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authorWim Taymans <wim.taymans@collabora.co.uk>2009-01-08 14:57:55 +0100
committerWim Taymans <wim@wtay.(none)>2009-01-08 14:57:55 +0100
commit3f7bd9202269e6ae18f5f22b69175a1fce2f5bac (patch)
treea0e087f0dadedda4d13f9e50703b376fdeb8ea3e
parent7bab61a10b13293725fbc28f28de6d07f2edbea0 (diff)
Add python bindings.
-rw-r--r--.gitignore3
-rw-r--r--Makefile.am1
-rw-r--r--acinclude.m466
-rw-r--r--bindings/python/Makefile.am45
-rw-r--r--bindings/python/arg-types.py376
-rw-r--r--bindings/python/codegen/Makefile.am15
-rw-r--r--bindings/python/codegen/__init__.py15
-rw-r--r--bindings/python/codegen/argtypes.py1075
-rwxr-xr-xbindings/python/codegen/code-coverage.py42
-rw-r--r--bindings/python/codegen/codegen.py1572
-rw-r--r--bindings/python/codegen/definitions.py607
-rw-r--r--bindings/python/codegen/defsparser.py143
-rw-r--r--bindings/python/codegen/docextract.py185
-rw-r--r--bindings/python/codegen/docgen.py752
-rw-r--r--bindings/python/codegen/fileprefix.override12
-rw-r--r--bindings/python/codegen/fileprefixmodule.c31
-rwxr-xr-xbindings/python/codegen/h2def.py536
-rwxr-xr-xbindings/python/codegen/mergedefs.py26
-rwxr-xr-xbindings/python/codegen/mkskel.py89
-rw-r--r--bindings/python/codegen/override.py288
-rw-r--r--bindings/python/codegen/reversewrapper.py771
-rw-r--r--bindings/python/codegen/scmexpr.py144
-rw-r--r--bindings/python/rtspserver-types.defs6
-rw-r--r--bindings/python/rtspserver.defs16
-rw-r--r--bindings/python/rtspserver.override52
-rw-r--r--bindings/python/rtspservermodule.c31
-rw-r--r--configure.ac10
27 files changed, 6908 insertions, 1 deletions
diff --git a/.gitignore b/.gitignore
index 03cd96b..cb3b21f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
*.[oa]
+*.pyc
*.gcda
*.gcno
*.la
@@ -28,3 +29,5 @@ libtool
ltmain.sh
missing
stamp-h1
+bindings/python/rtspserver.c
+tags
diff --git a/Makefile.am b/Makefile.am
index 28d2299..6936b37 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -2,6 +2,7 @@ DISTCHECK_CONFIGURE_FLAGS=--enable-gtk-doc
SUBDIRS = \
gst \
+ bindings \
m4 \
common \
pkgconfig \
diff --git a/acinclude.m4 b/acinclude.m4
new file mode 100644
index 0000000..04a283b
--- /dev/null
+++ b/acinclude.m4
@@ -0,0 +1,66 @@
+## this one is commonly used with AM_PATH_PYTHONDIR ...
+dnl AM_CHECK_PYMOD(MODNAME [,SYMBOL [,ACTION-IF-FOUND [,ACTION-IF-NOT-FOUND]]])
+dnl Check if a module containing a given symbol is visible to python.
+AC_DEFUN([AM_CHECK_PYMOD],
+[AC_REQUIRE([AM_PATH_PYTHON])
+py_mod_var=`echo $1['_']$2 | sed 'y%./+-%__p_%'`
+AC_MSG_CHECKING(for ifelse([$2],[],,[$2 in ])python module $1)
+AC_CACHE_VAL(py_cv_mod_$py_mod_var, [
+ifelse([$2],[], [prog="
+import sys
+try:
+ import $1
+except ImportError:
+ sys.exit(1)
+except:
+ sys.exit(0)
+sys.exit(0)"], [prog="
+import $1
+$1.$2"])
+if $PYTHON -c "$prog" 1>&AC_FD_CC 2>&AC_FD_CC
+ then
+ eval "py_cv_mod_$py_mod_var=yes"
+ else
+ eval "py_cv_mod_$py_mod_var=no"
+ fi
+])
+py_val=`eval "echo \`echo '$py_cv_mod_'$py_mod_var\`"`
+if test "x$py_val" != xno; then
+ AC_MSG_RESULT(yes)
+ ifelse([$3], [],, [$3
+])dnl
+else
+ AC_MSG_RESULT(no)
+ ifelse([$4], [],, [$4
+])dnl
+fi
+])
+
+dnl a macro to check for ability to create python extensions
+dnl AM_CHECK_PYTHON_HEADERS([ACTION-IF-POSSIBLE], [ACTION-IF-NOT-POSSIBLE])
+dnl function also defines PYTHON_INCLUDES
+AC_DEFUN([AM_CHECK_PYTHON_HEADERS],
+[AC_REQUIRE([AM_PATH_PYTHON])
+AC_MSG_CHECKING(for headers required to compile python extensions)
+dnl deduce PYTHON_INCLUDES
+py_prefix=`$PYTHON -c "import sys; print sys.prefix"`
+py_exec_prefix=`$PYTHON -c "import sys; print sys.exec_prefix"`
+if $PYTHON-config --help 2>/dev/null; then
+ PYTHON_INCLUDES=`$PYTHON-config --includes 2>/dev/null`
+else
+ PYTHON_INCLUDES="-I${py_prefix}/include/python${PYTHON_VERSION}"
+ if test "$py_prefix" != "$py_exec_prefix"; then
+ PYTHON_INCLUDES="$PYTHON_INCLUDES -I${py_exec_prefix}/include/python${PYTHON_VERSION}"
+ fi
+fi
+AC_SUBST(PYTHON_INCLUDES)
+dnl check if the headers exist:
+save_CPPFLAGS="$CPPFLAGS"
+CPPFLAGS="$CPPFLAGS $PYTHON_INCLUDES"
+AC_TRY_CPP([#include <Python.h>],dnl
+[AC_MSG_RESULT(found)
+$1],dnl
+[AC_MSG_RESULT(not found)
+$2])
+CPPFLAGS="$save_CPPFLAGS"
+])
diff --git a/bindings/python/Makefile.am b/bindings/python/Makefile.am
new file mode 100644
index 0000000..76dcf7a
--- /dev/null
+++ b/bindings/python/Makefile.am
@@ -0,0 +1,45 @@
+SUBDIRS = codegen
+pkgpyexecdir = $(pyexecdir)/gst-$(GST_MAJORMINOR)/gst
+
+# we install everything in pyexecdir; otherwise you end up with a mess for
+# multilib
+pygstrtspserverdir = $(pkgpyexecdir)
+pygstrtspserver_PYTHON =
+
+pygstrtspserverexecdir = $(pkgpyexecdir)
+pygstrtspserverexec_LTLIBRARIES = rtspserver.la
+
+DEFS = rtspserver-types.defs rtspserver.defs
+defs_DATA = $(DEFS)
+defsdir = $(pkgdatadir)/$(GST_MAJORMINOR)/defs
+OVERRIDES = rtspserver.override
+
+INCLUDES = $(PYTHON_INCLUDES)
+
+rtspserver_la_CFLAGS = -I$(top_srcdir)/src \
+ $(PYGOBJECT_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS)
+rtspserver_la_LDFLAGS = -export-symbols-regex "^(initrtspserver|_PyGObject_API).*" \
+ -module -avoid-version $(GST_PLUGIN_LDFLAGS)
+rtspserver_la_LIBADD = $(top_builddir)/src/libgst-rtsp-server.a \
+ $(GST_PLUGINS_BASE_LIBS) $(GST_BASE_LIBS) \
+ -lgstrtp-@GST_MAJORMINOR@ -lgstrtsp-@GST_MAJORMINOR@ \
+ -lgstsdp-@GST_MAJORMINOR@ $(GST_LIBS) $(LIBM)
+rtspserver_la_SOURCES = rtspservermodule.c
+nodist_rtspserver_la_SOURCES = rtspserver.c
+
+EXTRA_DIST = $(defs_DATA) $(OVERRIDES) arg-types.py
+
+CLEANFILES = rtspserver.c
+
+rtspserver.c: $(DEFS) $(OVERRIDES) arg-types.py
+
+.defs.c:
+ ($(PYTHON) $(srcdir)/codegen/codegen.py \
+ --load-types $(srcdir)/arg-types.py \
+ --register $(srcdir)/rtspserver-types.defs \
+ --override $(srcdir)/$*.override \
+ --extendpath $(top_builddir)/gst/ \
+ --extendpath $(srcdir)/ \
+ --prefix pygst_rtsp_server $<) > gen-$*.c \
+ && cp gen-$*.c $*.c \
+ && rm -f gen-$*.c
diff --git a/bindings/python/arg-types.py b/bindings/python/arg-types.py
new file mode 100644
index 0000000..1963b99
--- /dev/null
+++ b/bindings/python/arg-types.py
@@ -0,0 +1,376 @@
+# -*- Mode: Python -*-
+# vi:si:et:sw=4:sts=4:ts=4
+#
+# gst-python
+# Copyright (C) 2002 David I. Lehn
+# 2004 Johan Dahlin
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Library General Public
+# License as published by the Free Software Foundation; either
+# version 2 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Library General Public License for more details.
+#
+# You should have received a copy of the GNU Library General Public
+# License along with this library; if not, write to the
+# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+#
+# Author: David I. Lehn <dlehn@users.sourceforge.net>
+
+from argtypes import UInt64Arg, Int64Arg, PointerArg, ArgMatcher, ArgType, matcher
+from reversewrapper import Parameter, ReturnType, GBoxedParam, GBoxedReturn, IntParam, IntReturn
+
+class XmlNodeArg(ArgType):
+ """libxml2 node generator"""
+
+ names = {"xobj":"xmlNode",
+ "xptr":"xmlNodePtr",
+ "xwrap":"libxml_xmlNodePtrWrap"}
+
+ parm = (' if(xml == NULL) return NULL;\n'
+ ' xobj = PyObject_GetAttrString(xml, "%(xobj)s");\n'
+ ' if(!PyObject_IsInstance(py%(name)s, xobj)) {\n'
+ ' PyErr_Clear();\n'
+ ' PyErr_SetString(PyExc_RuntimeError,"%(name)s is not a %(xobj)s instance");\n'
+ ' Py_DECREF(xobj);Py_DECREF(xml);\n'
+ ' return NULL;\n'
+ ' }\n'
+ ' o = PyObject_GetAttrString(py%(name)s, "_o");\n'
+ ' %(name)s = PyCObject_AsVoidPtr(o);\n')
+ parmp = (' Py_DECREF(o); Py_DECREF(xobj);Py_DECREF(xml);\n')
+
+ ret = (' if(xml == NULL) return NULL;\n')
+ retp = (' xargs = PyTuple_New(1);\n'
+ ' xobj = PyObject_GetAttrString(xml, "%(xobj)s");\n'
+ ' o = %(xwrap)s(ret);\n'
+ ' PyTuple_SetItem(xargs, 0, o);\n'
+ ' return PyInstance_New(xobj, xargs, PyDict_New());\n')
+
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ info.varlist.add('PyObject', '*xml = _gst_get_libxml2_module()')
+ info.varlist.add('PyObject', '*o')
+ info.varlist.add('PyObject', '*xobj')
+ info.varlist.add('PyObject', '*py' + pname)
+ info.varlist.add(self.names["xptr"], pname)
+ #if pnull:
+ info.add_parselist('O', ['&py'+pname], [pname])
+ info.arglist.append(pname)
+ self.names["name"] = pname
+ info.codebefore.append(self.parm % self.names)
+ info.codeafter.append(self.parmp % self.names);
+ def write_return(self, ptype, ownsreturn, info):
+ info.varlist.add('PyObject', '*xml = _gst_get_libxml2_module()')
+ info.varlist.add('PyObject', '*xargs')
+ info.varlist.add('PyObject', '*xobj')
+ info.varlist.add('PyObject', '*o')
+ info.varlist.add(self.names["xptr"], 'ret')
+ info.codebefore.append(self.ret % self.names)
+ info.codeafter.append(self.retp % self.names)
+
+class XmlDocArg(XmlNodeArg):
+ """libxml2 doc generator"""
+ names = {"xobj":"xmlDoc",
+ "xptr":"xmlDocPtr",
+ "xwrap":"libxml_xmlDocPtrWrap"}
+
+class GstCapsArg(ArgType):
+ """GstCaps node generator"""
+
+ before = (' %(name)s = pygst_caps_from_pyobject (py_%(name)s, %(namecopy)s);\n'
+ ' if (PyErr_Occurred())\n'
+ ' return NULL;\n')
+ beforenull = (' if (py_%(name)s == Py_None || py_%(name)s == NULL)\n'
+ ' %(name)s = NULL;\n'
+ ' else\n'
+ ' ' + before)
+ after = (' if (%(name)s && %(name)s_is_copy)\n'
+ ' gst_caps_unref (%(name)s);\n')
+
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ if ptype == 'const-GstCaps*':
+ self.write_const_param(pname, pdflt, pnull, info)
+ elif ptype == 'GstCaps*':
+ self.write_normal_param(pname, pdflt, pnull, info)
+ else:
+ raise RuntimeError, "write_param not implemented for %s" % ptype
+
+ def write_const_param(self, pname, pdflt, pnull, info):
+ if pdflt:
+ assert pdflt == 'NULL'
+ info.varlist.add('PyObject', '*py_' + pname + ' = NULL')
+ else:
+ info.varlist.add('PyObject', '*py_' + pname)
+ info.varlist.add('GstCaps', '*'+pname)
+ info.varlist.add('gboolean', pname+'_is_copy')
+ info.add_parselist('O', ['&py_'+pname], [pname])
+ info.arglist.append(pname)
+ if pnull:
+ info.codebefore.append (self.beforenull % { 'name' : pname, 'namecopy' : '&'+pname+'_is_copy' })
+ else:
+ info.codebefore.append (self.before % { 'name' : pname, 'namecopy' : '&'+pname+'_is_copy' })
+ info.codeafter.append (self.after % { 'name' : pname, 'namecopy' : '&'+pname+'_is_copy' })
+
+ def write_normal_param(self, pname, pdflt, pnull, info):
+ if pdflt:
+ assert pdflt == 'NULL'
+ info.varlist.add('PyObject', '*py_' + pname + ' = NULL')
+ else:
+ info.varlist.add('PyObject', '*py_' + pname)
+ info.varlist.add('GstCaps', '*'+pname)
+ info.add_parselist('O', ['&py_'+pname], [pname])
+ info.arglist.append(pname)
+ if pnull:
+ info.codebefore.append (self.beforenull % { 'name' : pname, 'namecopy' : 'NULL' })
+ else:
+ info.codebefore.append (self.before % { 'name' : pname, 'namecopy' : 'NULL' })
+
+ def write_return(self, ptype, ownsreturn, info):
+ if ptype == 'GstCaps*':
+ info.varlist.add('GstCaps', '*ret')
+ copyval = 'FALSE'
+ elif ptype == 'const-GstCaps*':
+ info.varlist.add('const GstCaps', '*ret')
+ copyval = 'TRUE'
+ else:
+ raise RuntimeError, "write_return not implemented for %s" % ptype
+ info.codeafter.append(' return pyg_boxed_new (GST_TYPE_CAPS, ret, '+copyval+', TRUE);')
+
+class GstIteratorArg(ArgType):
+ def write_return(self, ptype, ownsreturn, info):
+ info.varlist.add('GstIterator', '*ret')
+ info.codeafter.append(' return pygst_iterator_new(ret);')
+
+class GstMiniObjectParam(Parameter):
+
+ def get_c_type(self):
+ return self.props.get('c_type', 'GstMiniObject *')
+
+ def convert_c2py(self):
+ self.wrapper.add_declaration("PyObject *py_%s = NULL;" % self.name)
+ self.wrapper.write_code(code=("if (%s) {\n"
+ " py_%s = pygstminiobject_new((GstMiniObject *) %s);\n"
+ " gst_mini_object_unref ((GstMiniObject *) %s);\n"
+ "} else {\n"
+ " Py_INCREF(Py_None);\n"
+ " py_%s = Py_None;\n"
+ "}"
+ % (self.name, self.name, self.name, self.name, self.name)),
+ cleanup=("gst_mini_object_ref ((GstMiniObject *) %s);\nPy_DECREF(py_%s);" % (self.name, self.name)))
+ self.wrapper.add_pyargv_item("py_%s" % self.name)
+
+matcher.register_reverse('GstMiniObject*', GstMiniObjectParam)
+
+class GstMiniObjectReturn(ReturnType):
+
+ def get_c_type(self):
+ return self.props.get('c_type', 'GstMiniObject *')
+
+ def write_decl(self):
+ self.wrapper.add_declaration("%s retval;" % self.get_c_type())
+
+ def write_error_return(self):
+ self.wrapper.write_code("return NULL;")
+
+ def write_conversion(self):
+ self.wrapper.write_code("retval = (%s) pygstminiobject_get(py_retval);"
+ % self.get_c_type())
+ self.wrapper.write_code("gst_mini_object_ref((GstMiniObject *) retval);")
+
+matcher.register_reverse_ret('GstMiniObject*', GstMiniObjectReturn)
+
+class GstCapsParam(Parameter):
+
+ def get_c_type(self):
+ return self.props.get('c_type', 'GstCaps *')
+
+ def convert_c2py(self):
+ self.wrapper.add_declaration("PyObject *py_%s = NULL;" % self.name)
+ self.wrapper.write_code(code=("if (%s)\n"
+ " py_%s = pyg_boxed_new (GST_TYPE_CAPS, %s, FALSE, TRUE);\n"
+ "else {\n"
+ " Py_INCREF(Py_None);\n"
+ " py_%s = Py_None;\n"
+ "}"
+ % (self.name, self.name, self.name, self.name)),
+ cleanup=("gst_caps_ref(%s);\nPy_DECREF(py_%s);" % (self.name, self.name)))
+ self.wrapper.add_pyargv_item("py_%s" % self.name)
+
+matcher.register_reverse('GstCaps*', GstCapsParam)
+
+class GstCapsReturn(ReturnType):
+
+ def get_c_type(self):
+ return self.props.get('c_type', 'GstCaps *')
+
+ def write_decl(self):
+ self.wrapper.add_declaration("%s retval;" % self.get_c_type())
+
+ def write_error_return(self):
+ self.wrapper.write_code("return NULL;")
+
+ def write_conversion(self):
+ self.wrapper.write_code("retval = (%s) pygst_caps_from_pyobject (py_retval, NULL);"
+ % self.get_c_type())
+## self.wrapper.write_code("gst_mini_object_ref((GstMiniObject *) retval);")
+
+matcher.register_reverse_ret('GstCaps*', GstCapsReturn)
+
+
+class Int64Param(Parameter):
+
+ def get_c_type(self):
+ return self.props.get('c_type', 'gint64')
+
+ def convert_c2py(self):
+ self.wrapper.add_declaration("PyObject *py_%s;" % self.name)
+ self.wrapper.write_code(code=("py_%s = PyLong_FromLongLong(%s);" %
+ (self.name, self.name)),
+ cleanup=("Py_DECREF(py_%s);" % self.name))
+ self.wrapper.add_pyargv_item("py_%s" % self.name)
+
+class Int64Return(ReturnType):
+ def get_c_type(self):
+ return self.props.get('c_type', 'gint64')
+ def write_decl(self):
+ self.wrapper.add_declaration("%s retval;" % self.get_c_type())
+ def write_error_return(self):
+ self.wrapper.write_code("return -G_MAXINT;")
+ def write_conversion(self):
+ self.wrapper.write_code(
+ code=None,
+ failure_expression="!PyLong_Check(py_retval)",
+ failure_cleanup='PyErr_SetString(PyExc_TypeError, "retval should be an long");')
+ self.wrapper.write_code("retval = PyLong_AsLongLong(py_retval);")
+
+class UInt64Param(Parameter):
+
+ def get_c_type(self):
+ return self.props.get('c_type', 'guint64')
+
+ def convert_c2py(self):
+ self.wrapper.add_declaration("PyObject *py_%s;" % self.name)
+ self.wrapper.write_code(code=("py_%s = PyLong_FromUnsignedLongLong(%s);" %
+ (self.name, self.name)),
+ cleanup=("Py_DECREF(py_%s);" % self.name))
+ self.wrapper.add_pyargv_item("py_%s" % self.name)
+
+class UInt64Return(ReturnType):
+ def get_c_type(self):
+ return self.props.get('c_type', 'guint64')
+ def write_decl(self):
+ self.wrapper.add_declaration("%s retval;" % self.get_c_type())
+ def write_error_return(self):
+ self.wrapper.write_code("return -G_MAXINT;")
+ def write_conversion(self):
+ self.wrapper.write_code(
+ code=None,
+ failure_expression="!PyLong_Check(py_retval)",
+ failure_cleanup='PyErr_SetString(PyExc_TypeError, "retval should be an long");')
+ self.wrapper.write_code("retval = PyLong_AsUnsignedLongLongMask(py_retval);")
+
+class ULongParam(Parameter):
+
+ def get_c_type(self):
+ return self.props.get('c_type', 'gulong')
+
+ def convert_c2py(self):
+ self.wrapper.add_declaration("PyObject *py_%s;" % self.name)
+ self.wrapper.write_code(code=("py_%s = PyLong_FromUnsignedLong(%s);" %
+ (self.name, self.name)),
+ cleanup=("Py_DECREF(py_%s);" % self.name))
+ self.wrapper.add_pyargv_item("py_%s" % self.name)
+
+class ULongReturn(ReturnType):
+ def get_c_type(self):
+ return self.props.get('c_type', 'gulong')
+ def write_decl(self):
+ self.wrapper.add_declaration("%s retval;" % self.get_c_type())
+ def write_error_return(self):
+ self.wrapper.write_code("return -G_MAXINT;")
+ def write_conversion(self):
+ self.wrapper.write_code(
+ code=None,
+ failure_expression="!PyLong_Check(py_retval)",
+ failure_cleanup='PyErr_SetString(PyExc_TypeError, "retval should be an long");')
+ self.wrapper.write_code("retval = PyLong_AsUnsignedLongMask(py_retval);")
+
+class ConstStringReturn(ReturnType):
+
+ def get_c_type(self):
+ return "const gchar *"
+
+ def write_decl(self):
+ self.wrapper.add_declaration("const gchar *retval;")
+
+ def write_error_return(self):
+ self.wrapper.write_code("return NULL;")
+
+ def write_conversion(self):
+ self.wrapper.write_code(
+ code=None,
+ failure_expression="!PyString_Check(py_retval)",
+ failure_cleanup='PyErr_SetString(PyExc_TypeError, "retval should be a string");')
+ self.wrapper.write_code("retval = g_strdup(PyString_AsString(py_retval));")
+
+class StringArrayArg(ArgType):
+ """Arg type for NULL-terminated string pointer arrays (GStrv, aka gchar**)."""
+ def write_return(self, ptype, ownsreturn, info):
+ if ownsreturn:
+ raise NotImplementedError ()
+ else:
+ info.varlist.add("gchar", "**ret")
+ info.codeafter.append(" if (ret) {\n"
+ " guint size = g_strv_length(ret);\n"
+ " PyObject *py_ret = PyTuple_New(size);\n"
+ " gint i;\n"
+ " for (i = 0; i < size; i++)\n"
+ " PyTuple_SetItem(py_ret, i,\n"
+ " PyString_FromString(ret[i]));\n"
+ " return py_ret;\n"
+ " }\n"
+ " return PyTuple_New (0);\n")
+
+matcher.register('GstClockTime', UInt64Arg())
+matcher.register('GstClockTimeDiff', Int64Arg())
+matcher.register('xmlNodePtr', XmlNodeArg())
+matcher.register('xmlDocPtr', XmlDocArg())
+matcher.register('GstCaps', GstCapsArg()) #FIXME: does this work?
+matcher.register('GstCaps*', GstCapsArg()) #FIXME: does this work?
+matcher.register('const-GstCaps*', GstCapsArg())
+matcher.register('GstIterator*', GstIteratorArg())
+
+arg = PointerArg('gpointer', 'G_TYPE_POINTER')
+matcher.register('GstClockID', arg)
+
+for typename in ["GstPlugin", "GstStructure", "GstTagList", "GError", "GstDate", "GstSegment"]:
+ matcher.register_reverse(typename, GBoxedParam)
+ matcher.register_reverse_ret(typename, GBoxedReturn)
+
+for typename in ["GstBuffer*", "GstEvent*", "GstMessage*", "GstQuery*"]:
+ matcher.register_reverse(typename, GstMiniObjectParam)
+ matcher.register_reverse_ret(typename, GstMiniObjectReturn)
+
+for typename in ["gint64", "GstClockTimeDiff"]:
+ matcher.register_reverse(typename, Int64Param)
+ matcher.register_reverse_ret(typename, Int64Return)
+
+for typename in ["guint64", "GstClockTime"]:
+ matcher.register_reverse(typename, UInt64Param)
+ matcher.register_reverse_ret(typename, UInt64Return)
+
+matcher.register_reverse_ret("const-gchar*", ConstStringReturn)
+
+matcher.register_reverse("GType", IntParam)
+matcher.register_reverse_ret("GType", IntReturn)
+
+matcher.register_reverse("gulong", ULongParam)
+matcher.register_reverse_ret("gulong", ULongReturn)
+
+matcher.register("GStrv", StringArrayArg())
+
+del arg
diff --git a/bindings/python/codegen/Makefile.am b/bindings/python/codegen/Makefile.am
new file mode 100644
index 0000000..dd3eea0
--- /dev/null
+++ b/bindings/python/codegen/Makefile.am
@@ -0,0 +1,15 @@
+EXTRA_DIST = \
+ argtypes.py \
+ code-coverage.py \
+ codegen.py \
+ definitions.py \
+ defsparser.py \
+ docextract.py \
+ docgen.py \
+ h2def.py \
+ __init__.py \
+ mergedefs.py \
+ mkskel.py \
+ override.py \
+ reversewrapper.py \
+ scmexpr.py
diff --git a/bindings/python/codegen/__init__.py b/bindings/python/codegen/__init__.py
new file mode 100644
index 0000000..cfa896e
--- /dev/null
+++ b/bindings/python/codegen/__init__.py
@@ -0,0 +1,15 @@
+# -*- Mode: Python; py-indent-offset: 4 -*-
+
+__all__ = [
+ 'argtypes',
+ 'codegen',
+ 'definitions',
+ 'defsparser',
+ 'docextract',
+ 'docgen',
+ 'h2def',
+ 'mergedefs',
+ 'mkskel',
+ 'override',
+ 'scmexpr'
+]
diff --git a/bindings/python/codegen/argtypes.py b/bindings/python/codegen/argtypes.py
new file mode 100644
index 0000000..948bae1
--- /dev/null
+++ b/bindings/python/codegen/argtypes.py
@@ -0,0 +1,1075 @@
+# -*- Mode: Python; py-indent-offset: 4 -*-
+import string
+import keyword
+import struct
+
+class VarList:
+ """Nicely format a C variable list"""
+ def __init__(self):
+ self.vars = {}
+ def add(self, ctype, name):
+ if self.vars.has_key(ctype):
+ self.vars[ctype] = self.vars[ctype] + (name,)
+ else:
+ self.vars[ctype] = (name,)
+ def __str__(self):
+ ret = []
+ for type in self.vars.keys():
+ ret.append(' ')
+ ret.append(type)
+ ret.append(' ')
+ ret.append(string.join(self.vars[type], ', '))
+ ret.append(';\n')
+ if ret:
+ ret.append('\n')
+ return string.join(ret, '')
+ return ''
+
+class WrapperInfo:
+ """A class that holds information about variable defs, code
+ snippets, etcd for use in writing out the function/method
+ wrapper."""
+ def __init__(self):
+ self.varlist = VarList()
+ self.parsestr = ''
+ self.parselist = ['', 'kwlist']
+ self.codebefore = []
+ self.codeafter = []
+ self.arglist = []
+ self.kwlist = []
+ def get_parselist(self):
+ return string.join(self.parselist, ', ')
+ def get_codebefore(self):
+ return string.join(self.codebefore, '')
+ def get_codeafter(self):
+ return string.join(self.codeafter, '')
+ def get_arglist(self):
+ return string.join(self.arglist, ', ')
+ def get_varlist(self):
+ return str(self.varlist)
+ def get_kwlist(self):
+ ret = ' static char *kwlist[] = { %s };\n' % \
+ string.join(self.kwlist + [ 'NULL' ], ', ')
+ if not self.get_varlist():
+ ret = ret + '\n'
+ return ret
+
+ def add_parselist(self, codes, parseargs, keywords):
+ self.parsestr = self.parsestr + codes
+ for arg in parseargs:
+ self.parselist.append(arg)
+ for kw in keywords:
+ if keyword.iskeyword(kw):
+ kw = kw + '_'
+ self.kwlist.append('"%s"' % kw)
+
+class ArgType:
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ """Add code to the WrapperInfo instance to handle
+ parameter."""
+ raise RuntimeError, "write_param not implemented for %s" % \
+ self.__class__.__name__
+ def write_return(self, ptype, ownsreturn, info):
+ """Adds a variable named ret of the return type to
+ info.varlist, and add any required code to info.codeafter to
+ convert the return value to a python object."""
+ raise RuntimeError, "write_return not implemented for %s" % \
+ self.__class__.__name__
+
+class NoneArg(ArgType):
+ def write_return(self, ptype, ownsreturn, info):
+ info.codeafter.append(' Py_INCREF(Py_None);\n' +
+ ' return Py_None;')
+
+class StringArg(ArgType):
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ if pdflt:
+ if pdflt != 'NULL': pdflt = '"' + pdflt + '"'
+ info.varlist.add('char', '*' + pname + ' = ' + pdflt)
+ else:
+ info.varlist.add('char', '*' + pname)
+ info.arglist.append(pname)
+ if pnull:
+ info.add_parselist('z', ['&' + pname], [pname])
+ else:
+ info.add_parselist('s', ['&' + pname], [pname])
+ def write_return(self, ptype, ownsreturn, info):
+ if ownsreturn:
+ # have to free result ...
+ info.varlist.add('gchar', '*ret')
+ info.codeafter.append(' if (ret) {\n' +
+ ' PyObject *py_ret = PyString_FromString(ret);\n' +
+ ' g_free(ret);\n' +
+ ' return py_ret;\n' +
+ ' }\n' +
+ ' Py_INCREF(Py_None);\n' +
+ ' return Py_None;')
+ else:
+ info.varlist.add('const gchar', '*ret')
+ info.codeafter.append(' if (ret)\n' +
+ ' return PyString_FromString(ret);\n'+
+ ' Py_INCREF(Py_None);\n' +
+ ' return Py_None;')
+
+class UCharArg(ArgType):
+ # allows strings with embedded NULLs.
