test_importlib.py 文件源码

def __init__(self, *names):
        self.modules = {}
        for name in names:
            if not name.endswith('.__init__'):
                import_name = name
            else:
                import_name = name[:-len('.__init__')]
            if '.' not in name:
                package = None
            elif import_name == name:
                package = name.rsplit('.', 1)[0]
            else:
                package = import_name
            module = imp.new_module(import_name)
            module.__loader__ = self
            module.__file__ = '<mock __file__>'
            module.__package__ = package
            module.attr = name
            if import_name != name:
                module.__path__ = ['<mock __path__>']
            self.modules[import_name] = module