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"""This file contains the DeviceManager class."""
import sys
import gobject
import gtk
import dbus
if getattr(dbus, "version", (0,0,0)) >= (0,41,0):
import dbus.glib
try:
import gnome.ui
except ImportError:
gnome_imported = 0
else:
gnome_imported = 1
import Const
from Representation import Representation
from Device import Device
from LibGladeApplication import LibGladeApplication
class DeviceManager(LibGladeApplication):
"""This is the main window for the application."""
def on_about_activate(self, w):
"""Show the about dialog."""
gnome.ui.About(Const.NAME_LONG, Const.VERSION, Const.COPYRIGHT,
Const.INFO, Const.AUTHORS).show()
def on_virtual_devices_activate(self, obj):
self.dont_show_virtual = 1 - self.dont_show_virtual
self.update_device_list()
def __init__(self):
"""Init the GUI and connect to the HAL daemon."""
LibGladeApplication.__init__(self, Const.DATADIR + "/hal-device-manager.glade")
ver = getattr(dbus, 'version', (0, 0, 0))
if ver < (0, 40, 0):
dialog = gtk.MessageDialog(None, gtk.DIALOG_MODAL,
gtk.MESSAGE_ERROR, gtk.BUTTONS_CLOSE,
"The DBus Python Bindings you are using are too old. "
"Make sure you have the latest version!")
dialog.run()
sys.exit(1)
if not gnome_imported:
self.xml.get_widget("about1").set_sensitive(0)
self.representation = Representation()
self.bus = dbus.SystemBus()
self.hal_manager_obj = self.bus.get_object("org.freedesktop.Hal",
"/org/freedesktop/Hal/Manager")
self.hal_manager = dbus.Interface(self.hal_manager_obj,
"org.freedesktop.Hal.Manager")
# gdl_changed will be invoked when the Global Device List is changed
# per the hal spec
self.hal_manager.connect_to_signal("DeviceAdded",
lambda *args: self.gdl_changed("DeviceAdded", *args))
self.hal_manager.connect_to_signal("DeviceRemoved",
lambda *args: self.gdl_changed("DeviceRemoved", *args))
self.hal_manager.connect_to_signal("NewCapability",
lambda *args: self.gdl_changed("NewCapability", *args))
# Add listeners for all devices
try:
device_names = self.hal_manager.GetAllDevices()
except:
dialog = gtk.MessageDialog(None, gtk.DIALOG_MODAL,
gtk.MESSAGE_ERROR, gtk.BUTTONS_CLOSE,
"Could not get device list. "
"Make sure hald is running!")
dialog.run()
sys.exit(1)
for name in device_names:
self.add_device_signal_recv (name);
self.dont_show_virtual = 1
self.update_device_list()
self.main_window.show()
def add_device_signal_recv (self, udi):
self.bus.add_signal_receiver(lambda *args: self.property_modified(udi, *args),
"PropertyModified",
"org.freedesktop.Hal.Device",
"org.freedesktop.Hal",
udi)
def remove_device_signal_recv (self, udi):
try:
self.bus.remove_signal_receiver(None,
"PropertyModified",
"org.freedesktop.Hal.Device",
"org.freedesktop.Hal",
udi)
except Exception, e:
print "Older versions of the D-BUS bindings have an error when removing signals. Please upgrade."
print e
def get_current_focus_udi(self):
"""Get the UDI of the currently focused device"""
(tree_model, tree_iter) = self.tree_selection.get_selected()
if tree_iter:
device_udi = tree_model.get_value(tree_iter, Const.UDI_COLUMN)
return device_udi
return None
def on_device_tree_selection_changed(self, tree_selection):
"""This method is called when the selection has changed in the
device tree"""
device_udi = self.get_current_focus_udi()
if device_udi != None:
device = self.udi_to_device(device_udi)
self.update_device_notebook(device)
def device_condition(self, device_udi, condition_name, condition_details):
"""This method is called when signals on the Device interface is
received"""
print "\nCondition device=%s"%device_udi
print " (condition_name, condition_details) = ('%s', '%s')"%(condition_name, condition_details)
def property_modified(self, device_udi, num_changes, change_list):
"""This method is called when signals on the Device interface is
received"""
print "\nPropertyModified, device=%s"%device_udi
for i in change_list:
property_name = i[0]
removed = i[1]
added = i[2]
print " key=%s, rem=%d, add=%d"%(property_name, removed, added)
if property_name=="info.parent":
self.update_device_list()
else:
device_udi_obj = self.bus.get_object("org.freedesktop.Hal", device_udi)
device_obj = self.udi_to_device(device_udi)
if device_udi_obj.PropertyExists(property_name, dbus_interface="org.freedesktop.Hal.Device"):
device_obj.properties[property_name] = device_udi_obj.GetProperty(property_name,
dbus_interface="org.freedesktop.Hal.Device")
print " value=%s"%(device_obj.properties[property_name])
else:
if device_obj != None:
try:
del device_obj.properties[property_name]
except:
pass
device_focus_udi = self.get_current_focus_udi()
if device_focus_udi != None:
device = self.udi_to_device(device_udi)
if device_focus_udi==device_udi:
self.update_device_notebook(device)
def gdl_changed(self, signal_name, device_udi, *args):
"""This method is called when a HAL device is added or removed."""
