Function frozen_modules

Lib/test/support/import_helper.py:109–119

Force frozen modules to be used (or not). This only applies to modules that haven't been imported yet. Also, some essential modules will always be imported frozen.

(enabled=True)

@contextlib.contextmanager
def frozen_modules(enabled=True):
    """Force frozen modules to be used (or not).

    This only applies to modules that haven't been imported yet.
    Also, some essential modules will always be imported frozen.
    """
    _imp._override_frozen_modules_for_tests(1 if enabled else -1)
    try:
        yield
    finally:
        _imp._override_frozen_modules_for_tests(0)


@contextlib.contextmanager