[lynda] Convert to new subtitles system

test/test_subtitles.py

@@ -18,6 +18,7 @@ from youtube_dl.extractor import (
     VimeoIE,
     WallaIE,
     CeskaTelevizeIE,
+    LyndaIE,
 )
 
 
@@ -304,5 +305,17 @@ class TestCeskaTelevizeSubtitles(BaseTestSubtitles):
         self.assertEqual(len(subtitles), 0)
 
 
+class TestLyndaSubtitles(BaseTestSubtitles):
+    url = 'http://www.lynda.com/Bootstrap-tutorials/Using-exercise-files/110885/114408-4.html'
+    IE = LyndaIE
+
+    def test_allsubtitles(self):
+        self.DL.params['writesubtitles'] = True
+        self.DL.params['allsubtitles'] = True
+        subtitles = self.getSubtitles()
+        self.assertEqual(set(subtitles.keys()), set(['en']))
+        self.assertEqual(md5(subtitles['en']), '09bbe67222259bed60deaa26997d73a7')
+
+
 if __name__ == '__main__':
     unittest.main()

youtube_dl/extractor/lynda.py

@@ -3,7 +3,6 @@ from __future__ import unicode_literals
 import re
 import json
 
-from .subtitles import SubtitlesInfoExtractor
 from .common import InfoExtractor
 from ..compat import (
     compat_str,
@@ -16,7 +15,7 @@ from ..utils import (
 )
 
 
-class LyndaIE(SubtitlesInfoExtractor):
+class LyndaIE(InfoExtractor):
     IE_NAME = 'lynda'
     IE_DESC = 'lynda.com videos'
     _VALID_URL = r'https?://www\.lynda\.com/[^/]+/[^/]+/\d+/(\d+)-\d\.html'
@@ -88,11 +87,7 @@ class LyndaIE(SubtitlesInfoExtractor):
         self._check_formats(formats, video_id)
         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))
+        subtitles = self.extract_subtitles(video_id, page)
 
         return {
             'id': video_id,
@@ -144,38 +139,31 @@ class LyndaIE(SubtitlesInfoExtractor):
         if re.search(self._SUCCESSFUL_LOGIN_REGEX, login_page) is None:
             raise ExtractorError('Unable to log in')
 
-    def _fix_subtitles(self, subtitles):
-        if subtitles is None:
-            return subtitles  # subtitles not requested
-
-        fixed_subtitles = {}
-        for k, v in subtitles.items():
-            subs = json.loads(v)
-            if len(subs) == 0:
+    def _fix_subtitles(self, subs):
+        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
-            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
+            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:
+            return srt
 
-    def _get_available_subtitles(self, video_id, webpage):
+    def _get_subtitles(self, video_id, webpage):
         url = 'http://www.lynda.com/ajax/player?videoId=%s&type=transcript' % video_id
-        sub = self._download_webpage(url, None, False)
-        sub_json = json.loads(sub)
-        return {'en': url} if len(sub_json) > 0 else {}
+        subs = self._download_json(url, None, False)
+        if subs:
+            return {'en': [{'ext': 'srt', 'data': self._fix_subtitles(subs)}]}
+        else:
+            return {}
 
 
 class LyndaCourseIE(InfoExtractor):