Method find_spec

Lib/importlib/_bootstrap.py:986–990

(cls, fullname, path=None, target=None)

    @classmethod
    def find_spec(cls, fullname, path=None, target=None):
        if _imp.is_builtin(fullname):
            return spec_from_loader(fullname, cls, origin=cls._ORIGIN)
        else:
            return None

    @staticmethod
    def create_module(spec):