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ if pdflt:
+ info.varlist.add('guchar', '*' + pname + ' = "' + pdflt + '"')
+ else:
+ info.varlist.add('guchar', '*' + pname)
+ info.varlist.add('int', pname + '_len')
+ info.arglist.append(pname)
+ if pnull:
+ info.add_parselist('z#', ['&' + pname, '&' + pname + '_len'],
+ [pname])
+ else:
+ info.add_parselist('s#', ['&' + pname, '&' + pname + '_len'],
+ [pname])
+
+class CharArg(ArgType):
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ if pdflt:
+ info.varlist.add('char', pname + " = '" + pdflt + "'")
+ else:
+ info.varlist.add('char', pname)
+ info.arglist.append(pname)
+ info.add_parselist('c', ['&' + pname], [pname])
+ def write_return(self, ptype, ownsreturn, info):
+ info.varlist.add('gchar', 'ret')
+ info.codeafter.append(' return PyString_FromStringAndSize(&ret, 1);')
+class GUniCharArg(ArgType):
+ ret_tmpl = ('#if !defined(Py_UNICODE_SIZE) || Py_UNICODE_SIZE == 2\n'
+ ' if (ret > 0xffff) {\n'
+ ' PyErr_SetString(PyExc_RuntimeError, "returned character can not be represented in 16-bit unicode");\n'
+ ' return NULL;\n'
+ ' }\n'
+ '#endif\n'
+ ' py_ret = (Py_UNICODE)ret;\n'
+ ' return PyUnicode_FromUnicode(&py_ret, 1);\n')
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ if pdflt:
+ info.varlist.add('gunichar', pname + " = '" + pdflt + "'")
+ else:
+ info.varlist.add('gunichar', pname)
+ info.arglist.append(pname)
+ info.add_parselist('O&', ['pyg_pyobj_to_unichar_conv', '&' + pname], [pname])
+ def write_return(self, ptype, ownsreturn, info):
+ info.varlist.add('gunichar', 'ret')
+ info.varlist.add('Py_UNICODE', 'py_ret')
+ info.codeafter.append(self.ret_tmpl)
+
+
+class IntArg(ArgType):
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ if pdflt:
+ info.varlist.add('int', pname + ' = ' + pdflt)
+ else:
+ info.varlist.add('int', pname)
+ info.arglist.append(pname)
+ info.add_parselist('i', ['&' + pname], [pname])
+ def write_return(self, ptype, ownsreturn, info):
+ info.varlist.add('int', 'ret')
+ info.codeafter.append(' return PyInt_FromLong(ret);')
+
+class UIntArg(ArgType):
+ dflt = (' if (py_%(name)s) {\n'
+ ' if (PyLong_Check(py_%(name)s))\n'
+ ' %(name)s = PyLong_AsUnsignedLong(py_%(name)s);\n'
+ ' else if (PyInt_Check(py_%(name)s))\n'
+ ' %(name)s = PyInt_AsLong(py_%(name)s);\n'
+ ' else\n'
+ ' PyErr_SetString(PyExc_TypeError, "Parameter \'%(name)s\' must be an int or a long");\n'
+ ' if (PyErr_Occurred())\n'
+ ' return NULL;\n'
+ ' }\n')
+ before = (' if (PyLong_Check(py_%(name)s))\n'
+ ' %(name)s = PyLong_AsUnsignedLong(py_%(name)s);\n'
+ ' else if (PyInt_Check(py_%(name)s))\n'
+ ' %(name)s = PyInt_AsLong(py_%(name)s);\n'
+ ' else\n'
+ ' PyErr_SetString(PyExc_TypeError, "Parameter \'%(name)s\' must be an int or a long");\n'
+ ' if (PyErr_Occurred())\n'
+ ' return NULL;\n')
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ if not pdflt:
+ pdflt = '0';
+
+ info.varlist.add(ptype, pname + ' = ' + pdflt)
+ info.codebefore.append(self.dflt % {'name':pname})
+ info.varlist.add('PyObject', "*py_" + pname + ' = NULL')
+ info.arglist.append(pname)
+ info.add_parselist('O', ['&py_' + pname], [pname])
+ def write_return(self, ptype, ownsreturn, info):
+ info.varlist.add(ptype, 'ret')
+ info.codeafter.append(' return PyLong_FromUnsignedLong(ret);')
+
+class SizeArg(ArgType):
+
+ if struct.calcsize('P') <= struct.calcsize('l'):
+ llp64 = True
+ else:
+ llp64 = False
+
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ if pdflt:
+ info.varlist.add(ptype, pname + ' = ' + pdflt)
+ else:
+ info.varlist.add(ptype, pname)
+ info.arglist.append(pname)
+ if self.llp64:
+ info.add_parselist('k', ['&' + pname], [pname])
+ else:
+ info.add_parselist('K', ['&' + pname], [pname])
+ def write_return(self, ptype, ownsreturn, info):
+ info.varlist.add(ptype, 'ret')
+ if self.llp64:
+ info.codeafter.append(' return PyLong_FromUnsignedLongLong(ret);\n')
+ else:
+ info.codeafter.append(' return PyLong_FromUnsignedLong(ret);\n')
+
+class SSizeArg(ArgType):
+
+ if struct.calcsize('P') <= struct.calcsize('l'):
+ llp64 = True
+ else:
+ llp64 = False
+
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ if pdflt:
+ info.varlist.add(ptype, pname + ' = ' + pdflt)
+ else:
+ info.varlist.add(ptype, pname)
+ info.arglist.append(pname)
+ if self.llp64:
+ info.add_parselist('l', ['&' + pname], [pname])
+ else:
+ info.add_parselist('L', ['&' + pname], [pname])
+ def write_return(self, ptype, ownsreturn, info):
+ info.varlist.add(ptype, 'ret')
+ if self.llp64:
+ info.codeafter.append(' return PyLong_FromLongLong(ret);\n')
+ else:
+ info.codeafter.append(' return PyLong_FromLong(ret);\n')
+
+class LongArg(ArgType):
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ if pdflt:
+ info.varlist.add(ptype, pname + ' = ' + pdflt)
+ else:
+ info.varlist.add(ptype, pname)
+ info.arglist.append(pname)
+ info.add_parselist('l', ['&' + pname], [pname])
+ def write_return(self, ptype, ownsreturn, info):
+ info.varlist.add(ptype, 'ret')
+ info.codeafter.append(' return PyInt_FromLong(ret);\n')
+
+class BoolArg(IntArg):
+ def write_return(self, ptype, ownsreturn, info):
+ info.varlist.add('int', 'ret')
+ info.codeafter.append(' return PyBool_FromLong(ret);\n')
+
+class TimeTArg(ArgType):
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ if pdflt:
+ info.varlist.add('time_t', pname + ' = ' + pdflt)
+ else:
+ info.varlist.add('time_t', pname)
+ info.arglist.append(pname)
+ info.add_parselist('i', ['&' + pname], [pname])
+ def write_return(self, ptype, ownsreturn, info):
+ info.varlist.add('time_t', 'ret')
+ info.codeafter.append(' return PyInt_FromLong(ret);')
+
+class ULongArg(ArgType):
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ if pdflt:
+ info.varlist.add('unsigned long', pname + ' = ' + pdflt)
+ else:
+ info.varlist.add('unsigned long', pname)
+ info.arglist.append(pname)
+ info.add_parselist('k', ['&' + pname], [pname])
+ def write_return(self, ptype, ownsreturn, info):
+ info.varlist.add(ptype, 'ret')
+ info.codeafter.append(' return PyLong_FromUnsignedLong(ret);\n')
+
+class UInt32Arg(ULongArg):
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ ULongArg.write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info)
+ ## if sizeof(unsigned long) > sizeof(unsigned int), we need to
+ ## check the value is within guint32 range
+ if struct.calcsize('L') > struct.calcsize('I'):
+ info.codebefore.append((
+ ' if (%(pname)s > G_MAXUINT32) {\n'
+ ' PyErr_SetString(PyExc_ValueError,\n'
+ ' "Value out of range in conversion of"\n'
+ ' " %(pname)s parameter to unsigned 32 bit integer");\n'
+ ' return NULL;\n'
+ ' }\n') % vars())
+
+class Int64Arg(ArgType):
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ if pdflt:
+ info.varlist.add('gint64', pname + ' = ' + pdflt)
+ else:
+ info.varlist.add('gint64', pname)
+ info.arglist.append(pname)
+ info.add_parselist('L', ['&' + pname], [pname])
+ def write_return(self, ptype, ownsreturn, info):
+ info.varlist.add('gint64', 'ret')
+ info.codeafter.append(' return PyLong_FromLongLong(ret);')
+
+class UInt64Arg(ArgType):
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ if pdflt:
+ info.varlist.add('guint64', pname + ' = ' + pdflt)
+ else:
+ info.varlist.add('guint64', pname)
+ info.arglist.append(pname)
+ info.add_parselist('K', ['&' + pname], [pname])
+ def write_return(self, ptype, ownsreturn, info):
+ info.varlist.add('guint64', 'ret')
+ info.codeafter.append(' return PyLong_FromUnsignedLongLong(ret);')
+
+
+class DoubleArg(ArgType):
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ if pdflt:
+ info.varlist.add('double', pname + ' = ' + pdflt)
+ else:
+ info.varlist.add('double', pname)
+ info.arglist.append(pname)
+ info.add_parselist('d', ['&' + pname], [pname])
+ def write_return(self, ptype, ownsreturn, info):
+ info.varlist.add('double', 'ret')
+ info.codeafter.append(' return PyFloat_FromDouble(ret);')
+
+class FileArg(ArgType):
+ nulldflt = (' if (py_%(name)s == Py_None)\n'
+ ' %(name)s = NULL;\n'
+ ' else if (py_%(name)s && PyFile_Check(py_%(name)s)\n'
+ ' %s = PyFile_AsFile(py_%(name)s);\n'
+ ' else if (py_%(name)s) {\n'
+ ' PyErr_SetString(PyExc_TypeError, "%(name)s should be a file object or None");\n'
+ ' return NULL;\n'
+ ' }')
+ null = (' if (py_%(name)s && PyFile_Check(py_%(name)s)\n'
+ ' %(name)s = PyFile_AsFile(py_%(name)s);\n'
+ ' else if (py_%(name)s != Py_None) {\n'
+ ' PyErr_SetString(PyExc_TypeError, "%(name)s should be a file object or None");\n'
+ ' return NULL;\n'
+ ' }\n')
+ dflt = (' if (py_%(name)s)\n'
+ ' %(name)s = PyFile_AsFile(py_%(name)s);\n')
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ if pnull:
+ if pdflt:
+ info.varlist.add('FILE', '*' + pname + ' = ' + pdflt)
+ info.varlist.add('PyObject', '*py_' + pname + ' = NULL')
+ info.codebefore.append(self.nulldflt % {'name':pname})
+ else:
+ info.varlist.add('FILE', '*' + pname + ' = NULL')
+ info.varlist.add('PyObject', '*py_' + pname)
+ info.codebefore.append(self.null & {'name':pname})
+ info.arglist.appned(pname)
+ info.add_parselist('O', ['&py_' + pname], [pname])
+ else:
+ if pdflt:
+ info.varlist.add('FILE', '*' + pname + ' = ' + pdflt)
+ info.varlist.add('PyObject', '*py_' + pname + ' = NULL')
+ info.codebefore.append(self.dflt % {'name':pname})
+ info.arglist.append(pname)
+ else:
+ info.varlist.add('PyObject', '*' + pname)
+ info.arglist.append('PyFile_AsFile(' + pname + ')')
+ info.add_parselist('O!', ['&PyFile_Type', '&' + pname], [pname])
+ def write_return(self, ptype, ownsreturn, info):
+ info.varlist.add('FILE', '*ret')
+ info.codeafter.append(' if (ret)\n' +
+ ' return PyFile_FromFile(ret, "", "", fclose);\n' +
+ ' Py_INCREF(Py_None);\n' +
+ ' return Py_None;')
+
+class EnumArg(ArgType):
+ enum = (' if (pyg_enum_get_value(%(typecode)s, py_%(name)s, (gint *)&%(name)s))\n'
+ ' return NULL;\n')
+ def __init__(self, enumname, typecode):
+ self.enumname = enumname
+ self.typecode = typecode
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ if pdflt:
+ info.varlist.add(self.enumname, pname + ' = ' + pdflt)
+ else:
+ info.varlist.add(self.enumname, pname)
+ info.varlist.add('PyObject', '*py_' + pname + ' = NULL')
+ info.codebefore.append(self.enum % { 'typecode': self.typecode,
+ 'name': pname})
+ info.arglist.append(pname)
+ info.add_parselist('O', ['&py_' + pname], [pname]);
+ def write_return(self, ptype, ownsreturn, info):
+ info.varlist.add('gint', 'ret')
+ info.codeafter.append(' return pyg_enum_from_gtype(%s, ret);' % self.typecode)
+
+class FlagsArg(ArgType):
+ flag = (' if (%(default)spyg_flags_get_value(%(typecode)s, py_%(name)s, (gint *)&%(name)s))\n'
+ ' return NULL;\n')
+ def __init__(self, flagname, typecode):
+ self.flagname = flagname
+ self.typecode = typecode
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ if pdflt:
+ info.varlist.add(self.flagname, pname + ' = ' + pdflt)
+ default = "py_%s && " % (pname,)
+ else:
+ info.varlist.add(self.flagname, pname)
+ default = ""
+ info.varlist.add('PyObject', '*py_' + pname + ' = NULL')
+ info.codebefore.append(self.flag % {'default':default,
+ 'typecode':self.typecode,
+ 'name':pname})
+ info.arglist.append(pname)
+ info.add_parselist('O', ['&py_' + pname], [pname])
+ def write_return(self, ptype, ownsreturn, info):
+ info.varlist.add('guint', 'ret')
+ info.codeafter.append(' return pyg_flags_from_gtype(%s, ret);' % self.typecode)
+
+class ObjectArg(ArgType):
+ # should change these checks to more typesafe versions that check
+ # a little further down in the class heirachy.
+ nulldflt = (' if ((PyObject *)py_%(name)s == Py_None)\n'
+ ' %(name)s = NULL;\n'
+ ' else if (py_%(name)s && pygobject_check(py_%(name)s, &Py%(type)s_Type))\n'
+ ' %(name)s = %(cast)s(py_%(name)s->obj);\n'
+ ' else if (py_%(name)s) {\n'
+ ' PyErr_SetString(PyExc_TypeError, "%(name)s should be a %(type)s or None");\n'
+ ' return NULL;\n'
+ ' }\n')
+ null = (' if (py_%(name)s && pygobject_check(py_%(name)s, &Py%(type)s_Type))\n'
+ ' %(name)s = %(cast)s(py_%(name)s->obj);\n'
+ ' else if ((PyObject *)py_%(name)s != Py_None) {\n'
+ ' PyErr_SetString(PyExc_TypeError, "%(name)s should be a %(type)s or None");\n'
+ ' return NULL;\n'
+ ' }\n')
+ dflt = ' if (py_%(name)s)\n' \
+ ' %(name)s = %(cast)s(py_%(name)s->obj);\n'
+ def __init__(self, objname, parent, typecode):
+ self.objname = objname
+ self.cast = string.replace(typecode, '_TYPE_', '_', 1)
+ self.parent = parent
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ if pnull:
+ if pdflt:
+ info.varlist.add(self.objname, '*' + pname + ' = ' + pdflt)
+ info.varlist.add('PyGObject', '*py_' + pname + ' = NULL')
+ info.codebefore.append(self.nulldflt % {'name':pname,
+ 'cast':self.cast,
+ 'type':self.objname})
+ else:
+ info.varlist.add(self.objname, '*' + pname + ' = NULL')
+ info.varlist.add('PyGObject', '*py_' + pname)
+ info.codebefore.append(self.null % {'name':pname,
+ 'cast':self.cast,
+ 'type':self.objname})
+ if ptype.endswith('*'):
+ typename = ptype[:-1]
+ try:
+ const, typename = typename.split('const-')
+ except ValueError:
+ const = ''
+ if typename != ptype:
+ info.arglist.append('(%s *) %s' % (ptype[:-1], pname))
+ else:
+ info.arglist.append(pname)
+
+ info.add_parselist('O', ['&py_' + pname], [pname])
+ else:
+ if pdflt:
+ info.varlist.add(self.objname, '*' + pname + ' = ' + pdflt)
+ info.varlist.add('PyGObject', '*py_' + pname + ' = NULL')
+ info.codebefore.append(self.dflt % {'name':pname,
+ 'cast':self.cast})
+ info.arglist.append(pname)
+ info.add_parselist('O!', ['&Py%s_Type' % self.objname,
+ '&py_' + pname], [pname])
+ else:
+ info.varlist.add('PyGObject', '*' + pname)
+ info.arglist.append('%s(%s->obj)' % (self.cast, pname))
+ info.add_parselist('O!', ['&Py%s_Type' % self.objname,
+ '&' + pname], [pname])
+ def write_return(self, ptype, ownsreturn, info):
+ if ptype.endswith('*'):
+ typename = ptype[:-1]
+ try:
+ const, typename = typename.split('const-')
+ except ValueError:
+ const = ''
+ info.varlist.add(typename, '*ret')
+ if ownsreturn:
+ info.varlist.add('PyObject', '*py_ret')
+ # < GLib 2.8: using our custom _new and _unref functions
+ # makes sure we update the proper GstObject refcount
+ info.codeafter.append(' py_ret = pygobject_new((GObject *)ret);\n'
+ ' if (ret != NULL)\n'
+ ' g_object_unref((GObject *)ret);\n'
+ ' return py_ret;')
+ else:
+ info.codeafter.append(' /* pygobject_new handles NULL checking */\n' +
+ ' return pygobject_new((GObject *)ret);')
+
+class MiniObjectArg(ArgType):
+ # should change these checks to more typesafe versions that check
+ # a little further down in the class heirachy.
+ nulldflt = (' if ((PyObject *)py_%(name)s == Py_None)\n'
+ ' %(name)s = NULL;\n'
+ ' else if (py_%(name)s) && pygstminiobject_check(py_%(name)s, &Py%(type)s_Type))\n'
+ ' %(name)s = %(cast)s(py_%(name)s->obj);\n'
+ ' else if (py_%(name)s) {\n'
+ ' PyErr_SetString(PyExc_TypeError, "%(name)s should be a %(type)s or None");\n'
+ ' return NULL;\n'
+ ' }\n')
+ null = (' if (py_%(name)s && pygstminiobject_check(py_%(name)s, &Py%(type)s_Type))\n'
+ ' %(name)s = %(cast)s(py_%(name)s->obj);\n'
+ ' else if ((PyObject *)py_%(name)s != Py_None) {\n'
+ ' PyErr_SetString(PyExc_TypeError, "%(name)s should be a %(type)s or None");\n'
+ ' return NULL;\n'
+ ' }\n')
+ dflt = ' if (py_%(name)s)\n' \
+ ' %(name)s = %(cast)s(py_%(name)s->obj);\n'
+ def __init__(self, objname, parent, typecode):
+ self.objname = objname
+ self.cast = string.replace(typecode, '_TYPE_', '_', 1)
+ self.parent = parent
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ if pnull:
+ if pdflt:
+ info.varlist.add(self.objname, '*' + pname + ' = ' + pdflt)
+ info.varlist.add('PyGstMiniObject', '*py_' + pname + ' = NULL')
+ info.codebefore.append(self.nulldflt % {'name':pname,
+ 'cast':self.cast,
+ 'type':self.objname})
+ else:
+ info.varlist.add(self.objname, '*' + pname + ' = NULL')
+ info.varlist.add('PyGstMiniObject', '*py_' + pname)
+ info.codebefore.append(self.null % {'name':pname,
+ 'cast':self.cast,
+ 'type':self.objname})
+ if ptype.endswith('*'):
+ typename = ptype[:-1]
+ try:
+ const, typename = typename.split('const-')
+ except ValueError:
+ const = ''
+ if typename != ptype:
+ info.arglist.append('(%s *) %s' % (ptype[:-1], pname))
+ else:
+ info.arglist.append(pname)
+
+ info.add_parselist('O', ['&py_' + pname], [pname])
+ else:
+ if pdflt:
+ info.varlist.add(self.objname, '*' + pname + ' = ' + pdflt)
+ info.varlist.add('PyGstMiniObject', '*py_' + pname + ' = NULL')
+ info.codebefore.append(self.dflt % {'name':pname,
+ 'cast':self.cast})
+ info.arglist.append(pname)
+ info.add_parselist('O', ['&Py%s_Type' % self.objname,
+ '&py_' + pname], [pname])
+ else:
+ info.varlist.add('PyGstMiniObject', '*' + pname)
+ info.arglist.append('%s(%s->obj)' % (self.cast, pname))
+ info.add_parselist('O!', ['&Py%s_Type' % self.objname,
+ '&' + pname], [pname])
+ if keeprefcount:
+ info.codebefore.append(' gst_mini_object_ref(GST_MINI_OBJECT(%s->obj));\n' % pname)
+ def write_return(self, ptype, ownsreturn, info):
+ if ptype.endswith('*'):
+ typename = ptype[:-1]
+ try:
+ const, typename = typename.split('const-')
+ except ValueError:
+ const = ''
+ info.varlist.add(typename, '*ret')
+ if ownsreturn:
+ info.varlist.add('PyObject', '*py_ret')
+ info.codeafter.append(' py_ret = pygstminiobject_new((GstMiniObject *)ret);\n'
+ ' if (ret != NULL)\n'
+ ' gst_mini_object_unref((GstMiniObject *)ret);\n'
+ ' return py_ret;')
+ else:
+ info.codeafter.append(' /* pygobject_new handles NULL checking */\n' +
+ ' return pygstminiobject_new((GstMiniObject *)ret);')
+
+class BoxedArg(ArgType):
+ # haven't done support for default args. Is it needed?
+ check = (' if (pyg_boxed_check(py_%(name)s, %(typecode)s))\n'
+ ' %(name)s = pyg_boxed_get(py_%(name)s, %(typename)s);\n'
+ ' else {\n'
+ ' PyErr_SetString(PyExc_TypeError, "%(name)s should be a %(typename)s");\n'
+ ' return NULL;\n'
+ ' }\n')
+ null = (' if (pyg_boxed_check(py_%(name)s, %(typecode)s))\n'
+ ' %(name)s = pyg_boxed_get(py_%(name)s, %(typename)s);\n'
+ ' else if (py_%(name)s != Py_None) {\n'
+ ' PyErr_SetString(PyExc_TypeError, "%(name)s should be a %(typename)s or None");\n'
+ ' return NULL;\n'
+ ' }\n')
+ def __init__(self, ptype, typecode):
+ self.typename = ptype
+ self.typecode = typecode
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ if pnull:
+ info.varlist.add(self.typename, '*' + pname + ' = NULL')
+ info.varlist.add('PyObject', '*py_' + pname + ' = Py_None')
+ info.codebefore.append(self.null % {'name': pname,
+ 'typename': self.typename,
+ 'typecode': self.typecode})
+ else:
+ info.varlist.add(self.typename, '*' + pname + ' = NULL')
+ info.varlist.add('PyObject', '*py_' + pname)
+ info.codebefore.append(self.check % {'name': pname,
+ 'typename': self.typename,
+ 'typecode': self.typecode})
+ if ptype[-1] == '*':
+ typename = ptype[:-1]
+ if typename[:6] == 'const-': typename = typename[6:]
+ if typename != self.typename:
+ info.arglist.append('(%s *)%s' % (ptype[:-1], pname))
+ else:
+ info.arglist.append(pname)
+ else:
+ info.arglist.append(pname)
+ info.add_parselist('O', ['&py_' + pname], [pname])
+ ret_tmpl = ' /* pyg_boxed_new handles NULL checking */\n' \
+ ' return pyg_boxed_new(%(typecode)s, %(ret)s, %(copy)s, TRUE);'
+ def write_return(self, ptype, ownsreturn, info):
+ if ptype[-1] == '*':
+ info.varlist.add(self.typename, '*ret')
+ ret = 'ret'
+ else:
+ info.varlist.add(self.typename, 'ret')
+ ret = '&ret'
+ ownsreturn = 0 # of course it can't own a ref to a local var ...
+ info.codeafter.append(self.ret_tmpl %
+ { 'typecode': self.typecode,
+ 'ret': ret,
+ 'copy': ownsreturn and 'FALSE' or 'TRUE'})
+
+class CustomBoxedArg(ArgType):
+ # haven't done support for default args. Is it needed?
+ null = (' if (%(check)s(py_%(name)s))\n'
+ ' %(name)s = %(get)s(py_%(name)s);\n'
+ ' else if (py_%(name)s != Py_None) {\n'
+ ' PyErr_SetString(PyExc_TypeError, "%(name)s should be a %(type)s or None");\n'
+ ' return NULL;\n'
+ ' }\n')
+ def __init__(self, ptype, pytype, getter, new):
+ self.pytype = pytype
+ self.getter = getter
+ self.checker = 'Py' + ptype + '_Check'
+ self.new = new
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ if pnull:
+ info.varlist.add(ptype[:-1], '*' + pname + ' = NULL')
+ info.varlist.add('PyObject', '*py_' + pname + ' = Py_None')
+ info.codebefore.append(self.null % {'name': pname,
+ 'get': self.getter,
+ 'check': self.checker,
+ 'type': ptype[:-1]})
+ info.arglist.append(pname)
+ info.add_parselist('O', ['&py_' + pname], [pname])
+ else:
+ info.varlist.add('PyObject', '*' + pname)
+ info.arglist.append(self.getter + '(' + pname + ')')
+ info.add_parselist('O!', ['&' + self.pytype, '&' + pname], [pname])
+ def write_return(self, ptype, ownsreturn, info):
+ info.varlist.add(ptype[:-1], '*ret')
+ info.codeafter.append(' if (ret)\n' +
+ ' return ' + self.new + '(ret);\n' +
+ ' Py_INCREF(Py_None);\n' +
+ ' return Py_None;')
+
+class PointerArg(ArgType):
+ # haven't done support for default args. Is it needed?
+ check = (' if (pyg_pointer_check(py_%(name)s, %(typecode)s))\n'
+ ' %(name)s = pyg_pointer_get(py_%(name)s, %(typename)s);\n'
+ ' else {\n'
+ ' PyErr_SetString(PyExc_TypeError, "%(name)s should be a %(typename)s");\n'
+ ' return NULL;\n'
+ ' }\n')
+ null = (' if (pyg_pointer_check(py_%(name)s, %(typecode)s))\n'
+ ' %(name)s = pyg_pointer_get(py_%(name)s, %(typename)s);\n'
+ ' else if (py_%(name)s != Py_None) {\n'
+ ' PyErr_SetString(PyExc_TypeError, "%(name)s should be a %(typename)s or None");\n'
+ ' return NULL;\n'
+ ' }\n')
+ def __init__(self, ptype, typecode):
+ self.typename = ptype
+ self.typecode = typecode
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ if pnull:
+ info.varlist.add(self.typename, '*' + pname + ' = NULL')
+ info.varlist.add('PyObject', '*py_' + pname + ' = Py_None')
+ info.codebefore.append(self.null % {'name': pname,
+ 'typename': self.typename,
+ 'typecode': self.typecode})
+ else:
+ info.varlist.add(self.typename, '*' + pname + ' = NULL')
+ info.varlist.add('PyObject', '*py_' + pname)
+ info.codebefore.append(self.check % {'name': pname,
+ 'typename': self.typename,
+ 'typecode': self.typecode})
+ info.arglist.append(pname)
+ info.add_parselist('O', ['&py_' + pname], [pname])
+ def write_return(self, ptype, ownsreturn, info):
+ if ptype[-1] == '*':
+ info.varlist.add(self.typename, '*ret')
+ info.codeafter.append(' /* pyg_pointer_new handles NULL checking */\n' +
+ ' return pyg_pointer_new(' + self.typecode + ', ret);')
+ else:
+ info.varlist.add(self.typename, 'ret')
+ info.codeafter.append(' /* pyg_pointer_new handles NULL checking */\n' +
+ ' return pyg_pointer_new(' + self.typecode + ', &ret);')
+
+class AtomArg(IntArg):
+ dflt = ' if (py_%(name)s) {\n' \
+ ' %(name)s = pygdk_atom_from_pyobject(py_%(name)s);\n' \
+ ' if (PyErr_Occurred())\n' \
+ ' return NULL;\n' \
+ ' }\n'
+ atom = (' %(name)s = pygdk_atom_from_pyobject(py_%(name)s);\n'
+ ' if (PyErr_Occurred())\n'
+ ' return NULL;\n')
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ if pdflt:
+ info.varlist.add('GdkAtom', pname + ' = ' + pdflt)
+ info.varlist.add('PyObject', '*py_' + pname + ' = NULL')
+ info.codebefore.append(self.dflt % {'name': pname})
+ else:
+ info.varlist.add('GdkAtom', pname)
+ info.varlist.add('PyObject', '*py_' + pname + ' = NULL')
+ info.codebefore.append(self.atom % {'name': pname})
+ info.arglist.append(pname)
+ info.add_parselist('O', ['&py_' + pname], [pname])
+ def write_return(self, ptype, ownsreturn, info):
+ info.varlist.add('GdkAtom', 'ret')
+ info.varlist.add('PyObject *', 'py_ret')
+ info.varlist.add('gchar *', 'name')
+ info.codeafter.append(' name = gdk_atom_name(ret);\n'
+ ' py_ret = PyString_FromString(name);\n'
+ ' g_free(name);\n'
+ ' return py_ret;')
+
+class GTypeArg(ArgType):
+ gtype = (' if ((%(name)s = pyg_type_from_object(py_%(name)s)) == 0)\n'
+ ' return NULL;\n')
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ info.varlist.add('GType', pname)
+ info.varlist.add('PyObject', '*py_' + pname + ' = NULL')
+ info.codebefore.append(self.gtype % {'name': pname})
+ info.arglist.append(pname)
+ info.add_parselist('O', ['&py_' + pname], [pname])
+ def write_return(self, ptype, ownsreturn, info):
+ info.varlist.add('GType', 'ret')
+ info.codeafter.append(' return pyg_type_wrapper_new(ret);')
+
+# simple GError handler.
+class GErrorArg(ArgType):
+ handleerror = (' if (pyg_error_check(&%(name)s))\n'
+ ' return NULL;\n')
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ info.varlist.add('GError', '*' + pname + ' = NULL')
+ info.arglist.append('&' + pname)
+ info.codeafter.append(self.handleerror % { 'name': pname })
+
+class GtkTreePathArg(ArgType):
+ # haven't done support for default args. Is it needed?
+ normal = (' %(name)s = pygtk_tree_path_from_pyobject(py_%(name)s);\n'
+ ' if (!%(name)s) {\n'
+ ' PyErr_SetString(PyExc_TypeError, "could not convert %(name)s to a GtkTreePath");\n'
+ ' return NULL;\n'
+ ' }\n')
+ null = (' if (py_%(name)s != Py_None) {\n'
+ ' %(name)s = pygtk_tree_path_from_pyobject(py_%(name)s);\n'
+ ' if (!%(name)s) {\n'
+ ' PyErr_SetString(PyExc_TypeError, "could not convert %(name)s to a GtkTreePath");\n'
+ ' return NULL;\n'
+ ' }\n'
+ ' }\n')
+ freepath = (' if (%(name)s)\n'
+ ' gtk_tree_path_free(%(name)s);\n')
+ def __init__(self):
+ pass
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ if pnull:
+ info.varlist.add('GtkTreePath', '*' + pname + ' = NULL')
+ info.varlist.add('PyObject', '*py_' + pname + ' = Py_None')
+ info.codebefore.append(self.null % {'name': pname})
+ info.arglist.append(pname)
+ info.add_parselist('O', ['&py_' + pname], [pname])
+ else:
+ info.varlist.add('GtkTreePath', '*' + pname)
+ info.varlist.add('PyObject', '*py_' + pname)
+ info.codebefore.append(self.normal % {'name': pname})
+ info.arglist.append(pname)
+ info.add_parselist('O', ['&py_' + pname], [pname])
+ info.codeafter.append(self.freepath % {'name': pname})
+ def write_return(self, ptype, ownsreturn, info):
+ info.varlist.add('GtkTreePath', '*ret')
+ if ownsreturn:
+ info.codeafter.append(' if (ret) {\n'
+ ' PyObject *py_ret = pygtk_tree_path_to_pyobject(ret);\n'
+ ' gtk_tree_path_free(ret);\n'
+ ' return py_ret;\n'
+ ' }\n'
+ ' Py_INCREF(Py_None);\n'
+ ' return Py_None;')
+ else:
+ info.codeafter.append(' if (ret) {\n'
+ ' PyObject *py_ret = pygtk_tree_path_to_pyobject(ret);\n'
+ ' return py_ret;\n'
+ ' }\n'
+ ' Py_INCREF(Py_None);\n'
+ ' return Py_None;')
+
+class GdkRectanglePtrArg(ArgType):
+ normal = (' if (!pygdk_rectangle_from_pyobject(py_%(name)s, &%(name)s))\n'
+ ' return NULL;\n')
+ null = (' if (py_%(name)s == Py_None)\n'
+ ' %(name)s = NULL;\n'
+ ' else if (pygdk_rectangle_from_pyobject(py_%(name)s, &%(name)s_rect))\n'
+ ' %(name)s = &%(name)s_rect;\n'
+ ' else\n'
+ ' return NULL;\n')
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ if pnull:
+ info.varlist.add('GdkRectangle', pname + '_rect = { 0, 0, 0, 0 }')
+ info.varlist.add('GdkRectangle', '*' + pname)
+ info.varlist.add('PyObject', '*py_' + pname + ' = Py_None')
+ info.add_parselist('O', ['&py_' + pname], [pname])
+ info.arglist.append(pname)
+ info.codebefore.append(self.null % {'name': pname})
+ else:
+ info.varlist.add('GdkRectangle', pname + ' = { 0, 0, 0, 0 }')
+ info.varlist.add('PyObject', '*py_' + pname)
+ info.add_parselist('O', ['&py_' + pname], [pname])
+ info.arglist.append('&' + pname)
+ info.codebefore.append(self.normal % {'name': pname})
+
+class GdkRectangleArg(ArgType):
+ def write_return(self, ptype, ownsreturn, info):
+ info.varlist.add('GdkRectangle', 'ret')
+ info.codeafter.append(' return pyg_boxed_new(GDK_TYPE_RECTANGLE, &ret, TRUE, TRUE);')
+
+class PyObjectArg(ArgType):
+ def write_param(self, ptype, pname, pdflt, pnull, keeprefcount, info):
+ info.varlist.add('PyObject', '*' + pname)
+ info.add_parselist('O', ['&' + pname], [pname])
+ info.arglist.append(pname)
+ def write_return(self, ptype, ownsreturn, info):
+ info.varlist.add("PyObject", "*ret")
+ if ownsreturn:
+ info.codeafter.append(' if (ret) {\n'
+ ' return ret;\n'
+ ' }\n'
+ ' Py_INCREF(Py_None);\n'
+ ' return Py_None;')
+ else:
+ info.codeafter.append(' if (!ret) ret = Py_None;\n'
+ ' Py_INCREF(ret);\n'
+ ' return ret;')
+
+class ArgMatcher:
+ def __init__(self):
+ self.argtypes = {}
+ self.reverse_argtypes = {}
+ self.reverse_rettypes = {}
+
+ def register(self, ptype, handler):
+ self.argtypes[ptype] = handler
+ def register_reverse(self, ptype, handler):
+ self.reverse_argtypes[ptype] = handler
+ def register_reverse_ret(self, ptype, handler):
+ self.reverse_rettypes[ptype] = handler
+
+ def register_enum(self, ptype, typecode):
+ if typecode is None:
+ typecode = "G_TYPE_NONE"
+ self.register(ptype, EnumArg(ptype, typecode))
+ def register_flag(self, ptype, typecode):
+ if typecode is None:
+ typecode = "G_TYPE_NONE"
+ self.register(ptype, FlagsArg(ptype, typecode))
+ def register_object(self, ptype, parent, typecode):
+ oa = ObjectArg(ptype, parent, typecode)
+ self.register(ptype, oa) # in case I forget the * in the .defs
+ self.register(ptype+'*', oa)
+ self.register('const-'+ptype+'*', oa)
+ if ptype == 'GdkPixmap':
+ # hack to handle GdkBitmap synonym.
