def _on_interfaces_removed(self, object_path, interfaces):
"""
Internal callback that is called by DBus
This function is responsible for firing the public signal
"""
# Convert from dbus types
object_path = drop_dbus_type(object_path)
interfaces = drop_dbus_type(interfaces)
# Log what's going on
logging.debug("The object %r has lost the following interfaces: %r",
object_path, interfaces)
# Call the signal handler
self.on_interfaces_removed(object_path, interfaces)
def _on_interfaces_removed(self, object_path, interfaces):
"""
Internal callback that is called by DBus
This function is responsible for firing the public signal
"""
# Convert from dbus types
object_path = drop_dbus_type(object_path)
interfaces = drop_dbus_type(interfaces)
# Log what's going on
logging.debug("The object %r has lost the following interfaces: %r",
object_path, interfaces)
# Call the signal handler
self.on_interfaces_removed(object_path, interfaces)
def _on_properties_changed(self, interface_name, changed_properties,
invalidated_properties, sender=None):
# XXX: This is a workaround the fact that we cannot
# properly track changes to all properties :-(
self._managed_objects = drop_dbus_type(
self._observer._udisks2_obj_manager.GetManagedObjects())
# Fire the change signal()
self.on_change()
def _on_properties_changed(self,
interface_name,
changed_properties,
invalidated_properties,
sender=None):
# XXX: This is a workaround the fact that we cannot
# properly track changes to all properties :-(
self._managed_objects = drop_dbus_type(
self._observer._udisks2_obj_manager.GetManagedObjects())
# Fire the change signal()
self.on_change()
def _on_properties_changed(self, interface_name, changed_properties,
invalidated_properties, sender=None):
"""
Internal callback that is called by DBus
This function is responsible for firing the public signal
"""
# Convert from dbus types
interface_name = drop_dbus_type(interface_name)
changed_properties = drop_dbus_type(changed_properties)
invalidated_properties = drop_dbus_type(invalidated_properties)
sender = drop_dbus_type(sender)
# Log what's going on
logging.debug("Some object with the interface %r has changed "
"properties: %r and invalidated properties %r "
"(sender: %s)",
interface_name, changed_properties,
invalidated_properties, sender)
# Call the signal handler
self.on_properties_changed(interface_name, changed_properties,
invalidated_properties, sender)
def _on_properties_changed(self,
interface_name,
changed_properties,
invalidated_properties,
sender=None):
"""
Internal callback that is called by DBus
This function is responsible for firing the public signal
"""
# Convert from dbus types
interface_name = drop_dbus_type(interface_name)
changed_properties = drop_dbus_type(changed_properties)
invalidated_properties = drop_dbus_type(invalidated_properties)
sender = drop_dbus_type(sender)
# Log what's going on
logging.debug(
"Some object with the interface %r has changed "
"properties: %r and invalidated properties %r "
"(sender: %s)", interface_name, changed_properties,
invalidated_properties, sender)
# Call the signal handler
self.on_properties_changed(interface_name, changed_properties,
invalidated_properties, sender)
def _get_initial_objects(self):
"""
Get the initial collection of objects.
Needs to be called before the first signals from DBus are observed.
Requires a working connection to UDisks2.
"""
# Having this interface we can now peek at the existing objects.
# We can use the standard method GetManagedObjects() to do that
logging.debug("Accessing GetManagedObjects() on UDisks2 object")
managed_objects = self._udisks2_obj_manager.GetManagedObjects()
managed_objects = drop_dbus_type(managed_objects)
# Fire the public signal for getting initial objects
self.on_initial_objects(managed_objects)
# Connect our internal handles to the DBus signal handlers
logging.debug("Setting up DBus signal handler for InterfacesAdded")
self._udisks2_obj_manager.connect_to_signal("InterfacesAdded",
self._on_interfaces_added)
logging.debug("Setting up DBus signal handler for InterfacesRemoved")
self._udisks2_obj_manager.connect_to_signal(
"InterfacesRemoved", self._on_interfaces_removed)
def _get_initial_objects(self):
"""
Get the initial collection of objects.
Needs to be called before the first signals from DBus are observed.
Requires a working connection to UDisks2.
"""
# Having this interface we can now peek at the existing objects.
# We can use the standard method GetManagedObjects() to do that
logging.debug("Accessing GetManagedObjects() on UDisks2 object")
managed_objects = self._udisks2_obj_manager.GetManagedObjects()
managed_objects = drop_dbus_type(managed_objects)
# Fire the public signal for getting initial objects
self.on_initial_objects(managed_objects)
# Connect our internal handles to the DBus signal handlers
logging.debug("Setting up DBus signal handler for InterfacesAdded")
self._udisks2_obj_manager.connect_to_signal(
"InterfacesAdded", self._on_interfaces_added)
logging.debug("Setting up DBus signal handler for InterfacesRemoved")
self._udisks2_obj_manager.connect_to_signal(
"InterfacesRemoved", self._on_interfaces_removed)
def _on_initial_objects(self, managed_objects):
"""
Internal callback called when we get the initial collection of objects
"""
self._managed_objects = drop_dbus_type(managed_objects)
def _on_initial_objects(self, managed_objects):
"""
Internal callback called when we get the initial collection of objects
"""
self._managed_objects = drop_dbus_type(managed_objects)
