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[googledrive] Fix extraction on Python 3.6 

Since Python 3.6, invalid escape sequences are deprecated. It's likely
that there are invalid escape sequences somewhere on the webpage, so
instead of unescaping the whole webpage, just unescape the URL.

See https://bugs.python.org/issue27364. That change was designed for
string literals, while it affects the 'unicode_escape' encoding as well.
The code path is:

str.decode('unicode_escape')
    codecs.unicode_escape_decode()
        PyUnicode_DecodeUnicodeEscape()
This commit is contained in:
Yen Chi Hsuan 2017-02-05 21:41:08 +08:00
parent 6ef3e65a7b
commit e4e50f60b1
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2 changed files with 11 additions and 4 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
version <unreleased>
Extractors
* [googledrive] Fix extraction on Python 3.6
version 2017.02.04.1 version 2017.02.04.1
Extractors Extractors

9
youtube_dl/extractor/googledrive.py
View File

@ -6,6 +6,7 @@ from .common import InfoExtractor
from ..utils import ( from ..utils import (
ExtractorError, ExtractorError,
int_or_none, int_or_none,
lowercase_escape,
) )
@ -13,12 +14,12 @@ class GoogleDriveIE(InfoExtractor):
_VALID_URL = r'https?://(?:(?:docs|drive)\.google\.com/(?:uc\?.*?id=|file/d/)|video\.google\.com/get_player\?.*?docid=)(?P<id>[a-zA-Z0-9_-]{28,})' _VALID_URL = r'https?://(?:(?:docs|drive)\.google\.com/(?:uc\?.*?id=|file/d/)|video\.google\.com/get_player\?.*?docid=)(?P<id>[a-zA-Z0-9_-]{28,})'
_TESTS = [{ _TESTS = [{
'url': 'https://drive.google.com/file/d/0ByeS4oOUV-49Zzh4R1J6R09zazQ/edit?pli=1', 'url': 'https://drive.google.com/file/d/0ByeS4oOUV-49Zzh4R1J6R09zazQ/edit?pli=1',
'md5': '881f7700aec4f538571fa1e0eed4a7b6', 'md5': 'd109872761f7e7ecf353fa108c0dbe1e',
'info_dict': { 'info_dict': {
'id': '0ByeS4oOUV-49Zzh4R1J6R09zazQ', 'id': '0ByeS4oOUV-49Zzh4R1J6R09zazQ',
'ext': 'mp4', 'ext': 'mp4',
'title': 'Big Buck Bunny.mp4', 'title': 'Big Buck Bunny.mp4',
'duration': 46, 'duration': 45,
} }
}, { }, {
# video id is longer than 28 characters # video id is longer than 28 characters
@ -55,7 +56,7 @@ class GoogleDriveIE(InfoExtractor):
def _real_extract(self, url): def _real_extract(self, url):
video_id = self._match_id(url) video_id = self._match_id(url)
webpage = self._download_webpage( webpage = self._download_webpage(
'http://docs.google.com/file/d/%s' % video_id, video_id, encoding='unicode_escape') 'http://docs.google.com/file/d/%s' % video_id, video_id)
reason = self._search_regex(r'"reason"\s*,\s*"([^"]+)', webpage, 'reason', default=None) reason = self._search_regex(r'"reason"\s*,\s*"([^"]+)', webpage, 'reason', default=None)
if reason: if reason:
@ -74,7 +75,7 @@ class GoogleDriveIE(InfoExtractor):
resolution = fmt.split('/')[1] resolution = fmt.split('/')[1]
width, height = resolution.split('x') width, height = resolution.split('x')
formats.append({ formats.append({
'url': fmt_url, 'url': lowercase_escape(fmt_url),
'format_id': fmt_id, 'format_id': fmt_id,
'resolution': resolution, 'resolution': resolution,
'width': int_or_none(width), 'width': int_or_none(width),