+ self.register('GdkBitmap', oa)
+ self.register('GdkBitmap*', oa)
+ def register_miniobject(self, ptype, parent, typecode):
+ oa = MiniObjectArg(ptype, parent, typecode)
+ self.register(ptype, oa) # in case I forget the * in the .defs
+ self.register(ptype+'*', oa)
+ def register_boxed(self, ptype, typecode):
+ if self.argtypes.has_key(ptype): return
+ arg = BoxedArg(ptype, typecode)
+ self.register(ptype, arg)
+ self.register(ptype+'*', arg)
+ self.register('const-'+ptype+'*', arg)
+ def register_custom_boxed(self, ptype, pytype, getter, new):
+ arg = CustomBoxedArg(ptype, pytype, getter, new)
+ self.register(ptype+'*', arg)
+ self.register('const-'+ptype+'*', arg)
+ def register_pointer(self, ptype, typecode):
+ arg = PointerArg(ptype, typecode)
+ self.register(ptype, arg)
+ self.register(ptype+'*', arg)
+ self.register('const-'+ptype+'*', arg)
+
+ def get(self, ptype):
+ try:
+ return self.argtypes[ptype]
+ except KeyError:
+ if ptype[:8] == 'GdkEvent' and ptype[-1] == '*':
+ return self.argtypes['GdkEvent*']
+ raise
+ def _get_reverse_common(self, ptype, registry):
+ props = dict(c_type=ptype)
+ try:
+ return registry[ptype], props
+ except KeyError:
+ try:
+ handler = self.argtypes[ptype]
+ except KeyError:
+ if ptype.startswith('GdkEvent') and ptype.endswith('*'):
+ handler = self.argtypes['GdkEvent*']
+ else:
+ raise
+ if isinstance(handler, ObjectArg):
+ return registry['GObject*'], props
+ elif isinstance(handler, EnumArg):
+ props['typecode'] = handler.typecode
+ props['enumname'] = handler.enumname
+ return registry['GEnum'], props
+ elif isinstance(handler, FlagsArg):
+ props['typecode'] = handler.typecode
+ props['flagname'] = handler.flagname
+ return registry['GFlags'], props
+ elif isinstance(handler, BoxedArg):
+ props['typecode'] = handler.typecode
+ props['typename'] = handler.typename
+ return registry['GBoxed'], props
+ else:
+ raise
+ def get_reverse(self, ptype):
+ return self._get_reverse_common(ptype, self.reverse_argtypes)
+ def get_reverse_ret(self, ptype):
+ return self._get_reverse_common(ptype, self.reverse_rettypes)
+
+ def object_is_a(self, otype, parent):
+ if otype == None: return 0
+ if otype == parent: return 1
+ if not self.argtypes.has_key(otype): return 0
+ return self.object_is_a(self.get(otype).parent, parent)
+
+matcher = ArgMatcher()
+
+arg = NoneArg()
+matcher.register(None, arg)
+matcher.register('none', arg)
+
+arg = StringArg()
+matcher.register('char*', arg)
+matcher.register('gchar*', arg)
+matcher.register('const-char*', arg)
+matcher.register('char-const*', arg)
+matcher.register('const-gchar*', arg)
+matcher.register('gchar-const*', arg)
+matcher.register('string', arg)
+matcher.register('static_string', arg)
+
+arg = UCharArg()
+matcher.register('unsigned-char*', arg)
+matcher.register('const-guchar*', arg)
+matcher.register('guchar*', arg)
+
+arg = CharArg()
+matcher.register('char', arg)
+matcher.register('gchar', arg)
+matcher.register('guchar', arg)
+
+arg = GUniCharArg()
+matcher.register('gunichar', arg)
+
+arg = IntArg()
+matcher.register('int', arg)
+matcher.register('gint', arg)
+matcher.register('short', arg)
+matcher.register('gshort', arg)
+matcher.register('gushort', arg)
+matcher.register('gsize', SizeArg())
+matcher.register('gssize', SSizeArg())
+matcher.register('guint8', arg)
+matcher.register('gint8', arg)
+matcher.register('guint16', arg)
+matcher.register('gint16', arg)
+matcher.register('gint32', arg)
+matcher.register('GTime', arg)
+
+arg = LongArg()
+matcher.register('long', arg)
+matcher.register('glong', arg)
+
+arg = UIntArg()
+matcher.register('guint', arg)
+
+arg = BoolArg()
+matcher.register('gboolean', arg)
+
+arg = TimeTArg()
+matcher.register('time_t', arg)
+
+matcher.register('guint32', UInt32Arg())
+
+arg = ULongArg()
+matcher.register('gulong', arg)
+
+arg = Int64Arg()
+matcher.register('gint64', arg)
+matcher.register('long-long', arg)
+
+arg = UInt64Arg()
+matcher.register('guint64', arg)
+matcher.register('unsigned-long-long', arg)
+
+arg = DoubleArg()
+matcher.register('double', arg)
+matcher.register('gdouble', arg)
+matcher.register('float', arg)
+matcher.register('gfloat', arg)
+
+arg = FileArg()
+matcher.register('FILE*', arg)
+
+# enums, flags, objects
+
+matcher.register('GdkAtom', AtomArg())
+
+matcher.register('GType', GTypeArg())
+matcher.register('GtkType', GTypeArg())
+
+matcher.register('GError**', GErrorArg())
+matcher.register('GtkTreePath*', GtkTreePathArg())
+matcher.register('GdkRectangle*', GdkRectanglePtrArg())
+matcher.register('GtkAllocation*', GdkRectanglePtrArg())
+matcher.register('GdkRectangle', GdkRectangleArg())
+matcher.register('PyObject*', PyObjectArg())
+
+matcher.register('GdkNativeWindow', ULongArg())
+
+matcher.register_object('GObject', None, 'G_TYPE_OBJECT')
+matcher.register_miniobject('GstMiniObject', None, 'GST_TYPE_MINI_OBJECT')
+
+del arg
diff --git a/bindings/python/codegen/code-coverage.py b/bindings/python/codegen/code-coverage.py
new file mode 100755
index 0000000..fd15034
--- /dev/null
+++ b/bindings/python/codegen/code-coverage.py
@@ -0,0 +1,42 @@
+from __future__ import generators
+import sys, os
+
+def read_symbols(file, type=None, dynamic=0):
+ if dynamic:
+ cmd = 'nm -D %s' % file
+ else:
+ cmd = 'nm %s' % file
+ for line in os.popen(cmd, 'r'):
+ if line[0] != ' ': # has an address as first bit of line
+ while line[0] != ' ':
+ line = line[1:]
+ while line[0] == ' ':
+ line = line[1:]
+ # we should be up to "type symbolname" now
+ sym_type = line[0]
+ symbol = line[1:].strip()
+
+ if not type or type == sym_type:
+ yield symbol
+
+def main():
+ if len(sys.argv) != 3:
+ sys.stderr.write('usage: coverage-check library.so wrapper.so\n')
+ sys.exit(1)
+ library = sys.argv[1]
+ wrapper = sys.argv[2]
+
+ # first create a dict with all referenced symbols in the wrapper
+ # should really be a set, but a dict will do ...
+ wrapper_symbols = {}
+ for symbol in read_symbols(wrapper, type='U', dynamic=1):
+ wrapper_symbols[symbol] = 1
+
+ # now go through the library looking for matches on the defined symbols:
+ for symbol in read_symbols(library, type='T', dynamic=1):
+ if symbol[0] == '_': continue
+ if symbol not in wrapper_symbols:
+ print symbol
+
+if __name__ == '__main__':
+ main()
diff --git a/bindings/python/codegen/codegen.py b/bindings/python/codegen/codegen.py
new file mode 100644
index 0000000..8f20bf7
--- /dev/null
+++ b/bindings/python/codegen/codegen.py
@@ -0,0 +1,1572 @@
+import getopt
+import keyword
+import os
+import string
+import sys
+
+import argtypes
+import definitions
+import defsparser
+import override
+import reversewrapper
+
+class Coverage(object):
+ def __init__(self, name):
+ self.name = name
+ self.wrapped = 0
+ self.not_wrapped = 0
+
+ def declare_wrapped(self):
+ self.wrapped += 1
+
+ def declare_not_wrapped(self):
+ self.not_wrapped += 1
+
+ def printstats(self):
+ total = self.wrapped + self.not_wrapped
+ fd = sys.stderr
+ if total:
+ fd.write("***INFO*** The coverage of %s is %.2f%% (%i/%i)\n" %
+ (self.name,
+ float(self.wrapped*100)/total,
+ self.wrapped,
+ total))
+ else:
+ fd.write("***INFO*** There are no declared %s." % self.name)
+
+functions_coverage = Coverage("global functions")
+methods_coverage = Coverage("methods")
+vproxies_coverage = Coverage("virtual proxies")
+vaccessors_coverage = Coverage("virtual accessors")
+iproxies_coverage = Coverage("interface proxies")
+
+def exc_info():
+ #traceback.print_exc()
+ etype, value, tb = sys.exc_info()
+ ret = ""
+ try:
+ sval = str(value)
+ if etype == KeyError:
+ ret = "No ArgType for %s" % (sval,)
+ else:
+ ret = sval
+ finally:
+ del etype, value, tb
+ return ret
+
+def fixname(name):
+ if keyword.iskeyword(name):
+ return name + '_'
+ return name
+
+class FileOutput:
+ '''Simple wrapper for file object, that makes writing #line
+ statements easier.''' # "
+ def __init__(self, fp, filename=None):
+ self.fp = fp
+ self.lineno = 1
+ if filename:
+ self.filename = filename
+ else:
+ self.filename = self.fp.name
+ # handle writing to the file, and keep track of the line number ...
+ def write(self, str):
+ self.fp.write(str)
+ self.lineno = self.lineno + string.count(str, '\n')
+ def writelines(self, sequence):
+ for line in sequence:
+ self.write(line)
+ def close(self):
+ self.fp.close()
+ def flush(self):
+ self.fp.flush()
+
+ def setline(self, linenum, filename):
+ '''writes out a #line statement, for use by the C
+ preprocessor.''' # "
+ self.write('#line %d "%s"\n' % (linenum, filename))
+ def resetline(self):
+ '''resets line numbering to the original file'''
+ self.setline(self.lineno + 1, self.filename)
+
+class Wrapper:
+ type_tmpl = (
+ 'PyTypeObject Py%(typename)s_Type = {\n'
+ ' PyObject_HEAD_INIT(NULL)\n'
+ ' 0, /* ob_size */\n'
+ ' "%(classname)s", /* tp_name */\n'
+ ' sizeof(%(tp_basicsize)s), /* tp_basicsize */\n'
+ ' 0, /* tp_itemsize */\n'
+ ' /* methods */\n'
+ ' (destructor)%(tp_dealloc)s, /* tp_dealloc */\n'
+ ' (printfunc)0, /* tp_print */\n'
+ ' (getattrfunc)%(tp_getattr)s, /* tp_getattr */\n'
+ ' (setattrfunc)%(tp_setattr)s, /* tp_setattr */\n'
+ ' (cmpfunc)%(tp_compare)s, /* tp_compare */\n'
+ ' (reprfunc)%(tp_repr)s, /* tp_repr */\n'
+ ' (PyNumberMethods*)%(tp_as_number)s, /* tp_as_number */\n'
+ ' (PySequenceMethods*)%(tp_as_sequence)s, /* tp_as_sequence */\n'
+ ' (PyMappingMethods*)%(tp_as_mapping)s, /* tp_as_mapping */\n'
+ ' (hashfunc)%(tp_hash)s, /* tp_hash */\n'
+ ' (ternaryfunc)%(tp_call)s, /* tp_call */\n'
+ ' (reprfunc)%(tp_str)s, /* tp_str */\n'
+ ' (getattrofunc)%(tp_getattro)s, /* tp_getattro */\n'
+ ' (setattrofunc)%(tp_setattro)s, /* tp_setattro */\n'
+ ' (PyBufferProcs*)%(tp_as_buffer)s, /* tp_as_buffer */\n'
+ ' %(tp_flags)s, /* tp_flags */\n'
+ ' %(tp_doc)s, /* Documentation string */\n'
+ ' (traverseproc)%(tp_traverse)s, /* tp_traverse */\n'
+ ' (inquiry)%(tp_clear)s, /* tp_clear */\n'
+ ' (richcmpfunc)%(tp_richcompare)s, /* tp_richcompare */\n'
+ ' %(tp_weaklistoffset)s, /* tp_weaklistoffset */\n'
+ ' (getiterfunc)%(tp_iter)s, /* tp_iter */\n'
+ ' (iternextfunc)%(tp_iternext)s, /* tp_iternext */\n'
+ ' (struct PyMethodDef*)%(tp_methods)s, /* tp_methods */\n'
+ ' (struct PyMemberDef*)0, /* tp_members */\n'
+ ' (struct PyGetSetDef*)%(tp_getset)s, /* tp_getset */\n'
+ ' NULL, /* tp_base */\n'
+ ' NULL, /* tp_dict */\n'
+ ' (descrgetfunc)%(tp_descr_get)s, /* tp_descr_get */\n'
+ ' (descrsetfunc)%(tp_descr_set)s, /* tp_descr_set */\n'
+ ' %(tp_dictoffset)s, /* tp_dictoffset */\n'
+ ' (initproc)%(tp_init)s, /* tp_init */\n'
+ ' (allocfunc)%(tp_alloc)s, /* tp_alloc */\n'
+ ' (newfunc)%(tp_new)s, /* tp_new */\n'
+ ' (freefunc)%(tp_free)s, /* tp_free */\n'
+ ' (inquiry)%(tp_is_gc)s /* tp_is_gc */\n'
+ '};\n\n'
+ )
+
+ slots_list = [
+ 'tp_getattr', 'tp_setattr', 'tp_getattro', 'tp_setattro',
+ 'tp_compare', 'tp_repr',
+ 'tp_as_number', 'tp_as_sequence', 'tp_as_mapping', 'tp_hash',
+ 'tp_call', 'tp_str', 'tp_as_buffer', 'tp_richcompare', 'tp_iter',
+ 'tp_iternext', 'tp_descr_get', 'tp_descr_set', 'tp_init',
+ 'tp_alloc', 'tp_new', 'tp_free', 'tp_is_gc',
+ 'tp_traverse', 'tp_clear', 'tp_dealloc', 'tp_flags', 'tp_doc'
+ ]
+
+ getter_tmpl = (
+ 'static PyObject *\n'
+ '%(funcname)s(PyObject *self, void *closure)\n'
+ '{\n'
+ '%(varlist)s'
+ ' ret = %(field)s;\n'
+ '%(codeafter)s\n'
+ '}\n\n'
+ )
+
+ parse_tmpl = (
+ ' if (!PyArg_ParseTupleAndKeywords(args, kwargs,'
+ '"%(typecodes)s:%(name)s"%(parselist)s))\n'
+ ' return %(errorreturn)s;\n'
+ )
+
+ deprecated_tmpl = (
+ ' if (PyErr_Warn(PyExc_DeprecationWarning, '
+ '"%(deprecationmsg)s") < 0)\n'
+ ' return %(errorreturn)s;\n'
+ )
+
+ methdef_tmpl = (
+ ' { "%(name)s", (PyCFunction)%(cname)s, %(flags)s,\n'
+ ' %(docstring)s },\n'
+ )
+
+ noconstructor = (
+ 'static int\n'
+ 'pygobject_no_constructor(PyObject *self, PyObject *args, '
+ 'PyObject *kwargs)\n'
+ '{\n'
+ ' gchar buf[512];\n'
+ '\n'
+ ' g_snprintf(buf, sizeof(buf), "%s is an abstract widget", '
+ 'self->ob_type->tp_name);\n'
+ ' PyErr_SetString(PyExc_NotImplementedError, buf);\n'
+ ' return -1;\n'
+ '}\n\n'
+ )
+
+ function_tmpl = (
+ 'static PyObject *\n'
+ '_wrap_%(cname)s(PyObject *self%(extraparams)s)\n'
+ '{\n'
+ '%(varlist)s'
+ '%(parseargs)s'
+ '%(codebefore)s'
+ ' %(begin_allow_threads)s\n'
+ ' %(setreturn)s%(cname)s(%(arglist)s);\n'
+ ' %(end_allow_threads)s\n'
+ '%(codeafter)s\n'
+ '}\n\n'
+ )
+
+ virtual_accessor_tmpl = (
+ 'static PyObject *\n'
+ '_wrap_%(cname)s(PyObject *cls%(extraparams)s)\n'
+ '{\n'
+ ' gpointer klass;\n'
+ '%(varlist)s'
+ '%(parseargs)s'
+ '%(codebefore)s'
+ ' klass = g_type_class_ref(pyg_type_from_object(cls));\n'
+ ' if (%(class_cast_macro)s(klass)->%(virtual)s) {\n'
+ ' pyg_begin_allow_threads;\n'
+ ' %(setreturn)s%(class_cast_macro)s(klass)->'
+ '%(virtual)s(%(arglist)s);\n'
+ ' pyg_end_allow_threads;\n'
+ ' } else {\n'
+ ' PyErr_SetString(PyExc_NotImplementedError, '
+ '"virtual method %(name)s not implemented");\n'
+ ' g_type_class_unref(klass);\n'
+ ' return NULL;\n'
+ ' }\n'
+ ' g_type_class_unref(klass);\n'
+ '%(codeafter)s\n'
+ '}\n\n'
+ )
+
+ # template for method calls
+ constructor_tmpl = None
+ method_tmpl = None
+
+ def __init__(self, parser, objinfo, overrides, fp=FileOutput(sys.stdout)):
+ self.parser = parser
+ self.objinfo = objinfo
+ self.overrides = overrides
+ self.fp = fp
+
+ def get_lower_name(self):
+ return string.lower(string.replace(self.objinfo.typecode,
+ '_TYPE_', '_', 1))
+
+ def get_field_accessor(self, fieldname):
+ raise NotImplementedError
+
+ def get_initial_class_substdict(self): return {}
+
+ def get_initial_constructor_substdict(self, constructor):
+ return { 'name': '%s.__init__' % self.objinfo.c_name,
+ 'errorreturn': '-1' }
+ def get_initial_method_substdict(self, method):
+ substdict = { 'name': '%s.%s' % (self.objinfo.c_name, method.name) }
+ substdict['begin_allow_threads'] = 'pyg_begin_allow_threads;'
+ substdict['end_allow_threads'] = 'pyg_end_allow_threads;'
+ return substdict
+
+ def write_class(self):
+ if self.overrides.is_type_ignored(self.objinfo.c_name):
+ return
+ self.fp.write('\n/* ----------- %s ----------- */\n\n' %
+ self.objinfo.c_name)
+ substdict = self.get_initial_class_substdict()
+ if not substdict.has_key('tp_flags'):
+ substdict['tp_flags'] = 'Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE'
+ substdict['typename'] = self.objinfo.c_name
+ if self.overrides.modulename:
+ substdict['classname'] = '%s.%s' % (self.overrides.modulename,
+ self.objinfo.name)
+ else:
+ substdict['classname'] = self.objinfo.name
+ substdict['tp_doc'] = self.objinfo.docstring
+
+ # Maybe this could be done in a nicer way, but I'll leave it as it is
+ # for now: -- Johan
+ if not self.overrides.slot_is_overriden('%s.tp_init' %
+ self.objinfo.c_name):
+ substdict['tp_init'] = self.write_constructor()
+ substdict['tp_methods'] = self.write_methods()
+ substdict['tp_getset'] = self.write_getsets()
+
+ # handle slots ...
+ for slot in self.slots_list:
+
+ slotname = '%s.%s' % (self.objinfo.c_name, slot)
+ slotfunc = '_wrap_%s_%s' % (self.get_lower_name(), slot)
+ if slot[:6] == 'tp_as_':
+ slotfunc = '&' + slotfunc
+ if self.overrides.slot_is_overriden(slotname):
+ data = self.overrides.slot_override(slotname)
+ self.write_function(slotname, data)
+ substdict[slot] = slotfunc
+ else:
+ if not substdict.has_key(slot):
+ substdict[slot] = '0'
+
+ self.fp.write(self.type_tmpl % substdict)
+
+ self.write_virtuals()
+
+ def write_function_wrapper(self, function_obj, template,
+ handle_return=0, is_method=0, kwargs_needed=0,
+ substdict=None):
+ '''This function is the guts of all functions that generate
+ wrappers for functions, methods and constructors.'''
+ if not substdict: substdict = {}
+
+ info = argtypes.WrapperInfo()
+
+ substdict.setdefault('errorreturn', 'NULL')
+
+ # for methods, we want the leading comma
+ if is_method:
+ info.arglist.append('')
+
+ if function_obj.varargs:
+ raise ValueError, "varargs functions not supported"
+
+ for param in function_obj.params:
+ if param.pdflt and '|' not in info.parsestr:
+ info.add_parselist('|', [], [])
+ handler = argtypes.matcher.get(param.ptype)
+ handler.write_param(param.ptype, param.pname, param.pdflt,
+ param.pnull, param.keeprefcount, info)
+
+ substdict['setreturn'] = ''
+ if handle_return:
+ if function_obj.ret not in ('none', None):
+ substdict['setreturn'] = 'ret = '
+ handler = argtypes.matcher.get(function_obj.ret)
+ handler.write_return(function_obj.ret,
+ function_obj.caller_owns_return, info)
+
+ if function_obj.deprecated != None:
+ deprecated = self.deprecated_tmpl % {
+ 'deprecationmsg': function_obj.deprecated,
+ 'errorreturn': substdict['errorreturn'] }
+ else:
+ deprecated = ''
+
+ # if name isn't set, set it to function_obj.name
+ substdict.setdefault('name', function_obj.name)
+
+ substdict['begin_allow_threads'] = 'pyg_begin_allow_threads;'
+ substdict['end_allow_threads'] = 'pyg_end_allow_threads;'
+
+ if self.objinfo:
+ substdict['typename'] = self.objinfo.c_name
+ substdict.setdefault('cname', function_obj.c_name)
+ substdict['varlist'] = info.get_varlist()
+ substdict['typecodes'] = info.parsestr
+ substdict['parselist'] = info.get_parselist()
+ substdict['arglist'] = info.get_arglist()
+ substdict['codebefore'] = deprecated + (
+ string.replace(info.get_codebefore(),
+ 'return NULL', 'return ' + substdict['errorreturn'])
+ )
+ substdict['codeafter'] = (
+ string.replace(info.get_codeafter(),
+ 'return NULL',
+ 'return ' + substdict['errorreturn']))
+
+ if info.parsestr or kwargs_needed:
+ substdict['parseargs'] = self.parse_tmpl % substdict
+ substdict['extraparams'] = ', PyObject *args, PyObject *kwargs'
+ flags = 'METH_VARARGS|METH_KEYWORDS'
+
+ # prepend the keyword list to the variable list
+ substdict['varlist'] = info.get_kwlist() + substdict['varlist']
+ else:
+ substdict['parseargs'] = ''
+ substdict['extraparams'] = ''
+ flags = 'METH_NOARGS'
+
+ return template % substdict, flags
+
+ def write_constructor(self):
+ initfunc = '0'
+ constructor = self.parser.find_constructor(self.objinfo,self.overrides)
+ if not constructor:
+ return self.write_default_constructor()
+
+ funcname = constructor.c_name
+ try:
+ if self.overrides.is_overriden(funcname):
+ data = self.overrides.override(funcname)
+ self.write_function(funcname, data)
+ self.objinfo.has_new_constructor_api = (
+ self.objinfo.typecode in
+ self.overrides.newstyle_constructors)
+ else:
+ # ok, a hack to determine if we should use
+ # new-style constructores :P
+ property_based = getattr(self,
+ 'write_property_based_constructor',
+ None)
+ if property_based:
+ if (len(constructor.params) == 0 or
+ isinstance(constructor.params[0],
+ definitions.Property)):
+ # write_property_based_constructor is only
+ # implemented in GObjectWrapper
+ return self.write_property_based_constructor(
+ constructor)
+ else:
+ sys.stderr.write(
+ "Warning: generating old-style constructor for:" +
+ constructor.c_name + '\n')
+
+ # write constructor from template ...
+ code = self.write_function_wrapper(constructor,
+ self.constructor_tmpl,
+ handle_return=0, is_method=0, kwargs_needed=1,
+ substdict=self.get_initial_constructor_substdict(
+ constructor))[0]
+ self.fp.write(code)
+ initfunc = '_wrap_' + funcname
+ except:
+ sys.stderr.write('Could not write constructor for %s: %s\n'
+ % (self.objinfo.c_name, exc_info()))
+
+ initfunc = self.write_noconstructor()
+ return initfunc
+
+ def write_noconstructor(self):
+ # this is a hack ...
+ if not hasattr(self.overrides, 'no_constructor_written'):
+ self.fp.write(self.noconstructor)
+ self.overrides.no_constructor_written = 1
+ initfunc = 'pygobject_no_constructor'
+ return initfunc
+
+ def write_default_constructor(self):
+ return self.write_noconstructor()
+
+ def get_methflags(self, funcname):
+ if self.overrides.wants_kwargs(funcname):
+ flags = 'METH_VARARGS|METH_KEYWORDS'
+ elif self.overrides.wants_noargs(funcname):
+ flags = 'METH_NOARGS'
+ elif self.overrides.wants_onearg(funcname):
+ flags = 'METH_O'
+ else:
+ flags = 'METH_VARARGS'
+ if self.overrides.is_staticmethod(funcname):
+ flags += '|METH_STATIC'
+ elif self.overrides.is_classmethod(funcname):
+ flags += '|METH_CLASS'
+ return flags
+
+ def write_function(self, funcname, data):
+ lineno, filename = self.overrides.getstartline(funcname)
+ self.fp.setline(lineno, filename)
+ self.fp.write(data)
+ self.fp.resetline()
+ self.fp.write('\n\n')
+
+ def _get_class_virtual_substdict(self, meth, cname, parent):
+ substdict = self.get_initial_method_substdict(meth)
+ substdict['virtual'] = substdict['name'].split('.')[1]
+ substdict['cname'] = cname
+ substdict['class_cast_macro'] = parent.typecode.replace(
+ '_TYPE_', '_', 1) + "_CLASS"
+ substdict['typecode'] = self.objinfo.typecode
+ substdict['cast'] = string.replace(parent.typecode, '_TYPE_', '_', 1)
+ return substdict
+
+ def write_methods(self):
+ methods = []
+ klass = self.objinfo.c_name
+ # First, get methods from the defs files
+ for meth in self.parser.find_methods(self.objinfo):
+ method_name = meth.c_name
+ if self.overrides.is_ignored(method_name):
+ continue
+ try:
+ if self.overrides.is_overriden(method_name):
+ if not self.overrides.is_already_included(method_name):
+ data = self.overrides.override(method_name)
+ self.write_function(method_name, data)
+
+ methflags = self.get_methflags(method_name)
+ else:
+ # write constructor from template ...
+ code, methflags = self.write_function_wrapper(meth,
+ self.method_tmpl, handle_return=1, is_method=1,
+ substdict=self.get_initial_method_substdict(meth))
+ self.fp.write(code)
+ methods.append(self.methdef_tmpl %
+ { 'name': fixname(meth.name),
+ 'cname': '_wrap_' + method_name,
+ 'flags': methflags,
+ 'docstring': meth.docstring })
+ methods_coverage.declare_wrapped()
+ except:
+ methods_coverage.declare_not_wrapped()
+ sys.stderr.write('Could not write method %s.%s: %s\n'
+ % (klass, meth.name, exc_info()))
+
+ # Now try to see if there are any defined in the override
+ for method_name in self.overrides.get_defines_for(klass):
+ c_name = override.class2cname(klass, method_name)
+ if self.overrides.is_already_included(method_name):
+ continue
+
+ try:
+ data = self.overrides.define(klass, method_name)
+ self.write_function(method_name, data)
+ methflags = self.get_methflags(method_name)
+
+ methods.append(self.methdef_tmpl %
+ { 'name': method_name,
+ 'cname': '_wrap_' + c_name,
+ 'flags': methflags,
+ 'docstring': meth.docstring })
+ methods_coverage.declare_wrapped()
+ except:
+ methods_coverage.declare_not_wrapped()
+ sys.stderr.write('Could not write method %s.%s: %s\n'
+ % (klass, meth.name, exc_info()))
+
+ # Add GObject virtual method accessors, for chaining to parent
+ # virtuals from subclasses
+ methods += self.write_virtual_accessors()
+
+ if methods:
+ methoddefs = '_Py%s_methods' % self.objinfo.c_name
+ # write the PyMethodDef structure
+ methods.append(' { NULL, NULL, 0, NULL }\n')
+ self.fp.write('static const PyMethodDef %s[] = {\n' % methoddefs)
+ self.fp.write(string.join(methods, ''))
+ self.fp.write('};\n\n')
+ else:
+ methoddefs = 'NULL'
+ return methoddefs
+
+ def write_virtual_accessors(self):
+ klass = self.objinfo.c_name
+ methods = []
+ for meth in self.parser.find_virtuals(self.objinfo):
+ method_name = self.objinfo.c_name + "__do_" + meth.name
+ if self.overrides.is_ignored(method_name):
+ continue
+ try:
+ if self.overrides.is_overriden(method_name):
+ if not self.overrides.is_already_included(method_name):
+ data = self.overrides.override(method_name)
+ self.write_function(method_name, data)
+ methflags = self.get_methflags(method_name)
+ else:
+ # temporarily add a 'self' parameter as first argument
+ meth.params.insert(0, definitions.Parameter(
+ ptype=(self.objinfo.c_name + '*'),
+ pname='self', pdflt=None, pnull=None))
+ try:
+ # write method from template ...
+ code, methflags = self.write_function_wrapper(
+ meth, self.virtual_accessor_tmpl,
+ handle_return=True, is_method=False,
+ substdict=self._get_class_virtual_substdict(
+ meth, method_name, self.objinfo))
+ self.fp.write(code)
+ finally:
+ del meth.params[0]
+ methods.append(self.methdef_tmpl %
+ { 'name': "do_" + fixname(meth.name),
+ 'cname': '_wrap_' + method_name,
+ 'flags': methflags + '|METH_CLASS',
+ 'docstring': 'NULL'})
+ vaccessors_coverage.declare_wrapped()
+ except:
+ vaccessors_coverage.declare_not_wrapped()
+ sys.stderr.write(
+ 'Could not write virtual accessor method %s.%s: %s\n'
+ % (klass, meth.name, exc_info()))
+ return methods
+
+ def write_virtuals(self):
+ '''
+ Write _wrap_FooBar__proxy_do_zbr() reverse wrapers for
+ GObject virtuals
+ '''
+ klass = self.objinfo.c_name
+ virtuals = []
+ for meth in self.parser.find_virtuals(self.objinfo):
+ method_name = self.objinfo.c_name + "__proxy_do_" + meth.name
+ if self.overrides.is_ignored(method_name):
+ continue
+ try:
+ if self.overrides.is_overriden(method_name):
+ if not self.overrides.is_already_included(method_name):
+ data = self.overrides.override(method_name)
+ self.write_function(method_name, data)
+ else:
+ # write virtual proxy ...
+ ret, props = argtypes.matcher.get_reverse_ret(meth.ret)
+ wrapper = reversewrapper.ReverseWrapper(
+ '_wrap_' + method_name, is_static=True)
+ wrapper.set_return_type(ret(wrapper, **props))
+ wrapper.add_parameter(reversewrapper.PyGObjectMethodParam(
+ wrapper, "self", method_name="do_" + meth.name,
+ c_type=(klass + ' *')))
+ for param in meth.params:
+ handler, props = argtypes.matcher.get_reverse(
+ param.ptype)
+ props["direction"] = param.pdir
+ wrapper.add_parameter(handler(wrapper,
+ param.pname, **props))
+ buf = reversewrapper.MemoryCodeSink()
+ wrapper.generate(buf)
+ self.fp.write(buf.flush())
+ virtuals.append((fixname(meth.name), '_wrap_' + method_name))
+ vproxies_coverage.declare_wrapped()
+ except (KeyError, ValueError):
+ vproxies_coverage.declare_not_wrapped()
+ virtuals.append((fixname(meth.name), None))
+ sys.stderr.write('Could not write virtual proxy %s.%s: %s\n'
+ % (klass, meth.name, exc_info()))
+ if virtuals:
+ # Write a 'pygtk class init' function for this object,
+ # except when the object type is explicitly ignored (like
+ # GtkPlug and GtkSocket on win32).
+ if self.overrides.is_ignored(self.objinfo.typecode):
+ return
+ class_cast_macro = self.objinfo.typecode.replace(
+ '_TYPE_', '_', 1) + "_CLASS"
+ cast_macro = self.objinfo.typecode.replace('_TYPE_', '_', 1)
+ funcname = "__%s_class_init" % klass
+ self.objinfo.class_init_func = funcname
+ have_implemented_virtuals = not not [True
+ for name, cname in virtuals
+ if cname is not None]
+ self.fp.write(
+ ('\nstatic int\n'
+ '%(funcname)s(gpointer gclass, PyTypeObject *pyclass)\n'
+ '{\n') % vars())
+
+ if have_implemented_virtuals:
+ self.fp.write(' PyObject *o;\n')
+ self.fp.write(
+ ' %(klass)sClass *klass = '
+ '%(class_cast_macro)s(gclass);\n'
+ ' PyObject *gsignals = '
+ 'PyDict_GetItemString(pyclass->tp_dict, "__gsignals__");\n'
+ % vars())
+
+ for name, cname in virtuals:
+ do_name = 'do_' + name
+ if cname is None:
+ self.fp.write('\n /* overriding %(do_name)s '
+ 'is currently not supported */\n' % vars())
+ else:
+ self.fp.write('''
+ o = PyObject_GetAttrString((PyObject *) pyclass, "%(do_name)s");
+ if (o == NULL)
+ PyErr_Clear();
+ else {
+ if (!PyObject_TypeCheck(o, &PyCFunction_Type)
+ && !(gsignals && PyDict_GetItemString(gsignals, "%(name)s")))
+ klass->%(name)s = %(cname)s;
+ Py_DECREF(o);
+ }
+''' % vars())
+ self.fp.write(' return 0;\n}\n')
+
+ def write_getsets(self):
+ lower_name = self.get_lower_name()
+ getsets_name = lower_name + '_getsets'
+ getterprefix = '_wrap_' + lower_name + '__get_'
+ setterprefix = '_wrap_' + lower_name + '__set_'
+
+ # no overrides for the whole function. If no fields,
+ # don't write a func
+ if not self.objinfo.fields:
+ return '0'
+ getsets = []
+ for ftype, cfname in self.objinfo.fields:
+ fname = cfname.replace('.', '_')
+ gettername = '0'
+ settername = '0'
+ attrname = self.objinfo.c_name + '.' + fname
+ if self.overrides.attr_is_overriden(attrname):
+ code = self.overrides.attr_override(attrname)
+ self.write_function(attrname, code)
+ if string.find(code, getterprefix + fname) >= 0:
+ gettername = getterprefix + fname
+ if string.find(code, setterprefix + fname) >= 0:
+ settername = setterprefix + fname
+ if gettername == '0':
+ try:
+ funcname = getterprefix + fname
+ info = argtypes.WrapperInfo()
+ handler = argtypes.matcher.get(ftype)
+ # for attributes, we don't own the "return value"
+ handler.write_return(ftype, 0, info)
+ self.fp.write(self.getter_tmpl %
+ { 'funcname': funcname,
+ 'varlist': info.varlist,
+ 'field': self.get_field_accessor(cfname),
+ 'codeafter': info.get_codeafter() })
+ gettername = funcname
+ except:
+ sys.stderr.write(
+ "Could not write getter for %s.%s: %s\n"
+ % (self.objinfo.c_name, fname, exc_info()))
+ if gettername != '0' or settername != '0':
+ getsets.append(' { "%s", (getter)%s, (setter)%s },\n' %
+ (fixname(fname), gettername, settername))
+
+ if not getsets:
+ return '0'
+ self.fp.write('static const PyGetSetDef %s[] = {\n' % getsets_name)
+ for getset in getsets:
+ self.fp.write(getset)
+ self.fp.write(' { NULL, (getter)0, (setter)0 },\n')
+ self.fp.write('};\n\n')
+
+ return getsets_name
+
+ def write_functions(self, prefix):
+ self.fp.write('\n/* ----------- functions ----------- */\n\n')
+ functions = []
+
+ # First, get methods from the defs files
+ for func in self.parser.find_functions():
+ funcname = func.c_name
+ if self.overrides.is_ignored(funcname):
+ continue
+ try:
+ if self.overrides.is_overriden(funcname):
+ data = self.overrides.override(funcname)
+ self.write_function(funcname, data)
+
+ methflags = self.get_methflags(funcname)
+ else:
+ # write constructor from template ...
