fake.py 文件源码

def get_module(obj):
    if inspect.ismodule(obj):
        return obj
    try:
        obj = obj.__objclass__
    except AttributeError:
        pass

    try:
        imp_plz = obj.__module__
    except AttributeError:
        # Unfortunately in some cases like `int` there's no __module__
        return builtins
    else:
        if imp_plz is None:
            # Happens for example in `(_ for _ in []).send.__module__`.
            return builtins
        else:
            try:
                return __import__(imp_plz)
            except ImportError:
                # __module__ can be something arbitrary that doesn't exist.
                return builtins