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−#!/usr/bin/env python
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−#
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−# Copyright 2007 Google Inc.
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−#
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−# Licensed under the Apache License, Version 2.0 (the "License");
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−# you may not use this file except in compliance with the License.
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−# You may obtain a copy of the License at
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−#
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−#     http://www.apache.org/licenses/LICENSE-2.0
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−#
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−# Unless required by applicable law or agreed to in writing, software
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−# distributed under the License is distributed on an "AS IS" BASIS,
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−# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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−# See the License for the specific language governing permissions and
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−# limitations under the License.
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−#
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−
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−"""Errors used in the Python appinfo API, used by app developers."""
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−
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−
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−
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−
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−
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−class Error(Exception):
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−  """Base datastore AppInfo type."""
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−
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−class EmptyConfigurationFile(Error):
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−  """Tried to load empty configuration file"""
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−
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−class MultipleConfigurationFile(Error):
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−  """Tried to load configuration file with multiple AppInfo objects"""
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−
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−class UnknownHandlerType(Error):
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−  """Raised when it is not possible to determine URL mapping type."""
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−
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−class UnexpectedHandlerAttribute(Error):
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−  """Raised when a handler type has an attribute that it does not use."""
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−
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−class MissingHandlerAttribute(Error):
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−  """Raised when a handler is missing an attribute required by its type."""
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−
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−class MissingURLMapping(Error):
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−  """Raised when there are no URL mappings in external appinfo."""
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−
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−class TooManyURLMappings(Error):
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−  """Raised when there are too many URL mappings in external appinfo."""