+ code, methflags = self.write_function_wrapper(func,
+ self.function_tmpl, handle_return=1, is_method=0)
+ self.fp.write(code)
+ functions.append(self.methdef_tmpl %
+ { 'name': func.name,
+ 'cname': '_wrap_' + funcname,
+ 'flags': methflags,
+ 'docstring': func.docstring })
+ functions_coverage.declare_wrapped()
+ except:
+ functions_coverage.declare_not_wrapped()
+ sys.stderr.write('Could not write function %s: %s\n'
+ % (func.name, exc_info()))
+
+ # Now try to see if there are any defined in the override
+ for funcname in self.overrides.get_functions():
+ try:
+ data = self.overrides.function(funcname)
+ self.write_function(funcname, data)
+ methflags = self.get_methflags(funcname)
+ functions.append(self.methdef_tmpl %
+ { 'name': funcname,
+ 'cname': '_wrap_' + funcname,
+ 'flags': methflags,
+ 'docstring': 'NULL'})
+ functions_coverage.declare_wrapped()
+ except:
+ functions_coverage.declare_not_wrapped()
+ sys.stderr.write('Could not write function %s: %s\n'
+ % (funcname, exc_info()))
+
+ # write the PyMethodDef structure
+ functions.append(' { NULL, NULL, 0, NULL }\n')
+
+ self.fp.write('const PyMethodDef ' + prefix + '_functions[] = {\n')
+ self.fp.write(string.join(functions, ''))
+ self.fp.write('};\n\n')
+
+class GObjectWrapper(Wrapper):
+ constructor_tmpl = (
+ 'static int\n'
+ '_wrap_%(cname)s(PyGObject *self%(extraparams)s)\n'
+ '{\n'
+ '%(varlist)s'
+ '%(parseargs)s'
+ '%(codebefore)s'
+ ' self->obj = (GObject *)%(cname)s(%(arglist)s);\n'
+ '%(codeafter)s\n'
+ ' if (!self->obj) {\n'
+ ' PyErr_SetString(PyExc_RuntimeError, '
+ '"could not create %(typename)s object");\n'
+ ' return -1;\n'
+ ' }\n'
+ '%(aftercreate)s'
+ ' pygobject_register_wrapper((PyObject *)self);\n'
+ ' return 0;\n'
+ '}\n\n'
+ )
+
+ method_tmpl = (
+ 'static PyObject *\n'
+ '_wrap_%(cname)s(PyGObject *self%(extraparams)s)\n'
+ '{\n'
+ '%(varlist)s'
+ '%(parseargs)s'
+ '%(codebefore)s'
+ ' %(begin_allow_threads)s\n'
+ ' %(setreturn)s%(cname)s(%(cast)s(self->obj)%(arglist)s);\n'
+ ' %(end_allow_threads)s\n'
+ '%(codeafter)s\n'
+ '}\n\n'
+ )
+ def __init__(self, parser, objinfo, overrides, fp=FileOutput(sys.stdout)):
+ Wrapper.__init__(self, parser, objinfo, overrides, fp)
+ if self.objinfo:
+ self.castmacro = string.replace(self.objinfo.typecode,
+ '_TYPE_', '_', 1)
+
+ def get_initial_class_substdict(self):
+ return { 'tp_basicsize' : 'PyGObject',
+ 'tp_weaklistoffset' : 'offsetof(PyGObject, weakreflist)',
+ 'tp_dictoffset' : 'offsetof(PyGObject, inst_dict)' }
+
+ def get_field_accessor(self, fieldname):
+ castmacro = string.replace(self.objinfo.typecode, '_TYPE_', '_', 1)
+ return '%s(pygobject_get(self))->%s' % (castmacro, fieldname)
+
+ def get_initial_constructor_substdict(self, constructor):
+ substdict = Wrapper.get_initial_constructor_substdict(self,
+ constructor)
+ if not constructor.caller_owns_return:
+ substdict['aftercreate'] = " g_object_ref(self->obj);\n"
+ else:
+ substdict['aftercreate'] = ''
+ return substdict
+
+ def get_initial_method_substdict(self, method):
+ substdict = Wrapper.get_initial_method_substdict(self, method)
+ substdict['cast'] = string.replace(self.objinfo.typecode,
+ '_TYPE_', '_', 1)
+ return substdict
+
+ def write_default_constructor(self):
+ try:
+ parent = self.parser.find_object(self.objinfo.parent)
+ except ValueError:
+ parent = None
+ if parent is not None:
+ ## just like the constructor is inheritted, we should
+ # inherit the new API compatibility flag
+ self.objinfo.has_new_constructor_api = (
+ parent.has_new_constructor_api)
+ elif self.objinfo.parent == 'GObject':
+ self.objinfo.has_new_constructor_api = True
+ return '0'
+
+ def write_property_based_constructor(self, constructor):
+ self.objinfo.has_new_constructor_api = True
+ out = self.fp
+ print >> out, "static int"
+ print >> out, '_wrap_%s(PyGObject *self, PyObject *args,' \
+ ' PyObject *kwargs)\n{' % constructor.c_name
+ if constructor.params:
+ s = " GType obj_type = pyg_type_from_object((PyObject *) self);"
+ print >> out, s
+
+ def py_str_list_to_c(arg):
+ if arg:
+ return "{" + ", ".join(
+ map(lambda s: '"' + s + '"', arg)) + ", NULL }"
+ else:
+ return "{ NULL }"
+
+ classname = '%s.%s' % (self.overrides.modulename,
+ self.objinfo.name)
+
+ if constructor.params:
+ mandatory_arguments = [param for param in constructor.params
+ if not param.optional]
+ optional_arguments = [param for param in constructor.params
+ if param.optional]
+ arg_names = py_str_list_to_c(
+ [param.argname
+ for param in mandatory_arguments + optional_arguments])
+
+ prop_names = py_str_list_to_c(
+ [param.pname
+ for param in mandatory_arguments + optional_arguments])
+
+ print >> out, " GParameter params[%i];" % \
+ len(constructor.params)
+ print >> out, " PyObject *parsed_args[%i] = {NULL, };" % \
+ len(constructor.params)
+ print >> out, " char *arg_names[] = %s;" % arg_names
+ print >> out, " char *prop_names[] = %s;" % prop_names
+ print >> out, " guint nparams, i;"
+ print >> out
+ if constructor.deprecated is not None:
+ out.write(
+ ' if (PyErr_Warn(PyExc_DeprecationWarning, '
+ '"%s") < 0)\n' %
+ constructor.deprecated)
+ print >> out, ' return -1;'
+ print >> out
+ out.write(" if (!PyArg_ParseTupleAndKeywords(args, kwargs, ")
+ template = '"'
+ if mandatory_arguments:
+ template += "O"*len(mandatory_arguments)
+ if optional_arguments:
+ template += "|" + "O"*len(optional_arguments)
+ template += ':%s.__init__"' % classname
+ print >> out, template, ", arg_names",
+ for i in range(len(constructor.params)):
+ print >> out, ", &parsed_args[%i]" % i,
+
+ out.write(
+ "))\n"
+ " return -1;\n"
+ "\n"
+ " memset(params, 0, sizeof(GParameter)*%i);\n"
+ " if (!pyg_parse_constructor_args(obj_type, arg_names,\n"
+ " prop_names, params, \n"
+ " &nparams, parsed_args))\n"
+ " return -1;\n"
+ " pygobject_constructv(self, nparams, params);\n"
+ " for (i = 0; i < nparams; ++i)\n"
+ " g_value_unset(&params[i].value);\n"
+ % len(constructor.params))
+ else:
+ out.write(
+ " static char* kwlist[] = { NULL };\n"
+ "\n")
+
+ if constructor.deprecated is not None:
+ out.write(
+ ' if (PyErr_Warn(PyExc_DeprecationWarning, "%s") < 0)\n'
+ ' return -1;\n'
+ '\n' % constructor.deprecated)
+
+ out.write(
+ ' if (!PyArg_ParseTupleAndKeywords(args, kwargs,\n'
+ ' ":%s.__init__",\n'
+ ' kwlist))\n'
+ ' return -1;\n'
+ '\n'
+ ' pygobject_constructv(self, 0, NULL);\n' % classname)
+ out.write(
+ ' if (!self->obj) {\n'
+ ' PyErr_SetString(\n'
+ ' PyExc_RuntimeError, \n'
+ ' "could not create %s object");\n'
+ ' return -1;\n'
+ ' }\n' % classname)
+
+ if not constructor.caller_owns_return:
+ print >> out, " g_object_ref(self->obj);\n"
+
+ out.write(
+ ' return 0;\n'
+ '}\n\n')
+
+ return "_wrap_%s" % constructor.c_name
+
+
+## TODO : Add GstMiniObjectWrapper(Wrapper)
+class GstMiniObjectWrapper(Wrapper):
+ constructor_tmpl = (
+ 'static int\n'
+ '_wrap_%(cname)s(PyGstMiniObject *self%(extraparams)s)\n'
+ '{\n'
+ '%(varlist)s'
+ '%(parseargs)s'
+ '%(codebefore)s'
+ ' self->obj = (GstMiniObject *)%(cname)s(%(arglist)s);\n'
+ '%(codeafter)s\n'
+ ' if (!self->obj) {\n'
+ ' PyErr_SetString(PyExc_RuntimeError, '
+ '"could not create %(typename)s miniobject");\n'
+ ' return -1;\n'
+ ' }\n'
+ '%(aftercreate)s'
+ ' pygstminiobject_register_wrapper((PyObject *)self);\n'
+ ' return 0;\n'
+ '}\n\n'
+ )
+ method_tmpl = (
+ 'static PyObject *\n'
+ '_wrap_%(cname)s(PyGstMiniObject *self%(extraparams)s)\n'
+ '{\n'
+ '%(varlist)s'
+ '%(parseargs)s'
+ '%(codebefore)s'
+ ' %(begin_allow_threads)s\n'
+ ' %(setreturn)s%(cname)s(%(cast)s(self->obj)%(arglist)s);\n'
+ ' %(end_allow_threads)s\n'
+ '%(codeafter)s\n'
+ '}\n\n'
+ )
+ def __init__(self, parser, objinfo, overrides, fp=FileOutput(sys.stdout)):
+ Wrapper.__init__(self, parser, objinfo, overrides, fp)
+ if self.objinfo:
+ self.castmacro = string.replace(self.objinfo.typecode,
+ '_TYPE_', '_', 1)
+
+ def get_initial_class_substdict(self):
+ return { 'tp_basicsize' : 'PyGstMiniObject',
+ 'tp_weaklistoffset' : 'offsetof(PyGstMiniObject, weakreflist)',
+ 'tp_dictoffset' : 'offsetof(PyGstMiniObject, inst_dict)' }
+
+ def get_field_accessor(self, fieldname):
+ castmacro = string.replace(self.objinfo.typecode, '_TYPE_', '_', 1)
+ return '%s(pygstminiobject_get(self))->%s' % (castmacro, fieldname)
+
+ def get_initial_constructor_substdict(self, constructor):
+ substdict = Wrapper.get_initial_constructor_substdict(self,
+ constructor)
+ if not constructor.caller_owns_return:
+ substdict['aftercreate'] = " gst_mini_object_ref(self->obj);\n"
+ else:
+ substdict['aftercreate'] = ''
+ return substdict
+
+ def get_initial_method_substdict(self, method):
+ substdict = Wrapper.get_initial_method_substdict(self, method)
+ substdict['cast'] = string.replace(self.objinfo.typecode,
+ '_TYPE_', '_', 1)
+ return substdict
+
+
+
+class GInterfaceWrapper(GObjectWrapper):
+ virtual_accessor_tmpl = (
+ 'static PyObject *\n'
+ '_wrap_%(cname)s(PyObject *cls%(extraparams)s)\n'
+ '{\n'
+ ' %(vtable)s *iface;\n'
+ '%(varlist)s'
+ '%(parseargs)s'
+ '%(codebefore)s'
+ ' iface = g_type_interface_peek('
+ 'g_type_class_peek(pyg_type_from_object(cls)), %(typecode)s);\n'
+ ' if (iface->%(virtual)s)\n'
+ ' %(setreturn)siface->%(virtual)s(%(arglist)s);\n'
+ ' else {\n'
+ ' PyErr_SetString(PyExc_NotImplementedError, '
+ '"interface method %(name)s not implemented");\n'
+ ' return NULL;\n'
+ ' }\n'
+ '%(codeafter)s\n'
+ '}\n\n'
+ )
+
+ def get_initial_class_substdict(self):
+ return { 'tp_basicsize' : 'PyObject',
+ 'tp_weaklistoffset' : '0',
+ 'tp_dictoffset' : '0'}
+
+ def write_constructor(self):
+ # interfaces have no constructors ...
+ return '0'
+ def write_getsets(self):
+ # interfaces have no fields ...
+ return '0'
+
+ def _get_class_virtual_substdict(self, meth, cname, parent):
+ substdict = self.get_initial_method_substdict(meth)
+ substdict['virtual'] = substdict['name'].split('.')[1]
+ substdict['cname'] = cname
+ substdict['typecode'] = self.objinfo.typecode
+ substdict['vtable'] = self.objinfo.vtable
+ return substdict
+
+ def write_virtuals(self):
+ ## Now write reverse method wrappers, which let python code
+ ## implement interface methods.
+ # First, get methods from the defs files
+ klass = self.objinfo.c_name
+ proxies = []
+ for meth in self.parser.find_virtuals(self.objinfo):
+ method_name = self.objinfo.c_name + "__proxy_do_" + meth.name
+ if self.overrides.is_ignored(method_name):
+ continue
+ try:
+ if self.overrides.is_overriden(method_name):
+ if not self.overrides.is_already_included(method_name):
+ data = self.overrides.override(method_name)
+ self.write_function(method_name, data)
+ else:
+ # write proxy ...
+ ret, props = argtypes.matcher.get_reverse_ret(meth.ret)
+ wrapper = reversewrapper.ReverseWrapper(
+ '_wrap_' + method_name, is_static=True)
+ wrapper.set_return_type(ret(wrapper, **props))
+ wrapper.add_parameter(reversewrapper.PyGObjectMethodParam(
+ wrapper, "self", method_name="do_" + meth.name,
+ c_type=(klass + ' *')))
+ for param in meth.params:
+ handler, props = argtypes.matcher.get_reverse(
+ param.ptype)
+ props["direction"] = param.pdir
+ wrapper.add_parameter(
+ handler(wrapper, param.pname, **props))
+ buf = reversewrapper.MemoryCodeSink()
+ wrapper.generate(buf)
+ self.fp.write(buf.flush())
+ proxies.append((fixname(meth.name), '_wrap_' + method_name))
+ iproxies_coverage.declare_wrapped()
+ except (KeyError, ValueError):
+ iproxies_coverage.declare_not_wrapped()
+ proxies.append((fixname(meth.name), None))
+ sys.stderr.write('Could not write interface proxy %s.%s: %s\n'
+ % (klass, meth.name, exc_info()))
+
+ if not proxies:
+ return
+
+ # Make sure we have at least one proxy function
+ if not [cname for name,cname in proxies if not cname is None]:
+ return
+
+ ## Write an interface init function for this object
+ funcname = "__%s__interface_init" % klass
+ vtable = self.objinfo.vtable
+ self.fp.write(
+ '\nstatic void\n'
+ '%(funcname)s(%(vtable)s *iface, PyTypeObject *pytype)\n'
+ '{\n'
+ ' %(vtable)s *parent_iface = '
+ 'g_type_interface_peek_parent(iface);\n'
+ ' PyObject *py_method;\n'
+ '\n'
+ % vars())
+
+ for name, cname in proxies:
+ do_name = 'do_' + name
+ if cname is None:
+ continue
+
+ self.fp.write((
+ ' py_method = pytype? PyObject_GetAttrString('
+ '(PyObject *) pytype, "%(do_name)s") : NULL;\n'
+ ' if (py_method && !PyObject_TypeCheck(py_method, '
+ '&PyCFunction_Type)) {\n'
+ ' iface->%(name)s = %(cname)s;\n'
+ ' } else {\n'
+ ' PyErr_Clear();\n'
+ ' if (parent_iface) {\n'
+ ' iface->%(name)s = parent_iface->%(name)s;\n'
+ ' }\n'
+ ' Py_XDECREF(py_method);\n'
+ ' }\n'
+ ) % vars())
+ self.fp.write('}\n\n')
+ interface_info = "__%s__iinfo" % klass
+ self.fp.write('''
+static const GInterfaceInfo %s = {
+ (GInterfaceInitFunc) %s,
+ NULL,
+ NULL
+};
+''' % (interface_info, funcname))
+ self.objinfo.interface_info = interface_info
+
+class GBoxedWrapper(Wrapper):
+ constructor_tmpl = (
+ 'static int\n'
+ '_wrap_%(cname)s(PyGBoxed *self%(extraparams)s)\n'
+ '{\n' \
+ '%(varlist)s'
+ '%(parseargs)s'
+ '%(codebefore)s'
+ ' self->gtype = %(typecode)s;\n'
+ ' self->free_on_dealloc = FALSE;\n'
+ ' self->boxed = %(cname)s(%(arglist)s);\n'
+ '%(codeafter)s\n'
+ ' if (!self->boxed) {\n'
+ ' PyErr_SetString(PyExc_RuntimeError, '
+ '"could not create %(typename)s object");\n'
+ ' return -1;\n'
+ ' }\n'
+ ' self->free_on_dealloc = TRUE;\n'
+ ' return 0;\n'
+ '}\n\n'
+ )
+
+ method_tmpl = (
+ 'static PyObject *\n'
+ '_wrap_%(cname)s(PyObject *self%(extraparams)s)\n'
+ '{\n'
+ '%(varlist)s'
+ '%(parseargs)s'
+ '%(codebefore)s'
+ ' %(begin_allow_threads)s\n'
+ ' %(setreturn)s%(cname)s(pyg_boxed_get(self, '
+ '%(typename)s)%(arglist)s);\n'
+ ' %(end_allow_threads)s\n'
+ '%(codeafter)s\n'
+ '}\n\n'
+ )
+
+ def get_initial_class_substdict(self):
+ return { 'tp_basicsize' : 'PyGBoxed',
+ 'tp_weaklistoffset' : '0',
+ 'tp_dictoffset' : '0' }
+
+ def get_field_accessor(self, fieldname):
+ return 'pyg_boxed_get(self, %s)->%s' % (self.objinfo.c_name, fieldname)
+
+ def get_initial_constructor_substdict(self, constructor):
+ substdict = Wrapper.get_initial_constructor_substdict(
+ self, constructor)
+ substdict['typecode'] = self.objinfo.typecode
+ return substdict
+
+class GPointerWrapper(GBoxedWrapper):
+ constructor_tmpl = (
+ 'static int\n'
+ '_wrap_%(cname)s(PyGPointer *self%(extraparams)s)\n'
+ '{\n'
+ '%(varlist)s'
+ '%(parseargs)s'
+ '%(codebefore)s'
+ ' self->gtype = %(typecode)s;\n'
+ ' self->pointer = %(cname)s(%(arglist)s);\n'
+ '%(codeafter)s\n'
+ ' if (!self->pointer) {\n'
+ ' PyErr_SetString(PyExc_RuntimeError, '
+ '"could not create %(typename)s object");\n'
+ ' return -1;\n'
+ ' }\n'
+ ' return 0;\n'
+ '}\n\n'
+ )
+
+ method_tmpl = (
+ 'static PyObject *\n'
+ '_wrap_%(cname)s(PyObject *self%(extraparams)s)\n'
+ '{\n'
+ '%(varlist)s'
+ '%(parseargs)s'
+ '%(codebefore)s'
+ ' %(setreturn)s%(cname)s(pyg_pointer_get(self, '
+ '%(typename)s)%(arglist)s);\n'
+ '%(codeafter)s\n'
+ '}\n\n'
+ )
+
+ def get_initial_class_substdict(self):
+ return { 'tp_basicsize' : 'PyGPointer',
+ 'tp_weaklistoffset' : '0',
+ 'tp_dictoffset' : '0' }
+
+ def get_field_accessor(self, fieldname):
+ return 'pyg_pointer_get(self, %s)->%s' % (self.objinfo.c_name,
+ fieldname)
+
+ def get_initial_constructor_substdict(self, constructor):
+ substdict = Wrapper.get_initial_constructor_substdict(
+ self, constructor)
+ substdict['typecode'] = self.objinfo.typecode
+ return substdict
+
+def write_headers(data, fp):
+ fp.write('/* -- THIS FILE IS GENERATED - DO NOT EDIT */')
+ fp.write('/* -*- Mode: C; c-basic-offset: 4 -*- */\n\n')
+ fp.write('#include <Python.h>\n\n\n')
+ fp.write(data)
+ fp.resetline()
+ fp.write('\n\n')
+
+def write_body(data, fp):
+ fp.write(data)
+ fp.resetline()
+ fp.write('\n\n')
+
+def write_imports(overrides, fp):
+ fp.write('/* ---------- types from other modules ---------- */\n')
+ for module, pyname, cname in overrides.get_imports():
+ fp.write('static PyTypeObject *_%s;\n' % cname)
+ fp.write('#define %s (*_%s)\n' % (cname, cname))
+ fp.write('\n\n')
+
+def write_type_declarations(parser, fp):
+ fp.write('/* ---------- forward type declarations ---------- */\n')
+ for obj in parser.boxes:
+ fp.write('PyTypeObject Py' + obj.c_name + '_Type;\n')
+ for obj in parser.objects:
+ fp.write('PyTypeObject Py' + obj.c_name + '_Type;\n')
+ for obj in parser.miniobjects:
+ fp.write('PyTypeObject Py' + obj.c_name + '_Type;\n')
+ for interface in parser.interfaces:
+ fp.write('PyTypeObject Py' + interface.c_name + '_Type;\n')
+ fp.write('\n')
+
+
+def sort_parent_children(objects):
+ objects = list(objects)
+ modified = True
+ while modified:
+ modified = False
+ parent_index = None
+ child_index = None
+ for i, obj in enumerate(objects):
+ if obj.parent == 'GObject':
+ continue
+ if obj.parent not in [info.c_name for info in objects[:i]]:
+ for j, info in enumerate(objects[i+1:]):
+ if info.c_name == obj.parent:
+ parent_index = i + 1 + j
+ child_index = i
+ break
+ else:
+ continue
+ break
+ if child_index is not None and parent_index is not None:
+ if child_index != parent_index:
+ objects.insert(child_index, objects.pop(parent_index))
+ modified = True
+ return objects
+
+def write_classes(parser, overrides, fp):
+ ## Sort the objects, so that we generate code for the parent types
+ ## before their children.
+ objects = sort_parent_children(parser.objects)
+ for klass, items in ((GBoxedWrapper, parser.boxes),
+ (GPointerWrapper, parser.pointers),
+ (GObjectWrapper, objects),
+ (GstMiniObjectWrapper, parser.miniobjects),
+ (GInterfaceWrapper, parser.interfaces)):
+ for item in items:
+ instance = klass(parser, item, overrides, fp)
+ instance.write_class()
+ fp.write('\n')
+
+def write_enums(parser, overrides, prefix, fp=sys.stdout):
+ if not parser.enums:
+ return
+ fp.write('\n/* ----------- enums and flags ----------- */\n\n')
+ fp.write(
+ 'void\n' + prefix +
+ '_add_constants(PyObject *module, const gchar *strip_prefix)\n{\n')
+
+ for enum in parser.enums:
+ if overrides.is_type_ignored(enum.c_name):
+ continue
+ if enum.typecode is None:
+ for nick, value in enum.values:
+ fp.write(
+ ' PyModule_AddIntConstant(module, '
+ '(char *) pyg_constant_strip_prefix("%s", strip_prefix), %s);\n'
+ % (value, value))
+ else:
+ if enum.deftype == 'enum':
+ fp.write(' pyg_enum_add(module, "%s", strip_prefix, %s);\n'
+ % (enum.name, enum.typecode))
+ else:
+ fp.write(' pyg_flags_add(module, "%s", strip_prefix, %s);\n'
+ % (enum.name, enum.typecode))
+
+ fp.write('\n')
+ fp.write(' if (PyErr_Occurred())\n')
+ fp.write(' PyErr_Print();\n')
+ fp.write('}\n\n')
+
+def write_extension_init(overrides, prefix, fp):
+ fp.write('/* initialise stuff extension classes */\n')
+ fp.write('void\n' + prefix + '_register_classes(PyObject *d)\n{\n')
+ imports = overrides.get_imports()[:]
+ if imports:
+ bymod = {}
+ for module, pyname, cname in imports:
+ bymod.setdefault(module, []).append((pyname, cname))
+ fp.write(' PyObject *module;\n\n')
+ for module in bymod:
+ fp.write(
+ ' if ((module = PyImport_ImportModule("%s")) != NULL) {\n'
+ % module)
+ fp.write(
+ ' PyObject *moddict = PyModule_GetDict(module);\n\n')
+ for pyname, cname in bymod[module]:
+ fp.write(
+ ' _%s = (PyTypeObject *)PyDict_GetItemString('
+ 'moddict, "%s");\n' % (cname, pyname))
+ fp.write(' if (_%s == NULL) {\n' % cname)
+ fp.write(' PyErr_SetString(PyExc_ImportError,\n')
+ fp.write(' "cannot import name %s from %s");\n'
+ % (pyname, module))
+ fp.write(' return;\n')
+ fp.write(' }\n')
+ fp.write(' } else {\n')
+ fp.write(' PyErr_SetString(PyExc_ImportError,\n')
+ fp.write(' "could not import %s");\n' % module)
+ fp.write(' return;\n')
+ fp.write(' }\n')
+ fp.write('\n')
+ fp.write(overrides.get_init() + '\n')
+ fp.resetline()
+
+def write_registers(parser, overrides, fp):
+ for boxed in parser.boxes:
+ if overrides.is_type_ignored(boxed.c_name):
+ continue
+ fp.write(' pyg_register_boxed(d, "' + boxed.name +
+ '", ' + boxed.typecode +
+ ', &Py' + boxed.c_name +
+ '_Type);\n')
+ for pointer in parser.pointers:
+ if overrides.is_type_ignored(pointer.c_name):
+ continue
+ fp.write(' pyg_register_pointer(d, "' + pointer.name +
+ '", ' + pointer.typecode +
+ ', &Py' + pointer.c_name + '_Type);\n')
+ for interface in parser.interfaces:
+ if overrides.is_type_ignored(interface.c_name):
+ continue
+ fp.write(' pyg_register_interface(d, "' + interface.name +
+ '", '+ interface.typecode + ', &Py' + interface.c_name +
+ '_Type);\n')
+ if interface.interface_info is not None:
+ fp.write(' pyg_register_interface_info(%s, &%s);\n' %
+ (interface.typecode, interface.interface_info))
+
+ objects = parser.objects[:]
+ pos = 0
+ while pos < len(objects):
+ parent = objects[pos].parent
+ for i in range(pos+1, len(objects)):
+ if objects[i].c_name == parent:
+ objects.insert(i+1, objects[pos])
+ del objects[pos]
+ break
+ else:
+ pos = pos + 1
+ for obj in objects:
+ if overrides.is_type_ignored(obj.c_name):
+ continue
+ bases = []
+ if obj.parent != None:
+ bases.append(obj.parent)
+ bases = bases + obj.implements
+ if bases:
+ fp.write(' pygobject_register_class(d, "' + obj.c_name +
+ '", ' + obj.typecode + ', &Py' + obj.c_name +
+ '_Type, Py_BuildValue("(' + 'O' * len(bases) + ')", ' +
+ string.join(map(lambda s: '&Py'+s+'_Type', bases), ', ') +
+ '));\n')
+ else:
+ fp.write(' pygobject_register_class(d, "' + obj.c_name +
+ '", ' + obj.typecode + ', &Py' + obj.c_name +
+ '_Type, NULL);\n')
+ if obj.has_new_constructor_api:
+ fp.write(' pyg_set_object_has_new_constructor(%s);\n' %
+ obj.typecode)
+ else:
+ print >> sys.stderr, (
+ "Warning: Constructor for %s needs to be updated to new API\n"
+ " See http://live.gnome.org/PyGTK_2fWhatsNew28"
+ "#update-constructors") % obj.c_name
+ if obj.class_init_func is not None:
+ fp.write(' pyg_register_class_init(%s, %s);\n' %
+ (obj.typecode, obj.class_init_func))
+ #TODO: register mini-objects
+ miniobjects = parser.miniobjects[:]
+ for obj in miniobjects:
+ bases = []
+ if obj.parent != None:
+ bases.append(obj.parent)
+ bases = bases + obj.implements
+ if bases:
+ fp.write(' pygstminiobject_register_class(d, "' + obj.c_name +
+ '", ' + obj.typecode + ', &Py' + obj.c_name +
+ '_Type, Py_BuildValue("(' + 'O' * len(bases) + ')", ' +
+ string.join(map(lambda s: '&Py'+s+'_Type', bases), ', ') +
+ '));\n')
+ else:
+ fp.write(' pygstminiobject_register_class(d, "' + obj.c_name +
+ '", ' + obj.typecode + ', &Py' + obj.c_name +
+ '_Type, NULL);\n')
+
+ fp.write('}\n')
+
+def write_source(parser, overrides, prefix, fp=FileOutput(sys.stdout)):
+ write_headers(overrides.get_headers(), fp)
+ write_imports(overrides, fp)
+ write_type_declarations(parser, fp)
+ write_body(overrides.get_body(), fp)
+ write_classes(parser, overrides, fp)
+
+ wrapper = Wrapper(parser, None, overrides, fp)
+ wrapper.write_functions(prefix)
+
+ write_enums(parser, overrides, prefix, fp)
+ write_extension_init(overrides, prefix, fp)
+ write_registers(parser, overrides, fp)
+
+def register_types(parser):
+ for boxed in parser.boxes:
+ argtypes.matcher.register_boxed(boxed.c_name, boxed.typecode)
+ for pointer in parser.pointers:
+ argtypes.matcher.register_pointer(pointer.c_name, pointer.typecode)
+ for obj in parser.objects:
+ argtypes.matcher.register_object(obj.c_name, obj.parent, obj.typecode)
+ for obj in parser.miniobjects:
+ argtypes.matcher.register_miniobject(obj.c_name, obj.parent, obj.typecode)
+ for obj in parser.interfaces:
+ argtypes.matcher.register_object(obj.c_name, None, obj.typecode)
+ for enum in parser.enums:
+ if enum.deftype == 'flags':
+ argtypes.matcher.register_flag(enum.c_name, enum.typecode)
+ else:
+ argtypes.matcher.register_enum(enum.c_name, enum.typecode)
+
+usage = 'usage: codegen.py [-o overridesfile] [-p prefix] defsfile'
+def main(argv):
+ o = override.Overrides()
+ prefix = 'pygtk'
+ outfilename = None
+ errorfilename = None
+ extendpath = []
+ opts, args = getopt.getopt(argv[1:], "o:p:r:t:D:x",
+ ["override=", "prefix=", "register=", "outfilename=",
+ "load-types=", "errorfilename=", "extendpath="])
+ defines = {} # -Dkey[=val] options
+
+ for opt, arg in opts:
+ if opt in ('-x', '--extendpath'):
+ extendpath.append(arg)
+ extendpath.insert(0, os.getcwd())
+ o = override.Overrides(path=extendpath)
+
+ for opt, arg in opts:
+ if opt in ('-o', '--override'):
+ o = override.Overrides(arg, path=extendpath)
+ elif opt in ('-p', '--prefix'):
+ prefix = arg
+ elif opt in ('-r', '--register'):
+ # Warning: user has to make sure all -D options appear before -r
+ p = defsparser.DefsParser(arg, defines)
+ p.startParsing()
+ register_types(p)
+ del p
+ elif opt == '--outfilename':
+ outfilename = arg
+ elif opt == '--errorfilename':
+ errorfilename = arg
+ elif opt in ('-t', '--load-types'):
+ globals = {}
+ execfile(arg, globals)
+ elif opt == '-D':
+ nameval = arg.split('=')
+ try:
+ defines[nameval[0]] = nameval[1]
+ except IndexError:
+ defines[nameval[0]] = None
+ if len(args) < 1:
+ print >> sys.stderr, usage
+ return 1
+ if errorfilename:
+ sys.stderr = open(errorfilename, "w")
+ p = defsparser.DefsParser(args[0], defines)
+ if not outfilename:
+ outfilename = os.path.splitext(args[0])[0] + '.c'
+
+ p.startParsing()
+
+ register_types(p)
+ write_source(p, o, prefix, FileOutput(sys.stdout, outfilename))
+
+ functions_coverage.printstats()
+ methods_coverage.printstats()
+ vproxies_coverage.printstats()
+ vaccessors_coverage.printstats()
+ iproxies_coverage.printstats()
+
+if __name__ == '__main__':
+ sys.exit(main(sys.argv))
diff --git a/bindings/python/codegen/definitions.py b/bindings/python/codegen/definitions.py
new file mode 100644
index 0000000..911c8dd
--- /dev/null
+++ b/bindings/python/codegen/definitions.py
@@ -0,0 +1,607 @@
+# -*- Mode: Python; py-indent-offset: 4 -*-
+import copy
+import sys
+
+def get_valid_scheme_definitions(defs):
+ return [x for x in defs if isinstance(x, tuple) and len(x) >= 2]
+
+def unescape(s):
+ s = s.replace('\r\n', '\\r\\n').replace('\t', '\\t')
+ return s.replace('\r', '\\r').replace('\n', '\\n')
+
+def make_docstring(lines):
+ return "(char *) " + '\n'.join(['"%s"' % unescape(s) for s in lines])
+
+# New Parameter class, wich emulates a tuple for compatibility reasons
+class Parameter(object):
+ def __init__(self, ptype, pname, pdflt, pnull, pdir=None, keeprefcount = False):
+ self.ptype = ptype
+ self.pname = pname
+ self.pdflt = pdflt
+ self.pnull = pnull
+ self.pdir = pdir
+ self.keeprefcount = keeprefcount
+
+ def __len__(self): return 4
+ def __getitem__(self, i):
+ return (self.ptype, self.pname, self.pdflt, self.pnull)[i]
+
+ def merge(self, old):
+ if old.pdflt is not None:
+ self.pdflt = old.pdflt
+ if old.pnull is not None:
+ self.pnull = old.pnull
+
+# Parameter for property based constructors
+class Property(object):
+ def __init__(self, pname, optional, argname):
+ self.pname = pname
+ self.optional = optional
+ self.argname = argname
+
+ def merge(self, old):
+ if old.optional is not None:
+ self.optional = old.optional
+ if old.argname is not None:
+ self.argname = old.argname
+
+
+class Definition:
+ docstring = "NULL"
+ def __init__(self, *args):
+ """Create a new defs object of this type. The arguments are the
+ components of the definition"""
+ raise RuntimeError, "this is an abstract class"
+ def merge(self, old):
+ """Merge in customisations from older version of definition"""
+ raise RuntimeError, "this is an abstract class"
+ def write_defs(self, fp=sys.stdout):
+ """write out this definition in defs file format"""
+ raise RuntimeError, "this is an abstract class"
+
+ def guess_return_value_ownership(self):
+ "return 1 if caller owns return value"
+ if getattr(self, 'is_constructor_of', False):
+ self.caller_owns_return = True
+ elif self.ret in ('char*', 'gchar*', 'string'):
+ self.caller_owns_return = True
+ else:
+ self.caller_owns_return = False
+
+
+class ObjectDef(Definition):
+ def __init__(self, name, *args):
+ self.name = name
+ self.module = None
+ self.parent = None
+ self.c_name = None
+ self.typecode = None
+ self.fields = []
+ self.implements = []
+ self.class_init_func = None
+ self.has_new_constructor_api = False
+ for arg in get_valid_scheme_definitions(args):
+ if arg[0] == 'in-module':
+ self.module = arg[1]
+ elif arg[0] == 'docstring':
+ self.docstring = make_docstring(arg[1:])
+ elif arg[0] == 'parent':
+ self.parent = arg[1]
+ elif arg[0] == 'c-name':
+ self.c_name = arg[1]
+ elif arg[0] == 'gtype-id':
+ self.typecode = arg[1]
+ elif arg[0] == 'fields':
+ for parg in arg[1:]:
+ self.fields.append((parg[0], parg[1]))
+ elif arg[0] == 'implements':
+ self.implements.append(arg[1])
+ def merge(self, old):
+ # currently the .h parser doesn't try to work out what fields of
+ # an object structure should be public, so we just copy the list
+ # from the old version ...