if signal_name=="DeviceAdded":
print "\nDeviceAdded, udi=%s"%(device_udi)
self.add_device_signal_recv (device_udi)
self.update_device_list()
elif signal_name=="DeviceRemoved":
print "\nDeviceRemoved, udi=%s"%(device_udi)
self.remove_device_signal_recv (device_udi)
self.update_device_list()
elif signal_name=="NewCapability":
[cap] = args
print "\nNewCapability, cap=%s, udi=%s"%(cap, device_udi)
else:
print "*** Unknown signal %s"% signal_name
def update_device_list(self):
"""Builds, or rebuilds, the device tree"""
# We use a virtual root device so we have a single tree
self.virtual_root = self.build_device_tree()
# (Name to display, device UDI)
try:
if self.tree_model:
pass
except:
self.tree_model = gtk.TreeStore(gtk.gdk.Pixbuf,
gobject.TYPE_STRING, gobject.TYPE_STRING)
while 1:
it = self.tree_model.get_iter_first()
if not it:
break
self.tree_model.remove(it)
self.virtual_root.populate_gtk_tree(self.tree_model,
self.dont_show_virtual,
self.representation)
tree_view = self.xml.get_widget("device_tree")
try:
if self.tree_selection:
pass
except:
self.tree_selection = tree_view.get_selection()
self.tree_selection.connect("changed",
self.on_device_tree_selection_changed)
# add new columns only first time
try:
if self.column_dt:
pass
except:
self.column_dt = gtk.TreeViewColumn()
self.column_dt.set_title("Devices")
render_pixbuf = gtk.CellRendererPixbuf()
self.column_dt.pack_start(render_pixbuf, expand=False)
self.column_dt.add_attribute(render_pixbuf, "pixbuf",
Const.PIXBUF_COLUMN)
render_text = gtk.CellRendererText()
self.column_dt.pack_start(render_text, expand=True)
self.column_dt.add_attribute(render_text, "text",
Const.TITLE_COLUMN)
tree_view.append_column(self.column_dt)
tree_view.set_model(self.tree_model)
tree_view.expand_all()
# Set focus to first element
tree_view.grab_focus()
self.update_device_notebook(self.virtual_root.children[0])
def udi_to_device(self, device_udi):
"""Given a HAL UDI (Unique Device Identifier) this method returns
the corresponding HAL device"""
return self.virtual_root.find_by_udi(device_udi)
def build_device_tree(self):
"""Retrieves the device list from the HAL daemon and builds
a tree of Device (Python) objects. The root is a virtual
device"""
device_names = self.hal_manager.GetAllDevices()
device_names.sort()
virtual_root = Device("virtual_root", None, {})
self.device_list = [virtual_root]
# first build list of Device objects
for name in device_names:
device_dbus_obj = self.bus.get_object("org.freedesktop.Hal" ,name)
properties = device_dbus_obj.GetAllProperties(dbus_interface="org.freedesktop.Hal.Device")
try:
parent_name = properties["info.parent"]
except KeyError:
# no parent, must be parent of virtual_root
parent_name = "/"
except TypeError:
print "Error: no properties for device %s"%name
continue
device = Device(name, parent_name, properties)
self.device_list.append(device)
# set parent_device and children for each Device object
for device in self.device_list:
parent_name = device.parent_name
device.parent_device = virtual_root
if parent_name!="/":
for p in self.device_list:
if p.device_name==parent_name:
device.parent_device = p
p.children.append(device)
if device!=virtual_root and device.parent_device==virtual_root:
virtual_root.children.append(device)
if device==virtual_root:
device.parent_device=None
return virtual_root
def update_tab_device(self, device):
"""Updates the 'Device' tab given a Device object"""
bus = self.xml.get_widget("ns_device_bus")
#state = self.xml.get_widget("ns_device_status")
vendor = self.xml.get_widget("ns_device_vendor")
product = self.xml.get_widget("ns_device_name")
