parameters: (self, message)
return_statement: return (start, stop)
docstring: Format a message and blindly write to self._file.
docstring_summary: Format a message and blindly write to self._file.
docstring_tokens: Format a message and blindly write to self . _file .
function: def _install_message(self, message):
          """Format a message and blindly write to self._file."""
          from_line = None
          if isinstance(message, str):
              message = self._string_to_bytes(message)
          if isinstance(message, bytes) and message.startswith(b'From '):
              newline = message.find(b'\n')
              if newline != -1:
                  from_line = message[:newline]
                  message = message[newline + 1:]
              else:
                  from_line = message
                  message = b''
          elif isinstance(message, _mboxMMDFMessage):
              author = message.get_from().encode('ascii')
              from_line = b'From ' + author
          elif isinstance(message, email.message.Message):
              from_line = message.get_unixfrom()  # May be None.
              if from_line is not None:
                  from_line = from_line.encode('ascii')
          if from_line is None:
              from_line = b'From MAILER-DAEMON ' + time.asctime(time.gmtime()).encode()
          start = self._file.tell()
          self._file.write(from_line + linesep)
          self._dump_message(message, self._file, self._mangle_from_)
          stop = self._file.tell()
          return (start, stop)
function_tokens: def _install_message ( self , message ) : from_line = None if isinstance ( message , str ) : message = self . _string_to_bytes ( message ) if isinstance ( message , bytes ) and message . startswith ( b'From ' ) : newline = message . find ( b'\n' ) if newline != - 1 : from_line = message [ : newline ] message = message [ newline + 1 : ] else : from_line = message message = b'' elif isinstance ( message , _mboxMMDFMessage ) : author = message . get_from ( ) . encode ( 'ascii' ) from_line = b'From ' + author elif isinstance ( message , email . message . Message ) : from_line = message . get_unixfrom ( ) # May be None. if from_line is not None : from_line = from_line . encode ( 'ascii' ) if from_line is None : from_line = b'From MAILER-DAEMON ' + time . asctime ( time . gmtime ( ) ) . encode ( ) start = self . _file . tell ( ) self . _file . write ( from_line + linesep ) self . _dump_message ( message , self . _file , self . _mangle_from_ ) stop = self . _file . tell ( ) return ( start , stop )