+ self.fields = old.fields
+ self.implements = old.implements
+ def write_defs(self, fp=sys.stdout):
+ fp.write('(define-object ' + self.name + '\n')
+ if self.module:
+ fp.write(' (in-module "' + self.module + '")\n')
+ if self.parent != (None, None):
+ fp.write(' (parent "' + self.parent + '")\n')
+ for interface in self.implements:
+ fp.write(' (implements "' + interface + '")\n')
+ if self.c_name:
+ fp.write(' (c-name "' + self.c_name + '")\n')
+ if self.typecode:
+ fp.write(' (gtype-id "' + self.typecode + '")\n')
+ if self.fields:
+ fp.write(' (fields\n')
+ for (ftype, fname) in self.fields:
+ fp.write(' \'("' + ftype + '" "' + fname + '")\n')
+ fp.write(' )\n')
+ fp.write(')\n\n')
+
+class MiniObjectDef(Definition):
+ def __init__(self, name, *args):
+ self.name = name
+ self.module = None
+ self.parent = None
+ self.c_name = None
+ self.typecode = None
+ self.fields = []
+ self.implements = []
+ for arg in args:
+ if type(arg) != type(()) or len(arg) < 2:
+ continue
+ if arg[0] == 'in-module':
+ self.module = arg[1]
+ elif arg[0] == 'parent':
+ self.parent = arg[1]
+ elif arg[0] == 'c-name':
+ self.c_name = arg[1]
+ elif arg[0] == 'gtype-id':
+ self.typecode = arg[1]
+ elif arg[0] == 'fields':
+ for parg in arg[1:]:
+ self.fields.append((parg[0], parg[1]))
+ elif arg[0] == 'implements':
+ self.implements.append(arg[1])
+ def merge(self, old):
+ # currently the .h parser doesn't try to work out what fields of
+ # an object structure should be public, so we just copy the list
+ # from the old version ...
+ self.fields = old.fields
+ self.implements = old.implements
+ def write_defs(self, fp=sys.stdout):
+ fp.write('(define-object ' + self.name + '\n')
+ if self.module:
+ fp.write(' (in-module "' + self.module + '")\n')
+ if self.parent != (None, None):
+ fp.write(' (parent "' + self.parent + '")\n')
+ for interface in self.implements:
+ fp.write(' (implements "' + interface + '")\n')
+ if self.c_name:
+ fp.write(' (c-name "' + self.c_name + '")\n')
+ if self.typecode:
+ fp.write(' (gtype-id "' + self.typecode + '")\n')
+ if self.fields:
+ fp.write(' (fields\n')
+ for (ftype, fname) in self.fields:
+ fp.write(' \'("' + ftype + '" "' + fname + '")\n')
+ fp.write(' )\n')
+ fp.write(')\n\n')
+
+
+class InterfaceDef(Definition):
+ def __init__(self, name, *args):
+ self.name = name
+ self.module = None
+ self.c_name = None
+ self.typecode = None
+ self.vtable = None
+ self.fields = []
+ self.interface_info = None
+ for arg in get_valid_scheme_definitions(args):
+ if arg[0] == 'in-module':
+ self.module = arg[1]
+ elif arg[0] == 'docstring':
+ self.docstring = make_docstring(arg[1:])
+ elif arg[0] == 'c-name':
+ self.c_name = arg[1]
+ elif arg[0] == 'gtype-id':
+ self.typecode = arg[1]
+ elif arg[0] == 'vtable':
+ self.vtable = arg[1]
+ if self.vtable is None:
+ self.vtable = self.c_name + "Iface"
+ def write_defs(self, fp=sys.stdout):
+ fp.write('(define-interface ' + self.name + '\n')
+ if self.module:
+ fp.write(' (in-module "' + self.module + '")\n')
+ if self.c_name:
+ fp.write(' (c-name "' + self.c_name + '")\n')
+ if self.typecode:
+ fp.write(' (gtype-id "' + self.typecode + '")\n')
+ fp.write(')\n\n')
+
+class EnumDef(Definition):
+ def __init__(self, name, *args):
+ self.deftype = 'enum'
+ self.name = name
+ self.in_module = None
+ self.c_name = None
+ self.typecode = None
+ self.values = []
+ for arg in get_valid_scheme_definitions(args):
+ if arg[0] == 'in-module':
+ self.in_module = arg[1]
+ elif arg[0] == 'c-name':
+ self.c_name = arg[1]
+ elif arg[0] == 'gtype-id':
+ self.typecode = arg[1]
+ elif arg[0] == 'values':
+ for varg in arg[1:]:
+ self.values.append((varg[0], varg[1]))
+ def merge(self, old):
+ pass
+ def write_defs(self, fp=sys.stdout):
+ fp.write('(define-' + self.deftype + ' ' + self.name + '\n')
+ if self.in_module:
+ fp.write(' (in-module "' + self.in_module + '")\n')
+ fp.write(' (c-name "' + self.c_name + '")\n')
+ fp.write(' (gtype-id "' + self.typecode + '")\n')
+ if self.values:
+ fp.write(' (values\n')
+ for name, val in self.values:
+ fp.write(' \'("' + name + '" "' + val + '")\n')
+ fp.write(' )\n')
+ fp.write(')\n\n')
+
+class FlagsDef(EnumDef):
+ def __init__(self, *args):
+ apply(EnumDef.__init__, (self,) + args)
+ self.deftype = 'flags'
+
+class BoxedDef(Definition):
+ def __init__(self, name, *args):
+ self.name = name
+ self.module = None
+ self.c_name = None
+ self.typecode = None
+ self.copy = None
+ self.release = None
+ self.fields = []
+ for arg in get_valid_scheme_definitions(args):
+ if arg[0] == 'in-module':
+ self.module = arg[1]
+ elif arg[0] == 'c-name':
+ self.c_name = arg[1]
+ elif arg[0] == 'gtype-id':
+ self.typecode = arg[1]
+ elif arg[0] == 'copy-func':
+ self.copy = arg[1]
+ elif arg[0] == 'release-func':
+ self.release = arg[1]
+ elif arg[0] == 'fields':
+ for parg in arg[1:]:
+ self.fields.append((parg[0], parg[1]))
+ def merge(self, old):
+ # currently the .h parser doesn't try to work out what fields of
+ # an object structure should be public, so we just copy the list
+ # from the old version ...
+ self.fields = old.fields
+ def write_defs(self, fp=sys.stdout):
+ fp.write('(define-boxed ' + self.name + '\n')
+ if self.module:
+ fp.write(' (in-module "' + self.module + '")\n')
+ if self.c_name:
+ fp.write(' (c-name "' + self.c_name + '")\n')
+ if self.typecode:
+ fp.write(' (gtype-id "' + self.typecode + '")\n')
+ if self.copy:
+ fp.write(' (copy-func "' + self.copy + '")\n')
+ if self.release:
+ fp.write(' (release-func "' + self.release + '")\n')
+ if self.fields:
+ fp.write(' (fields\n')
+ for (ftype, fname) in self.fields:
+ fp.write(' \'("' + ftype + '" "' + fname + '")\n')
+ fp.write(' )\n')
+ fp.write(')\n\n')
+
+class PointerDef(Definition):
+ def __init__(self, name, *args):
+ self.name = name
+ self.module = None
+ self.c_name = None
+ self.typecode = None
+ self.fields = []
+ for arg in get_valid_scheme_definitions(args):
+ if arg[0] == 'in-module':
+ self.module = arg[1]
+ elif arg[0] == 'c-name':
+ self.c_name = arg[1]
+ elif arg[0] == 'gtype-id':
+ self.typecode = arg[1]
+ elif arg[0] == 'fields':
+ for parg in arg[1:]:
+ self.fields.append((parg[0], parg[1]))
+ def merge(self, old):
+ # currently the .h parser doesn't try to work out what fields of
+ # an object structure should be public, so we just copy the list
+ # from the old version ...
+ self.fields = old.fields
+ def write_defs(self, fp=sys.stdout):
+ fp.write('(define-pointer ' + self.name + '\n')
+ if self.module:
+ fp.write(' (in-module "' + self.module + '")\n')
+ if self.c_name:
+ fp.write(' (c-name "' + self.c_name + '")\n')
+ if self.typecode:
+ fp.write(' (gtype-id "' + self.typecode + '")\n')
+ if self.fields:
+ fp.write(' (fields\n')
+ for (ftype, fname) in self.fields:
+ fp.write(' \'("' + ftype + '" "' + fname + '")\n')
+ fp.write(' )\n')
+ fp.write(')\n\n')
+
+class MethodDefBase(Definition):
+ def __init__(self, name, *args):
+ dump = 0
+ self.name = name
+ self.ret = None
+ self.caller_owns_return = None
+ self.unblock_threads = None
+ self.c_name = None
+ self.typecode = None
+ self.of_object = None
+ self.params = [] # of form (type, name, default, nullok)
+ self.varargs = 0
+ self.deprecated = None
+ for arg in get_valid_scheme_definitions(args):
+ if arg[0] == 'of-object':
+ self.of_object = arg[1]
+ elif arg[0] == 'docstring':
+ self.docstring = make_docstring(arg[1:])
+ elif arg[0] == 'c-name':
+ self.c_name = arg[1]
+ elif arg[0] == 'gtype-id':
+ self.typecode = arg[1]
+ elif arg[0] == 'return-type':
+ self.ret = arg[1]
+ elif arg[0] == 'caller-owns-return':
+ self.caller_owns_return = arg[1] in ('t', '#t')
+ elif arg[0] == 'unblock-threads':
+ self.unblock_threads = arg[1] in ('t', '#t')
+ elif arg[0] == 'parameters':
+ for parg in arg[1:]:
+ ptype = parg[0]
+ pname = parg[1]
+ pdflt = None
+ pnull = 0
+ pdir = None
+ keeprefcount = False
+ for farg in parg[2:]:
+ assert isinstance(farg, tuple)
+ if farg[0] == 'default':
+ pdflt = farg[1]
+ elif farg[0] == 'null-ok':
+ pnull = 1
+ elif farg[0] == 'direction':
+ pdir = farg[1]
+ elif farg[0] == 'keep-refcount':
+ keeprefcount = True
+ self.params.append(Parameter(ptype, pname, pdflt, pnull, pdir,
+ keeprefcount=keeprefcount))
+ elif arg[0] == 'varargs':
+ self.varargs = arg[1] in ('t', '#t')
+ elif arg[0] == 'deprecated':
+ self.deprecated = arg[1]
+ else:
+ sys.stderr.write("Warning: %s argument unsupported.\n"
+ % (arg[0]))
+ dump = 1
+ if dump:
+ self.write_defs(sys.stderr)
+
+ if self.caller_owns_return is None and self.ret is not None:
+ self.guess_return_value_ownership()
+
+ def merge(self, old, parmerge):
+ self.caller_owns_return = old.caller_owns_return
+ self.varargs = old.varargs
+ # here we merge extra parameter flags accross to the new object.
+ if not parmerge:
+ self.params = copy.deepcopy(old.params)
+ return
+ for i in range(len(self.params)):
+ ptype, pname, pdflt, pnull = self.params[i]
+ for p2 in old.params:
+ if p2[1] == pname:
+ self.params[i] = (ptype, pname, p2[2], p2[3])
+ break
+ def _write_defs(self, fp=sys.stdout):
+ if self.of_object != (None, None):
+ fp.write(' (of-object "' + self.of_object + '")\n')
+ if self.c_name:
+ fp.write(' (c-name "' + self.c_name + '")\n')
+ if self.typecode:
+ fp.write(' (gtype-id "' + self.typecode + '")\n')
+ if self.caller_owns_return:
+ fp.write(' (caller-owns-return #t)\n')
+ if self.unblock_threads:
+ fp.write(' (unblock_threads #t)\n')
+ if self.ret:
+ fp.write(' (return-type "' + self.ret + '")\n')
+ if self.deprecated:
+ fp.write(' (deprecated "' + self.deprecated + '")\n')
+ if self.params:
+ fp.write(' (parameters\n')
+ for ptype, pname, pdflt, pnull in self.params:
+ fp.write(' \'("' + ptype + '" "' + pname +'"')
+ if pdflt: fp.write(' (default "' + pdflt + '")')
+ if pnull: fp.write(' (null-ok)')
+ fp.write(')\n')
+ fp.write(' )\n')
+ if self.varargs:
+ fp.write(' (varargs #t)\n')
+ fp.write(')\n\n')
+
+
+class MethodDef(MethodDefBase):
+ def __init__(self, name, *args):
+ MethodDefBase.__init__(self, name, *args)
+ for item in ('c_name', 'of_object'):
+ if self.__dict__[item] == None:
+ self.write_defs(sys.stderr)
+ raise RuntimeError, "definition missing required %s" % (item,)
+
+ def write_defs(self, fp=sys.stdout):
+ fp.write('(define-method ' + self.name + '\n')
+ self._write_defs(fp)
+
+class VirtualDef(MethodDefBase):
+ def write_defs(self, fp=sys.stdout):
+ fp.write('(define-virtual ' + self.name + '\n')
+ self._write_defs(fp)
+
+class FunctionDef(Definition):
+ def __init__(self, name, *args):
+ dump = 0
+ self.name = name
+ self.in_module = None
+ self.is_constructor_of = None
+ self.ret = None
+ self.caller_owns_return = None
+ self.unblock_threads = None
+ self.c_name = None
+ self.typecode = None
+ self.params = [] # of form (type, name, default, nullok)
+ self.varargs = 0
+ self.deprecated = None
+ for arg in get_valid_scheme_definitions(args):
+ if arg[0] == 'in-module':
+ self.in_module = arg[1]
+ elif arg[0] == 'docstring':
+ self.docstring = make_docstring(arg[1:])
+ elif arg[0] == 'is-constructor-of':
+ self.is_constructor_of = arg[1]
+ elif arg[0] == 'c-name':
+ self.c_name = arg[1]
+ elif arg[0] == 'gtype-id':
+ self.typecode = arg[1]
+ elif arg[0] == 'return-type':
+ self.ret = arg[1]
+ elif arg[0] == 'caller-owns-return':
+ self.caller_owns_return = arg[1] in ('t', '#t')
+ elif arg[0] == 'unblock-threads':
+ self.unblock_threads = arg[1] in ('t', '#t')
+ elif arg[0] == 'parameters':
+ for parg in arg[1:]:
+ ptype = parg[0]
+ pname = parg[1]
+ pdflt = None
+ pnull = 0
+ keeprefcount = False
+ for farg in parg[2:]:
+ if farg[0] == 'default':
+ pdflt = farg[1]
+ elif farg[0] == 'null-ok':
+ pnull = 1
+ elif farg[0] == 'keep-refcount':
+ keeprefcount = True
+ self.params.append(Parameter(ptype, pname, pdflt, pnull,
+ keeprefcount = keeprefcount))
+ elif arg[0] == 'properties':
+ if self.is_constructor_of is None:
+ print >> sys.stderr, "Warning: (properties ...) "\
+ "is only valid for constructors"
+ for prop in arg[1:]:
+ pname = prop[0]
+ optional = False
+ argname = pname
+ for farg in prop[1:]:
+ if farg[0] == 'optional':
+ optional = True
+ elif farg[0] == 'argname':
+ argname = farg[1]
+ self.params.append(Property(pname, optional, argname))
+ elif arg[0] == 'varargs':
+ self.varargs = arg[1] in ('t', '#t')
+ elif arg[0] == 'deprecated':
+ self.deprecated = arg[1]
+ else:
+ sys.stderr.write("Warning: %s argument unsupported\n"
+ % (arg[0],))
+ dump = 1
+ if dump:
+ self.write_defs(sys.stderr)
+
+ if self.caller_owns_return is None and self.ret is not None:
+ self.guess_return_value_ownership()
+ for item in ('c_name',):
+ if self.__dict__[item] == None:
+ self.write_defs(sys.stderr)
+ raise RuntimeError, "definition missing required %s" % (item,)
+
+ _method_write_defs = MethodDef.__dict__['write_defs']
+
+ def merge(self, old, parmerge):
+ self.caller_owns_return = old.caller_owns_return
+ self.varargs = old.varargs
+ if not parmerge:
+ self.params = copy.deepcopy(old.params)
+ return
+ # here we merge extra parameter flags accross to the new object.
+ def merge_param(param):
+ for old_param in old.params:
+ if old_param.pname == param.pname:
+ if isinstance(old_param, Property):
+ # h2def never scans Property's, therefore if
+ # we have one it was manually written, so we
+ # keep it.
+ return copy.deepcopy(old_param)
+ else:
+ param.merge(old_param)
+ return param
+ raise RuntimeError, "could not find %s in old_parameters %r" % (
+ param.pname, [p.pname for p in old.params])
+ try:
+ self.params = map(merge_param, self.params)
+ except RuntimeError:
+ # parameter names changed and we can't find a match; it's
+ # safer to keep the old parameter list untouched.
+ self.params = copy.deepcopy(old.params)
+
+ if not self.is_constructor_of:
+ try:
+ self.is_constructor_of = old.is_constructor_of
+ except AttributeError:
+ pass
+ if isinstance(old, MethodDef):
+ self.name = old.name
+ # transmogrify from function into method ...
+ self.write_defs = self._method_write_defs
+ self.of_object = old.of_object
+ del self.params[0]
+ def write_defs(self, fp=sys.stdout):
+ fp.write('(define-function ' + self.name + '\n')
+ if self.in_module:
+ fp.write(' (in-module "' + self.in_module + '")\n')
+ if self.is_constructor_of:
+ fp.write(' (is-constructor-of "' + self.is_constructor_of +'")\n')
+ if self.c_name:
+ fp.write(' (c-name "' + self.c_name + '")\n')
+ if self.typecode:
+ fp.write(' (gtype-id "' + self.typecode + '")\n')
+ if self.caller_owns_return:
+ fp.write(' (caller-owns-return #t)\n')
+ if self.unblock_threads:
+ fp.write(' (unblock-threads #t)\n')
+ if self.ret:
+ fp.write(' (return-type "' + self.ret + '")\n')
+ if self.deprecated:
+ fp.write(' (deprecated "' + self.deprecated + '")\n')
+ if self.params:
+ if isinstance(self.params[0], Parameter):
+ fp.write(' (parameters\n')
+ for ptype, pname, pdflt, pnull in self.params:
+ fp.write(' \'("' + ptype + '" "' + pname +'"')
+ if pdflt: fp.write(' (default "' + pdflt + '")')
+ if pnull: fp.write(' (null-ok)')
+ fp.write(')\n')
+ fp.write(' )\n')
+ elif isinstance(self.params[0], Property):
+ fp.write(' (properties\n')
+ for prop in self.params:
+ fp.write(' \'("' + prop.pname +'"')
+ if prop.optional: fp.write(' (optional)')
+ fp.write(')\n')
+ fp.write(' )\n')
+ else:
+ assert False, "strange parameter list %r" % self.params[0]
+ if self.varargs:
+ fp.write(' (varargs #t)\n')
+
+ fp.write(')\n\n')
diff --git a/bindings/python/codegen/defsparser.py b/bindings/python/codegen/defsparser.py
new file mode 100644
index 0000000..e24a969
--- /dev/null
+++ b/bindings/python/codegen/defsparser.py
@@ -0,0 +1,143 @@
+# -*- Mode: Python; py-indent-offset: 4 -*-
+import os, sys
+import scmexpr
+from definitions import BoxedDef, EnumDef, FlagsDef, FunctionDef, \
+ InterfaceDef, MethodDef, ObjectDef, MiniObjectDef, PointerDef, \
+ VirtualDef
+
+class IncludeParser(scmexpr.Parser):
+ """A simple parser that follows include statements automatically"""
+ def include(self, filename):
+ if not os.path.isabs(filename):
+ filename = os.path.join(os.path.dirname(self.filename), filename)
+
+ # set self.filename to the include name, to handle recursive includes
+ oldfile = self.filename
+ self.filename = filename
+ self.startParsing()
+ self.filename = oldfile
+
+class DefsParser(IncludeParser):
+ def __init__(self, arg, defines={}):
+ IncludeParser.__init__(self, arg)
+ self.objects = []
+ self.miniobjects = []
+ self.interfaces = []
+ self.enums = [] # enums and flags
+ self.boxes = [] # boxed types
+ self.pointers = [] # pointer types
+ self.functions = [] # functions and methods
+ self.virtuals = [] # virtual methods
+ self.c_name = {} # hash of c names of functions
+ self.methods = {} # hash of methods of particular objects
+ self.defines = defines # -Dfoo=bar options, as dictionary
+
+ def define_object(self, *args):
+ odef = apply(ObjectDef, args)
+ self.objects.append(odef)
+ self.c_name[odef.c_name] = odef
+ # TODO: define_mini_object
+ def define_miniobject(self, *args):
+ odef = apply(MiniObjectDef, args)
+ self.miniobjects.append(odef)
+ self.c_name[odef.c_name] = odef
+ def define_interface(self, *args):
+ idef = apply(InterfaceDef, args)
+ self.interfaces.append(idef)
+ self.c_name[idef.c_name] = idef
+ def define_enum(self, *args):
+ edef = apply(EnumDef, args)
+ self.enums.append(edef)
+ self.c_name[edef.c_name] = edef
+ def define_flags(self, *args):
+ fdef = apply(FlagsDef, args)
+ self.enums.append(fdef)
+ self.c_name[fdef.c_name] = fdef
+ def define_boxed(self, *args):
+ bdef = apply(BoxedDef, args)
+ self.boxes.append(bdef)
+ self.c_name[bdef.c_name] = bdef
+ def define_pointer(self, *args):
+ pdef = apply(PointerDef, args)
+ self.pointers.append(pdef)
+ self.c_name[pdef.c_name] = pdef
+ def define_function(self, *args):
+ fdef = apply(FunctionDef, args)
+ self.functions.append(fdef)
+ self.c_name[fdef.c_name] = fdef
+ def define_method(self, *args):
+ mdef = apply(MethodDef, args)
+ self.functions.append(mdef)
+ self.c_name[mdef.c_name] = mdef
+ def define_virtual(self, *args):
+ vdef = apply(VirtualDef, args)
+ self.virtuals.append(vdef)
+ def merge(self, old, parmerge):
+ for obj in self.objects:
+ if old.c_name.has_key(obj.c_name):
+ obj.merge(old.c_name[obj.c_name])
+ for f in self.functions:
+ if old.c_name.has_key(f.c_name):
+ f.merge(old.c_name[f.c_name], parmerge)
+
+ def printMissing(self, old):
+ for obj in self.objects:
+ if not old.c_name.has_key(obj.c_name):
+ obj.write_defs()
+ for f in self.functions:
+ if not old.c_name.has_key(f.c_name):
+ f.write_defs()
+
+ def write_defs(self, fp=sys.stdout):
+ for obj in self.objects:
+ obj.write_defs(fp)
+ # TODO: Add miniobject
+ for obj in self.miniobjects:
+ obj.write_defs(fp)
+ for enum in self.enums:
+ enum.write_defs(fp)
+ for boxed in self.boxes:
+ boxed.write_defs(fp)
+ for pointer in self.pointers:
+ pointer.write_defs(fp)
+ for func in self.functions:
+ func.write_defs(fp)
+
+ def find_object(self, c_name):
+ for obj in self.objects:
+ if obj.c_name == c_name:
+ return obj
+ else:
+ raise ValueError, 'object not found'
+
+ def find_constructor(self, obj, overrides):
+ for func in self.functions:
+ if isinstance(func, FunctionDef) and \
+ func.is_constructor_of == obj.c_name and \
+ not overrides.is_ignored(func.c_name):
+ return func
+
+ def find_methods(self, obj):
+ objname = obj.c_name
+ return filter(lambda func, on=objname: isinstance(func, MethodDef) and
+ func.of_object == on, self.functions)
+
+ def find_virtuals(self, obj):
+ objname = obj.c_name
+ retval = filter(lambda func, on=objname: isinstance(func, VirtualDef) and
+ func.of_object == on, self.virtuals)
+ return retval
+
+ def find_functions(self):
+ return filter(lambda func: isinstance(func, FunctionDef) and
+ not func.is_constructor_of, self.functions)
+
+ def ifdef(self, *args):
+ if args[0] in self.defines:
+ for arg in args[1:]:
+ self.handle(arg)
+
+ def ifndef(self, *args):
+ if args[0] not in self.defines:
+ for arg in args[1:]:
+ self.handle(arg)
diff --git a/bindings/python/codegen/docextract.py b/bindings/python/codegen/docextract.py
new file mode 100644
index 0000000..e6c6505
--- /dev/null
+++ b/bindings/python/codegen/docextract.py
@@ -0,0 +1,185 @@
+# -*- Mode: Python; py-indent-offset: 4 -*-
+'''Simple module for extracting GNOME style doc comments from C
+sources, so I can use them for other purposes.'''
+
+import sys, os, string, re
+
+__all__ = ['extract']
+
+class FunctionDoc:
+ def __init__(self):
+ self.name = None
+ self.params = []
+ self.description = ''
+ self.ret = ''
+ def set_name(self, name):
+ self.name = name
+ def add_param(self, name, description):
+ if name == '...':
+ name = 'Varargs'
+ self.params.append((name, description))
+ def append_to_last_param(self, extra):
+ self.params[-1] = (self.params[-1][0], self.params[-1][1] + extra)
+ def append_to_named_param(self, name, extra):
+ for i in range(len(self.params)):
+ if self.params[i][0] == name:
+ self.params[i] = (name, self.params[i][1] + extra)
+ return
+ # fall through to adding extra parameter ...
+ self.add_param(name, extra)
+ def append_description(self, extra):
+ self.description = self.description + extra
+ def append_return(self, extra):
+ self.ret = self.ret + extra
+
+ def get_param_description(self, name):
+ for param, description in self.params:
+ if param == name:
+ return description
+ else:
+ return ''
+
+comment_start_pat = re.compile(r'^\s*/\*\*\s')
+comment_end_pat = re.compile(r'^\s*\*+/')
+comment_line_lead = re.compile(r'^\s*\*\s*')
+funcname_pat = re.compile(r'^(\w+)\s*:?')
+return_pat = re.compile(r'^(returns:|return\s+value:|returns\s*)(.*\n?)$',
+ re.IGNORECASE)
+param_pat = re.compile(r'^@(\S+)\s*:(.*\n?)$')
+
+def parse_file(fp, doc_dict):
+ line = fp.readline()
+ in_comment_block = 0
+ while line:
+ if not in_comment_block:
+ if comment_start_pat.match(line):
+ in_comment_block = 1
+ cur_doc = FunctionDoc()
+ in_description = 0
+ in_return = 0
+ line = fp.readline()
+ continue
+
+ # we are inside a comment block ...
+ if comment_end_pat.match(line):
+ if not cur_doc.name:
+ sys.stderr.write("no function name found in doc comment\n")
+ else:
+ doc_dict[cur_doc.name] = cur_doc
+ in_comment_block = 0
+ line = fp.readline()
+ continue
+
+ # inside a comment block, and not the end of the block ...
+ line = comment_line_lead.sub('', line)
+ if not line: line = '\n'
+
+ if not cur_doc.name:
+ match = funcname_pat.match(line)
+ if match:
+ cur_doc.set_name(match.group(1))
+ elif in_return:
+ match = return_pat.match(line)
+ if match:
+ # assume the last return statement was really part of the
+ # description
+ return_start = match.group(1)
+ cur_doc.ret = match.group(2)
+ cur_doc.description = cur_doc.description + return_start + \
+ cur_doc.ret
+ else:
+ cur_doc.append_return(line)
+ elif in_description:
+ if line[:12] == 'Description:':
+ line = line[12:]
+ match = return_pat.match(line)
+ if match:
+ in_return = 1
+ return_start = match.group(1)
+ cur_doc.append_return(match.group(2))
+ else:
+ cur_doc.append_description(line)
+ elif line == '\n':
+ # end of parameters
+ in_description = 1
+ else:
+ match = param_pat.match(line)
+ if match:
+ param = match.group(1)
+ desc = match.group(2)
+ if param == 'returns':
+ cur_doc.ret = desc
+ else:
+ cur_doc.add_param(param, desc)
+ else:
+ # must be continuation
+ try:
+ if param == 'returns':
+ cur_doc.append_return(line)
+ else:
+ cur_doc.append_to_last_param(line)
+ except:
+ sys.stderr.write('something weird while reading param\n')
+ line = fp.readline()
+
+def parse_dir(dir, doc_dict):
+ for file in os.listdir(dir):
+ if file in ('.', '..'): continue
+ path = os.path.join(dir, file)
+ if os.path.isdir(path):
+ parse_dir(path, doc_dict)
+ if len(file) > 2 and file[-2:] == '.c':
+ parse_file(open(path, 'r'), doc_dict)
+
+def extract(dirs, doc_dict=None):
+ if not doc_dict: doc_dict = {}
+ for dir in dirs:
+ parse_dir(dir, doc_dict)
+ return doc_dict
+
+tmpl_section_pat = re.compile(r'^<!-- ##### (\w+) (\w+) ##### -->$')
+def parse_tmpl(fp, doc_dict):
+ cur_doc = None
+
+ line = fp.readline()
+ while line:
+ match = tmpl_section_pat.match(line)
+ if match:
+ cur_doc = None # new input shouldn't affect the old doc dict
+ sect_type = match.group(1)
+ sect_name = match.group(2)
+
+ if sect_type == 'FUNCTION':
+ cur_doc = doc_dict.get(sect_name)
+ if not cur_doc:
+ cur_doc = FunctionDoc()
+ cur_doc.set_name(sect_name)
+ doc_dict[sect_name] = cur_doc
+ elif line == '<!-- # Unused Parameters # -->\n':
+ cur_doc = None # don't worry about unused params.
+ elif cur_doc:
+ if line[:10] == '@Returns: ':
+ if string.strip(line[10:]):
+ cur_doc.append_return(line[10:])
+ elif line[0] == '@':
+ pos = string.find(line, ':')
+ if pos >= 0:
+ cur_doc.append_to_named_param(line[1:pos], line[pos+1:])
+ else:
+ cur_doc.append_description(line)
+ else:
+ cur_doc.append_description(line)
+
+ line = fp.readline()
+
+def extract_tmpl(dirs, doc_dict=None):
+ if not doc_dict: doc_dict = {}
+ for dir in dirs:
+ for file in os.listdir(dir):
+ if file in ('.', '..'): continue
+ path = os.path.join(dir, file)
+ if os.path.isdir(path):
+ continue
+ if len(file) > 2 and file[-2:] == '.sgml':
+ parse_tmpl(open(path, 'r'), doc_dict)
+ return doc_dict
diff --git a/bindings/python/codegen/docgen.py b/bindings/python/codegen/docgen.py
new file mode 100644
index 0000000..6905a14
--- /dev/null
+++ b/bindings/python/codegen/docgen.py
@@ -0,0 +1,752 @@
+#!/usr/bin/env python
+# -*- Mode: Python; py-indent-offset: 4 -*-
+import sys, os, string, re, getopt
+
+import defsparser
+import definitions
+import override
+import docextract
+
+class Node:
+ def __init__(self, name, interfaces=[]):
+ self.name = name
+ self.interfaces = interfaces
+ self.subclasses = []
+ def add_child(self, node):
+ self.subclasses.append(node)
+
+def build_object_tree(parser):
+ # reorder objects so that parent classes come first ...