category = self.xml.get_widget("ns_device_category")
capabilities = self.xml.get_widget("ns_device_capabilities")
if not device.properties.has_key("info.bus"):
product.set_label("Unknown")
vendor.set_label("Unknown")
else:
bus.set_label(Const.BUS_NAMES[device.properties["info.bus"]])
#state.set_label(Const.STATE_NAMES[device.properties["State"]])
# guestimate product and vendor if we have no device information file
if device.properties.has_key("info.bus") and device.properties["info.bus"]=="usb":
if device.properties.has_key("info.product"):
product.set_label("%s"%device.properties["info.product"])
elif device.properties.has_key("usb.product"):
product.set_label("%s"%device.properties["usb.product"])
elif device.properties.has_key("usb.product_id"):
product.set_label("Unknown (0x%x)"%device.properties["usb.product_id"])
else:
product.set_label("Unknown")
if device.properties.has_key("info.vendor"):
vendor.set_label("%s"%device.properties["info.vendor"])
elif device.properties.has_key("usb.vendor"):
vendor.set_label("%s"%device.properties["usb.vendor"])
elif device.properties.has_key("usb.vendor_id"):
vendor.set_label("Unknown (0x%x)"%device.properties["usb.vendor_id"])
else:
vendor.set_label("Unknown")
elif device.properties.has_key("info.bus") and device.properties["info.bus"]=="pci":
if device.properties.has_key("info.product"):
product.set_label("%s"%device.properties["info.product"])
elif device.properties.has_key("pci.product"):
product.set_label("%s"%device.properties["pci.product"])
elif device.properties.has_key("pci.product_id"):
product.set_label("Unknown (0x%x)"%device.properties["pci.product_id"])
else:
product.set_label("Unknown")
if device.properties.has_key("info.vendor"):
vendor.set_label("%s"%device.properties["info.vendor"])
elif device.properties.has_key("pci.vendor"):
vendor.set_label("%s"%device.properties["pci.vendor"])
elif device.properties.has_key("pci.vendor_id"):
vendor.set_label("Unknown (0x%x)"%device.properties["pci.vendor_id"])
else:
vendor.set_label("Unknown")
elif device.properties.has_key("info.bus") and device.properties["info.bus"]=="block":
if device.properties.has_key("info.product"):
product.set_label("%s"%device.properties["info.product"])
else:
product.set_label("Unknown")
if device.properties.has_key("info.vendor"):
vendor.set_label("%s"%device.properties["info.vendor"])
else:
vendor.set_label("Unknown")
else:
product.set_label("Unknown")
vendor.set_label("Unknown")
# clear category, capabilities
# set category, capabilities
if device.properties.has_key("info.category"):
category.set_label("%s"%device.properties["info.category"])
else:
category.set_label("Unknown")
if device.properties.has_key("info.capabilities"):
capabilities.set_label(", ".join(device.properties["info.capabilities"]))
else:
capabilities.set_label("Unknown")
def update_tab_usb(self, device):
"""Updates the 'USB' tab given a Device object; may hide it"""
page = self.xml.get_widget("device_notebook").get_nth_page(1)
if not device.properties.has_key("info.bus") or device.properties["info.bus"]!="usb":
page.hide_all()
return
page.show_all()
version = self.xml.get_widget("ns_usb_version")
bandwidth = self.xml.get_widget("ns_usb_bandwidth")
maxpower = self.xml.get_widget("ns_usb_maxpower")
man_id = self.xml.get_widget("ns_usb_man_id")
prod_id = self.xml.get_widget("ns_usb_prod_id")
revision = self.xml.get_widget("ns_usb_rev")
bcdVersion = device.properties["usb.version_bcd"]
version.set_label("%x.%x"%(bcdVersion>>8, bcdVersion&0xff))
bcdSpeed = device.properties["usb.speed_bcd"]
bandwidth.set_label("%x.%x Mbit/s"%(bcdSpeed>>8, bcdSpeed&0xff))
