text: #!/usr/bin/python
  # -*- coding: utf-8 -*-
  
  # thumbor imaging service
  # https://github.com/thumbor/thumbor/wiki
  
  # Licensed under the MIT license:
  # http://www.opensource.org/licenses/mit-license
  # Copyright (c) 2011 globo.com thumbor@googlegroups.com
  
  
  class LoaderResult:
  
      ERROR_NOT_FOUND = "not_found"
      ERROR_UPSTREAM = "upstream"
      ERROR_TIMEOUT = "timeout"
  
      def __init__(self, buffer=None, successful=True, error=None, metadata=None):
          """
          :param buffer: The media buffer
  
          :param successful: True when the media has been loaded.
          :type successful: bool
  
          :param error: Error code
          :type error: str
  
          :param metadata: Dictionary of metadata about the buffer
          :type metadata: dict
          """
  
          if metadata is None:
              metadata = {}
  
          self.buffer = buffer
          self.successful = successful
          self.error = error
          self.metadata = metadata
  