Merge branch 'pr-crashfix_compat_urllib_unquote' of https://github.com/atomicdryad/youtube-dl into atomicdryad-pr-crashfix_compat_urllib_unquote
This commit is contained in:
Sergey M․
commit
89f691e141
@ -14,6 +14,7 @@ from youtube_dl.utils import get_filesystem_encoding
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from youtube_dl.compat import (
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compat_getenv,
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compat_expanduser,
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compat_urllib_parse_unquote,
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)
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@ -42,5 +43,24 @@ class TestCompat(unittest.TestCase):
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dir(youtube_dl.compat))) - set(['unicode_literals'])
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self.assertEqual(all_names, sorted(present_names))
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def test_compat_urllib_parse_unquote(self):
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test_strings = [
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['''''', ''''''],
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['''津波''', '''%E6%B4%A5%E6%B3%A2'''],
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['''津波''', str('%E6%B4%A5%E6%B3%A2')],
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['''<meta property="og:description" content="▁▂▃▄%▅▆▇█" />
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%<a href="https://ar.wikipedia.org/wiki/تسونامي">%a''',
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'''<meta property="og:description" content="%E2%96%81%E2%96%82%E2%96%83%E2%96%84%25%E2%96%85%E2%96%86%E2%96%87%E2%96%88" />
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%<a href="https://ar.wikipedia.org/wiki/%D8%AA%D8%B3%D9%88%D9%86%D8%A7%D9%85%D9%8A">%a'''],
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['''(^◣_◢^)っ︻デ═一 ⇀ ⇀ ⇀ ⇀ ⇀ ↶%I%Break%Things%''',
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'''%28%5E%E2%97%A3_%E2%97%A2%5E%29%E3%81%A3%EF%B8%BB%E3%83%87%E2%95%90%E4%B8%80 %E2%87%80 %E2%87%80 %E2%87%80 %E2%87%80 %E2%87%80 %E2%86%B6%I%Break%25Things%''']
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]
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for test in test_strings:
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strutf = test[0]
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strurlenc = test[1]
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strurldec = compat_urllib_parse_unquote(strurlenc)
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self.assertEqual(strutf, strurldec)
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self.assertEqual(strutf, compat_urllib_parse_unquote(strurlenc))
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if __name__ == '__main__':
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unittest.main()
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@ -77,40 +77,73 @@ except ImportError:
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try:
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from urllib.parse import unquote as compat_urllib_parse_unquote
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except ImportError:
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def compat_urllib_parse_unquote(string, encoding='utf-8', errors='replace'):
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if string == '':
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def compat_urllib_parse_unquote_to_bytes(string):
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"""unquote_to_bytes('abc%20def') -> b'abc def'."""
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# Note: strings are encoded as UTF-8. This is only an issue if it contains
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# unescaped non-ASCII characters, which URIs should not.
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if not string:
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# Is it a string-like object?
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string.split
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return b''
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if isinstance(string, str):
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string = string.encode('utf-8')
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# string = encode('utf-8')
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# python3 -> 2: must implicitly convert to bits
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bits = bytes(string).split(b'%')
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if len(bits) == 1:
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return string
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res = string.split('%')
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if len(res) == 1:
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res = [bits[0]]
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append = res.append
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for item in bits[1:]:
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if item == '':
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append(b'%')
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continue
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try:
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append(item[:2].decode('hex'))
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append(item[2:])
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except:
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append(b'%')
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append(item)
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return b''.join(res)
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compat_urllib_parse_asciire = re.compile('([\x00-\x7f]+)')
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def compat_urllib_parse_unquote(string, encoding='utf-8', errors='replace'):
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"""Replace %xx escapes by their single-character equivalent. The optional
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encoding and errors parameters specify how to decode percent-encoded
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sequences into Unicode characters, as accepted by the bytes.decode()
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method.
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By default, percent-encoded sequences are decoded with UTF-8, and invalid
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sequences are replaced by a placeholder character.
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unquote('abc%20def') -> 'abc def'.
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"""
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if '%' not in string:
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string.split
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return string
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if encoding is None:
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encoding = 'utf-8'
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if errors is None:
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errors = 'replace'
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# pct_sequence: contiguous sequence of percent-encoded bytes, decoded
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pct_sequence = b''
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string = res[0]
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for item in res[1:]:
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try:
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if not item:
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raise ValueError
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pct_sequence += item[:2].decode('hex')
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rest = item[2:]
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if not rest:
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# This segment was just a single percent-encoded character.
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# May be part of a sequence of code units, so delay decoding.
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# (Stored in pct_sequence).
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continue
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except ValueError:
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rest = '%' + item
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# Encountered non-percent-encoded characters. Flush the current
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# pct_sequence.
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string += pct_sequence.decode(encoding, errors) + rest
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pct_sequence = b''
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if pct_sequence:
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# Flush the final pct_sequence
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string += pct_sequence.decode(encoding, errors)
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return string
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bits = compat_urllib_parse_asciire.split(string)
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res = [bits[0]]
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append = res.append
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for i in range(1, len(bits), 2):
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foo = compat_urllib_parse_unquote_to_bytes(bits[i])
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foo = foo.decode(encoding, errors)
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append(foo)
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if bits[i + 1]:
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bar = bits[i + 1]
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if not isinstance(bar, unicode):
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bar = bar.decode('utf-8')
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append(bar)
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return ''.join(res)
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try:
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compat_str = unicode # Python 2
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@ -421,7 +454,9 @@ __all__ = [
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'compat_subprocess_get_DEVNULL',
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'compat_urllib_error',
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'compat_urllib_parse',
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'compat_urllib_parse_asciire',
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'compat_urllib_parse_unquote',
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'compat_urllib_parse_unquote_to_bytes',
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'compat_urllib_parse_urlparse',
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'compat_urllib_request',
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'compat_urlparse',
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@ -1115,7 +1115,7 @@ class GenericIE(InfoExtractor):
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# Sometimes embedded video player is hidden behind percent encoding
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# (e.g. https://github.com/rg3/youtube-dl/issues/2448)
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# Unescaping the whole page allows to handle those cases in a generic way
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webpage = compat_urllib_parse.unquote(webpage)
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webpage = compat_urllib_parse_unquote(webpage)
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# it's tempting to parse this further, but you would
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# have to take into account all the variations like
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