Method __enter__

Lib/test/test_launcher.py:155–160

(self)

        self._preserved = None

    def __enter__(self):
        try:
            self._preserved = self.path.read_bytes()
        except FileNotFoundError:
            self._preserved = None
        self.path.write_text(self.content, encoding="utf-16")

    def __exit__(self, *exc_info):
        if self._preserved is None: