test_shutil.py 文件源码

def test_copymode_symlink_to_symlink(self):
        tmp_dir = self.mkdtemp()
        src = os.path.join(tmp_dir, 'foo')
        dst = os.path.join(tmp_dir, 'bar')
        src_link = os.path.join(tmp_dir, 'baz')
        dst_link = os.path.join(tmp_dir, 'quux')
        write_file(src, 'foo')
        write_file(dst, 'foo')
        os.symlink(src, src_link)
        os.symlink(dst, dst_link)
        os.chmod(src, stat.S_IRWXU|stat.S_IRWXG)
        os.chmod(dst, stat.S_IRWXU)
        os.lchmod(src_link, stat.S_IRWXO|stat.S_IRWXG)
        # link to link
        os.lchmod(dst_link, stat.S_IRWXO)
        shutil.copymode(src_link, dst_link, follow_symlinks=False)
        self.assertEqual(os.lstat(src_link).st_mode,
                         os.lstat(dst_link).st_mode)
        self.assertNotEqual(os.stat(src).st_mode, os.stat(dst).st_mode)
        # src link - use chmod
        os.lchmod(dst_link, stat.S_IRWXO)
        shutil.copymode(src_link, dst, follow_symlinks=False)
        self.assertEqual(os.stat(src).st_mode, os.stat(dst).st_mode)
        # dst link - use chmod
        os.lchmod(dst_link, stat.S_IRWXO)
        shutil.copymode(src, dst_link, follow_symlinks=False)
        self.assertEqual(os.stat(src).st_mode, os.stat(dst).st_mode)