Method reconfigure

Lib/_pyio.py:2191–2232

Reconfigure the text stream with new parameters. This also flushes the stream.

(self, *,
                    encoding=None, errors=None, newline=Ellipsis,
                    line_buffering=None, write_through=None)

        return self._buffer

    def reconfigure(self, *,
                    encoding=None, errors=None, newline=Ellipsis,
                    line_buffering=None, write_through=None):
        """Reconfigure the text stream with new parameters.

        This also flushes the stream.
        """
        if (self._decoder is not None
                and (encoding is not None or errors is not None
                     or newline is not Ellipsis)):
            raise UnsupportedOperation(
                "It is not possible to set the encoding or newline of stream "
                "after the first read")

        if errors is None:
            if encoding is None:
                errors = self._errors
            else:
                errors = 'strict'
        elif not isinstance(errors, str):
            raise TypeError("invalid errors: %r" % errors)

        if encoding is None:
            encoding = self._encoding
        else:
            if not isinstance(encoding, str):
                raise TypeError("invalid encoding: %r" % encoding)
            if encoding == "locale":
                encoding = self._get_locale_encoding()

        if newline is Ellipsis:
            newline = self._readnl
        self._check_newline(newline)

        if line_buffering is None:
            line_buffering = self.line_buffering
        if write_through is None:
            write_through = self.write_through

        self.flush()
        self._configure(encoding, errors, newline,
                        line_buffering, write_through)

    def seekable(self):
        if self.closed: