Method writable

Lib/_pyio.py:448–453

Return a bool indicating whether object was opened for writing. If False, write() and truncate() will raise OSError.

(self)

                                       if msg is None else msg)

    def writable(self):
        """Return a bool indicating whether object was opened for writing.

        If False, write() and truncate() will raise OSError.
        """
        return False

    def _checkWritable(self, msg=None):
        """Internal: raise UnsupportedOperation if file is not writable