def _reset()

in glean-core/python/glean/glean.py [0:0]

• 13 lines of code
• 9 McCabe index (conditional complexity)

    def _reset(cls) -> None:
        """
        Resets the Glean singleton.
        """
        # TODO: 1594184 Send the metrics ping
        log.debug("Resetting Glean")

        # Wait for the subprocess to complete.  We only need to do this if
        # we know we are going to be deleting the data directory.
        if cls._destroy_data_dir and cls._data_dir.exists():
            ProcessDispatcher._wait_for_last_process()

        # Destroy the Glean object.
        # Importantly on Windows, this closes the handle to the database so
        # that the data directory can be deleted without a multiple access
        # violation.
        _uniffi.glean_test_destroy_glean(False)

        _uniffi.glean_set_test_mode(False)
        cls._init_finished = False
        cls._initialized = False
        cls._testing_mode = False

        # Remove the atexit handler or it will get called multiple times at
        # exit.
        atexit.unregister(cls._reset)

        if cls._destroy_data_dir and cls._data_dir.exists():
            # This needs to be run in the same one-at-a-time process as the
            # PingUploadWorker to avoid a race condition. This will block the
            # main thread waiting for all pending uploads to complete, but this
            # only happens during testing when the data directory is a
            # temporary directory, so there is no concern about delaying
            # application shutdown here.
            p = ProcessDispatcher.dispatch(_rmtree, (str(cls._data_dir),))
            p.wait()