+ objects = parser.objects[:]
+ pos = 0
+ while pos < len(objects):
+ parent = objects[pos].parent
+ for i in range(pos+1, len(objects)):
+ if objects[i].c_name == parent:
+ objects.insert(i+1, objects[pos])
+ del objects[pos]
+ break
+ else:
+ pos = pos + 1
+
+ root = Node(None)
+ nodes = { None: root }
+ for obj_def in objects:
+ print obj_def.name
+ parent_node = nodes[obj_def.parent]
+ node = Node(obj_def.c_name, obj_def.implements)
+ parent_node.add_child(node)
+ nodes[node.name] = node
+
+ if parser.interfaces:
+ interfaces = Node('gobject.GInterface')
+ root.add_child(interfaces)
+ nodes[interfaces.name] = interfaces
+ for obj_def in parser.interfaces:
+ node = Node(obj_def.c_name)
+ interfaces.add_child(node)
+ nodes[node.name] = node
+
+ if parser.boxes:
+ boxed = Node('gobject.GBoxed')
+ root.add_child(boxed)
+ nodes[boxed.name] = boxed
+ for obj_def in parser.boxes:
+ node = Node(obj_def.c_name)
+ boxed.add_child(node)
+ nodes[node.name] = node
+
+ if parser.pointers:
+ pointers = Node('gobject.GPointer')
+ root.add_child(pointers)
+ nodes[pointers.name] = pointers
+ for obj_def in parser.pointers:
+ node = Node(obj_def.c_name)
+ pointers.add_child(node)
+ nodes[node.name] = node
+
+ return root
+
+class DocWriter:
+ def __init__(self):
+ # parse the defs file
+ self.parser = defsparser.DefsParser(())
+ self.overrides = override.Overrides()
+ self.classmap = {}
+ self.docs = {}
+
+ def add_sourcedirs(self, source_dirs):
+ self.docs = docextract.extract(source_dirs, self.docs)
+ def add_tmpldirs(self, tmpl_dirs):
+ self.docs = docextract.extract_tmpl(tmpl_dirs, self.docs)
+
+ def add_docs(self, defs_file, overrides_file, module_name):
+ '''parse information about a given defs file'''
+ self.parser.filename = defs_file
+ self.parser.startParsing(defs_file)
+ if overrides_file:
+ self.overrides.handle_file(overrides_file)
+
+ for obj in self.parser.objects:
+ if not self.classmap.has_key(obj.c_name):
+ self.classmap[obj.c_name] = '%s.%s' % (module_name, obj.name)
+ for obj in self.parser.interfaces:
+ if not self.classmap.has_key(obj.c_name):
+ self.classmap[obj.c_name] = '%s.%s' % (module_name, obj.name)
+ for obj in self.parser.boxes:
+ if not self.classmap.has_key(obj.c_name):
+ self.classmap[obj.c_name] = '%s.%s' % (module_name, obj.name)
+ for obj in self.parser.pointers:
+ if not self.classmap.has_key(obj.c_name):
+ self.classmap[obj.c_name] = '%s.%s' % (module_name, obj.name)
+
+ def pyname(self, name):
+ return self.classmap.get(name, name)
+
+ def __compare(self, obja, objb):
+ return cmp(self.pyname(obja.c_name), self.pyname(objb.c_name))
+ def output_docs(self, output_prefix):
+ files = []
+
+ # class hierarchy
+ hierarchy = build_object_tree(self.parser)
+ filename = self.create_filename('hierarchy', output_prefix)
+ fp = open(filename, 'w')
+ self.write_full_hierarchy(hierarchy, fp)
+ fp.close()
+
+ obj_defs = self.parser.objects + self.parser.interfaces + \
+ self.parser.boxes + self.parser.pointers
+ obj_defs.sort(self.__compare)
+ for obj_def in obj_defs:
+ filename = self.create_filename(obj_def.c_name, output_prefix)
+ fp = open(filename, 'w')
+ if isinstance(obj_def, definitions.ObjectDef):
+ self.output_object_docs(obj_def, fp)
+ elif isinstance(obj_def, definitions.InterfaceDef):
+ self.output_interface_docs(obj_def, fp)
+ elif isinstance(obj_def, definitions.BoxedDef):
+ self.output_boxed_docs(obj_def, fp)
+ elif isinstance(obj_def, definitions.PointerDef):
+ self.output_boxed_docs(obj_def, fp)
+ fp.close()
+ files.append((os.path.basename(filename), obj_def))
+
+ if files:
+ filename = self.create_toc_filename(output_prefix)
+ fp = open(filename, 'w')
+ self.output_toc(files, fp)
+ fp.close()
+
+ def output_object_docs(self, obj_def, fp=sys.stdout):
+ self.write_class_header(obj_def.c_name, fp)
+
+ self.write_heading('Synopsis', fp)
+ self.write_synopsis(obj_def, fp)
+ self.close_section(fp)
+
+ # construct the inheritence hierarchy ...
+ ancestry = [ (obj_def.c_name, obj_def.implements) ]
+ try:
+ parent = obj_def.parent
+ while parent != None:
+ if parent == 'GObject':
+ ancestry.append(('GObject', []))
+ parent = None
+ else:
+ parent_def = self.parser.find_object(parent)
+ ancestry.append((parent_def.c_name, parent_def.implements))
+ parent = parent_def.parent
+ except ValueError:
+ pass
+ ancestry.reverse()
+ self.write_heading('Ancestry', fp)
+ self.write_hierarchy(obj_def.c_name, ancestry, fp)
+ self.close_section(fp)
+
+ constructor = self.parser.find_constructor(obj_def, self.overrides)
+ if constructor:
+ self.write_heading('Constructor', fp)
+ self.write_constructor(constructor,
+ self.docs.get(constructor.c_name, None),
+ fp)
+ self.close_section(fp)
+
+ methods = self.parser.find_methods(obj_def)
+ methods = filter(lambda meth, self=self:
+ not self.overrides.is_ignored(meth.c_name), methods)
+ if methods:
+ self.write_heading('Methods', fp)
+ for method in methods:
+ self.write_method(method, self.docs.get(method.c_name, None), fp)
+ self.close_section(fp)
+
+ self.write_class_footer(obj_def.c_name, fp)
+
+ def output_interface_docs(self, int_def, fp=sys.stdout):
+ self.write_class_header(int_def.c_name, fp)
+
+ self.write_heading('Synopsis', fp)
+ self.write_synopsis(int_def, fp)
+ self.close_section(fp)
+
+ methods = self.parser.find_methods(int_def)
+ methods = filter(lambda meth, self=self:
+ not self.overrides.is_ignored(meth.c_name), methods)
+ if methods:
+ self.write_heading('Methods', fp)
+ for method in methods:
+ self.write_method(method, self.docs.get(method.c_name, None), fp)
+ self.close_section(fp)
+
+ self.write_class_footer(int_def.c_name, fp)
+
+ def output_boxed_docs(self, box_def, fp=sys.stdout):
+ self.write_class_header(box_def.c_name, fp)
+
+ self.write_heading('Synopsis', fp)
+ self.write_synopsis(box_def, fp)
+ self.close_section(fp)
+
+ constructor = self.parser.find_constructor(box_def, self.overrides)
+ if constructor:
+ self.write_heading('Constructor', fp)
+ self.write_constructor(constructor,
+ self.docs.get(constructor.c_name, None),
+ fp)
+ self.close_section(fp)
+
+ methods = self.parser.find_methods(box_def)
+ methods = filter(lambda meth, self=self:
+ not self.overrides.is_ignored(meth.c_name), methods)
+ if methods:
+ self.write_heading('Methods', fp)
+ for method in methods:
+ self.write_method(method, self.docs.get(method.c_name, None), fp)
+ self.close_section(fp)
+
+ self.write_class_footer(box_def.c_name, fp)
+
+ def output_toc(self, files, fp=sys.stdout):
+ fp.write('TOC\n\n')
+ for filename, obj_def in files:
+ fp.write(obj_def.c_name + ' - ' + filename + '\n')
+
+ # override the following to create a more complex output format
+ def create_filename(self, obj_name, output_prefix):
+ '''Create output filename for this particular object'''
+ return output_prefix + '-' + string.lower(obj_name) + '.txt'
+ def create_toc_filename(self, output_prefix):
+ return self.create_filename(self, 'docs', output_prefix)
+
+ def write_full_hierarchy(self, hierarchy, fp):
+ def handle_node(node, fp, indent=''):
+ for child in node.subclasses:
+ fp.write(indent + node.name)
+ if node.interfaces:
+ fp.write(' (implements ')
+ fp.write(string.join(node.interfaces, ', '))
+ fp.write(')\n')
+ else:
+ fp.write('\n')
+ handle_node(child, fp, indent + ' ')
+ handle_node(hierarchy, fp)
+
+ # these need to handle default args ...
+ def create_constructor_prototype(self, func_def):
+ return func_def.is_constructor_of + '(' + \
+ string.join(map(lambda x: x[1], func_def.params), ', ') + \
+ ')'
+ def create_function_prototype(self, func_def):
+ return func_def.name + '(' + \
+ string.join(map(lambda x: x[1], func_def.params), ', ') + \
+ ')'
+ def create_method_prototype(self, meth_def):
+ return meth_def.of_object + '.' + \
+ meth_def.name + '(' + \
+ string.join(map(lambda x: x[1], meth_def.params), ', ') + \
+ ')'
+
+ def write_class_header(self, obj_name, fp):
+ fp.write('Class %s\n' % obj_name)
+ fp.write('======%s\n\n' % ('=' * len(obj_name)))
+ def write_class_footer(self, obj_name, fp):
+ pass
+ def write_heading(self, text, fp):
+ fp.write('\n' + text + '\n' + ('-' * len(text)) + '\n')
+ def close_section(self, fp):
+ pass
+ def write_synopsis(self, obj_def, fp):
+ fp.write('class %s' % obj_def.c_name)
+ if isinstance(obj_def, definitions.ObjectDef):
+ bases = []
+ if obj_def.parent: bases.append(obj_def.parent)
+ bases = bases = obj_def.implements
+ if bases:
+ fp.write('(%s)' % string.join(bases, ', '))
+ fp.write(':\n')
+
+ constructor = self.parser.find_constructor(obj_def, self.overrides)
+ if constructor:
+ prototype = self.create_constructor_prototype(constructor)
+ fp.write(' def %s\n' % prototype)
+ methods = self.parser.find_methods(obj_def)
+ methods = filter(lambda meth, self=self:
+ not self.overrides.is_ignored(meth.c_name), methods)
+ for meth in methods:
+ prototype = self.create_method_prototype(meth)
+ fp.write(' def %s\n' % prototype)
+
+ def write_hierarchy(self, obj_name, ancestry, fp):
+ indent = ''
+ for name, interfaces in ancestry:
+ fp.write(indent + '+-- ' + name)
+ if interfaces:
+ fp.write(' (implements ')
+ fp.write(string.join(interfaces, ', '))
+ fp.write(')\n')
+ else:
+ fp.write('\n')
+ indent = indent + ' '
+ fp.write('\n')
+ def write_constructor(self, func_def, func_doc, fp):
+ prototype = self.create_constructor_prototype(func_def)
+ fp.write(prototype + '\n\n')
+ for type, name, dflt, null in func_def.params:
+ if func_doc:
+ descr = func_doc.get_param_description(name)
+ else:
+ descr = 'a ' + type
+ fp.write(' ' + name + ': ' + descr + '\n')
+ if func_def.ret and func_def.ret != 'none':
+ if func_doc and func_doc.ret:
+ descr = func_doc.ret
+ else:
+ descr = 'a ' + func_def.ret
+ fp.write(' Returns: ' + descr + '\n')
+ if func_doc and func_doc.description:
+ fp.write(func_doc.description)
+ fp.write('\n\n\n')
+ def write_method(self, meth_def, func_doc, fp):
+ prototype = self.create_method_prototype(meth_def)
+ fp.write(prototype + '\n\n')
+ for type, name, dflt, null in meth_def.params:
+ if func_doc:
+ descr = func_doc.get_param_description(name)
+ else:
+ descr = 'a ' + type
+ fp.write(' ' + name + ': ' + descr + '\n')
+ if meth_def.ret and meth_def.ret != 'none':
+ if func_doc and func_doc.ret:
+ descr = func_doc.ret
+ else:
+ descr = 'a ' + meth_def.ret
+ fp.write(' Returns: ' + descr + '\n')
+ if func_doc and func_doc.description:
+ fp.write('\n')
+ fp.write(func_doc.description)
+ fp.write('\n\n')
+
+class DocbookDocWriter(DocWriter):
+ def __init__(self, use_xml=0):
+ DocWriter.__init__(self)
+ self.use_xml = use_xml
+
+ def create_filename(self, obj_name, output_prefix):
+ '''Create output filename for this particular object'''
+ stem = output_prefix + '-' + string.lower(obj_name)
+ if self.use_xml:
+ return stem + '.xml'
+ else:
+ return stem + '.sgml'
+ def create_toc_filename(self, output_prefix):
+ if self.use_xml:
+ return self.create_filename('classes', output_prefix)
+ else:
+ return self.create_filename('docs', output_prefix)
+
+ # make string -> reference translation func
+ __transtable = [ '-' ] * 256
+ for digit in '0123456789':
+ __transtable[ord(digit)] = digit
+ for letter in 'abcdefghijklmnopqrstuvwxyz':
+ __transtable[ord(letter)] = letter
+ __transtable[ord(string.upper(letter))] = letter
+ __transtable = string.join(__transtable, '')
+
+ def make_class_ref(self, obj_name):
+ return 'class-' + string.translate(obj_name, self.__transtable)
+ def make_method_ref(self, meth_def):
+ return 'method-' + string.translate(meth_def.of_object,
+ self.__transtable) + \
+ '--' + string.translate(meth_def.name, self.__transtable)
+
+ __function_pat = re.compile(r'(\w+)\s*\(\)')
+ def __format_function(self, match):
+ info = self.parser.c_name.get(match.group(1), None)
+ if info:
+ if isinstance(info, defsparser.FunctionDef):
+ if info.is_constructor_of is not None:
+ # should have a link here
+ return '<function>%s()</function>' % \
+ self.pyname(info.is_constructor_of)
+ else:
+ return '<function>' + info.name + '()</function>'
+ if isinstance(info, defsparser.MethodDef):
+ return '<link linkend="' + self.make_method_ref(info) + \
+ '"><function>' + self.pyname(info.of_object) + '.' + \
+ info.name + '()</function></link>'
+ # fall through through
+ return '<function>' + match.group(1) + '()</function>'
+ __parameter_pat = re.compile(r'\@(\w+)')
+ def __format_param(self, match):
+ return '<parameter>' + match.group(1) + '</parameter>'
+ __constant_pat = re.compile(r'\%(-?\w+)')
+ def __format_const(self, match):
+ return '<literal>' + match.group(1) + '</literal>'
+ __symbol_pat = re.compile(r'#([\w-]+)')
+ def __format_symbol(self, match):
+ info = self.parser.c_name.get(match.group(1), None)
+ if info:
+ if isinstance(info, defsparser.FunctionDef):
+ if info.is_constructor_of is not None:
+ # should have a link here
+ return '<methodname>' + self.pyname(info.is_constructor_of) + \
+ '</methodname>'
+ else:
+ return '<function>' + info.name + '</function>'
+ if isinstance(info, defsparser.MethodDef):
+ return '<link linkend="' + self.make_method_ref(info) + \
+ '"><methodname>' + self.pyname(info.of_object) + '.' + \
+ info.name + '</methodname></link>'
+ if isinstance(info, defsparser.ObjectDef) or \
+ isinstance(info, defsparser.InterfaceDef) or \
+ isinstance(info, defsparser.BoxedDef) or \
+ isinstance(info, defsparser.PointerDef):
+ return '<link linkend="' + self.make_class_ref(info.c_name) + \
+ '"><classname>' + self.pyname(info.c_name) + \
+ '</classname></link>'
+ # fall through through
+ return '<literal>' + match.group(1) + '</literal>'
+
+ def reformat_text(self, text, singleline=0):
+ # replace special strings ...
+ text = self.__function_pat.sub(self.__format_function, text)
+ text = self.__parameter_pat.sub(self.__format_param, text)
+ text = self.__constant_pat.sub(self.__format_const, text)
+ text = self.__symbol_pat.sub(self.__format_symbol, text)
+
+ # don't bother with <para> expansion for single line text.
+ if singleline: return text
+
+ lines = string.split(string.strip(text), '\n')
+ for index in range(len(lines)):
+ if string.strip(lines[index]) == '':
+ lines[index] = '</para>\n<para>'
+ continue
+ lines.insert(0, '<para>')
+ lines.append('</para>')
+ return string.join(lines, '\n')
+
+ # write out hierarchy
+ def write_full_hierarchy(self, hierarchy, fp):
+ def handle_node(node, fp, indent=''):
+ if node.name:
+ fp.write('%s<link linkend="%s">%s</link>' %
+ (indent, self.make_class_ref(node.name),
+ self.pyname(node.name)))
+ if node.interfaces:
+ fp.write(' (implements ')
+ for i in range(len(node.interfaces)):
+ fp.write('<link linkend="%s">%s</link>' %
+ (self.make_class_ref(node.interfaces[i]),
+ self.pyname(node.interfaces[i])))
+ if i != len(node.interfaces) - 1:
+ fp.write(', ')
+ fp.write(')\n')
+ else:
+ fp.write('\n')
+
+ indent = indent + ' '
+ node.subclasses.sort(lambda a,b:
+ cmp(self.pyname(a.name), self.pyname(b.name)))
+ for child in node.subclasses:
+ handle_node(child, fp, indent)
+ if self.use_xml:
+ fp.write('<?xml version="1.0" standalone="no"?>\n')
+ fp.write('<!DOCTYPE synopsis PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"\n')
+ fp.write(' "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">\n')
+ fp.write('<synopsis>')
+ handle_node(hierarchy, fp)
+ fp.write('</synopsis>\n')
+
+ # these need to handle default args ...
+ def create_constructor_prototype(self, func_def):
+ sgml = [ '<constructorsynopsis language="python">\n']
+ sgml.append(' <methodname>__init__</methodname>\n')
+ for type, name, dflt, null in func_def.params:
+ sgml.append(' <methodparam><parameter>')
+ sgml.append(name)
+ sgml.append('</parameter>')
+ if dflt:
+ sgml.append('<initializer>')
+ sgml.append(dflt)
+ sgml.append('</initializer>')
+ sgml.append('</methodparam>\n')
+ if not func_def.params:
+ sgml.append(' <methodparam></methodparam>')
+ sgml.append(' </constructorsynopsis>')
+ return string.join(sgml, '')
+ def create_function_prototype(self, func_def):
+ sgml = [ '<funcsynopsis language="python">\n <funcprototype>\n']
+ sgml.append(' <funcdef><function>')
+ sgml.append(func_def.name)
+ sgml.append('</function></funcdef>\n')
+ for type, name, dflt, null in func_def.params:
+ sgml.append(' <paramdef><parameter>')
+ sgml.append(name)
+ sgml.append('</parameter>')
+ if dflt:
+ sgml.append('<initializer>')
+ sgml.append(dflt)
+ sgml.append('</initializer>')
+ sgml.append('</paramdef>\n')
+ if not func_def.params:
+ sgml.append(' <paramdef></paramdef')
+ sgml.append(' </funcprototype>\n </funcsynopsis>')
+ return string.join(sgml, '')
+ def create_method_prototype(self, meth_def, addlink=0):
+ sgml = [ '<methodsynopsis language="python">\n']
+ sgml.append(' <methodname>')
+ if addlink:
+ sgml.append('<link linkend="%s">' % self.make_method_ref(meth_def))
+ sgml.append(self.pyname(meth_def.name))
+ if addlink:
+ sgml.append('</link>')
+ sgml.append('</methodname>\n')
+ for type, name, dflt, null in meth_def.params:
+ sgml.append(' <methodparam><parameter>')
+ sgml.append(name)
+ sgml.append('</parameter>')
+ if dflt:
+ sgml.append('<initializer>')
+ sgml.append(dflt)
+ sgml.append('</initializer>')
+ sgml.append('</methodparam>\n')
+ if not meth_def.params:
+ sgml.append(' <methodparam></methodparam>')
+ sgml.append(' </methodsynopsis>')
+ return string.join(sgml, '')
+
+ def write_class_header(self, obj_name, fp):
+ if self.use_xml:
+ fp.write('<?xml version="1.0" standalone="no"?>\n')
+ fp.write('<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"\n')
+ fp.write(' "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">\n')
+ fp.write('<refentry id="' + self.make_class_ref(obj_name) + '">\n')
+ fp.write(' <refmeta>\n')
+ fp.write(' <refentrytitle>%s</refentrytitle>\n'
+ % self.pyname(obj_name))
+ fp.write(' <manvolnum>3</manvolnum>\n')
+ fp.write(' <refmiscinfo>PyGTK Docs</refmiscinfo>\n')
+ fp.write(' </refmeta>\n\n')
+ fp.write(' <refnamediv>\n')
+ fp.write(' <refname>%s</refname><refpurpose></refpurpose>\n'
+ % self.pyname(obj_name))
+ fp.write(' </refnamediv>\n\n')
+ def write_class_footer(self, obj_name, fp):
+ fp.write('</refentry>\n')
+ def write_heading(self, text, fp):
+ fp.write(' <refsect1>\n')
+ fp.write(' <title>' + text + '</title>\n\n')
+ def close_section(self, fp):
+ fp.write(' </refsect1>\n')
+
+ def write_synopsis(self, obj_def, fp):
+ fp.write('<classsynopsis language="python">\n')
+ fp.write(' <ooclass><classname>%s</classname></ooclass>\n'
+ % self.pyname(obj_def.c_name))
+ if isinstance(obj_def, definitions.ObjectDef):
+ if obj_def.parent:
+ fp.write(' <ooclass><classname><link linkend="%s">%s'
+ '</link></classname></ooclass>\n'
+ % (self.make_class_ref(obj_def.parent),
+ self.pyname(obj_def.parent)))
+ for base in obj_def.implements:
+ fp.write(' <ooclass><classname><link linkend="%s">%s'
+ '</link></classname></ooclass>\n'
+ % (self.make_class_ref(base), self.pyname(base)))
+ elif isinstance(obj_def, definitions.InterfaceDef):
+ fp.write(' <ooclass><classname>gobject.GInterface'
+ '</classname></ooclass>\n')
+ elif isinstance(obj_def, definitions.BoxedDef):
+ fp.write(' <ooclass><classname>gobject.GBoxed'
+ '</classname></ooclass>\n')
+ elif isinstance(obj_def, definitions.PointerDef):
+ fp.write(' <ooclass><classname>gobject.GPointer'
+ '</classname></ooclass>\n')
+
+ constructor = self.parser.find_constructor(obj_def, self.overrides)
+ if constructor:
+ fp.write('%s\n' % self.create_constructor_prototype(constructor))
+ methods = self.parser.find_methods(obj_def)
+ methods = filter(lambda meth, self=self:
+ not self.overrides.is_ignored(meth.c_name), methods)
+ for meth in methods:
+ fp.write('%s\n' % self.create_method_prototype(meth, addlink=1))
+ fp.write('</classsynopsis>\n\n')
+
+ def write_hierarchy(self, obj_name, ancestry, fp):
+ fp.write('<synopsis>')
+ indent = ''
+ for name, interfaces in ancestry:
+ fp.write(indent + '+-- <link linkend="' +
+ self.make_class_ref(name) + '">'+ self.pyname(name) + '</link>')
+ if interfaces:
+ fp.write(' (implements ')
+ for i in range(len(interfaces)):
+ fp.write('<link linkend="%s">%s</link>' %
+ (self.make_class_ref(interfaces[i]),
+ self.pyname(interfaces[i])))
+ if i != len(interfaces) - 1:
+ fp.write(', ')
+ fp.write(')\n')
+ else:
+ fp.write('\n')
+ indent = indent + ' '
+ fp.write('</synopsis>\n\n')
+
+ def write_params(self, params, ret, func_doc, fp):
+ if not params and (not ret or ret == 'none'):
+ return
+ fp.write(' <variablelist>\n')
+ for type, name, dflt, null in params:
+ if func_doc:
+ descr = string.strip(func_doc.get_param_description(name))
+ else:
+ descr = 'a ' + type
+ fp.write(' <varlistentry>\n')
+ fp.write(' <term><parameter>%s</parameter>&nbsp;:</term>\n' % name)
+ fp.write(' <listitem><simpara>%s</simpara></listitem>\n' %
+ self.reformat_text(descr, singleline=1))
+ fp.write(' </varlistentry>\n')
+ if ret and ret != 'none':
+ if func_doc and func_doc.ret:
+ descr = string.strip(func_doc.ret)
+ else:
+ descr = 'a ' + ret
+ fp.write(' <varlistentry>\n')
+ fp.write(' <term><emphasis>Returns</emphasis>&nbsp;:</term>\n')
+ fp.write(' <listitem><simpara>%s</simpara></listitem>\n' %
+ self.reformat_text(descr, singleline=1))
+ fp.write(' </varlistentry>\n')
+ fp.write(' </variablelist>\n')
+
+ def write_constructor(self, func_def, func_doc, fp):
+ prototype = self.create_constructor_prototype(func_def)
+ fp.write('<programlisting>%s</programlisting>\n' % prototype)
+ self.write_params(func_def.params, func_def.ret, func_doc, fp)
+
+ if func_doc and func_doc.description:
+ fp.write(self.reformat_text(func_doc.description))
+ fp.write('\n\n\n')
+
+ def write_method(self, meth_def, func_doc, fp):
+ fp.write(' <refsect2 id="' + self.make_method_ref(meth_def) + '">\n')
+ fp.write(' <title>' + self.pyname(meth_def.of_object) + '.' +
+ meth_def.name + '</title>\n\n')
+ prototype = self.create_method_prototype(meth_def)
+ fp.write('<programlisting>%s</programlisting>\n' % prototype)
+ self.write_params(meth_def.params, meth_def.ret, func_doc, fp)
+ if func_doc and func_doc.description:
+ fp.write(self.reformat_text(func_doc.description))
+ fp.write(' </refsect2>\n\n\n')
+
+ def output_toc(self, files, fp=sys.stdout):
+ if self.use_xml:
+ fp.write('<?xml version="1.0" standalone="no"?>\n')
+ fp.write('<!DOCTYPE reference PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"\n')
+ fp.write(' "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">\n')
+ #for filename, obj_def in files:
+ # fp.write(' <!ENTITY ' + string.translate(obj_def.c_name,
+ # self.__transtable) +
+ # ' SYSTEM "' + filename + '" >\n')
+ #fp.write(']>\n\n')
+
+ #fp.write('<reference id="class-reference">\n')
+ #fp.write(' <title>Class Documentation</title>\n')
+ #for filename, obj_def in files:
+ # fp.write('&' + string.translate(obj_def.c_name,
+ # self.__transtable) + ';\n')
+ #fp.write('</reference>\n')
+
+ fp.write('<reference id="class-reference" xmlns:xi="http://www.w3.org/2001/XInclude">\n')
+ fp.write(' <title>Class Reference</title>\n')
+ for filename, obj_def in files:
+ fp.write(' <xi:include href="%s"/>\n' % filename)
+ fp.write('</reference>\n')
+ else:
+ fp.write('<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook V4.1.2//EN" [\n')
+ for filename, obj_def in files:
+ fp.write(' <!ENTITY ' + string.translate(obj_def.c_name,
+ self.__transtable) +
+ ' SYSTEM "' + filename + '" >\n')
+ fp.write(']>\n\n')
+
+ fp.write('<book id="index">\n\n')
+ fp.write(' <bookinfo>\n')
+ fp.write(' <title>PyGTK Docs</title>\n')
+ fp.write(' <authorgroup>\n')
+ fp.write(' <author>\n')
+ fp.write(' <firstname>James</firstname>\n')
+ fp.write(' <surname>Henstridge</surname>\n')
+ fp.write(' </author>\n')
+ fp.write(' </authorgroup>\n')
+ fp.write(' </bookinfo>\n\n')
+
+ fp.write(' <chapter id="class-hierarchy">\n')
+ fp.write(' <title>Class Hierarchy</title>\n')
+ fp.write(' <para>Not done yet</para>\n')
+ fp.write(' </chapter>\n\n')
+
+ fp.write(' <reference id="class-reference">\n')
+ fp.write(' <title>Class Documentation</title>\n')
+ for filename, obj_def in files:
+ fp.write('&' + string.translate(obj_def.c_name,
+ self.__transtable) + ';\n')
+
+ fp.write(' </reference>\n')
+ fp.write('</book>\n')
+
+if __name__ == '__main__':
+ try:
+ opts, args = getopt.getopt(sys.argv[1:], "d:s:o:",
+ ["defs-file=", "override=", "source-dir=",
+ "output-prefix="])
+ except getopt.error, e:
+ sys.stderr.write('docgen.py: %s\n' % e)
+ sys.stderr.write(
+ 'usage: docgen.py -d file.defs [-s /src/dir] [-o output-prefix]\n')
+ sys.exit(1)
+ defs_file = None
+ overrides_file = None
+ source_dirs = []
+ output_prefix = 'docs'
+ for opt, arg in opts:
+ if opt in ('-d', '--defs-file'):
+ defs_file = arg
+ if opt in ('--override',):
+ overrides_file = arg
+ elif opt in ('-s', '--source-dir'):
+ source_dirs.append(arg)
+ elif opt in ('-o', '--output-prefix'):
+ output_prefix = arg
+ if len(args) != 0 or not defs_file:
+ sys.stderr.write(
+ 'usage: docgen.py -d file.defs [-s /src/dir] [-o output-prefix]\n')
+ sys.exit(1)
+
+ d = DocbookDocWriter()
+ d.add_sourcedirs(source_dirs)
+ d.add_docs(defs_file, overrides_file, 'gtk')
+ d.output_docs(output_prefix)
diff --git a/bindings/python/codegen/fileprefix.override b/bindings/python/codegen/fileprefix.override
new file mode 100644
index 0000000..4e280c5
--- /dev/null
+++ b/bindings/python/codegen/fileprefix.override
@@ -0,0 +1,12 @@
+/* -*- Mode: C; c-basic-offset: 4 -*- */
+%%
+headers
+/* include any required headers here */
+%%
+init
+ /* include any code here that needs to be executed before the
+ * extension classes get initialised */
+%%
+
+/* you should add appropriate ignore, ignore-glob and
+ * override sections here */
diff --git a/bindings/python/codegen/fileprefixmodule.c b/bindings/python/codegen/fileprefixmodule.c
new file mode 100644
index 0000000..4361d64
--- /dev/null
+++ b/bindings/python/codegen/fileprefixmodule.c
@@ -0,0 +1,31 @@
+/* -*- Mode: C; c-basic-offset: 4 -*- */
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+#include <Python.h>
+#include <pygtk.h>
+
+/* include any extra headers needed here */
+
+void prefix_register_classes(PyObject *d);
+extern PyMethodDef prefix_functions[];
+
+DL_EXPORT(void)
+initmodule(void)
+{
+ PyObject *m, *d;
+
+ /* perform any initialisation required by the library here */
+
+ m = Py_InitModule("module", prefix_functions);
+ d = PyModule_GetDict(m);
+
+ init_pygtk();
+
+ prefix_register_classes(d);
+
+ /* add anything else to the module dictionary (such as constants) */
+
+ if (PyErr_Occurred())
+ Py_FatalError("could not initialise module module");
+}
diff --git a/bindings/python/codegen/h2def.py b/bindings/python/codegen/h2def.py
new file mode 100755
index 0000000..d4b2135
--- /dev/null
+++ b/bindings/python/codegen/h2def.py
@@ -0,0 +1,536 @@
+#!/usr/bin/env python
+# -*- Mode: Python; py-indent-offset: 4 -*-
+# Search through a header file looking for function prototypes.
+# For each prototype, generate a scheme style definition.
+# GPL'ed
+# Toby D. Reeves <toby@max.rl.plh.af.mil>
+#
+# Modified by James Henstridge <james@daa.com.au> to output stuff in
+# Havoc's new defs format. Info on this format can be seen at:
+# http://www.gnome.org/mailing-lists/archives/gtk-devel-list/2000-January/0085.shtml
+# Updated to be PEP-8 compatible and refactored to use OOP
+
+import getopt
+import os
+import re
+import string
+import sys
+
+import defsparser
+
+# ------------------ Create typecodes from typenames ---------
+
+_upperstr_pat1 = re.compile(r'([^A-Z])([A-Z])')
+_upperstr_pat2 = re.compile(r'([A-Z][A-Z])([A-Z][0-9a-z])')
+_upperstr_pat3 = re.compile(r'^([A-Z])([A-Z])')
+
+def to_upper_str(name):
+ """Converts a typename to the equivalent upercase and underscores
+ name. This is used to form the type conversion macros and enum/flag
+ name variables"""
+ name = _upperstr_pat1.sub(r'\1_\2', name)
+ name = _upperstr_pat2.sub(r'\1_\2', name)
+ name = _upperstr_pat3.sub(r'\1_\2', name, count=1)
+ return string.upper(name)
+
+def typecode(typename):
+ """create a typecode (eg. GTK_TYPE_WIDGET) from a typename"""
+ return string.replace(to_upper_str(typename), '_', '_TYPE_', 1)
+
+
+# ------------------ Find object definitions -----------------
+
+def strip_comments(buf):
+ parts = []
+ lastpos = 0
+ while 1:
+ pos = string.find(buf, '/*', lastpos)
+ if pos >= 0:
+ parts.append(buf[lastpos:pos])
+ pos = string.find(buf, '*/', pos)
+ if pos >= 0:
+ lastpos = pos + 2
+ else:
+ break
+ else:
+ parts.append(buf[lastpos:])
+ break
+ return string.join(parts, '')
+
+obj_name_pat = "[A-Z][a-z]*[A-Z][A-Za-z0-9]*"
+
+split_prefix_pat = re.compile('([A-Z]+[a-z]*)([A-Za-z0-9]+)')
+
+def find_obj_defs(buf, objdefs=[]):
+ """
+ Try to find object definitions in header files.
+ """
+
+ # filter out comments from buffer.
+ buf = strip_comments(buf)
+
+ maybeobjdefs = [] # contains all possible objects from file
+
+ # first find all structures that look like they may represent a GtkObject
+ pat = re.compile("struct _(" + obj_name_pat + ")\s*{\s*" +
+ "(" + obj_name_pat + ")\s+", re.MULTILINE)
+ pos = 0
+ while pos < len(buf):
+ m = pat.search(buf, pos)
+ if not m: break
+ maybeobjdefs.append((m.group(1), m.group(2)))
+ pos = m.end()
+
+ # handle typedef struct { ... } style struct defs.
+ pat = re.compile("typedef struct\s+[_\w]*\s*{\s*" +
+ "(" + obj_name_pat + ")\s+[^}]*}\s*" +
+ "(" + obj_name_pat + ")\s*;", re.MULTILINE)
+ pos = 0
+ while pos < len(buf):
+ m = pat.search(buf, pos)
+ if not m: break
+ maybeobjdefs.append((m.group(2), m.group(2)))
+ pos = m.end()
+
+ # now find all structures that look like they might represent a class:
+ pat = re.compile("struct _(" + obj_name_pat + ")Class\s*{\s*" +
+ "(" + obj_name_pat + ")Class\s+", re.MULTILINE)
+ pos = 0
+ while pos < len(buf):
+ m = pat.search(buf, pos)
+ if not m: break
+ t = (m.group(1), m.group(2))
+ # if we find an object structure together with a corresponding
+ # class structure, then we have probably found a GtkObject subclass.
+ if t in maybeobjdefs:
+ objdefs.append(t)
+ pos = m.end()
+
+ pat = re.compile("typedef struct\s+[_\w]*\s*{\s*" +
+ "(" + obj_name_pat + ")Class\s+[^}]*}\s*" +
+ "(" + obj_name_pat + ")Class\s*;", re.MULTILINE)
+ pos = 0
+ while pos < len(buf):
+ m = pat.search(buf, pos)
+ if not m: break
+ t = (m.group(2), m.group(1))
+ # if we find an object structure together with a corresponding
+ # class structure, then we have probably found a GtkObject subclass.
