1 #!/usr/bin/env python

     2 #

     3 # Copyright 2007 Google Inc.

     4 #

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

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

     7 # You may obtain a copy of the License at

     8 #

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

    10 #

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

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

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

    14 # See the License for the specific language governing permissions and

    15 # limitations under the License.

    16 #

    17 

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

    19 

    20 

    21 

    22 

    23 

    24 class Error(Exception):

    25   """Base datastore AppInfo type."""

    26 

    27 class EmptyConfigurationFile(Error):

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

    29 

    30 class MultipleConfigurationFile(Error):

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

    32 

    33 class UnknownHandlerType(Error):

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

    35 

    36 class UnexpectedHandlerAttribute(Error):

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

    38 

    39 class MissingHandlerAttribute(Error):

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

    41 

    42 class MissingURLMapping(Error):

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

    44 

    45 class TooManyURLMappings(Error):

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