Source Code for Module dbus.exceptions

  1  """D-Bus exceptions.""" 
  2   
  3  # Copyright (C) 2007 Collabora Ltd. <http://www.collabora.co.uk/> 
  4  # 
  5  # Permission is hereby granted, free of charge, to any person 
  6  # obtaining a copy of this software and associated documentation 
  7  # files (the "Software"), to deal in the Software without 
  8  # restriction, including without limitation the rights to use, copy, 
  9  # modify, merge, publish, distribute, sublicense, and/or sell copies 
 10  # of the Software, and to permit persons to whom the Software is 
 11  # furnished to do so, subject to the following conditions: 
 12  # 
 13  # The above copyright notice and this permission notice shall be 
 14  # included in all copies or substantial portions of the Software. 
 15  # 
 16  # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
 17  # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
 18  # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
 19  # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 
 20  # HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 
 21  # WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
 22  # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
 23  # DEALINGS IN THE SOFTWARE. 
 24   
 25  __all__ = ('DBusException', 'MissingErrorHandlerException', 
 26             'MissingReplyHandlerException', 'ValidationException', 
 27             'IntrospectionParserException', 'UnknownMethodException', 
 28             'NameExistsException') 
 29   
 30 -class DBusException(Exception): 
 31   
 32      include_traceback = False 
 33      """If True, tracebacks will be included in the exception message sent to 
 34      D-Bus clients. 
 35   
 36      Exceptions that are not DBusException subclasses always behave 
 37      as though this is True. Set this to True on DBusException subclasses 
 38      that represent a programming error, and leave it False on subclasses that 
 39      represent an expected failure condition (e.g. a network server not 
 40      responding).""" 
 41   
 42 -    def __init__(self, *args, **kwargs): 
 43          name = kwargs.pop('name', None) 
 44          if name is not None or getattr(self, '_dbus_error_name', None) is None: 
 45              self._dbus_error_name = name 
 46          if kwargs: 
 47              raise TypeError('DBusException does not take keyword arguments: %s' 
 48                              % ', '.join(kwargs.keys())) 
 49          Exception.__init__(self, *args) 
 50   
 51 -    def __str__(self): 
 52          s = Exception.__str__(self) 
 53          if self._dbus_error_name is not None: 
 54              return '%s: %s' % (self._dbus_error_name, s) 
 55          else: 
 56              return s 
 57   
 58 -    def get_dbus_message(self): 
 59          s = Exception.__str__(self) 
 60          return s.decode('utf-8', 'replace') 
 61   
 62 -    def get_dbus_name(self): 
 63          return self._dbus_error_name 
 64   
 65 -class MissingErrorHandlerException(DBusException): 
 66   
 67      include_traceback = True 
 68   
 69 -    def __init__(self): 
 70          DBusException.__init__(self, "error_handler not defined: if you define a reply_handler you must also define an error_handler") 
 71   
 72 -class MissingReplyHandlerException(DBusException): 
 73   
 74      include_traceback = True 
 75   
 76 -    def __init__(self): 
 77          DBusException.__init__(self, "reply_handler not defined: if you define an error_handler you must also define a reply_handler") 
 78   
 79 -class ValidationException(DBusException): 
 80   
 81      include_traceback = True 
 82   
 83 -    def __init__(self, msg=''): 
 84          DBusException.__init__(self, "Error validating string: %s"%msg) 
 85   
 86 -class IntrospectionParserException(DBusException): 
 87   
 88      include_traceback = True 
 89   
 90 -    def __init__(self, msg=''): 
 91          DBusException.__init__(self, "Error parsing introspect data: %s"%msg) 
 92   
 93 -class UnknownMethodException(DBusException): 
 94   
 95      include_traceback = True 
 96      _dbus_error_name = 'org.freedesktop.DBus.Error.UnknownMethod' 
 97   
 98 -    def __init__(self, method): 
 99          DBusException.__init__(self, "Unknown method: %s"%method) 
100   
101 -class NameExistsException(DBusException): 
102   
103      include_traceback = True 
104   
105 -    def __init__(self, name): 
106          DBusException.__init__(self, "Bus name already exists: %s"%name) 
107