+ if t in maybeobjdefs:
+ objdefs.append(t)
+ pos = m.end()
+
+ # now find all structures that look like they might represent
+ # a class inherited from GTypeInterface:
+ pat = re.compile("struct _(" + obj_name_pat + ")Class\s*{\s*" +
+ "GTypeInterface\s+", re.MULTILINE)
+ pos = 0
+ while pos < len(buf):
+ m = pat.search(buf, pos)
+ if not m: break
+ t = (m.group(1), '')
+ t2 = (m.group(1)+'Class', 'GTypeInterface')
+ # if we find an object structure together with a corresponding
+ # class structure, then we have probably found a GtkObject subclass.
+ if t2 in maybeobjdefs:
+ objdefs.append(t)
+ pos = m.end()
+
+ # now find all structures that look like they might represent
+ # an Iface inherited from GTypeInterface:
+ pat = re.compile("struct _(" + obj_name_pat + ")Iface\s*{\s*" +
+ "GTypeInterface\s+", re.MULTILINE)
+ pos = 0
+ while pos < len(buf):
+ m = pat.search(buf, pos)
+ if not m: break
+ t = (m.group(1), '')
+ t2 = (m.group(1)+'Iface', 'GTypeInterface')
+ # if we find an object structure together with a corresponding
+ # class structure, then we have probably found a GtkObject subclass.
+ if t2 in maybeobjdefs:
+ objdefs.append(t)
+ pos = m.end()
+
+def sort_obj_defs(objdefs):
+ objdefs.sort() # not strictly needed, but looks nice
+ pos = 0
+ while pos < len(objdefs):
+ klass,parent = objdefs[pos]
+ for i in range(pos+1, len(objdefs)):
+ # parent below subclass ... reorder
+ if objdefs[i][0] == parent:
+ objdefs.insert(i+1, objdefs[pos])
+ del objdefs[pos]
+ break
+ else:
+ pos = pos + 1
+ return objdefs
+
+# ------------------ Find enum definitions -----------------
+
+def find_enum_defs(buf, enums=[]):
+ # strip comments
+ # bulk comments
+ buf = strip_comments(buf)
+
+ buf = re.sub('\n', ' ', buf)
+
+ enum_pat = re.compile(r'enum\s*{([^}]*)}\s*([A-Z][A-Za-z]*)(\s|;)')
+ splitter = re.compile(r'\s*,\s', re.MULTILINE)
+ pos = 0
+ while pos < len(buf):
+ m = enum_pat.search(buf, pos)
+ if not m: break
+
+ name = m.group(2)
+ vals = m.group(1)
+ isflags = string.find(vals, '<<') >= 0
+ entries = []
+ for val in splitter.split(vals):
+ if not string.strip(val): continue
+ entries.append(string.split(val)[0])
+ if name != 'GdkCursorType':
+ enums.append((name, isflags, entries))
+
+ pos = m.end()
+
+# ------------------ Find function definitions -----------------
+
+def clean_func(buf):
+ """
+ Ideally would make buf have a single prototype on each line.
+ Actually just cuts out a good deal of junk, but leaves lines
+ where a regex can figure prototypes out.
+ """
+ # bulk comments
+ buf = strip_comments(buf)
+
+ # compact continued lines
+ pat = re.compile(r"""\\\n""", re.MULTILINE)
+ buf = pat.sub('', buf)
+
+ # Preprocess directives
+ pat = re.compile(r"""^[#].*?$""", re.MULTILINE)
+ buf = pat.sub('', buf)
+
+ #typedefs, stucts, and enums
+ pat = re.compile(r"""^(typedef|struct|enum)(\s|.|\n)*?;\s*""",
+ re.MULTILINE)
+ buf = pat.sub('', buf)
+
+ #strip DECLS macros
+ pat = re.compile(r"""G_BEGIN_DECLS|BEGIN_LIBGTOP_DECLS""", re.MULTILINE)
+ buf = pat.sub('', buf)
+
+ #extern "C"
+ pat = re.compile(r"""^\s*(extern)\s+\"C\"\s+{""", re.MULTILINE)
+ buf = pat.sub('', buf)
+
+ #multiple whitespace
+ pat = re.compile(r"""\s+""", re.MULTILINE)
+ buf = pat.sub(' ', buf)
+
+ #clean up line ends
+ pat = re.compile(r""";\s*""", re.MULTILINE)
+ buf = pat.sub('\n', buf)
+ buf = buf.lstrip()
+
+ #associate *, &, and [] with type instead of variable
+ #pat = re.compile(r'\s+([*|&]+)\s*(\w+)')
+ pat = re.compile(r' \s* ([*|&]+) \s* (\w+)', re.VERBOSE)
+ buf = pat.sub(r'\1 \2', buf)
+ pat = re.compile(r'\s+ (\w+) \[ \s* \]', re.VERBOSE)
+ buf = pat.sub(r'[] \1', buf)
+
+ # make return types that are const work.
+ buf = string.replace(buf, 'G_CONST_RETURN ', 'const-')
+ buf = string.replace(buf, 'const ', 'const-')
+
+ return buf
+
+proto_pat=re.compile(r"""
+(?P<ret>(-|\w|\&|\*)+\s*) # return type
+\s+ # skip whitespace
+(?P<func>\w+)\s*[(] # match the function name until the opening (
+\s*(?P<args>.*?)\s*[)] # group the function arguments
+""", re.IGNORECASE|re.VERBOSE)
+#"""
+arg_split_pat = re.compile("\s*,\s*")
+
+get_type_pat = re.compile(r'(const-)?([A-Za-z0-9]+)\*?\s+')
+pointer_pat = re.compile('.*\*$')
+func_new_pat = re.compile('(\w+)_new$')
+
+class DefsWriter:
+ def __init__(self, fp=None, prefix=None, verbose=False,
+ defsfilter=None):
+ if not fp:
+ fp = sys.stdout
+
+ self.fp = fp
+ self.prefix = prefix
+ self.verbose = verbose
+
+ self._enums = {}
+ self._objects = {}
+ self._functions = {}
+ if defsfilter:
+ filter = defsparser.DefsParser(defsfilter)
+ filter.startParsing()
+ for func in filter.functions + filter.methods.values():
+ self._functions[func.c_name] = func
+ for obj in filter.objects + filter.boxes + filter.interfaces:
+ self._objects[obj.c_name] = func
+ for obj in filter.enums:
+ self._enums[obj.c_name] = func
+
+ def write_def(self, deffile):
+ buf = open(deffile).read()
+
+ self.fp.write('\n;; From %s\n\n' % os.path.basename(deffile))
+ self._define_func(buf)
+ self.fp.write('\n')
+
+ def write_enum_defs(self, enums, fp=None):
+ if not fp:
+ fp = self.fp
+
+ fp.write(';; Enumerations and flags ...\n\n')
+ trans = string.maketrans(string.uppercase + '_',
+ string.lowercase + '-')
+ filter = self._enums
+ for cname, isflags, entries in enums:
+ if filter:
+ if cname in filter:
+ continue
+ name = cname
+ module = None
+ m = split_prefix_pat.match(cname)
+ if m:
+ module = m.group(1)
+ name = m.group(2)
+ if isflags:
+ fp.write('(define-flags ' + name + '\n')
+ else:
+ fp.write('(define-enum ' + name + '\n')
+ if module:
+ fp.write(' (in-module "' + module + '")\n')
+ fp.write(' (c-name "' + cname + '")\n')
+ fp.write(' (gtype-id "' + typecode(cname) + '")\n')
+ prefix = entries[0]
+ for ent in entries:
+ # shorten prefix til we get a match ...
+ # and handle GDK_FONT_FONT, GDK_FONT_FONTSET case
+ while ent[:len(prefix)] != prefix or len(prefix) >= len(ent):
+ prefix = prefix[:-1]
+ prefix_len = len(prefix)
+ fp.write(' (values\n')
+ for ent in entries:
+ fp.write(' \'("%s" "%s")\n' %
+ (string.translate(ent[prefix_len:], trans), ent))
+ fp.write(' )\n')
+ fp.write(')\n\n')
+
+ def write_obj_defs(self, objdefs, fp=None):
+ if not fp:
+ fp = self.fp
+
+ fp.write(';; -*- scheme -*-\n')
+ fp.write('; object definitions ...\n')
+
+ filter = self._objects
+ for klass, parent in objdefs:
+ if filter:
+ if klass in filter:
+ continue
+ m = split_prefix_pat.match(klass)
+ cmodule = None
+ cname = klass
+ if m:
+ cmodule = m.group(1)
+ cname = m.group(2)
+ fp.write('(define-object ' + cname + '\n')
+ if cmodule:
+ fp.write(' (in-module "' + cmodule + '")\n')
+ if parent:
+ fp.write(' (parent "' + parent + '")\n')
+ fp.write(' (c-name "' + klass + '")\n')
+ fp.write(' (gtype-id "' + typecode(klass) + '")\n')
+ # should do something about accessible fields
+ fp.write(')\n\n')
+
+ def _define_func(self, buf):
+ buf = clean_func(buf)
+ buf = string.split(buf,'\n')
+ filter = self._functions
+ for p in buf:
+ if not p:
+ continue
+ m = proto_pat.match(p)
+ if m == None:
+ if self.verbose:
+ sys.stderr.write('No match:|%s|\n' % p)
+ continue
+ func = m.group('func')
+ if func[0] == '_':
+ continue
+ if filter:
+ if func in filter:
+ continue
+ ret = m.group('ret')
+ args = m.group('args')
+ args = arg_split_pat.split(args)
+ for i in range(len(args)):
+ spaces = string.count(args[i], ' ')
+ if spaces > 1:
+ args[i] = string.replace(args[i], ' ', '-', spaces - 1)
+
+ self._write_func(func, ret, args)
+
+ def _write_func(self, name, ret, args):
+ if len(args) >= 1:
+ # methods must have at least one argument
+ munged_name = name.replace('_', '')
+ m = get_type_pat.match(args[0])
+ if m:
+ obj = m.group(2)
+ if munged_name[:len(obj)] == obj.lower():
+ self._write_method(obj, name, ret, args)
+ return
+
+ if self.prefix:
+ l = len(self.prefix)
+ if name[:l] == self.prefix and name[l] == '_':
+ fname = name[l+1:]
+ else:
+ fname = name
+ else:
+ fname = name
+
+ # it is either a constructor or normal function
+ self.fp.write('(define-function ' + fname + '\n')
+ self.fp.write(' (c-name "' + name + '")\n')
+
+ # Hmmm... Let's asume that a constructor function name
+ # ends with '_new' and it returns a pointer.
+ m = func_new_pat.match(name)
+ if pointer_pat.match(ret) and m:
+ cname = ''
+ for s in m.group(1).split ('_'):
+ cname += s.title()
+ if cname != '':
+ self.fp.write(' (is-constructor-of "' + cname + '")\n')
+
+ self._write_return(ret)
+ self._write_arguments(args)
+
+ def _write_method(self, obj, name, ret, args):
+ regex = string.join(map(lambda x: x+'_?', string.lower(obj)),'')
+ mname = re.sub(regex, '', name, 1)
+ if self.prefix:
+ l = len(self.prefix) + 1
+ if mname[:l] == self.prefix and mname[l+1] == '_':
+ mname = mname[l+1:]
+ self.fp.write('(define-method ' + mname + '\n')
+ self.fp.write(' (of-object "' + obj + '")\n')
+ self.fp.write(' (c-name "' + name + '")\n')
+ self._write_return(ret)
+ self._write_arguments(args[1:])
+
+ def _write_return(self, ret):
+ if ret != 'void':
+ self.fp.write(' (return-type "' + ret + '")\n')
+ else:
+ self.fp.write(' (return-type "none")\n')
+
+ def _write_arguments(self, args):
+ is_varargs = 0
+ has_args = len(args) > 0
+ for arg in args:
+ if arg == '...':
+ is_varargs = 1
+ elif arg in ('void', 'void '):
+ has_args = 0
+ if has_args:
+ self.fp.write(' (parameters\n')
+ for arg in args:
+ if arg != '...':
+ tupleArg = tuple(string.split(arg))
+ if len(tupleArg) == 2:
+ self.fp.write(' \'("%s" "%s")\n' % tupleArg)
+ self.fp.write(' )\n')
+ if is_varargs:
+ self.fp.write(' (varargs #t)\n')
+ self.fp.write(')\n\n')
+
+# ------------------ Main function -----------------
+
+def main(args):
+ verbose = False
+ onlyenums = False
+ onlyobjdefs = False
+ separate = False
+ modulename = None
+ defsfilter = None
+ opts, args = getopt.getopt(args[1:], 'vs:m:f:',
+ ['onlyenums', 'onlyobjdefs',
+ 'modulename=', 'separate=',
+ 'defsfilter='])
+ for o, v in opts:
+ if o == '-v':
+ verbose = True
+ if o == '--onlyenums':
+ onlyenums = True
+ if o == '--onlyobjdefs':
+ onlyobjdefs = True
+ if o in ('-s', '--separate'):
+ separate = v
+ if o in ('-m', '--modulename'):
+ modulename = v
+ if o in ('-f', '--defsfilter'):
+ defsfilter = v
+
+ if not args[0:1]:
+ print 'Must specify at least one input file name'
+ return -1
+
+ # read all the object definitions in
+ objdefs = []
+ enums = []
+ for filename in args:
+ buf = open(filename).read()
+ find_obj_defs(buf, objdefs)
+ find_enum_defs(buf, enums)
+ objdefs = sort_obj_defs(objdefs)
+
+ if separate:
+ methods = file(separate + '.defs', 'w')
+ types = file(separate + '-types.defs', 'w')
+
+ dw = DefsWriter(methods, prefix=modulename, verbose=verbose,
+ defsfilter=defsfilter)
+ dw.write_obj_defs(objdefs, types)
+ dw.write_enum_defs(enums, types)
+ print "Wrote %s-types.defs" % separate
+
+ for filename in args:
+ dw.write_def(filename)
+ print "Wrote %s.defs" % separate
+ else:
+ dw = DefsWriter(prefix=modulename, verbose=verbose,
+ defsfilter=defsfilter)
+
+ if onlyenums:
+ dw.write_enum_defs(enums)
+ elif onlyobjdefs:
+ dw.write_obj_defs(objdefs)
+ else:
+ dw.write_obj_defs(objdefs)
+ dw.write_enum_defs(enums)
+
+ for filename in args:
+ dw.write_def(filename)
+
+if __name__ == '__main__':
+ sys.exit(main(sys.argv))
diff --git a/bindings/python/codegen/mergedefs.py b/bindings/python/codegen/mergedefs.py
new file mode 100755
index 0000000..773e499
--- /dev/null
+++ b/bindings/python/codegen/mergedefs.py
@@ -0,0 +1,26 @@
+#!/usr/bin/env python
+# -*- Mode: Python; py-indent-offset: 4 -*-
+
+import optparse
+
+import defsparser
+
+parser = optparse.OptionParser(
+ usage="usage: %prog [options] generated-defs old-defs")
+parser.add_option("-p", "--merge-parameters",
+ help="Merge changes in function/methods parameter lists",
+ action="store_true", dest="parmerge", default=False)
+(options, args) = parser.parse_args()
+
+if len(args) != 2:
+ parser.error("wrong number of arguments")
+
+newp = defsparser.DefsParser(args[0])
+oldp = defsparser.DefsParser(args[1])
+
+newp.startParsing()
+oldp.startParsing()
+
+newp.merge(oldp, options.parmerge)
+
+newp.write_defs()
diff --git a/bindings/python/codegen/mkskel.py b/bindings/python/codegen/mkskel.py
new file mode 100755
index 0000000..61f520b
--- /dev/null
+++ b/bindings/python/codegen/mkskel.py
@@ -0,0 +1,89 @@
+#!/usr/bin/env python
+# -*- Mode: Python; py-indent-offset: 4 -*-
+
+import sys, os, getopt
+
+module_init_template = \
+'/* -*- Mode: C; c-basic-offset: 4 -*- */\n' + \
+'#ifdef HAVE_CONFIG_H\n' + \
+'# include "config.h"\n' + \
+'#endif\n' + \
+'#include <Python.h>\n' + \
+'#include <pygtk.h>\n' + \
+'\n' + \
+'/* include any extra headers needed here */\n' + \
+'\n' + \
+'void %(prefix)s_register_classes(PyObject *d);\n' + \
+'extern PyMethodDef %(prefix)s_functions[];\n' + \
+'\n' + \
+'DL_EXPORT(void)\n' + \
+'init%(module)s(void)\n' + \
+'{\n' + \
+' PyObject *m, *d;\n' + \
+'\n' + \
+' /* perform any initialisation required by the library here */\n' + \
+'\n' + \
+' m = Py_InitModule("%(module)s", %(prefix)s_functions);\n' + \
+' d = PyModule_GetDict(m);\n' + \
+'\n' + \
+' init_pygtk();\n' + \
+'\n' + \
+' %(prefix)s_register_classes(d);\n' + \
+'\n' + \
+' /* add anything else to the module dictionary (such as constants) */\n' +\
+'\n' + \
+' if (PyErr_Occurred())\n' + \
+' Py_FatalError("could not initialise module %(module)s");\n' + \
+'}\n'
+
+override_template = \
+'/* -*- Mode: C; c-basic-offset: 4 -*- */\n' + \
+'%%%%\n' + \
+'headers\n' + \
+'/* include any required headers here */\n' + \
+'%%%%\n' + \
+'init\n' + \
+' /* include any code here that needs to be executed before the\n' + \
+' * extension classes get initialised */\n' + \
+'%%%%\n' + \
+'\n' + \
+'/* you should add appropriate ignore, ignore-glob and\n' + \
+' * override sections here */\n'
+
+def open_with_backup(file):
+ if os.path.exists(file):
+ try:
+ os.rename(file, file+'~')
+ except OSError:
+ # fail silently if we can't make a backup
+ pass
+ return open(file, 'w')
+
+def write_skels(fileprefix, prefix, module):
+ fp = open_with_backup(fileprefix+'module.c')
+ fp.write(module_init_template % { 'prefix': prefix, 'module': module })
+ fp.close()
+ fp = open_with_backup(fileprefix+'.override')
+ fp.write(override_template % { 'prefix': prefix, 'module': module })
+ fp.close()
+
+if __name__ == '__main__':
+ opts, args = getopt.getopt(sys.argv[1:], 'f:p:m:h',
+ ['file-prefix=', 'prefix=', 'module=', 'help'])
+ fileprefix = None
+ prefix = None
+ module = None
+ for opt, arg in opts:
+ if opt in ('-f', '--file-prefix'):
+ fileprefix = arg
+ elif opt in ('-p', '--prefix'):
+ prefix = arg
+ elif opt in ('-m', '--module'):
+ module = arg
+ elif opt in ('-h', '--help'):
+ print 'usage: mkskel.py -f fileprefix -p prefix -m module'
+ sys.exit(0)
+ if not fileprefix or not prefix or not module:
+ print 'usage: mkskel.py -f fileprefix -p prefix -m module'
+ sys.exit(1)
+ write_skels(fileprefix, prefix, module)
diff --git a/bindings/python/codegen/override.py b/bindings/python/codegen/override.py
new file mode 100644
index 0000000..2e8c6a4
--- /dev/null
+++ b/bindings/python/codegen/override.py
@@ -0,0 +1,288 @@
+# -*- Mode: Python; py-indent-offset: 4 -*-
+
+# this file contains code for loading up an override file. The override file
+# provides implementations of functions where the code generator could not
+# do its job correctly.
+
+import fnmatch
+import os
+import re
+import string
+import sys
+
+def class2cname(klass, method):
+ c_name = ''
+ for c in klass:
+ if c.isupper():
+ c_name += '_' + c.lower()
+ else:
+ c_name += c
+ return c_name[1:] + '_' + method
+
+import_pat = re.compile(r'\s*import\s+(\S+)\.([^\s.]+)\s+as\s+(\S+)')
+
+class Overrides:
+ def __init__(self, filename=None, path=[]):
+ self.modulename = None
+ self.ignores = {}
+ self.glob_ignores = []
+ self.type_ignores = {}
+ self.overrides = {}
+ self.overridden = {}
+ self.kwargs = {}
+ self.noargs = {}
+ self.onearg = {}
+ self.staticmethod = {}
+ self.classmethod = {}
+ self.startlines = {}
+ self.override_attrs = {}
+ self.override_slots = {}
+ self.headers = ''
+ self.body = ''
+ self.init = ''
+ self.imports = []
+ self.defines = {}
+ self.functions = {}
+ self.newstyle_constructors = {}
+ self.path = [os.path.abspath(x) for x in path]
+ if filename:
+ self.handle_file(filename)
+
+ def handle_file(self, filename):
+ oldpath = os.getcwd()
+
+ fp = None
+ for path in self.path:
+ os.chdir(oldpath)
+ os.chdir(path)
+ try:
+ fp = open(filename, 'r')
+ break
+ except:
+ os.chdir(oldpath)
+ if not fp:
+ raise Exception, "Couldn't find file %s" % filename
+
+ dirname = path
+
+ if dirname != oldpath:
+ os.chdir(dirname)
+
+ # read all the components of the file ...
+ bufs = []
+ startline = 1
+ lines = []
+ line = fp.readline()
+ linenum = 1
+ while line:
+ if line == '%%\n' or line == '%%':
+ if lines:
+ bufs.append((string.join(lines, ''), startline))
+ startline = linenum + 1
+ lines = []
+ else:
+ lines.append(line)
+ line = fp.readline()
+ linenum = linenum + 1
+ if lines:
+ bufs.append((string.join(lines, ''), startline))
+ if not bufs: return
+
+ for buf, startline in bufs:
+ self.__parse_override(buf, startline, filename)
+
+ os.chdir(oldpath)
+
+ def __parse_override(self, buffer, startline, filename):
+ pos = string.find(buffer, '\n')
+ if pos >= 0:
+ line = buffer[:pos]
+ rest = buffer[pos+1:]
+ else:
+ line = buffer ; rest = ''
+ words = string.split(line)
+ command = words[0]
+ if (command == 'ignore' or
+ command == 'ignore-' + sys.platform):
+ "ignore/ignore-platform [functions..]"
+ for func in words[1:]:
+ self.ignores[func] = 1
+ for func in string.split(rest):
+ self.ignores[func] = 1
+ elif (command == 'ignore-glob' or
+ command == 'ignore-glob-' + sys.platform):
+ "ignore-glob/ignore-glob-platform [globs..]"
+ for func in words[1:]:
+ self.glob_ignores.append(func)
+ for func in string.split(rest):
+ self.glob_ignores.append(func)
+ elif (command == 'ignore-type' or
+ command == 'ignore-type-' + sys.platform):
+ "ignore-type/ignore-type-platform [typenames..]"
+ for typename in words[1:]:
+ self.type_ignores[typename] = 1
+ for typename in string.split(rest):
+ self.type_ignores[typename] = 1
+ elif command == 'override':
+ "override function/method [kwargs|noargs|onearg] [staticmethod|classmethod]"
+ func = words[1]
+ if 'kwargs' in words[1:]:
+ self.kwargs[func] = 1
+ elif 'noargs' in words[1:]:
+ self.noargs[func] = 1
+ elif 'onearg' in words[1:]:
+ self.onearg[func] = True
+
+ if 'staticmethod' in words[1:]:
+ self.staticmethod[func] = True
+ elif 'classmethod' in words[1:]:
+ self.classmethod[func] = True
+ if func in self.overrides:
+ raise RuntimeError("Function %s is being overridden more than once" % (func,))
+ self.overrides[func] = rest
+ self.startlines[func] = (startline + 1, filename)
+ elif command == 'override-attr':
+ "override-slot Class.attr"
+ attr = words[1]
+ self.override_attrs[attr] = rest
+ self.startlines[attr] = (startline + 1, filename)
+ elif command == 'override-slot':
+ "override-slot Class.slot"
+ slot = words[1]
+ self.override_slots[slot] = rest
+ self.startlines[slot] = (startline + 1, filename)
+ elif command == 'headers':
+ "headers"
+ self.headers = '%s\n#line %d "%s"\n%s' % \
+ (self.headers, startline + 1, filename, rest)
+ elif command == 'body':
+ "body"
+ self.body = '%s\n#line %d "%s"\n%s' % \
+ (self.body, startline + 1, filename, rest)
+ elif command == 'init':
+ "init"
+ self.init = '%s\n#line %d "%s"\n%s' % \
+ (self.init, startline + 1, filename, rest)
+ elif command == 'modulename':
+ "modulename name"
+ self.modulename = words[1]
+ elif command == 'include':
+ "include filename"
+ for filename in words[1:]:
+ self.handle_file(filename)
+ for filename in string.split(rest):
+ self.handle_file(filename)
+ elif command == 'import':
+ "import module1 [\n module2, \n module3 ...]"
+ for line in string.split(buffer, '\n'):
+ match = import_pat.match(line)
+ if match:
+ self.imports.append(match.groups())
+ elif command == 'define':
+ "define funcname [kwargs|noargs|onearg] [classmethod|staticmethod]"
+ "define Class.method [kwargs|noargs|onearg] [classmethod|staticmethod]"
+ func = words[1]
+ klass = None
+ if func.find('.') != -1:
+ klass, func = func.split('.', 1)
+
+ if not self.defines.has_key(klass):
+ self.defines[klass] = {}
+ self.defines[klass][func] = rest
+ else:
+ self.functions[func] = rest
+
+ if 'kwargs' in words[1:]:
+ self.kwargs[func] = 1
+ elif 'noargs' in words[1:]:
+ self.noargs[func] = 1
+ elif 'onearg' in words[1:]:
+ self.onearg[func] = 1
+
+ if 'staticmethod' in words[1:]:
+ self.staticmethod[func] = True
+ elif 'classmethod' in words[1:]:
+ self.classmethod[func] = True
+
+ self.startlines[func] = (startline + 1, filename)
+
+ elif command == 'new-constructor':
+ "new-constructor GType"
+ gtype, = words[1:]
+ self.newstyle_constructors[gtype] = True
+
+ def is_ignored(self, name):
+ if self.ignores.has_key(name):
+ return 1
+ for glob in self.glob_ignores:
+ if fnmatch.fnmatchcase(name, glob):
+ return 1
+ return 0
+
+ def is_type_ignored(self, name):
+ return name in self.type_ignores
+
+ def is_overriden(self, name):
+ return self.overrides.has_key(name)
+
+ def is_already_included(self, name):
+ return self.overridden.has_key(name)
+
+ def override(self, name):
+ self.overridden[name] = 1
+ return self.overrides[name]
+
+ def define(self, klass, name):
+ self.overridden[class2cname(klass, name)] = 1
+ return self.defines[klass][name]
+
+ def function(self, name):
+ return self.functions[name]
+
+ def getstartline(self, name):
+ return self.startlines[name]
+
+ def wants_kwargs(self, name):
+ return self.kwargs.has_key(name)
+
+ def wants_noargs(self, name):
+ return self.noargs.has_key(name)
+
+ def wants_onearg(self, name):
+ return self.onearg.has_key(name)
+
+ def is_staticmethod(self, name):
+ return self.staticmethod.has_key(name)
+
+ def is_classmethod(self, name):
+ return self.classmethod.has_key(name)
+
+ def attr_is_overriden(self, attr):
+ return self.override_attrs.has_key(attr)
+
+ def attr_override(self, attr):
+ return self.override_attrs[attr]
+
+ def slot_is_overriden(self, slot):
+ return self.override_slots.has_key(slot)
+
+ def slot_override(self, slot):
+ return self.override_slots[slot]
+
+ def get_headers(self):
+ return self.headers
+
+ def get_body(self):
+ return self.body
+
+ def get_init(self):
+ return self.init
+
+ def get_imports(self):
+ return self.imports
+
+ def get_defines_for(self, klass):
+ return self.defines.get(klass, {})
+
+ def get_functions(self):
+ return self.functions
diff --git a/bindings/python/codegen/reversewrapper.py b/bindings/python/codegen/reversewrapper.py
new file mode 100644
index 0000000..f528828
--- /dev/null
+++ b/bindings/python/codegen/reversewrapper.py
@@ -0,0 +1,771 @@
+### -*- python -*-
+### Code to generate "Reverse Wrappers", i.e. C->Python wrappers
+### (C) 2004 Gustavo Carneiro <gjc@gnome.org>
+import argtypes
+import os
+
+DEBUG_MODE = ('PYGTK_CODEGEN_DEBUG' in os.environ)
+
+def join_ctype_name(ctype, name):
+ '''Joins a C type and a variable name into a single string'''
+ if ctype[-1] != '*':
+ return " ".join((ctype, name))
+ else:
+ return "".join((ctype, name))
+
+
+class CodeSink(object):
+ def __init__(self):
+ self.indent_level = 0 # current indent level
+ self.indent_stack = [] # previous indent levels
+
+ def _format_code(self, code):
+ assert isinstance(code, str)
+ l = []
+ for line in code.split('\n'):
+ l.append(' '*self.indent_level + line)
+ if l[-1]:
+ l.append('')
+ return '\n'.join(l)
+
+ def writeln(self, line=''):
+ raise NotImplementedError
+
+ def indent(self, level=4):
+ '''Add a certain ammount of indentation to all lines written
+ from now on and until unindent() is called'''
+ self.indent_stack.append(self.indent_level)
+ self.indent_level += level
+
+ def unindent(self):
+ '''Revert indentation level to the value before last indent() call'''
+ self.indent_level = self.indent_stack.pop()
+
+
+class FileCodeSink(CodeSink):
+ def __init__(self, fp):
+ CodeSink.__init__(self)
+ assert isinstance(fp, file)
+ self.fp = fp
+
+ def writeln(self, line=''):
+ self.fp.write(self._format_code(line))
+
+class MemoryCodeSink(CodeSink):
+ def __init__(self):
+ CodeSink.__init__(self)
+ self.lines = []
+
+ def writeln(self, line=''):
+ self.lines.append(self._format_code(line))
+
+ def flush_to(self, sink):
+ assert isinstance(sink, CodeSink)
+ for line in self.lines:
+ sink.writeln(line.rstrip())
+ self.lines = []
+
+ def flush(self):
+ l = []
+ for line in self.lines:
+ l.append(self._format_code(line))
+ self.lines = []
+ return "".join(l)
+
+class ReverseWrapper(object):
+ '''Object that generates a C->Python wrapper'''
+ def __init__(self, cname, is_static=True):
+ assert isinstance(cname, str)
+
+ self.cname = cname
+ ## function object we will call, or object whose method we will call
+ self.called_pyobj = None
+ ## name of method of self.called_pyobj we will call
+ self.method_name = None
+ self.is_static = is_static
+
+ self.parameters = []
+ self.declarations = MemoryCodeSink()
+ self.post_return_code = MemoryCodeSink()
+ self.body = MemoryCodeSink()
+ self.cleanup_actions = []
+ self.pyargv_items = []
+ self.pyargv_optional_items = []
+ self.pyret_parse_items = [] # list of (format_spec, parameter)
+
+ def set_call_target(self, called_pyobj, method_name=None):
+ assert called_pyobj is not None
+ assert self.called_pyobj is None
+ self.called_pyobj = called_pyobj
+ self.method_name = method_name
+
+ def set_return_type(self, return_type):
+ assert isinstance(return_type, ReturnType)
+ self.return_type = return_type
+
+ def add_parameter(self, param):
+ assert isinstance(param, Parameter)
+ self.parameters.append(param)
+
+ def add_declaration(self, decl_code):
+ self.declarations.writeln(decl_code)
+
+ def add_pyargv_item(self, variable, optional=False):
+ if optional:
+ self.pyargv_optional_items.append(variable)
+ else:
+ self.pyargv_items.append(variable)
+
+ def add_pyret_parse_item(self, format_specifier, parameter, prepend=False):
+ if prepend:
+ self.pyret_parse_items.insert(0, (format_specifier, parameter))
+ else:
+ self.pyret_parse_items.append((format_specifier, parameter))
+
+ def write_code(self, code,
+ cleanup=None,
+ failure_expression=None,
+ failure_cleanup=None,
+ failure_exception=None,
+ code_sink=None):
+ '''Add a chunk of code with cleanup and error handling
+
+ This method is to be used by TypeHandlers when generating code
+
+ Keywork arguments:
+ code -- code to add
+ cleanup -- code to cleanup any dynamic resources created by @code
+ (except in case of failure) (default None)
+ failure_expression -- C boolean expression to indicate
+ if anything failed (default None)
+ failure_cleanup -- code to cleanup any dynamic resources
+ created by @code in case of failure (default None)
+ failure_exception -- code to raise an exception in case of
+ failure (which will be immediately
+ printed and cleared), (default None)
+ code_sink -- "code sink" to use; by default,
+ ReverseWrapper.body is used, which writes the
+ main body of the wrapper, before calling the
+ python method. Alternatively,
+ ReverseWrapper.after_pyret_parse can be used, to
+ write code after the PyArg_ParseTuple that
+ parses the python method return value.
+ '''
+ if code_sink is None:
+ code_sink = self.body
+ if code is not None:
+ code_sink.writeln(code)
+ if failure_expression is not None:
+ code_sink.writeln("if (%s) {" % (failure_expression,))
+ code_sink.indent()
+ if failure_exception is None:
+ code_sink.writeln("if (PyErr_Occurred())")
+ code_sink.indent()
+ code_sink.writeln("PyErr_Print();")
+ code_sink.unindent()
+ else:
+ code_sink.writeln(failure_exception)
+ code_sink.writeln("PyErr_Print();")
+ if failure_cleanup is not None:
+ code_sink.writeln(failure_cleanup)
+ for cleanup_action in self.cleanup_actions:
+ code_sink.writeln(cleanup_action)
+ self.return_type.write_error_return()
+ code_sink.unindent()
+ code_sink.writeln("}")
+ if cleanup is not None:
+ self.cleanup_actions.insert(0, cleanup)
+
+ def generate(self, sink):
+ '''Generate the code into a CodeSink object'''
+ assert isinstance(sink, CodeSink)
+
+ if DEBUG_MODE:
+ self.declarations.writeln("/* begin declarations */")
+ self.body.writeln("/* begin main body */")
+ self.post_return_code.writeln("/* begin post-return code */")
+
+ self.add_declaration("PyGILState_STATE __py_state;")
+ self.write_code(code="__py_state = pyg_gil_state_ensure();",
+ cleanup="pyg_gil_state_release(__py_state);")
+
+ for param in self.parameters:
+ param.convert_c2py()
+
+ assert self.called_pyobj is not None,\
+ "Parameters failed to provide a target function or method."