maxpower.set_label("%d mA"%(device.properties["usb.max_power"]))
if not device.properties.has_key("usb.vendor"):
man_id.set_label("0x%04x"%(device.properties["usb.vendor_id"]))
else:
man_id.set_label("%s"%(device.properties["usb.vendor"]))
if not device.properties.has_key("usb.product"):
prod_id.set_label("0x%04x"%(device.properties["usb.product_id"]))
else:
prod_id.set_label("%s"%(device.properties["usb.product"]))
bcdDevice = device.properties["usb.device_revision_bcd"]
revision.set_label("%x.%x"%((bcdDevice>>8), bcdDevice&0xff))
def update_tab_pci(self, device):
"""Updates the 'PCI' tab given a Device object; may hide it"""
page = self.xml.get_widget("device_notebook").get_nth_page(2)
if not device.properties.has_key("info.bus") or device.properties["info.bus"]!="pci":
page.hide_all()
return
page.show_all()
man_id = self.xml.get_widget("ns_pci_man_id")
prod_id = self.xml.get_widget("ns_pci_prod_id")
subsys_man_id = self.xml.get_widget("ns_pci_subsys_man_id")
subsys_prod_id = self.xml.get_widget("ns_pci_subsys_prod_id")
if not device.properties.has_key("pci.vendor"):
man_id.set_label("Unknown (0x%04x)"%(device.properties["pci.vendor_id"]))
else:
man_id.set_label("%s"%(device.properties["pci.vendor"]))
if not device.properties.has_key("pci.product"):
prod_id.set_label("Unknown (0x%04x)"%(device.properties["pci.product_id"]))
else:
prod_id.set_label("%s"%(device.properties["pci.product"]))
if not device.properties.has_key("pci.subsys_vendor"):
subsys_man_id.set_label("Unknown (0x%04x)"%(device.properties["pci.subsys_vendor_id"]))
else:
subsys_man_id.set_label("%s"%(device.properties["pci.subsys_vendor"]))
if not device.properties.has_key("pci.subsys_product"):
subsys_prod_id.set_label("Unknown (0x%04x)"%(device.properties["pci.subsys_product_id"]))
else:
subsys_prod_id.set_label("%s"%(device.properties["pci.subsys_product"]))
def update_tab_advanced(self, device):
"""Updates the 'Advanced' tab given a Device object"""
store = gtk.ListStore(gobject.TYPE_STRING,
gobject.TYPE_STRING,
gobject.TYPE_STRING)
keys = device.properties.keys()
keys.sort()
for p in keys:
iter = store.append()
val = device.properties[p]
ptype = type(val)
if ptype==str:
store.set(iter, 0, p, 1, "string", 2, "%s"%val)
elif ptype==int:
store.set(iter, 0, p, 1, "int", 2, "%d (0x%x)"%(val, val))
elif ptype==long:
store.set(iter, 0, p, 1, "long", 2, "%d (0x%x)"%(val, val))
elif ptype==bool:
if val:
store.set(iter, 0, p, 1, "bool", 2, "true")
else:
store.set(iter, 0, p, 1, "bool", 2, "false")
elif ptype==float:
store.set(iter, 0, p, 1, "float", 2, "%f"%val)
elif ptype==list:
store.set(iter, 0, p, 1, "list", 2, ", ".join(val))
else:
# assume strlist
store.set(iter, 0, p, 1, "strlist", 2, val)
prop_tree_view = self.xml.get_widget("ns_adv_properties")
# remove old columns, if any
cols = prop_tree_view.get_columns()
for cr in cols:
prop_tree_view.remove_column(cr)
cell_renderer = gtk.CellRendererText()
cell_renderer.set_property("editable", True)
column0 = gtk.TreeViewColumn("Key", cell_renderer, text=0)
column1 = gtk.TreeViewColumn("Type", cell_renderer, text=1)
column2 = gtk.TreeViewColumn("Value", cell_renderer, text=2)
prop_tree_view.append_column(column0)
prop_tree_view.append_column(column1)
prop_tree_view.append_column(column2)
prop_tree_view.set_model(store)
def update_device_notebook(self, device):
"""Updates the entire notebook of tabs given a Device object"""
self.update_tab_device(device)
self.update_tab_advanced(device)
self.update_tab_usb(device)
self.update_tab_pci(device)
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