from __future__ import unicode_literals
+import re
+
from .common import InfoExtractor
from ..compat import (
compat_HTTPError,
- compat_urllib_parse,
+ compat_kwargs,
+ compat_str,
compat_urllib_request,
+ compat_urlparse,
)
from ..utils import (
+ determine_ext,
+ extract_attributes,
ExtractorError,
float_or_none,
int_or_none,
+ js_to_json,
sanitized_Request,
+ try_get,
+ unescapeHTML,
+ url_or_none,
+ urlencode_postdata,
)
class UdemyIE(InfoExtractor):
IE_NAME = 'udemy'
- _VALID_URL = r'https?://www\.udemy\.com/(?:[^#]+#/lecture/|lecture/view/?\?lectureId=)(?P<id>\d+)'
+ _VALID_URL = r'''(?x)
+ https?://
+ (?:[^/]+\.)?udemy\.com/
+ (?:
+ [^#]+\#/lecture/|
+ lecture/view/?\?lectureId=|
+ [^/]+/learn/v4/t/lecture/
+ )
+ (?P<id>\d+)
+ '''
_LOGIN_URL = 'https://www.udemy.com/join/login-popup/?displayType=ajax&showSkipButton=1'
_ORIGIN_URL = 'https://www.udemy.com'
- _SUCCESSFULLY_ENROLLED = '>You have enrolled in this course!<'
- _ALREADY_ENROLLED = '>You are already taking this course.<'
_NETRC_MACHINE = 'udemy'
_TESTS = [{
'duration': 579.29,
},
'skip': 'Requires udemy account credentials',
+ }, {
+ # new URL schema
+ 'url': 'https://www.udemy.com/electric-bass-right-from-the-start/learn/v4/t/lecture/4580906',
+ 'only_matching': True,
+ }, {
+ # no url in outputs format entry
+ 'url': 'https://www.udemy.com/learn-web-development-complete-step-by-step-guide-to-success/learn/v4/t/lecture/4125812',
+ 'only_matching': True,
+ }, {
+ # only outputs rendition
+ 'url': 'https://www.udemy.com/how-you-can-help-your-local-community-5-amazing-examples/learn/v4/t/lecture/3225750?start=0',
+ 'only_matching': True,
+ }, {
+ 'url': 'https://wipro.udemy.com/java-tutorial/#/lecture/172757',
+ 'only_matching': True,
}]
- def _enroll_course(self, webpage, course_id):
- enroll_url = self._search_regex(
- r'href=(["\'])(?P<url>https?://(?:www\.)?udemy\.com/course/subscribe/.+?)\1',
- webpage, 'enroll url', group='url',
- default='https://www.udemy.com/course/subscribe/?courseId=%s' % course_id)
- webpage = self._download_webpage(enroll_url, course_id, 'Enrolling in the course')
- if self._SUCCESSFULLY_ENROLLED in webpage:
- self.to_screen('%s: Successfully enrolled in' % course_id)
- elif self._ALREADY_ENROLLED in webpage:
- self.to_screen('%s: Already enrolled in' % course_id)
+ def _extract_course_info(self, webpage, video_id):
+ course = self._parse_json(
+ unescapeHTML(self._search_regex(
+ r'ng-init=["\'].*\bcourse=({.+?})[;"\']',
+ webpage, 'course', default='{}')),
+ video_id, fatal=False) or {}
+ course_id = course.get('id') or self._search_regex(
+ [
+ r'data-course-id=["\'](\d+)',
+ r'"courseId"\s*:\s*(\d+)'
+ ], webpage, 'course id')
+ return course_id, course.get('title')
+
+ def _enroll_course(self, base_url, webpage, course_id):
+ def combine_url(base_url, url):
+ return compat_urlparse.urljoin(base_url, url) if not url.startswith('http') else url
+
+ checkout_url = unescapeHTML(self._search_regex(
+ r'href=(["\'])(?P<url>(?:https?://(?:www\.)?udemy\.com)?/(?:payment|cart)/checkout/.+?)\1',
+ webpage, 'checkout url', group='url', default=None))
+ if checkout_url:
+ raise ExtractorError(
+ 'Course %s is not free. You have to pay for it before you can download. '
