def publish_date(self):
"""Get the publish date.
:rtype: datetime
"""
return extract.publish_date(self.watch_html)
def publish_date(self):
"""Get the publish date.
:rtype: datetime
"""
if self._publish_date:
return self._publish_date
self._publish_date = extract.publish_date(self.watch_html)
return self._publish_date
def test_publish_date(cipher_signature):
expected = datetime(2019, 12, 5)
assert cipher_signature.publish_date == expected
assert extract.publish_date('') is None