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[utils] Introduce url_or_none

master-ytdl-org
Sergey M․ 6 years ago
parent
commit
af03000ad5
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2 changed files with 18 additions and 0 deletions
  1. +11
    -0
      test/test_utils.py
  2. +7
    -0
      youtube_dl/utils.py

+ 11
- 0
test/test_utils.py View File

@ -78,6 +78,7 @@ from youtube_dl.utils import (
uppercase_escape,
lowercase_escape,
url_basename,
url_or_none,
base_url,
urljoin,
urlencode_postdata,
@ -507,6 +508,16 @@ class TestUtil(unittest.TestCase):
self.assertEqual(urljoin('http://foo.de/', ['foobar']), None)
self.assertEqual(urljoin('http://foo.de/a/b/c.txt', '.././../d.txt'), 'http://foo.de/d.txt')
def test_url_or_none(self):
self.assertEqual(url_or_none(None), None)
self.assertEqual(url_or_none(''), None)
self.assertEqual(url_or_none('foo'), None)
self.assertEqual(url_or_none('http://foo.de'), 'http://foo.de')
self.assertEqual(url_or_none('https://foo.de'), 'https://foo.de')
self.assertEqual(url_or_none('http$://foo.de'), None)
self.assertEqual(url_or_none('http://foo.de'), 'http://foo.de')
self.assertEqual(url_or_none('//foo.de'), '//foo.de')
def test_parse_age_limit(self):
self.assertEqual(parse_age_limit(None), None)
self.assertEqual(parse_age_limit(False), None)


+ 7
- 0
youtube_dl/utils.py View File

@ -1866,6 +1866,13 @@ def strip_or_none(v):
return None if v is None else v.strip()
def url_or_none(url):
if not url or not isinstance(url, compat_str):
return None
url = url.strip()
return url if re.match(r'^(?:[a-zA-Z][\da-zA-Z.+-]*:)?//', url) else None
def parse_duration(s):
if not isinstance(s, compat_basestring):
return None


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