+
+ if self.is_static:
+ sink.writeln('static %s' % self.return_type.get_c_type())
+ else:
+ sink.writeln(self.return_type.get_c_type())
+ c_proto_params = map(Parameter.format_for_c_proto, self.parameters)
+ sink.writeln("%s(%s)\n{" % (self.cname, ", ".join(c_proto_params)))
+
+ self.return_type.write_decl()
+ self.add_declaration("PyObject *py_retval;")
+
+ ## Handle number of arguments
+ if self.pyargv_items:
+ self.add_declaration("PyObject *py_args;")
+ py_args = "py_args"
+ if self.pyargv_optional_items:
+ self.add_declaration("int argc = %i;" % len(self.pyargv_items))
+ argc = "argc"
+ for arg in self.pyargv_optional_items:
+ self.body.writeln("if (%s)" % arg)
+ self.body.indent()
+ self.body.writeln("++argc;")
+ self.body.unindent()
+ else:
+ argc = str(len(self.pyargv_items))
+ else:
+ if self.pyargv_optional_items:
+ self.add_declaration("PyObject *py_args;")
+ py_args = "py_args"
+ self.add_declaration("int argc = 0;")
+ argc = "argc"
+ for arg in self.pyargv_optional_items:
+ self.body.writeln("if (%s)" % arg)
+ self.body.indent()
+ self.body.writeln("++argc;")
+ self.body.unindent()
+ else:
+ py_args = "NULL"
+ argc = None
+
+ self.body.writeln()
+
+ if py_args != "NULL":
+ self.write_code("py_args = PyTuple_New(%s);" % argc,
+ cleanup="Py_DECREF(py_args);")
+ pos = 0
+ for arg in self.pyargv_items:
+ try: # try to remove the Py_DECREF cleanup action, if we can
+ self.cleanup_actions.remove("Py_DECREF(%s);" % arg)
+ except ValueError: # otherwise we have to Py_INCREF..
+ self.body.writeln("Py_INCREF(%s);" % arg)
+ self.body.writeln("PyTuple_SET_ITEM(%s, %i, %s);" % (py_args, pos, arg))
+ pos += 1
+ for arg in self.pyargv_optional_items:
+ self.body.writeln("if (%s) {" % arg)
+ self.body.indent()
+ try: # try to remove the Py_DECREF cleanup action, if we can
+ self.cleanup_actions.remove("Py_XDECREF(%s);" % arg)
+ except ValueError: # otherwise we have to Py_INCREF..
+ self.body.writeln("Py_INCREF(%s);" % arg)
+ self.body.writeln("PyTuple_SET_ITEM(%s, %i, %s);" % (py_args, pos, arg))
+ self.body.unindent()
+ self.body.writeln("}")
+ pos += 1
+
+ self.body.writeln()
+
+ ## Call the python method
+ if self.method_name is None:
+ self.write_code("py_retval = PyObject_Call(%s, %s);"
+ % (self.called_pyobj, py_args),
+ cleanup="Py_DECREF(py_retval);",
+ failure_expression="!py_retval")
+ else:
+ self.add_declaration("PyObject *py_method;")
+ self.write_code("py_method = PyObject_GetAttrString(%s, \"%s\");"
+ % (self.called_pyobj, self.method_name),
+ cleanup="Py_DECREF(py_method);",
+ failure_expression="!py_method")
+ self.write_code("py_retval = PyObject_CallObject(py_method, %s);"
+ % (py_args,),
+ cleanup="Py_DECREF(py_retval);",
+ failure_expression="!py_retval")
+
+ ## -- Handle the return value --
+
+ ## we need to check if the return_type object is prepared to cooperate with multiple return values
+ len_before = len(self.pyret_parse_items)
+ self.return_type.write_conversion()
+ len_after = len(self.pyret_parse_items)
+ assert (self.return_type.get_c_type() == 'void'
+ or not (len_before == len_after and len_after > 0)),\
+ ("Bug in reverse wrappers: return type handler %s"
+ " is not prepared to cooperate multiple return values") % (type(self.return_type),)
+
+ sink.indent()
+
+ if len(self.pyret_parse_items) == 1:
+ ## if retval is one item only, pack it in a tuple so we
+ ## can use PyArg_ParseTuple as usual..
+ self.write_code('py_retval = Py_BuildValue("(N)", py_retval);')
+ if len(self.pyret_parse_items) > 0:
+ ## Parse return values using PyArg_ParseTuple
+ self.write_code(code=None, failure_expression=(
+ '!PyArg_ParseTuple(py_retval, "%s", %s)' % (
+ "".join([format for format, param in self.pyret_parse_items]),
+ ", ".join([param for format, param in self.pyret_parse_items]))))
+
+ if DEBUG_MODE:
+ self.declarations.writeln("/* end declarations */")
+ self.declarations.flush_to(sink)
+ sink.writeln()
+ if DEBUG_MODE:
+ self.body.writeln("/* end main body */")
+ self.body.flush_to(sink)
+ sink.writeln()
+ if DEBUG_MODE:
+ self.post_return_code.writeln("/* end post-return code */")
+ self.post_return_code.flush_to(sink)
+ sink.writeln()
+
+ for cleanup_action in self.cleanup_actions:
+ sink.writeln(cleanup_action)
+ if self.return_type.get_c_type() != 'void':
+ sink.writeln()
+ sink.writeln("return retval;")
+ sink.unindent()
+ sink.writeln("}")
+
+class TypeHandler(object):
+ def __init__(self, wrapper, **props):
+ assert isinstance(wrapper, ReverseWrapper)
+ self.wrapper = wrapper
+ self.props = props
+
+class ReturnType(TypeHandler):
+
+ def get_c_type(self):
+ raise NotImplementedError
+
+ def write_decl(self):
+ raise NotImplementedError
+
+ def write_error_return(self):
+ '''Write "return <value>" code in case of error'''
+ raise NotImplementedError
+
+ def write_conversion(self):
+ '''Writes code to convert Python return value in 'py_retval'
+ into C 'retval'. Returns a string with C boolean expression
+ that determines if anything went wrong. '''
+ raise NotImplementedError
+
+class Parameter(TypeHandler):
+
+ def __init__(self, wrapper, name, **props):
+ TypeHandler.__init__(self, wrapper, **props)
+ self.name = name
+
+ def get_c_type(self):
+ raise NotImplementedError
+
+ def convert_c2py(self):
+ '''Write some code before calling the Python method.'''
+ pass
+
+ def format_for_c_proto(self):
+ return join_ctype_name(self.get_c_type(), self.name)
+
+
+###---
+class StringParam(Parameter):
+
+ def get_c_type(self):
+ return self.props.get('c_type', 'char *').replace('const-', 'const ')
+
+ def convert_c2py(self):
+ if self.props.get('optional', False):
+ self.wrapper.add_declaration("PyObject *py_%s = NULL;" % self.name)
+ self.wrapper.write_code(code=("if (%s)\n"
+ " py_%s = PyString_FromString(%s);\n"
+ % (self.name, self.name, self.name)),
+ cleanup=("Py_XDECREF(py_%s);" % self.name))
+ self.wrapper.add_pyargv_item("py_%s" % self.name, optional=True)
+ else:
+ self.wrapper.add_declaration("PyObject *py_%s;" % self.name)
+ self.wrapper.write_code(code=("py_%s = PyString_FromString(%s);" %
+ (self.name, self.name)),
+ cleanup=("Py_DECREF(py_%s);" % self.name),
+ failure_expression=("!py_%s" % self.name))
+ self.wrapper.add_pyargv_item("py_%s" % self.name)
+
+for ctype in ('char*', 'gchar*', 'const-char*', 'char-const*', 'const-gchar*',
+ 'gchar-const*', 'string', 'static_string'):
+ argtypes.matcher.register_reverse(ctype, StringParam)
+del ctype
+
+class StringReturn(ReturnType):
+
+ def get_c_type(self):
+ return "char *"
+
+ def write_decl(self):
+ self.wrapper.add_declaration("char *retval;")
+
+ def write_error_return(self):
+ self.wrapper.write_code("return NULL;")
+
+ def write_conversion(self):
+ self.wrapper.add_pyret_parse_item("s", "&retval", prepend=True)
+ self.wrapper.write_code("retval = g_strdup(retval);", code_sink=self.wrapper.post_return_code)
+
+for ctype in ('char*', 'gchar*'):
+ argtypes.matcher.register_reverse_ret(ctype, StringReturn)
+del ctype
+
+
+class VoidReturn(ReturnType):
+
+ def get_c_type(self):
+ return "void"
+
+ def write_decl(self):
+ pass
+
+ def write_error_return(self):
+ self.wrapper.write_code("return;")
+
+ def write_conversion(self):
+ self.wrapper.write_code(
+ code=None,
+ failure_expression="py_retval != Py_None",
+ failure_cleanup='PyErr_SetString(PyExc_TypeError, "retval should be None");')
+
+argtypes.matcher.register_reverse_ret('void', VoidReturn)
+argtypes.matcher.register_reverse_ret('none', VoidReturn)
+
+class GObjectParam(Parameter):
+
+ def get_c_type(self):
+ return self.props.get('c_type', 'GObject *')
+
+ def convert_c2py(self):
+ self.wrapper.add_declaration("PyObject *py_%s = NULL;" % self.name)
+ self.wrapper.write_code(code=("if (%s)\n"
+ " py_%s = pygobject_new((GObject *) %s);\n"
+ "else {\n"
+ " Py_INCREF(Py_None);\n"
+ " py_%s = Py_None;\n"
+ "}"
+ % (self.name, self.name, self.name, self.name)),
+ cleanup=("Py_DECREF(py_%s);" % self.name))
+ self.wrapper.add_pyargv_item("py_%s" % self.name)
+
+argtypes.matcher.register_reverse('GObject*', GObjectParam)
+
+class GObjectReturn(ReturnType):
+
+ def get_c_type(self):
+ return self.props.get('c_type', 'GObject *')
+
+ def write_decl(self):
+ self.wrapper.add_declaration("%s retval;" % self.get_c_type())
+
+ def write_error_return(self):
+ self.wrapper.write_code("return NULL;")
+
+ def write_conversion(self):
+ self.wrapper.write_code(
+ code=None,
+ failure_expression="!PyObject_TypeCheck(py_retval, &PyGObject_Type)",
+ failure_exception='PyErr_SetString(PyExc_TypeError, "retval should be a GObject");')
+ self.wrapper.write_code("retval = (%s) pygobject_get(py_retval);"
+ % self.get_c_type())
+ self.wrapper.write_code("g_object_ref((GObject *) retval);")
+
+argtypes.matcher.register_reverse_ret('GObject*', GObjectReturn)
+
+
+
+class IntParam(Parameter):
+
+ def get_c_type(self):
+ return self.props.get('c_type', 'int')
+
+ def convert_c2py(self):
+ self.wrapper.add_declaration("PyObject *py_%s;" % self.name)
+ self.wrapper.write_code(code=("py_%s = PyInt_FromLong(%s);" %
+ (self.name, self.name)),
+ cleanup=("Py_DECREF(py_%s);" % self.name))
+ self.wrapper.add_pyargv_item("py_%s" % self.name)
+
+class IntReturn(ReturnType):
+ def get_c_type(self):
+ return self.props.get('c_type', 'int')
+ def write_decl(self):
+ self.wrapper.add_declaration("%s retval;" % self.get_c_type())
+ def write_error_return(self):
+ self.wrapper.write_code("return -G_MAXINT;")
+ def write_conversion(self):
+ self.wrapper.add_pyret_parse_item("i", "&retval", prepend=True)
+
+for argtype in ('int', 'gint', 'guint', 'short', 'gshort', 'gushort', 'long',
+ 'glong', 'gsize', 'gssize', 'guint8', 'gint8', 'guint16',
+ 'gint16', 'gint32', 'GTime'):
+ argtypes.matcher.register_reverse(argtype, IntParam)
+ argtypes.matcher.register_reverse_ret(argtype, IntReturn)
+del argtype
+
+class IntPtrParam(Parameter):
+ def __init__(self, wrapper, name, **props):
+ if "direction" not in props:
+ raise ValueError("cannot use int* parameter without direction")
+ if props["direction"] not in ("out", "inout"):
+ raise ValueError("cannot use int* parameter with direction '%s'" % (props["direction"],))
+ Parameter.__init__(self, wrapper, name, **props)
+ def get_c_type(self):
+ return self.props.get('c_type', 'int*')
+ def convert_c2py(self):
+ if self.props["direction"] == "inout":
+ self.wrapper.add_declaration("PyObject *py_%s;" % self.name)
+ self.wrapper.write_code(code=("py_%s = PyInt_FromLong(*%s);" %
+ (self.name, self.name)),
+ cleanup=("Py_DECREF(py_%s);" % self.name))
+ self.wrapper.add_pyargv_item("py_%s" % self.name)
+ self.wrapper.add_pyret_parse_item("i", self.name)
+for argtype in ('int*', 'gint*'):
+ argtypes.matcher.register_reverse(argtype, IntPtrParam)
+del argtype
+
+
+class GEnumReturn(IntReturn):
+ def write_conversion(self):
+ self.wrapper.write_code(
+ code=None,
+ failure_expression=("pyg_enum_get_value(%s, py_retval, (gint *)&retval)" %
+ self.props['typecode']))
+
+argtypes.matcher.register_reverse_ret("GEnum", GEnumReturn)
+
+class GEnumParam(IntParam):
+ def convert_c2py(self):
+ self.wrapper.add_declaration("PyObject *py_%s;" % self.name)
+ self.wrapper.write_code(code=("py_%s = pyg_enum_from_gtype(%s, %s);" %
+ (self.name, self.props['typecode'], self.name)),
+ cleanup=("Py_DECREF(py_%s);" % self.name),
+ failure_expression=("!py_%s" % self.name))
+ self.wrapper.add_pyargv_item("py_%s" % self.name)
+
+argtypes.matcher.register_reverse("GEnum", GEnumParam)
+
+class GFlagsReturn(IntReturn):
+ def write_conversion(self):
+ self.wrapper.write_code(
+ code=None,
+ failure_expression=("pyg_flags_get_value(%s, py_retval, (gint *)&retval)" %
+ self.props['typecode']))
+
+argtypes.matcher.register_reverse_ret("GFlags", GFlagsReturn)
+
+class GFlagsParam(IntParam):
+ def convert_c2py(self):
+ self.wrapper.add_declaration("PyObject *py_%s;" % self.name)
+ self.wrapper.write_code(code=("py_%s = pyg_flags_from_gtype(%s, %s);" %
+ (self.name, self.props['typecode'], self.name)),
+ cleanup=("Py_DECREF(py_%s);" % self.name),
+ failure_expression=("!py_%s" % self.name))
+ self.wrapper.add_pyargv_item("py_%s" % self.name)
+
+argtypes.matcher.register_reverse("GFlags", GFlagsParam)
+
+
+class GtkTreePathParam(IntParam):
+ def convert_c2py(self):
+ self.wrapper.add_declaration("PyObject *py_%s;" % self.name)
+ self.wrapper.write_code(code=("py_%s = pygtk_tree_path_to_pyobject(%s);" %
+ (self.name, self.name)),
+ cleanup=("Py_DECREF(py_%s);" % self.name),
+ failure_expression=("!py_%s" % self.name))
+ self.wrapper.add_pyargv_item("py_%s" % self.name)
+
+argtypes.matcher.register_reverse("GtkTreePath*", GtkTreePathParam)
+
+
+class BooleanReturn(ReturnType):
+ def get_c_type(self):
+ return "gboolean"
+ def write_decl(self):
+ self.wrapper.add_declaration("gboolean retval;")
+ self.wrapper.add_declaration("PyObject *py_main_retval;")
+ def write_error_return(self):
+ self.wrapper.write_code("return FALSE;")
+ def write_conversion(self):
+ self.wrapper.add_pyret_parse_item("O", "&py_main_retval", prepend=True)
+ self.wrapper.write_code("retval = PyObject_IsTrue(py_main_retval)? TRUE : FALSE;",
+ code_sink=self.wrapper.post_return_code)
+argtypes.matcher.register_reverse_ret("gboolean", BooleanReturn)
+
+class BooleanParam(Parameter):
+ def get_c_type(self):
+ return "gboolean"
+ def convert_c2py(self):
+ self.wrapper.add_declaration("PyObject *py_%s;" % self.name)
+ self.wrapper.write_code("py_%s = %s? Py_True : Py_False;"
+ % (self.name, self.name))
+ self.wrapper.add_pyargv_item("py_%s" % self.name)
+
+argtypes.matcher.register_reverse("gboolean", BooleanParam)
+
+
+class DoubleParam(Parameter):
+ def get_c_type(self):
+ return self.props.get('c_type', 'gdouble')
+ def convert_c2py(self):
+ self.wrapper.add_declaration("PyObject *py_%s;" % self.name)
+ self.wrapper.write_code(code=("py_%s = PyFloat_FromDouble(%s);" %
+ (self.name, self.name)),
+ cleanup=("Py_DECREF(py_%s);" % self.name))
+ self.wrapper.add_pyargv_item("py_%s" % self.name)
+
+class DoublePtrParam(Parameter):
+ def __init__(self, wrapper, name, **props):
+ if "direction" not in props:
+ raise ValueError("cannot use double* parameter without direction")
+ if props["direction"] not in ("out", ): # inout not yet implemented
+ raise ValueError("cannot use double* parameter with direction '%s'" % (props["direction"],))
+ Parameter.__init__(self, wrapper, name, **props)
+ def get_c_type(self):
+ return self.props.get('c_type', 'double*')
+ def convert_c2py(self):
+ self.wrapper.add_pyret_parse_item("d", self.name)
+for argtype in ('double*', 'gdouble*'):
+ argtypes.matcher.register_reverse(argtype, DoublePtrParam)
+del argtype
+
+class DoubleReturn(ReturnType):
+ def get_c_type(self):
+ return self.props.get('c_type', 'gdouble')
+ def write_decl(self):
+ self.wrapper.add_declaration("%s retval;" % self.get_c_type())
+ def write_error_return(self):
+ self.wrapper.write_code("return -G_MAXFLOAT;")
+ def write_conversion(self):
+ self.wrapper.write_code(
+ code=None,
+ failure_expression="!PyFloat_AsDouble(py_retval)",
+ failure_cleanup='PyErr_SetString(PyExc_TypeError, "retval should be a float");')
+ self.wrapper.write_code("retval = PyFloat_AsDouble(py_retval);")
+
+for argtype in ('float', 'double', 'gfloat', 'gdouble'):
+ argtypes.matcher.register_reverse(argtype, DoubleParam)
+ argtypes.matcher.register_reverse_ret(argtype, DoubleReturn)
+
+
+class GBoxedParam(Parameter):
+ def get_c_type(self):
+ return self.props.get('c_type').replace('const-', 'const ')
+ def convert_c2py(self):
+ self.wrapper.add_declaration("PyObject *py_%s;" % self.name)
+ ctype = self.get_c_type()
+ if ctype.startswith('const '):
+ ctype_no_const = ctype[len('const '):]
+ self.wrapper.write_code(
+ code=('py_%s = pyg_boxed_new(%s, (%s) %s, TRUE, TRUE);' %
+ (self.name, self.props['typecode'],
+ ctype_no_const, self.name)),
+ cleanup=("Py_DECREF(py_%s);" % self.name))
+ else:
+ self.wrapper.write_code(
+ code=('py_%s = pyg_boxed_new(%s, %s, FALSE, FALSE);' %
+ (self.name, self.props['typecode'], self.name)),
+ cleanup=("Py_DECREF(py_%s);" % self.name))
+ self.wrapper.add_pyargv_item("py_%s" % self.name)
+
+argtypes.matcher.register_reverse("GBoxed", GBoxedParam)
+
+class GBoxedReturn(ReturnType):
+ def get_c_type(self):
+ return self.props.get('c_type')
+ def write_decl(self):
+ self.wrapper.add_declaration("%s retval;" % self.get_c_type())
+ def write_error_return(self):
+ self.wrapper.write_code("return retval;")
+ def write_conversion(self):
+ self.wrapper.write_code(
+ failure_expression=("!pyg_boxed_check(py_retval, %s)" %
+ (self.props['typecode'],)),
+ failure_cleanup=('PyErr_SetString(PyExc_TypeError, "retval should be a %s");'
+ % (self.props['typename'],)))
+ self.wrapper.write_code('retval = pyg_boxed_get(py_retval, %s);' %
+ self.props['typename'])
+
+argtypes.matcher.register_reverse_ret("GBoxed", GBoxedReturn)
+
+
+class GdkRectanglePtrParam(Parameter):
+ def get_c_type(self):
+ return self.props.get('c_type').replace('const-', 'const ')
+ def convert_c2py(self):
+ self.wrapper.add_declaration("PyObject *py_%s;" % self.name)
+ self.wrapper.write_code(
+ code=('py_%s = pyg_boxed_new(GDK_TYPE_RECTANGLE, %s, TRUE, TRUE);' %
+ (self.name, self.name)),
+ cleanup=("Py_DECREF(py_%s);" % self.name))
+ self.wrapper.add_pyargv_item("py_%s" % self.name)
+
+argtypes.matcher.register_reverse("GdkRectangle*", GdkRectanglePtrParam)
+argtypes.matcher.register_reverse('GtkAllocation*', GdkRectanglePtrParam)
+
+
+class PyGObjectMethodParam(Parameter):
+ def __init__(self, wrapper, name, method_name, **props):
+ Parameter.__init__(self, wrapper, name, **props)
+ self.method_name = method_name
+
+ def get_c_type(self):
+ return self.props.get('c_type', 'GObject *')
+
+ def convert_c2py(self):
+ self.wrapper.add_declaration("PyObject *py_%s;" % self.name)
+ self.wrapper.write_code(code=("py_%s = pygobject_new((GObject *) %s);" %
+ (self.name, self.name)),
+ cleanup=("Py_DECREF(py_%s);" % self.name),
+ failure_expression=("!py_%s" % self.name))
+ self.wrapper.set_call_target("py_%s" % self.name, self.method_name)
+
+class CallbackInUserDataParam(Parameter):
+ def __init__(self, wrapper, name, free_it, **props):
+ Parameter.__init__(self, wrapper, name, **props)
+ self.free_it = free_it
+
+ def get_c_type(self):
+ return "gpointer"
+
+ def convert_c2py(self):
+ self.wrapper.add_declaration("PyObject **_user_data;")
+ cleanup = self.free_it and ("g_free(%s);" % self.name) or None
+ self.wrapper.write_code(code=("_real_user_data = (PyObject **) %s;"
+ % self.name),
+ cleanup=cleanup)
+
+ self.wrapper.add_declaration("PyObject *py_func;")
+ cleanup = self.free_it and "Py_DECREF(py_func);" or None
+ self.wrapper.write_code(code="py_func = _user_data[0];",
+ cleanup=cleanup)
+ self.wrapper.set_call_target("py_func")
+
+ self.wrapper.add_declaration("PyObject *py_user_data;")
+ cleanup = self.free_it and "Py_XDECREF(py_user_data);" or None
+ self.wrapper.write_code(code="py_user_data = _user_data[1];",
+ cleanup=cleanup)
+ self.wrapper.add_pyargv_item("py_user_data", optional=True)
+
+def _test():
+ import sys
+
+ if 1:
+ wrapper = ReverseWrapper("this_is_the_c_function_name", is_static=True)
+ wrapper.set_return_type(StringReturn(wrapper))
+ wrapper.add_parameter(PyGObjectMethodParam(wrapper, "self", method_name="do_xxx"))
+ wrapper.add_parameter(StringParam(wrapper, "param2", optional=True))
+ wrapper.add_parameter(GObjectParam(wrapper, "param3"))
+ #wrapper.add_parameter(InoutIntParam(wrapper, "param4"))
+ wrapper.generate(FileCodeSink(sys.stderr))
+
+ if 0:
+ wrapper = ReverseWrapper("this_a_callback_wrapper")
+ wrapper.set_return_type(VoidReturn(wrapper))
+ wrapper.add_parameter(StringParam(wrapper, "param1", optional=False))
+ wrapper.add_parameter(GObjectParam(wrapper, "param2"))
+ wrapper.add_parameter(CallbackInUserDataParam(wrapper, "data", free_it=True))
+ wrapper.generate(FileCodeSink(sys.stderr))
+
+if __name__ == '__main__':
+ _test()
diff --git a/bindings/python/codegen/scmexpr.py b/bindings/python/codegen/scmexpr.py
new file mode 100644
index 0000000..d08c517
--- /dev/null
+++ b/bindings/python/codegen/scmexpr.py
@@ -0,0 +1,144 @@
+#!/usr/bin/env python
+# -*- Mode: Python; py-indent-offset: 4 -*-
+from __future__ import generators
+
+import string
+import types
+from cStringIO import StringIO
+
+class error(Exception):
+ def __init__(self, filename, lineno, msg):
+ Exception.__init__(self, msg)
+ self.filename = filename
+ self.lineno = lineno
+ self.msg = msg
+ def __str__(self):
+ return '%s:%d: error: %s' % (self.filename, self.lineno, self.msg)
+
+trans = [' '] * 256
+for i in range(256):
+ if chr(i) in string.letters + string.digits + '_':
+ trans[i] = chr(i)
+ else:
+ trans[i] = '_'
+trans = string.join(trans, '')
+
+def parse(filename):
+ if isinstance(filename, str):
+ fp = open(filename, 'r')
+ else: # if not string, assume it is some kind of iterator
+ fp = filename
+ filename = getattr(fp, 'name', '<unknown>')
+ whitespace = ' \t\n\r\x0b\x0c'
+ nonsymbol = whitespace + '();\'"'
+ stack = []
+ openlines = []
+ lineno = 0
+ for line in fp:
+ pos = 0
+ lineno += 1
+ while pos < len(line):
+ if line[pos] in whitespace: # ignore whitespace
+ pass
+ elif line[pos] == ';': # comment
+ break
+ elif line[pos:pos+2] == "'(":
+ pass # the open parenthesis will be handled next iteration
+ elif line[pos] == '(':
+ stack.append(())
+ openlines.append(lineno)
+ elif line[pos] == ')':
+ if len(stack) == 0:
+ raise error(filename, lineno, 'close parenthesis found when none open')
+ closed = stack[-1]
+ del stack[-1]
+ del openlines[-1]
+ if stack:
+ stack[-1] += (closed,)
+ else:
+ yield closed
+ elif line[pos] == '"': # quoted string
+ if not stack:
+ raise error(filename, lineno,
+ 'string found outside of s-expression')
+ endpos = pos + 1
+ chars = []
+ while endpos < len(line):
+ if endpos+1 < len(line) and line[endpos] == '\\':
+ endpos += 1
+ if line[endpos] == 'n':
+ chars.append('\n')
+ elif line[endpos] == 'r':
+ chars.append('\r')
+ elif line[endpos] == 't':
+ chars.append('\t')
+ else:
+ chars.append('\\')
+ chars.append(line[endpos])
+ elif line[endpos] == '"':
+ break
+ else:
+ chars.append(line[endpos])
+ endpos += 1
+ if endpos >= len(line):
+ raise error(filename, lineno, "unclosed quoted string")
+ pos = endpos
+ stack[-1] += (''.join(chars),)
+ else: # symbol/number
+ if not stack:
+ raise error(filename, lineno,
+ 'identifier found outside of s-expression')
+ endpos = pos
+ while endpos < len(line) and line[endpos] not in nonsymbol:
+ endpos += 1
+ symbol = line[pos:endpos]
+ pos = max(pos, endpos-1)
+ try: symbol = int(symbol)
+ except ValueError:
+ try: symbol = float(symbol)
+ except ValueError: pass
+ stack[-1] += (symbol,)
+ pos += 1
+ if len(stack) != 0:
+ msg = '%d unclosed parentheses found at end of ' \
+ 'file (opened on line(s) %s)' % (len(stack),
+ ', '.join(map(str, openlines)))
+ raise error(filename, lineno, msg)
+
+class Parser:
+ def __init__(self, filename):
+ """Argument is either a string, a parse tree, or file object"""
+ self.filename = filename
+ def startParsing(self, filename=None):
+ statements = parse(filename or self.filename)
+ for statement in statements:
+ self.handle(statement)
+ def handle(self, tup):
+ cmd = string.translate(tup[0], trans)
+ if hasattr(self, cmd):
+ getattr(self, cmd)(*tup[1:])
+ else:
+ self.unknown(tup)
+ def unknown(self, tup):
+ pass
+
+_testString = """; a scheme file
+(define-func gdk_font_load ; a comment at end of line
+ GdkFont
+ ((string name)))
+
+(define-boxed GdkEvent
+ gdk_event_copy
+ gdk_event_free
+ "sizeof(GdkEvent)")
+"""
+
+if __name__ == '__main__':
+ import sys
+ if sys.argv[1:]:
+ fp = open(sys.argv[1])
+ else:
+ fp = StringIO(_testString)
+ statements = parse(fp)
+ for s in statements:
+ print `s`
diff --git a/bindings/python/rtspserver-types.defs b/bindings/python/rtspserver-types.defs
new file mode 100644
index 0000000..133ed8f
--- /dev/null
+++ b/bindings/python/rtspserver-types.defs
@@ -0,0 +1,6 @@
+(define-object Server
+ (in-module "Gst.RTSPServer")
+ (parent "GObject")
+ (c-name "GstRTSPServer")
+ (gtype-id "GST_TYPE_RTSP_SERVER")
+)
diff --git a/bindings/python/rtspserver.defs b/bindings/python/rtspserver.defs
new file mode 100644
index 0000000..4442f9f
--- /dev/null
+++ b/bindings/python/rtspserver.defs
@@ -0,0 +1,16 @@
+(include "rtspserver-types.defs")
+
+(define-function rtsp_server_new
+ (c-name "gst_rtsp_server_new")
+ (is-constructor-of "GstRTSPServer")
+ (return-type "GstRTSPServer*")
+)
+
+(define-method attach
+ (of-object "GstRTSPServer")
+ (c-name "gst_rtsp_server_attach")
+ (return-type "guint")
+ (parameters
+ '("GMainContext*" "context")
+ )
+)
diff --git a/bindings/python/rtspserver.override b/bindings/python/rtspserver.override
new file mode 100644
index 0000000..ca705ed
--- /dev/null
+++ b/bindings/python/rtspserver.override
@@ -0,0 +1,52 @@
+/* -*- Mode: C; c-basic-offset: 4 -*- */
+%%
+headers
+/* include any required headers here */
+#define NO_IMPORT_PYGOBJECT
+#include <pygobject.h>
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+/* Boonky define that allows for backwards compatibility with Python 2.4 */
+#if PY_VERSION_HEX < 0x02050000
+#define Py_ssize_t int
+#endif
+
+#include "rtsp-server.h"
+
+typedef struct {
+ PyObject_HEAD
+ GMainContext *context;
+} PyGMainContext;
+
+%%
+import gobject.GObject as PyGObject_Type
+import gobject.MainContext as PyGMainContext_Type
+
+%%
+override gst_rtsp_server_attach kwargs
+static PyObject *
+_wrap_gst_rtsp_server_attach (PyGObject *self,
+ PyObject *args, PyObject *keywords)
+{
+ static char *kwlist[] = {"context", NULL};
+ PyGMainContext *py_context = NULL;
+ GMainContext *context = NULL;
+ guint res;
+
+ if (!PyArg_ParseTupleAndKeywords (args, keywords,
+ "|O!:GstRTSPServer.__init__", kwlist,
+ &PyGMainContext_Type, &py_context))
+ return NULL;
+
+ if (py_context)
+ context = py_context->context;
+
+ pyg_begin_allow_threads;
+ res = gst_rtsp_server_attach (GST_RTSP_SERVER (self->obj), context);
+ pyg_end_allow_threads;
+
+ return PyLong_FromLong (res);
+}
diff --git a/bindings/python/rtspservermodule.c b/bindings/python/rtspservermodule.c
new file mode 100644
index 0000000..e5e7d56
--- /dev/null
+++ b/bindings/python/rtspservermodule.c
@@ -0,0 +1,31 @@
+/* -*- Mode: C; c-basic-offset: 4 -*- */
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+#include <Python.h>
+#include <pygobject.h>
+
+/* include any extra headers needed here */
+
+void pygst_rtsp_server_register_classes(PyObject *d);
+extern PyMethodDef pygst_rtsp_server_functions[];
+
+DL_EXPORT(void)
+initrtspserver(void)
+{
+ PyObject *m, *d;
+
+ /* perform any initialisation required by the library here */
+
+ m = Py_InitModule("rtspserver", pygst_rtsp_server_functions);
+ d = PyModule_GetDict(m);
+
+ init_pygobject();
+
+ pygst_rtsp_server_register_classes(d);
+
+ /* add anything else to the module dictionary (such as constants) */
+
+ if (PyErr_Occurred())
+ Py_FatalError("could not initialise module rtspserver");
+}
diff --git a/configure.ac b/configure.ac
index 2f56d38..cfbbc2e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -68,6 +68,11 @@ dnl *** checks for programs ***
dnl find a compiler
AC_PROG_CC
+AM_PROG_CC_C_O
+
+dnl check for python
+AM_PATH_PYTHON(2.3)
+AM_CHECK_PYTHON_HEADERS([HAVE_PYTHON_HEADERS="yes"], [HAVE_PYTHON_HEADERS="no"])
AC_PATH_PROG(VALGRIND_PATH, valgrind, no)
AM_CONDITIONAL(HAVE_VALGRIND, test ! "x$VALGRIND_PATH" = "xno")
@@ -109,6 +114,7 @@ if test "x$HAVE_PYTHON_HEADERS" = "xyes" -a \
else
HAVE_PYTHON_BINDINGS="no"
fi
+
AM_CONDITIONAL(WITH_PYTHON, [test "x$HAVE_PYTHON_BINDINGS" = "xyes"])
dnl Check for vala
@@ -128,7 +134,6 @@ if test "x$HAVE_VALA" = "xyes"; then
fi
AC_SUBST(VAPIDIR)
-
dnl *** checks for libraries ***
dnl *** checks for header files ***
@@ -267,6 +272,8 @@ gst/Makefile
gst/rtsp-server/Makefile
examples/Makefile
bindings/Makefile
+bindings/python/Makefile
+bindings/python/codegen/Makefile
bindings/vala/Makefile
pkgconfig/Makefile
pkgconfig/gst-rtsp-server.pc
@@ -281,6 +288,7 @@ Configuration
Prefix : ${prefix}
Compiler : ${CC}
Vala bindings : ${HAVE_VALA}
+ Python bindings: : ${HAVE_PYTHON_BINDINGS}
Gst-rtsp-server configured. Type 'make' to build.
"