test_import.py 文件源码

def _setup_broken_package(self, parent, child):
        pkg_name = "_parent_foo"
        self.addCleanup(unload, pkg_name)
        pkg_path = os.path.join(TESTFN, pkg_name)
        os.mkdir(pkg_path)
        # Touch the __init__.py
        init_path = os.path.join(pkg_path, '__init__.py')
        with open(init_path, 'w') as f:
            f.write(parent)
        bar_path = os.path.join(pkg_path, 'bar.py')
        with open(bar_path, 'w') as f:
            f.write(child)
        importlib.invalidate_caches()
        return init_path, bar_path