google/appengine/ext/mapreduce/errors.py

#!/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.
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"""Map Reduce framework errors."""



class Error(Exception):
  """Base-class for exceptions in this module."""


class BadYamlError(Error):
  """Raised when the mapreduce.yaml file is invalid."""


class MissingYamlError(BadYamlError):
  """Raised when the mapreduce.yaml file could not be found."""


class MultipleDocumentsInMrYaml(BadYamlError):
  """There's more than one document in mapreduce.yaml file."""