old_contents: ﻿#-------------------------------------------------------------------------
  # Copyright (c) Microsoft.  All rights reserved.
  #
  # 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.
  #--------------------------------------------------------------------------
  
  __author__ = 'Microsoft Corp. <ptvshelp@microsoft.com>'
  __version__ = '0.20.0'
  
  
  class AzureException(Exception):
      pass
  
  
  class AzureHttpError(AzureException):
      def __init__(self, message, status_code):
          super(AzureHttpError, self).__init__(message)
          self.status_code = status_code
  
      def __new__(cls, message, status_code, *args, **kwargs):
          if status_code == 404:
              cls = AzureMissingResourceHttpError
          elif status_code == 409:
              cls = AzureConflictHttpError
          return AzureException.__new__(cls, message, status_code, *args, **kwargs)
  
  
  class AzureConflictHttpError(AzureHttpError):
      def __init__(self, message, status_code):
          super(AzureConflictHttpError, self).__init__(message, status_code)
  
  
  class AzureMissingResourceHttpError(AzureHttpError):
      def __init__(self, message, status_code):
          super(AzureMissingResourceHttpError, self).__init__(message, status_code)
  
new_contents: ﻿#-------------------------------------------------------------------------
  # Copyright (c) Microsoft.  All rights reserved.
  #
  # 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.
  #--------------------------------------------------------------------------
  
  __author__ = 'Microsoft Corp. <ptvshelp@microsoft.com>'
  __version__ = '0.20.0'
  
  
  class AzureException(Exception):
      pass
  
  
  class AzureHttpError(AzureException):
      def __init__(self, message, status_code):
          super(AzureHttpError, self).__init__(message)
          self.status_code = status_code
  
      def __new__(cls, message, status_code, *args, **kwargs):
          if cls is AzureHttpError:
              if status_code == 404:
                  cls = AzureMissingResourceHttpError
              elif status_code == 409:
                  cls = AzureConflictHttpError
          return AzureException.__new__(cls, message, status_code, *args, **kwargs)
  
  
  class AzureConflictHttpError(AzureHttpError):
      def __init__(self, message, status_code):
          super(AzureConflictHttpError, self).__init__(message, status_code)
  
  
  class AzureMissingResourceHttpError(AzureHttpError):
      def __init__(self, message, status_code):
          super(AzureMissingResourceHttpError, self).__init__(message, status_code)
  
subject: Swap the AzureHttpError exception for a more specific exception only if the error that was raised is AzureHttpError. This allows for someone to raise their own AzureHttpError derived class directly.