test_warnings.py 文件源码

def test_warn_explicit_non_ascii_filename(self):
        with original_warnings.catch_warnings(record=True,
                module=self.module) as w:
            self.module.resetwarnings()
            self.module.filterwarnings("always", category=UserWarning)
            for filename in ("nonascii\xe9\u20ac", "surrogate\udc80"):
                try:
                    os.fsencode(filename)
                except UnicodeEncodeError:
                    continue
                self.module.warn_explicit("text", UserWarning, filename, 1)
                self.assertEqual(w[-1].filename, filename)