parameters: (in_file, message)
docstring: Attempt to read a message from the file and decode it. Return
      False if no message could be read.
docstring_summary: Attempt to read a message from the file and decode it. Return
      False if no message could be read.
docstring_tokens: Attempt to read a message from the file and decode it . Return False if no message could be read .
function: def decodeMessage(in_file, message):
      """
      Attempt to read a message from the file and decode it. Return
      False if no message could be read.
      """
      try:
          size, pos = _DecodeVarint32(in_file)
          if size == 0:
              return False
          buf = in_file.read(size)
          message.ParseFromString(buf)
          return True
      except IOError:
          return False
function_tokens: def decodeMessage ( in_file , message ) : try : size , pos = _DecodeVarint32 ( in_file ) if size == 0 : return False buf = in_file . read ( size ) message . ParseFromString ( buf ) return True except IOError : return False