#!/usr/bin/env python

#

# Copyright 2007 Google Inc.

#

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

#     http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

#

"""Errors used in the Python appinfo API, used by app developers."""

class Error(Exception):

  """Base datastore AppInfo type."""

class EmptyConfigurationFile(Error):

  """Tried to load empty configuration file"""

class MultipleConfigurationFile(Error):

  """Tried to load configuration file with multiple AppInfo objects"""

class UnknownHandlerType(Error):

  """Raised when it is not possible to determine URL mapping type."""

class UnexpectedHandlerAttribute(Error):

  """Raised when a handler type has an attribute that it does not use."""

class MissingHandlerAttribute(Error):

  """Raised when a handler is missing an attribute required by its type."""

class MissingURLMapping(Error):

  """Raised when there are no URL mappings in external appinfo."""

class TooManyURLMappings(Error):

  """Raised when there are too many URL mappings in external appinfo."""