def profile_name_valid(p): try: dbus.validate_bus_name("com." + p) dbus.validate_object_path("/" + p) except (TypeError, ValueError): return False return len(p) <= MAX_PROFILE_LENGTH
def profile_name_valid(p): try: dbus.validate_bus_name("com." + p) dbus.validate_object_path("/" + p) except (TypeError, ValueError): return False return len(p) <= MAX_PROFILE_LENGTH
def __new__(cls, name, bus=None, allow_replacement=False, replace_existing=False, do_not_queue=False): """Constructor, which may either return an existing cached object or a new object. :Parameters: `name` : str The well-known name to be advertised `bus` : dbus.Bus A Bus on which this service will be advertised. Omitting this parameter or setting it to None has been deprecated since version 0.82.1. For backwards compatibility, if this is done, the global shared connection to the session bus will be used. `allow_replacement` : bool If True, other processes trying to claim the same well-known name will take precedence over this one. `replace_existing` : bool If True, this process can take over the well-known name from other processes already holding it. `do_not_queue` : bool If True, this service will not be placed in the queue of services waiting for the requested name if another service already holds it. """ validate_bus_name(name, allow_well_known=True, allow_unique=False) # if necessary, get default bus (deprecated) if bus is None: import warnings warnings.warn( 'Omitting the "bus" parameter to ' 'dbus.service.BusName.__init__ is deprecated', DeprecationWarning, stacklevel=2) bus = SessionBus() # see if this name is already defined, return it if so # FIXME: accessing internals of Bus if name in bus._bus_names: return bus._bus_names[name] # otherwise register the name name_flags = ( (allow_replacement and _dbus_bindings.NAME_FLAG_ALLOW_REPLACEMENT or 0) | (replace_existing and _dbus_bindings.NAME_FLAG_REPLACE_EXISTING or 0) | (do_not_queue and _dbus_bindings.NAME_FLAG_DO_NOT_QUEUE or 0)) retval = bus.request_name(name, name_flags) # TODO: more intelligent tracking of bus name states? if retval == _dbus_bindings.REQUEST_NAME_REPLY_PRIMARY_OWNER: pass elif retval == _dbus_bindings.REQUEST_NAME_REPLY_IN_QUEUE: # queueing can happen by default, maybe we should # track this better or let the user know if they're # queued or not? pass elif retval == _dbus_bindings.REQUEST_NAME_REPLY_EXISTS: raise NameExistsException(name) elif retval == _dbus_bindings.REQUEST_NAME_REPLY_ALREADY_OWNER: # if this is a shared bus which is being used by someone # else in this process, this can happen legitimately pass else: raise RuntimeError( 'requesting bus name %s returned unexpected value %s' % (name, retval)) # and create the object bus_name = object.__new__(cls) bus_name._bus = bus bus_name._name = name # cache instance (weak ref only) # FIXME: accessing Bus internals again bus._bus_names[name] = bus_name return bus_name
def __new__(cls, name, bus=None, allow_replacement=False , replace_existing=False, do_not_queue=False): """Constructor, which may either return an existing cached object or a new object. :Parameters: `name` : str The well-known name to be advertised `bus` : dbus.Bus A Bus on which this service will be advertised. Omitting this parameter or setting it to None has been deprecated since version 0.82.1. For backwards compatibility, if this is done, the global shared connection to the session bus will be used. `allow_replacement` : bool If True, other processes trying to claim the same well-known name will take precedence over this one. `replace_existing` : bool If True, this process can take over the well-known name from other processes already holding it. `do_not_queue` : bool If True, this service will not be placed in the queue of services waiting for the requested name if another service already holds it. """ validate_bus_name(name, allow_well_known=True, allow_unique=False) # if necessary, get default bus (deprecated) if bus is None: import warnings warnings.warn('Omitting the "bus" parameter to ' 'dbus.service.BusName.__init__ is deprecated', DeprecationWarning, stacklevel=2) bus = SessionBus() # see if this name is already defined, return it if so # FIXME: accessing internals of Bus if name in bus._bus_names: return bus._bus_names[name] # otherwise register the name name_flags = ( (allow_replacement and _dbus_bindings.NAME_FLAG_ALLOW_REPLACEMENT or 0) | (replace_existing and _dbus_bindings.NAME_FLAG_REPLACE_EXISTING or 0) | (do_not_queue and _dbus_bindings.NAME_FLAG_DO_NOT_QUEUE or 0)) retval = bus.request_name(name, name_flags) # TODO: more intelligent tracking of bus name states? if retval == _dbus_bindings.REQUEST_NAME_REPLY_PRIMARY_OWNER: pass elif retval == _dbus_bindings.REQUEST_NAME_REPLY_IN_QUEUE: # queueing can happen by default, maybe we should # track this better or let the user know if they're # queued or not? pass elif retval == _dbus_bindings.REQUEST_NAME_REPLY_EXISTS: raise NameExistsException(name) elif retval == _dbus_bindings.REQUEST_NAME_REPLY_ALREADY_OWNER: # if this is a shared bus which is being used by someone # else in this process, this can happen legitimately pass else: raise RuntimeError('requesting bus name %s returned unexpected value %s' % (name, retval)) # and create the object bus_name = object.__new__(cls) bus_name._bus = bus bus_name._name = name # cache instance (weak ref only) # FIXME: accessing Bus internals again bus._bus_names[name] = bus_name return bus_name