dbus/exceptions.py

   1 """D-Bus exceptions."""
   2
   3 __all__ = ('DBusException', 'MissingErrorHandlerException',
   4            'MissingReplyHandlerException', 'ValidationException',
   5            'IntrospectionParserException', 'UnknownMethodException',
   6            'NameExistsException')
   7
   8 class DBusException(Exception):
   9     def __init__(self, *args, **kwargs):
  10         self._dbus_error_name = kwargs.pop('name', None)
  11         if kwargs:
  12             raise TypeError('DBusException does not take keyword arguments: %s'
  13                             % ', '.join(kwargs.keys()))
  14         Exception.__init__(self, *args)
  15
  16     def __str__(self):
  17         s = Exception.__str__(self)
  18         if self._dbus_error_name is not None:
  19             return '%s: %s' % (self._dbus_error_name, s)
  20         else:
  21             return s
  22
  23     def get_dbus_name(self):
  24         return self._dbus_error_name
  25
  26 class MissingErrorHandlerException(DBusException):
  27     def __init__(self):
  28         DBusException.__init__(self, "error_handler not defined: if you define a reply_handler you must also define an error_handler")
  29
  30 class MissingReplyHandlerException(DBusException):
  31     def __init__(self):
  32         DBusException.__init__(self, "reply_handler not defined: if you define an error_handler you must also define a reply_handler")
  33
  34 class ValidationException(DBusException):
  35     def __init__(self, msg=''):
  36         DBusException.__init__(self, "Error validating string: %s"%msg)
  37
  38 class IntrospectionParserException(DBusException):
  39     def __init__(self, msg=''):
  40         DBusException.__init__(self, "Error parsing introspect data: %s"%msg)
  41
  42 class UnknownMethodException(DBusException):
  43     _dbus_error_name = 'org.freedesktop.DBus.Error.UnknownMethod'
  44     def __init__(self, method):
  45         DBusException.__init__(self, "Unknown method: %s"%method)
  46
  47 class NameExistsException(DBusException):
  48     def __init__(self, name):
  49         DBusException.__init__(self, "Bus name already exists: %s"%name)