#!/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.
#

"""A NotImplemented Images API stub for when the PIL library is not found."""



class ImagesNotImplementedServiceStub(object):
  """Stub version of images API which raises a NotImplementedError."""

  def MakeSyncCall(self, service, call, request, response):
    """Main entry point.

    Args:
      service: str, must be 'images'.
      call: str, name of the RPC to make, must be part of ImagesService.
      request: pb object, corresponding args to the 'call' argument.
      response: pb object, return value for the 'call' argument.
    """
    raise NotImplementedError("Unable to find the Python PIL library.  Please "
                              "view the SDK documentation for details about "
                              "installing PIL on your system.")
