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#*************************************************************************
#
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# Copyright 2000, 2010 Oracle and/or its affiliates.
#
# OpenOffice.org - a multi-platform office productivity suite
#
# This file is part of OpenOffice.org.
#
# OpenOffice.org is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License version 3
# only, as published by the Free Software Foundation.
#
# OpenOffice.org 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 Lesser General Public License version 3 for more details
# (a copy is included in the LICENSE file that accompanied this code).
#
# You should have received a copy of the GNU Lesser General Public License
# version 3 along with OpenOffice.org. If not, see
# <http://www.openoffice.org/license.html>
# for a copy of the LGPLv3 License.
#
#*************************************************************************
import uno
import unohelper
import sys
import imp
import os
from com.sun.star.uno import Exception,RuntimeException
from com.sun.star.loader import XImplementationLoader
from com.sun.star.lang import XServiceInfo
MODULE_PROTOCOL = "vnd.openoffice.pymodule:"
DEBUG = 0
g_supportedServices = "com.sun.star.loader.Python", # referenced by the native C++ loader !
g_implementationName = "org.openoffice.comp.pyuno.Loader" # referenced by the native C++ loader !
def splitUrl( url ):
nColon = url.find( ":" )
if -1 == nColon:
raise RuntimeException( "PythonLoader: No protocol in url " + url, None )
return url[0:nColon], url[nColon+1:len(url)]
g_loadedComponents = {}
def checkForPythonPathBesideComponent( url ):
path = unohelper.fileUrlToSystemPath( url+"/pythonpath.zip" );
if DEBUG == 1:
print "checking for existence of " + encfile( path )
if 1 == os.access( encfile( path ), os.F_OK) and not path in sys.path:
if DEBUG == 1:
print "adding " + encfile( path ) + " to sys.path"
sys.path.append( path )
path = unohelper.fileUrlToSystemPath( url+"/pythonpath" );
if 1 == os.access( encfile( path ), os.F_OK) and not path in sys.path:
if DEBUG == 1:
print "adding " + encfile( path ) + " to sys.path"
sys.path.append( path )
def encfile(uni):
return uni.encode( sys.getfilesystemencoding())
class Loader( XImplementationLoader, XServiceInfo, unohelper.Base ):
def __init__(self, ctx ):
if DEBUG:
print "pythonloader.Loader ctor"
self.ctx = ctx
def getModuleFromUrl( self, url ):
if DEBUG:
print "pythonloader: interpreting url " +url
protocol, dependent = splitUrl( url )
if "vnd.sun.star.expand" == protocol:
exp = self.ctx.getValueByName( "/singletons/com.sun.star.util.theMacroExpander" )
url = exp.expandMacros(dependent)
protocol,dependent = splitUrl( url )
if DEBUG:
print "pythonloader: after expansion " +protocol +":" + dependent
try:
if "file" == protocol:
# remove \..\ sequence, which may be useful e.g. in the build env
url = unohelper.absolutize( url, url )
# did we load the module already ?
mod = g_loadedComponents.get( url )
if not mod:
mod = imp.new_module("uno_component")
# check for pythonpath.zip beside .py files
checkForPythonPathBesideComponent( url[0:url.rfind('/')] )
# read the file
filename = unohelper.fileUrlToSystemPath( url )
fileHandle = file( filename )
src = fileHandle.read().replace("\r","")
if not src.endswith( "\n" ):
src = src + "\n"
# compile and execute the module
codeobject = compile( src, encfile(filename), "exec" )
exec codeobject in mod.__dict__
mod.__file__ = encfile(filename)
g_loadedComponents[url] = mod
return mod
elif "vnd.openoffice.pymodule" == protocol:
return __import__( dependent )
else:
raise RuntimeException( "PythonLoader: Unknown protocol " +
protocol + " in url " +url, self )
except ImportError, e:
raise RuntimeException( "Couldn't load "+url+ " for reason "+str(e), None)
return None
def activate( self, implementationName, dummy, locationUrl, regKey ):
if DEBUG:
print "pythonloader.Loader.activate"
mod = self.getModuleFromUrl( locationUrl )
implHelper = mod.__dict__.get( "g_ImplementationHelper" , None )
if implHelper == None:
return mod.getComponentFactory( implementationName, self.ctx.ServiceManager, regKey )
else:
return implHelper.getComponentFactory( implementationName,regKey,self.ctx.ServiceManager)
def writeRegistryInfo( self, regKey, dummy, locationUrl ):
if DEBUG:
print "pythonloader.Loader.writeRegistryInfo"
mod = self.getModuleFromUrl( locationUrl )
implHelper = mod.__dict__.get( "g_ImplementationHelper" , None )
if implHelper == None:
return mod.writeRegistryInfo( self.ctx.ServiceManager, regKey )
else:
return implHelper.writeRegistryInfo( regKey, self.ctx.ServiceManager )
def getImplementationName( self ):
return g_implementationName
def supportsService( self, ServiceName ):
return ServiceName in self.serviceNames
def getSupportedServiceNames( self ):
return g_supportedServices
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