+ 'Use this URL to confirm purchase: %s'
+ % (course_id, combine_url(base_url, checkout_url)),
+ expected=True)
+
+ enroll_url = unescapeHTML(self._search_regex(
+ r'href=(["\'])(?P<url>(?:https?://(?:www\.)?udemy\.com)?/course/subscribe/.+?)\1',
+ webpage, 'enroll url', group='url', default=None))
+ if enroll_url:
+ webpage = self._download_webpage(
+ combine_url(base_url, enroll_url),
+ course_id, 'Enrolling in the course',
+ headers={'Referer': base_url})
+ if '>You have enrolled in' in webpage:
+ self.to_screen('%s: Successfully enrolled in the course' % course_id)
def _download_lecture(self, course_id, lecture_id):
return self._download_json(
- 'https://www.udemy.com/api-2.0/users/me/subscribed-courses/%s/lectures/%s?%s' % (
- course_id, lecture_id, compat_urllib_parse.urlencode({
- 'video_only': '',
- 'auto_play': '',
- 'fields[lecture]': 'title,description,asset',
- 'fields[asset]': 'asset_type,stream_url,thumbnail_url,download_urls,data',
- 'instructorPreviewMode': 'False',
- })),
- lecture_id, 'Downloading lecture JSON')
+ 'https://www.udemy.com/api-2.0/users/me/subscribed-courses/%s/lectures/%s?'
+ % (course_id, lecture_id),
+ lecture_id, 'Downloading lecture JSON', query={
+ 'fields[lecture]': 'title,description,view_html,asset',
+ 'fields[asset]': 'asset_type,stream_url,thumbnail_url,download_urls,stream_urls,captions,data',
+ })
def _handle_error(self, response):
if not isinstance(response, dict):
error_str += ' - %s' % error_data.get('formErrors')
raise ExtractorError(error_str, expected=True)
- def _download_json(self, url_or_request, video_id, note='Downloading JSON metadata'):
+ def _download_webpage_handle(self, *args, **kwargs):
+ headers = kwargs.get('headers', {}).copy()
+ headers['User-Agent'] = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.109 Safari/537.36'
+ kwargs['headers'] = headers
+ ret = super(UdemyIE, self)._download_webpage_handle(
+ *args, **compat_kwargs(kwargs))
+ if not ret:
+ return ret
+ webpage, _ = ret
+ if any(p in webpage for p in (
+ '>Please verify you are a human',
+ 'Access to this page has been denied because we believe you are using automation tools to browse the website',
+ '"_pxCaptcha"')):
+ raise ExtractorError(
+ 'Udemy asks you to solve a CAPTCHA. Login with browser, '
+ 'solve CAPTCHA, then export cookies and pass cookie file to '
+ 'youtube-dl with --cookies.', expected=True)
+ return ret
+
+ def _download_json(self, url_or_request, *args, **kwargs):
headers = {
'X-Udemy-Snail-Case': 'true',
'X-Requested-With': 'XMLHttpRequest',
else:
url_or_request = sanitized_Request(url_or_request, headers=headers)
- response = super(UdemyIE, self)._download_json(url_or_request, video_id, note)
+ response = super(UdemyIE, self)._download_json(url_or_request, *args, **kwargs)
self._handle_error(response)
return response
self._login()
def _login(self):
- (username, password) = self._get_login_info()
+ username, password = self._get_login_info()
if username is None:
return
self._LOGIN_URL, None, 'Downloading login popup')
def is_logged(webpage):
- return any(p in webpage for p in ['href="https://www.udemy.com/user/logout/', '>Logout<'])
+ return any(re.search(p, webpage) for p in (
+ r'href=["\'](?:https://www\.udemy\.com)?/user/logout/',
