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"""D-Bus exceptions.""" # Copyright (C) 2007 Collabora Ltd. <http://www.collabora.co.uk/> # # Permission is hereby granted, free of charge, to any person # obtaining a copy of this software and associated documentation # files (the "Software"), to deal in the Software without # restriction, including without limitation the rights to use, copy, # modify, merge, publish, distribute, sublicense, and/or sell copies # of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be # included in all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT # HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, # WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER # DEALINGS IN THE SOFTWARE. __all__ = ('DBusException', 'MissingErrorHandlerException', 'MissingReplyHandlerException', 'ValidationException', 'IntrospectionParserException', 'UnknownMethodException', 'NameExistsException') from dbus._compat import is_py3 class DBusException(Exception): include_traceback = False """If True, tracebacks will be included in the exception message sent to D-Bus clients. Exceptions that are not DBusException subclasses always behave as though this is True. Set this to True on DBusException subclasses that represent a programming error, and leave it False on subclasses that represent an expected failure condition (e.g. a network server not responding).""" def __init__(self, *args, **kwargs): name = kwargs.pop('name', None) if name is not None or getattr(self, '_dbus_error_name', None) is None: self._dbus_error_name = name if kwargs: raise TypeError('DBusException does not take keyword arguments: %s' % ', '.join(kwargs.keys())) Exception.__init__(self, *args) def __unicode__(self): """Return a unicode error""" # We can't just use Exception.__unicode__ because it chains up weirdly. # https://code.launchpad.net/~mvo/ubuntu/quantal/dbus-python/lp846044/+merge/129214 if len(self.args) > 1: s = unicode(self.args) else: s = ''.join(self.args) if self._dbus_error_name is not None: return '%s: %s' % (self._dbus_error_name, s) else: return s def __str__(self): """Return a str error""" s = Exception.__str__(self) if self._dbus_error_name is not None: return '%s: %s' % (self._dbus_error_name, s) else: return s def get_dbus_message(self): if len(self.args) > 1: if is_py3: s = str(self.args) else: s = unicode(self.args) else: s = ''.join(self.args) if isinstance(s, bytes): return s.decode('utf-8', 'replace') return s def get_dbus_name(self): return self._dbus_error_name class MissingErrorHandlerException(DBusException): include_traceback = True def __init__(self): DBusException.__init__(self, "error_handler not defined: if you define a reply_handler you must also define an error_handler") class MissingReplyHandlerException(DBusException): include_traceback = True def __init__(self): DBusException.__init__(self, "reply_handler not defined: if you define an error_handler you must also define a reply_handler") class ValidationException(DBusException): include_traceback = True def __init__(self, msg=''): DBusException.__init__(self, "Error validating string: %s"%msg) class IntrospectionParserException(DBusException): include_traceback = True def __init__(self, msg=''): DBusException.__init__(self, "Error parsing introspect data: %s"%msg) class UnknownMethodException(DBusException): include_traceback = True _dbus_error_name = 'org.freedesktop.DBus.Error.UnknownMethod' def __init__(self, method): DBusException.__init__(self, "Unknown method: %s"%method) class NameExistsException(DBusException): include_traceback = True def __init__(self, name): DBusException.__init__(self, "Bus name already exists: %s"%name)