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Merge pull request #1705 from iemejia/master

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[ted] support for subtitles
This commit is contained in:
Jaime Marquínez Ferrándiz 2013-11-10 11:54:18 +01:00
commit 231516b6c9
5 changed files with 110 additions and 13 deletions
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69
test/test_ted_subtitles.py Normal file
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@ -0,0 +1,69 @@
#!/usr/bin/env python
import sys
import unittest
import hashlib
# Allow direct execution
import os
sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from youtube_dl.extractor import TEDIE
from youtube_dl.utils import *
from helper import FakeYDL
md5 = lambda s: hashlib.md5(s.encode('utf-8')).hexdigest()
class TestTedSubtitles(unittest.TestCase):
def setUp(self):
self.DL = FakeYDL()
self.url = 'http://www.ted.com/talks/dan_dennett_on_our_consciousness.html'
def getInfoDict(self):
IE = TEDIE(self.DL)
info_dict = IE.extract(self.url)
return info_dict
def getSubtitles(self):
info_dict = self.getInfoDict()
return info_dict[0]['subtitles']
def test_no_writesubtitles(self):
subtitles = self.getSubtitles()
self.assertEqual(subtitles, None)
def test_subtitles(self):
self.DL.params['writesubtitles'] = True
subtitles = self.getSubtitles()
self.assertEqual(md5(subtitles['en']), '2154f31ff9b9f89a0aa671537559c21d')
def test_subtitles_lang(self):
self.DL.params['writesubtitles'] = True
self.DL.params['subtitleslangs'] = ['fr']
subtitles = self.getSubtitles()
self.assertEqual(md5(subtitles['fr']), '7616cbc6df20ec2c1204083c83871cf6')
def test_allsubtitles(self):
self.DL.params['writesubtitles'] = True
self.DL.params['allsubtitles'] = True
subtitles = self.getSubtitles()
self.assertEqual(len(subtitles.keys()), 28)
def test_list_subtitles(self):
self.DL.params['listsubtitles'] = True
info_dict = self.getInfoDict()
self.assertEqual(info_dict, [None])
def test_automatic_captions(self):
self.DL.params['writeautomaticsub'] = True
self.DL.params['subtitleslang'] = ['en']
subtitles = self.getSubtitles()
self.assertTrue(len(subtitles.keys()) == 0)
# def test_nosubtitles(self):
# self.DL.expect_warning(u'video doesn\'t have subtitles')
# self.url = 'http://www.ted.com/talks/rodrigo_canales_the_deadly_genius_of_drug_cartels.html'
# self.DL.params['writesubtitles'] = True
# self.DL.params['allsubtitles'] = True
# subtitles = self.getSubtitles()
def test_multiple_langs(self):
self.DL.params['writesubtitles'] = True
langs = ['es', 'fr', 'de']
self.DL.params['subtitleslangs'] = langs
subtitles = self.getSubtitles()
for lang in langs:
self.assertTrue(subtitles.get(lang) is not None, u'Subtitles for \'%s\' not extracted' % lang)
if __name__ == '__main__':
unittest.main()

6
youtube_dl/extractor/dailymotion.py
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@ -141,9 +141,9 @@ class DailymotionIE(DailymotionBaseInfoExtractor, SubtitlesInfoExtractor):
raise ExtractorError(u'Unable to extract video URL')
# subtitles
video_subtitles = self.extract_subtitles(video_id)
video_subtitles = self.extract_subtitles(video_id, webpage)
if self._downloader.params.get('listsubtitles', False):
self._list_available_subtitles(video_id)
self._list_available_subtitles(video_id, webpage)
return
return {
@ -157,7 +157,7 @@ class DailymotionIE(DailymotionBaseInfoExtractor, SubtitlesInfoExtractor):
'age_limit': age_limit,
}
def _get_available_subtitles(self, video_id):
def _get_available_subtitles(self, video_id, webpage):
try:
sub_list = self._download_webpage(
'https://api.dailymotion.com/video/%s/subtitles?fields=id,language,url' % video_id,