+ r'>Logout<'))
# already logged in
if is_logged(login_popup):
login_form = self._form_hidden_inputs('login-form', login_popup)
login_form.update({
- 'email': username.encode('utf-8'),
- 'password': password.encode('utf-8'),
+ 'email': username,
+ 'password': password,
})
- request = sanitized_Request(
- self._LOGIN_URL, compat_urllib_parse.urlencode(login_form).encode('utf-8'))
- request.add_header('Referer', self._ORIGIN_URL)
- request.add_header('Origin', self._ORIGIN_URL)
-
response = self._download_webpage(
- request, None, 'Logging in as %s' % username)
+ self._LOGIN_URL, None, 'Logging in',
+ data=urlencode_postdata(login_form),
+ headers={
+ 'Referer': self._ORIGIN_URL,
+ 'Origin': self._ORIGIN_URL,
+ })
if not is_logged(response):
error = self._html_search_regex(
webpage = self._download_webpage(url, lecture_id)
- course_id = self._search_regex(
- r'data-course-id=["\'](\d+)', webpage, 'course id')
+ course_id, _ = self._extract_course_info(webpage, lecture_id)
try:
lecture = self._download_lecture(course_id, lecture_id)
except ExtractorError as e:
# Error could possibly mean we are not enrolled in the course
if isinstance(e.cause, compat_HTTPError) and e.cause.code == 403:
- self._enroll_course(webpage, course_id)
+ self._enroll_course(url, webpage, course_id)
lecture = self._download_lecture(course_id, lecture_id)
else:
raise
asset = lecture['asset']
- asset_type = asset.get('assetType') or asset.get('asset_type')
+ asset_type = asset.get('asset_type') or asset.get('assetType')
if asset_type != 'Video':
raise ExtractorError(
'Lecture %s is not a video' % lecture_id, expected=True)
- stream_url = asset.get('streamUrl') or asset.get('stream_url')
+ stream_url = asset.get('stream_url') or asset.get('streamUrl')
if stream_url:
youtube_url = self._search_regex(
r'(https?://www\.youtube\.com/watch\?v=.*)', stream_url, 'youtube URL', default=None)
if youtube_url:
return self.url_result(youtube_url, 'Youtube')
- video_id = asset['id']
- thumbnail = asset.get('thumbnailUrl') or asset.get('thumbnail_url')
+ video_id = compat_str(asset['id'])
+ thumbnail = asset.get('thumbnail_url') or asset.get('thumbnailUrl')
duration = float_or_none(asset.get('data', {}).get('duration'))
- outputs = asset.get('data', {}).get('outputs', {})
+
+ subtitles = {}
+ automatic_captions = {}
formats = []
- for format_ in asset.get('download_urls', {}).get('Video', []):
- video_url = format_.get('file')
- if not video_url:
- continue
- format_id = format_.get('label')
- f = {
- 'url': format_['file'],
- 'height': int_or_none(format_id),
+
+ def extract_output_format(src, f_id):
+ return {
+ 'url': src.get('url'),
+ 'format_id': '%sp' % (src.get('height') or f_id),
+ 'width': int_or_none(src.get('width')),
+ 'height': int_or_none(src.get('height')),
+ 'vbr': int_or_none(src.get('video_bitrate_in_kbps')),
+ 'vcodec': src.get('video_codec'),
+ 'fps': int_or_none(src.get('frame_rate')),
+ 'abr': int_or_none(src.get('audio_bitrate_in_kbps')),
+ 'acodec': src.get('audio_codec'),
+ 'asr': int_or_none(src.get('audio_sample_rate')),
+ 'tbr': int_or_none(src.get('total_bitrate_in_kbps')),
+ 'filesize': int_or_none(src.get('file_size_in_bytes')),
}
- if format_id:
- # Some videos contain additional metadata (e.g.
