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How to use loaded_mypy_modules method in refurb

Best Python code snippet using refurb_python

mypy_visitor.py

...72    Any existing mypy module that was imported before needs to be reimported73    before use within the context.74    Upon exiting, the previous implementations are restored.75    """76    def loaded_mypy_modules() -> Iterator[str]:77        """Covenient block to get names of imported mypy modules"""78        for mod_name in sys.modules:79            if mod_name == "mypy" or mod_name.startswith("mypy."):80                yield mod_name81    # First, backup all imported mypy modules and remove them from sys.modules,82    # so they will not be found in resolution83    saved_mypy = {}84    for mod_name in list(loaded_mypy_modules()):85        saved_mypy[mod_name] = sys.modules.pop(mod_name)86    with prefer_pure_python_imports():87        # After the modules are clean, ensure the newly imported mypy modules88        # are their pure python versions.89        # - Pure python: methods are FunctionType90        # - Native: methods are MethodDescriptorType91        from mypy.traverser import TraverserVisitor92        assert isinstance(93            typing.cast(FunctionType, TraverserVisitor.visit_var), FunctionType94        )95        # Give back control96        yield97    # We're back and this is where we do cleanup. We'll remove all imported98    # mypy modules (pure python) and restore the previously backed-up ones99    # (allegedly native implementations)100    for mod_name in list(loaded_mypy_modules()):101        del sys.modules[mod_name]102    for mod_name, module in saved_mypy.items():103        sys.modules[mod_name] = module104def _get_class_globals(target_class: type, localns: Namespace) -> Namespace:105    """106    Get the globals namespace for the full class hierarchy that starts in107    target_class.108    This follows the recommendation of PEP-563 to resolve stringified type109    annotations at runtime.110    """111    all_globals = localns.copy()112    for base in inspect.getmro(target_class):113        all_globals.update(vars(sys.modules[base.__module__]))114    return all_globals...

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