first add files

lib/dbus/exceptions.py

@@ -0,0 +1,133 @@
+"""D-Bus exceptions."""
+
+# Copyright (C) 2007 Collabora Ltd. <http://www.collabora.co.uk/>
+#
+# SPDX-License-Identifier: MIT
+#
+# 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:
+            s = str(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)