1 from __future__ import unicode_literals
6 from .common import InfoExtractor
7 from ..compat import compat_str
17 class LyndaBaseIE(InfoExtractor):
18 _LOGIN_URL = 'https://www.lynda.com/login/login.aspx'
19 _ACCOUNT_CREDENTIALS_HINT = 'Use --username and --password options to provide lynda.com account credentials.'
20 _NETRC_MACHINE = 'lynda'
22 def _real_initialize(self):
26 username, password = self._get_login_info()
31 'username': username.encode('utf-8'),
32 'password': password.encode('utf-8'),
36 request = sanitized_Request(
37 self._LOGIN_URL, urlencode_postdata(login_form))
38 login_page = self._download_webpage(
39 request, None, 'Logging in as %s' % username)
42 m = re.search(r'loginResultJson\s*=\s*\'(?P<json>[^\']+)\';', login_page)
44 response = m.group('json')
45 response_json = json.loads(response)
46 state = response_json['state']
48 if state == 'notlogged':
50 'Unable to login, incorrect username and/or password',
53 # This is when we get popup:
54 # > You're already logged in to lynda.com on two devices.
55 # > If you log in here, we'll log you out of another device.
56 # So, we need to confirm this.
57 if state == 'conflicted':
65 request = sanitized_Request(
66 self._LOGIN_URL, urlencode_postdata(confirm_form))
67 login_page = self._download_webpage(
69 'Confirming log in and log out from another device')
71 if all(not re.search(p, login_page) for p in ('isLoggedIn\s*:\s*true', r'logout\.aspx', r'>Log out<')):
72 if 'login error' in login_page:
74 r'(?s)<h1[^>]+class="topmost">(?P<title>[^<]+)</h1>\s*<div>(?P<description>.+?)</div>',
78 'lynda returned error: %s - %s'
79 % (mobj.group('title'), clean_html(mobj.group('description'))),
81 raise ExtractorError('Unable to log in')
84 username, _ = self._get_login_info()
88 self._download_webpage(
89 'http://www.lynda.com/ajax/logout.aspx', None,
90 'Logging out', 'Unable to log out', fatal=False)
93 class LyndaIE(LyndaBaseIE):
95 IE_DESC = 'lynda.com videos'
96 _VALID_URL = r'https?://www\.lynda\.com/(?:[^/]+/[^/]+/\d+|player/embed)/(?P<id>\d+)'
97 _NETRC_MACHINE = 'lynda'
99 _TIMECODE_REGEX = r'\[(?P<timecode>\d+:\d+:\d+[\.,]\d+)\]'
102 'url': 'http://www.lynda.com/Bootstrap-tutorials/Using-exercise-files/110885/114408-4.html',
103 'md5': 'ecfc6862da89489161fb9cd5f5a6fac1',
107 'title': 'Using the exercise files',
111 'url': 'https://www.lynda.com/player/embed/133770?tr=foo=1;bar=g;fizz=rt&fs=0',
112 'only_matching': True,
115 def _real_extract(self, url):
116 video_id = self._match_id(url)
118 video = self._download_json(
119 'http://www.lynda.com/ajax/player?videoId=%s&type=video' % video_id,
120 video_id, 'Downloading video JSON')
122 if 'Status' in video:
123 raise ExtractorError(
124 'lynda returned error: %s' % video['Message'], expected=True)
126 if video.get('HasAccess') is False:
127 self.raise_login_required('Video %s is only available for members' % video_id)
129 video_id = compat_str(video.get('ID') or video_id)
130 duration = int_or_none(video.get('DurationInSeconds'))
131 title = video['Title']
135 fmts = video.get('Formats')
139 'ext': f.get('Extension'),
140 'width': int_or_none(f.get('Width')),
141 'height': int_or_none(f.get('Height')),
142 'filesize': int_or_none(f.get('FileSize')),
143 'format_id': compat_str(f.get('Resolution')) if f.get('Resolution') else None,
144 } for f in fmts if f.get('Url')])
146 prioritized_streams = video.get('PrioritizedStreams')
147 if prioritized_streams:
148 for prioritized_stream_id, prioritized_stream in prioritized_streams.items():
151 'width': int_or_none(format_id),
152 'format_id': '%s-%s' % (prioritized_stream_id, format_id),
153 } for format_id, video_url in prioritized_stream.items()])
155 self._check_formats(formats, video_id)
156 self._sort_formats(formats)
158 subtitles = self.extract_subtitles(video_id)
163 'duration': duration,
164 'subtitles': subtitles,
168 def _fix_subtitles(self, subs):
171 for pos in range(0, len(subs) - 1):
172 seq_current = subs[pos]
173 m_current = re.match(self._TIMECODE_REGEX, seq_current['Timecode'])
174 if m_current is None:
176 seq_next = subs[pos + 1]
177 m_next = re.match(self._TIMECODE_REGEX, seq_next['Timecode'])
180 appear_time = m_current.group('timecode')
181 disappear_time = m_next.group('timecode')
182 text = seq_current['Caption'].strip()
185 srt += '%s\r\n%s --> %s\r\n%s\r\n\r\n' % (seq_counter, appear_time, disappear_time, text)
189 def _get_subtitles(self, video_id):
190 url = 'http://www.lynda.com/ajax/player?videoId=%s&type=transcript' % video_id
191 subs = self._download_json(url, None, False)
193 return {'en': [{'ext': 'srt', 'data': self._fix_subtitles(subs)}]}
198 class LyndaCourseIE(LyndaBaseIE):
199 IE_NAME = 'lynda:course'
200 IE_DESC = 'lynda.com online courses'
202 # Course link equals to welcome/introduction video link of same course
203 # We will recognize it as course link
204 _VALID_URL = r'https?://(?:www|m)\.lynda\.com/(?P<coursepath>[^/]+/[^/]+/(?P<courseid>\d+))-\d\.html'
206 def _real_extract(self, url):
207 mobj = re.match(self._VALID_URL, url)
208 course_path = mobj.group('coursepath')
209 course_id = mobj.group('courseid')
211 course = self._download_json(
212 'http://www.lynda.com/ajax/player?courseId=%s&type=course' % course_id,
213 course_id, 'Downloading course JSON')
217 if course.get('Status') == 'NotFound':
218 raise ExtractorError(
219 'Course %s does not exist' % course_id, expected=True)
221 unaccessible_videos = 0
224 # Might want to extract videos right here from video['Formats'] as it seems 'Formats' is not provided
225 # by single video API anymore
227 for chapter in course['Chapters']:
228 for video in chapter.get('Videos', []):
229 if video.get('HasAccess') is False:
230 unaccessible_videos += 1
232 video_id = video.get('ID')
235 '_type': 'url_transparent',
236 'url': 'http://www.lynda.com/%s/%s-4.html' % (course_path, video_id),
237 'ie_key': LyndaIE.ie_key(),
238 'chapter': chapter.get('Title'),
239 'chapter_number': int_or_none(chapter.get('ChapterIndex')),
240 'chapter_id': compat_str(chapter.get('ID')),
243 if unaccessible_videos > 0:
244 self._downloader.report_warning(
245 '%s videos are only available for members (or paid members) and will not be downloaded. '
246 % unaccessible_videos + self._ACCOUNT_CREDENTIALS_HINT)
248 course_title = course.get('Title')
250 return self.playlist_result(entries, course_id, course_title)