- # https://www.udemy.com/ios9-swift/learn/#/lecture/3383208)
- output = outputs.get(format_id)
- if isinstance(output, dict):
- f.update({
- 'format_id': '%sp' % (output.get('label') or format_id),
- 'width': int_or_none(output.get('width')),
- 'height': int_or_none(output.get('height')),
- 'vbr': int_or_none(output.get('video_bitrate_in_kbps')),
- 'vcodec': output.get('video_codec'),
- 'fps': int_or_none(output.get('frame_rate')),
- 'abr': int_or_none(output.get('audio_bitrate_in_kbps')),
- 'acodec': output.get('audio_codec'),
- 'asr': int_or_none(output.get('audio_sample_rate')),
- 'tbr': int_or_none(output.get('total_bitrate_in_kbps')),
- 'filesize': int_or_none(output.get('file_size_in_bytes')),
- })
- else:
- f['format_id'] = '%sp' % format_id
- formats.append(f)
- self._sort_formats(formats)
+ outputs = asset.get('data', {}).get('outputs')
+ if not isinstance(outputs, dict):
+ outputs = {}
+
+ def add_output_format_meta(f, key):
+ output = outputs.get(key)
+ if isinstance(output, dict):
+ output_format = extract_output_format(output, key)
+ output_format.update(f)
+ return output_format
+ return f
+
+ def extract_formats(source_list):
+ if not isinstance(source_list, list):
+ return
+ for source in source_list:
+ video_url = url_or_none(source.get('file') or source.get('src'))
+ if not video_url:
+ continue
+ if source.get('type') == 'application/x-mpegURL' or determine_ext(video_url) == 'm3u8':
+ formats.extend(self._extract_m3u8_formats(
+ video_url, video_id, 'mp4', entry_protocol='m3u8_native',
+ m3u8_id='hls', fatal=False))
+ continue
+ format_id = source.get('label')
+ f = {
+ 'url': video_url,
+ 'format_id': '%sp' % format_id,
+ 'height': int_or_none(format_id),
+ }
+ if format_id:
+ # Some videos contain additional metadata (e.g.
+ # https://www.udemy.com/ios9-swift/learn/#/lecture/3383208)
+ f = add_output_format_meta(f, format_id)
+ formats.append(f)
+
+ def extract_subtitles(track_list):
+ if not isinstance(track_list, list):
+ return
+ for track in track_list:
+ if not isinstance(track, dict):
+ continue
+ if track.get('kind') != 'captions':
+ continue
+ src = url_or_none(track.get('src'))
+ if not src:
+ continue
+ lang = track.get('language') or track.get(
+ 'srclang') or track.get('label')
+ sub_dict = automatic_captions if track.get(
+ 'autogenerated') is True else subtitles
+ sub_dict.setdefault(lang, []).append({
+ 'url': src,
+ })
+
+ for url_kind in ('download', 'stream'):
+ urls = asset.get('%s_urls' % url_kind)
+ if isinstance(urls, dict):
+ extract_formats(urls.get('Video'))
+
+ captions = asset.get('captions')
+ if isinstance(captions, list):
+ for cc in captions:
+ if not isinstance(cc, dict):
+ continue
+ cc_url = url_or_none(cc.get('url'))
+ if not cc_url:
+ continue
+ lang = try_get(cc, lambda x: x['locale']['locale'], compat_str)
+ sub_dict = (automatic_captions if cc.get('source') == 'auto'
+ else subtitles)
+ sub_dict.setdefault(lang or 'en', []).append({
+ 'url': cc_url,
+ })
+
+ view_html = lecture.get('view_html')
+ if view_html:
+ view_html_urls = set()
+ for source in re.findall(r'<source[^>]+>', view_html):
+ attributes = extract_attributes(source)
+ src = attributes.get('src')
+ if not src:
+ continue
+ res = attributes.get('data-res')
+ height = int_or_none(res)
+ if src in view_html_urls:
+ continue
+ view_html_urls.add(src)
+ if attributes.get('type') == 'application/x-mpegURL' or determine_ext(src) == 'm3u8':
+ m3u8_formats = self._extract_m3u8_formats(
+ src, video_id, 'mp4', entry_protocol='m3u8_native',
+ m3u8_id='hls', fatal=False)
+ for f in m3u8_formats:
+ m = re.search(r'/hls_(?P<height>\d{3,4})_(?P<tbr>\d{2,})/', f['url'])
+ if m:
+ if not f.get('height'):
+ f['height'] = int(m.group('height'))
+ if not f.get('tbr'):
+ f['tbr'] = int(m.group('tbr'))
+ formats.extend(m3u8_formats)
+ else:
+ formats.append(add_output_format_meta({
+ 'url': src,
