sys_meta_path.py 文件源码

def load_module(self, fullname):
        print('loading {}'.format(fullname))
        if fullname in sys.modules:
            mod = sys.modules[fullname]
        else:
            mod = sys.modules.setdefault(
                fullname,
                imp.new_module(fullname))

        # Set a few properties required by PEP 302
        mod.__file__ = fullname
        mod.__name__ = fullname
        # always looks like a package
        mod.__path__ = ['path-entry-goes-here']
        mod.__loader__ = self
        mod.__package__ = '.'.join(fullname.split('.')[:-1])

        return mod


# Install the meta-path finder