12
youtube_dl/extractor/subtitles.py
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@ -12,9 +12,9 @@ class SubtitlesInfoExtractor(InfoExtractor):
return any([self._downloader.params.get('writesubtitles', False),
self._downloader.params.get('writeautomaticsub')])
def _list_available_subtitles(self, video_id, webpage=None):
def _list_available_subtitles(self, video_id, webpage):
""" outputs the available subtitles for the video """
sub_lang_list = self._get_available_subtitles(video_id)
sub_lang_list = self._get_available_subtitles(video_id, webpage)
auto_captions_list = self._get_available_automatic_caption(video_id, webpage)
sub_lang = ",".join(list(sub_lang_list.keys()))
self.to_screen(u'%s: Available subtitles for video: %s' %
@ -23,7 +23,7 @@ class SubtitlesInfoExtractor(InfoExtractor):
self.to_screen(u'%s: Available automatic captions for video: %s' %
(video_id, auto_lang))
def extract_subtitles(self, video_id, video_webpage=None):
def extract_subtitles(self, video_id, webpage):
"""
returns {sub_lang: sub} ,{} if subtitles not found or None if the
subtitles aren't requested.
@ -32,9 +32,9 @@ class SubtitlesInfoExtractor(InfoExtractor):
return None
available_subs_list = {}
if self._downloader.params.get('writeautomaticsub', False):
available_subs_list.update(self._get_available_automatic_caption(video_id, video_webpage))
available_subs_list.update(self._get_available_automatic_caption(video_id, webpage))
if self._downloader.params.get('writesubtitles', False):
available_subs_list.update(self._get_available_subtitles(video_id))
available_subs_list.update(self._get_available_subtitles(video_id, webpage))
if not available_subs_list: # error, it didn't get the available subtitles
return {}
@ -74,7 +74,7 @@ class SubtitlesInfoExtractor(InfoExtractor):
return
return sub
def _get_available_subtitles(self, video_id):
def _get_available_subtitles(self, video_id, webpage):
"""
returns {sub_lang: url} or {} if not available
Must be redefined by the subclasses

34
youtube_dl/extractor/ted.py
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@ -1,10 +1,14 @@
import json
import re
from .common import InfoExtractor
from .subtitles import SubtitlesInfoExtractor
from ..utils import (
compat_str,
RegexNotFoundError,
)
class TEDIE(InfoExtractor):
class TEDIE(SubtitlesInfoExtractor):
_VALID_URL=r'''http://www\.ted\.com/
(
((?P<type_playlist>playlists)/(?P<playlist_id>\d+)) # We have a playlist
@ -82,11 +86,21 @@ class TEDIE(InfoExtractor):
'url': stream['file'],
'format': stream['id']
} for stream in info['htmlStreams']]
video_id = info['id']
# subtitles
video_subtitles = self.extract_subtitles(video_id, webpage)
if self._downloader.params.get('listsubtitles', False):
self._list_available_subtitles(video_id, webpage)
return
info = {
'id': info['id'],
'id': video_id,
'title': title,
'thumbnail': thumbnail,
'description': desc,
'subtitles': video_subtitles,
'formats': formats,
}
@ -94,3 +108,17 @@ class TEDIE(InfoExtractor):
info.update(info['formats'][-1])
return info
def _get_available_subtitles(self, video_id, webpage):
try:
options = self._search_regex(r'(?:<select name="subtitles_language_select" id="subtitles_language_select">)(.*?)(?:</select>)', webpage, 'subtitles_language_select', flags=re.DOTALL)
languages = re.findall(r'(?:<option value=")(\S+)"', options)
if languages:
sub_lang_list = {}
for l in languages:
url = 'http://www.ted.com/talks/subtitles/id/%s/lang/%s/format/srt' % (video_id, l)
sub_lang_list[l] = url
return sub_lang_list
except RegexNotFoundError as err:
self._downloader.report_warning(u'video doesn\'t have subtitles')
return {}

2
youtube_dl/extractor/youtube.py
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@ -1082,7 +1082,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor, SubtitlesInfoExtractor):
else:
raise ExtractorError(u'Unable to decrypt signature, key length %d not supported; retrying might work' % (len(s)))
def _get_available_subtitles(self, video_id):
def _get_available_subtitles(self, video_id, webpage):
try:
sub_list = self._download_webpage(
'http://video.google.com/timedtext?hl=en&type=list&v=%s' % video_id,