+ 'format_id': '%dp' % height if height else None,
+ 'height': height,
+ }, res))
+
+ # react rendition since 2017.04.15 (see
+ # https://github.com/ytdl-org/youtube-dl/issues/12744)
+ data = self._parse_json(
+ self._search_regex(
+ r'videojs-setup-data=(["\'])(?P<data>{.+?})\1', view_html,
+ 'setup data', default='{}', group='data'), video_id,
+ transform_source=unescapeHTML, fatal=False)
+ if data and isinstance(data, dict):
+ extract_formats(data.get('sources'))
+ if not duration:
+ duration = int_or_none(data.get('duration'))
+ extract_subtitles(data.get('tracks'))
+
+ if not subtitles and not automatic_captions:
+ text_tracks = self._parse_json(
+ self._search_regex(
+ r'text-tracks=(["\'])(?P<data>\[.+?\])\1', view_html,
+ 'text tracks', default='{}', group='data'), video_id,
+ transform_source=lambda s: js_to_json(unescapeHTML(s)),
+ fatal=False)
+ extract_subtitles(text_tracks)
+
+ if not formats and outputs:
+ for format_id, output in outputs.items():
+ f = extract_output_format(output, format_id)
+ if f.get('url'):
+ formats.append(f)
+
+ self._sort_formats(formats, field_preference=('height', 'width', 'tbr', 'format_id'))
return {
'id': video_id,
'description': description,
'thumbnail': thumbnail,
'duration': duration,
- 'formats': formats
+ 'formats': formats,
+ 'subtitles': subtitles,
+ 'automatic_captions': automatic_captions,
}
class UdemyCourseIE(UdemyIE):
IE_NAME = 'udemy:course'
- _VALID_URL = r'https?://www\.udemy\.com/(?P<id>[\da-z-]+)'
- _TESTS = []
+ _VALID_URL = r'https?://(?:[^/]+\.)?udemy\.com/(?P<id>[^/?#&]+)'
+ _TESTS = [{
+ 'url': 'https://www.udemy.com/java-tutorial/',
+ 'only_matching': True,
+ }, {
+ 'url': 'https://wipro.udemy.com/java-tutorial/',
+ 'only_matching': True,
+ }]
@classmethod
def suitable(cls, url):
webpage = self._download_webpage(url, course_path)
- response = self._download_json(
- 'https://www.udemy.com/api-1.1/courses/%s' % course_path,
- course_path, 'Downloading course JSON')
-
- course_id = response['id']
- course_title = response.get('title')
+ course_id, title = self._extract_course_info(webpage, course_path)
- self._enroll_course(webpage, course_id)
+ self._enroll_course(url, webpage, course_id)
response = self._download_json(
- 'https://www.udemy.com/api-1.1/courses/%s/curriculum' % course_id,
- course_id, 'Downloading course curriculum')
+ 'https://www.udemy.com/api-2.0/courses/%s/cached-subscriber-curriculum-items' % course_id,
+ course_id, 'Downloading course curriculum', query={
+ 'fields[chapter]': 'title,object_index',
+ 'fields[lecture]': 'title,asset',
+ 'page_size': '1000',
+ })
entries = []
- chapter, chapter_number = None, None
- for asset in response:
- asset_type = asset.get('assetType') or asset.get('asset_type')
- if asset_type == 'Video':
- asset_id = asset.get('id')
- if asset_id:
+ chapter, chapter_number = [None] * 2
+ for entry in response['results']:
+ clazz = entry.get('_class')
+ if clazz == 'lecture':
+ asset = entry.get('asset')
+ if isinstance(asset, dict):
+ asset_type = asset.get('asset_type') or asset.get('assetType')
+ if asset_type != 'Video':
+ continue
+ lecture_id = entry.get('id')
+ if lecture_id:
entry = {
'_type': 'url_transparent',
- 'url': 'https://www.udemy.com/%s/#/lecture/%s' % (course_path, asset['id']),
+ 'url': 'https://www.udemy.com/%s/learn/v4/t/lecture/%s' % (course_path, entry['id']),
+ 'title': entry.get('title'),
'ie_key': UdemyIE.ie_key(),
}
if chapter_number:
if chapter:
entry['chapter'] = chapter
entries.append(entry)
- elif asset.get('type') == 'chapter':
- chapter_number = asset.get('index') or asset.get('object_index')
- chapter = asset.get('title')
+ elif clazz == 'chapter':
+ chapter_number = entry.get('object_index')
+ chapter = entry.get('title')
- return self.playlist_result(entries, course_id, course_title)
+ return self.playlist_result(entries, course_id, title)
projects / youtube-dl / blobdiff