diff options
| -rw-r--r-- | youtube_dl/extractor/lynda.py | 48 |
1 files changed, 44 insertions, 4 deletions
diff --git a/youtube_dl/extractor/lynda.py b/youtube_dl/extractor/lynda.py index 592ed747a..844ba4dcb 100644 --- a/youtube_dl/extractor/lynda.py +++ b/youtube_dl/extractor/lynda.py @@ -3,11 +3,12 @@ from __future__ import unicode_literals import re import json +from .subtitles import SubtitlesInfoExtractor from .common import InfoExtractor from ..utils import ExtractorError -class LyndaIE(InfoExtractor): +class LyndaIE(SubtitlesInfoExtractor): IE_NAME = 'lynda' IE_DESC = 'lynda.com videos' _VALID_URL = r'https?://www\.lynda\.com/[^/]+/[^/]+/\d+/(\d+)-\d\.html' @@ -21,7 +22,7 @@ class LyndaIE(InfoExtractor): 'duration': 68 } } - + def _real_extract(self, url): mobj = re.match(self._VALID_URL, url) video_id = mobj.group(1) @@ -45,17 +46,56 @@ class LyndaIE(InfoExtractor): 'width': fmt['Width'], 'height': fmt['Height'], 'filesize': fmt['FileSize'], - 'format_id': fmt['Resolution'] + 'format_id': str(fmt['Resolution']) } for fmt in video_json['Formats']] self._sort_formats(formats) - + + if self._downloader.params.get('listsubtitles', False): + self._list_available_subtitles(video_id, page) + return + + subtitles = self._fix_subtitles(self.extract_subtitles(video_id, page)) + return { 'id': video_id, 'title': title, 'duration': duration, + 'subtitles': subtitles, 'formats': formats } + + _TIMECODE_REGEX = r'\[(?P<timecode>\d+:\d+:\d+[\.,]\d+)\]' + + def _fix_subtitles(self, subtitles): + fixed_subtitles = {} + for k, v in subtitles.items(): + subs = json.loads(v) + if len(subs) == 0: + continue + srt = '' + for pos in range(0, len(subs) - 1): + seq_current = subs[pos] + m_current = re.match(self._TIMECODE_REGEX, seq_current['Timecode']) + if m_current is None: + continue + seq_next = subs[pos+1] + m_next = re.match(self._TIMECODE_REGEX, seq_next['Timecode']) + if m_next is None: + continue + appear_time = m_current.group('timecode') + disappear_time = m_next.group('timecode') + text = seq_current['Caption'] + srt += '%s\r\n%s --> %s\r\n%s' % (str(pos), appear_time, disappear_time, text) + if srt: + fixed_subtitles[k] = srt + return fixed_subtitles + + def _get_available_subtitles(self, video_id, webpage): + url = 'http://www.lynda.com/ajax/player?videoId=%s&type=transcript' % video_id + sub = self._download_webpage(url, None, note=False) + sub_json = json.loads(sub) + return {'en': url} if len(sub_json) > 0 else {} class LyndaCourseIE(InfoExtractor): |