Method truncate

Lib/tempfile.py:854–860

(self, size=None)

        return self._file.tell()

    def truncate(self, size=None):
        if size is None:
            return self._file.truncate()
        else:
            if size > self._max_size:
                self.rollover()
            return self._file.truncate(size)

    def writable(self):
        return self._file.writable()