def device_changed(self, gudevice, subsystem):
'''Called when a device has been updated'''
dev = device.get_device_object(gudevice)
old_dev = self.devices_tree[dev.path]
self.devices_tree[dev.path] = dev
self.emit('changed', dev, old_dev)
def device_changed(self, gudevice, subsystem):
'''Called when a device has been updated'''
dev = device.get_device_object(gudevice)
old_dev = self.devices_tree[dev.path]
self.devices_tree[dev.path] = dev
self.emit('changed', dev, old_dev)
def device_removed(self, gudevice, subsystem):
'''Called when a device has been removed from the system'''
dev = device.get_device_object(gudevice)
if dev in self.devices_list: self.devices_list.remove(dev)
if self.devices_tree.has_key(dev.path): del(self.devices_tree[dev.path])
self.emit('removed', dev)
def scan_subsystems(self, subsystems="", parent_tree=False):
self.client = gudev.Client(subsystems)
self.subsystems = subsystems
self.devices_tree = {}
self.devices_list = []
if subsystems == "":
subsystems = ["*"]
for subsystem in subsystems:
for gudevice in self.client.query_by_subsystem(subsystem):
if parent_tree:
self.__explore_parent(gudevice, self.devices_tree, self.devices_list)
else:
self.devices_list.append(device.get_device_object(gudevice))
self.devices_tree[gudevice.get_sysfs_path()] = device.get_device_object(gudevice)
self.client.connect("uevent", self.event)
self.parent_tree = parent_tree
def device_removed(self, gudevice, subsystem):
'''Called when a device has been removed from the system'''
dev = device.get_device_object(gudevice)
if dev in self.devices_list: self.devices_list.remove(dev)
if self.devices_tree.has_key(dev.path):
del (self.devices_tree[dev.path])
self.emit('removed', dev)
def device_added(self, gudevice, subsystem):
'''Called when a device has been added to the system'''
dev = device.get_device_object(gudevice)
if self.parent_tree:
self.__explore_parent(gudevice, self.devices_tree, self.devices_list, True)
else:
self.devices_list.append(dev)
self.devices_tree[dev.path] = dev
self.emit('added', dev)
def scan_subsystems(self, subsystems='', parent_tree=False):
self.client = GUdev.Client.new(subsystems)
self.subsystems = subsystems
self.devices_tree = {}
self.devices_list = []
if subsystems == '': subsystems = ['*']
for subsystem in subsystems:
for gudevice in self.client.query_by_subsystem(subsystem):
if parent_tree:
self.__explore_parent(gudevice, self.devices_tree,
self.devices_list)
else:
self.devices_list.append(
device.get_device_object(gudevice))
self.devices_tree[gudevice.get_sysfs_path()] = \
device.get_device_object(gudevice)
self.client.connect('uevent', self.event)
self.parent_tree = parent_tree
def device_added(self, gudevice, subsystem):
'''Called when a device has been added to the system'''
dev = device.get_device_object(gudevice)
if self.parent_tree:
self.__explore_parent(gudevice, self.devices_tree,
self.devices_list, True)
else:
self.devices_list.append(dev)
self.devices_tree[dev.path] = dev
self.emit('added', dev)
def __explore_parent(self, gudevice, devices_tree, devices_list, emit=False):
path = gudevice.get_sysfs_path()
parent = gudevice.get_parent()
if parent:
self.__explore_parent(parent, devices_tree, devices_list, emit)
if not devices_tree.has_key(path):
dev = device.get_device_object(gudevice)
devices_tree[path] = dev
devices_list.append(dev)
if emit:
self.emit('added', dev)
def __explore_parent(self,
gudevice,
devices_tree,
devices_list,
emit=False):
path = gudevice.get_sysfs_path()
parent = gudevice.get_parent()
if parent:
self.__explore_parent(parent, devices_tree, devices_list, emit)
if not devices_tree.has_key(path):
dev = device.get_device_object(gudevice)
devices_tree[path] = dev
devices_list.append(dev)
if emit:
self.emit('added', dev)
def device_changed(self, gudevice, subsystem):
'''Called when a device has been updated'''
dev = device.get_device_object(gudevice)
self.emit('changed', dev)
def device_changed(self, gudevice, subsystem):
'''Called when a device has been updated'''
dev = device.get_device_object(gudevice)
self.emit('changed', dev)
def device_changed(self, gudevice, subsystem):
"""Called when a device has been updated"""
dev = device.get_device_object(gudevice)
self.emit("changed", dev)