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[teachable] Add support for teachable based platform sites (closes #5451, closes #18150, closes #18272)
This commit is contained in:
Sergey M․
259
youtube_dl/extractor/teachable.py
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259
youtube_dl/extractor/teachable.py
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from __future__ import unicode_literals
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import re
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from .common import InfoExtractor
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from .wistia import WistiaIE
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from ..compat import compat_str
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from ..utils import (
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clean_html,
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ExtractorError,
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get_element_by_class,
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urlencode_postdata,
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urljoin,
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)
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class TeachableBaseIE(InfoExtractor):
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_NETRC_MACHINE = 'teachable'
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_URL_PREFIX = 'teachable:'
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_SITES = {
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# Only notable ones here
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'upskillcourses.com': 'upskill',
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'academy.gns3.com': 'gns3',
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'academyhacker.com': 'academyhacker',
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'stackskills.com': 'stackskills',
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'market.saleshacker.com': 'saleshacker',
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'learnability.org': 'learnability',
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'edurila.com': 'edurila',
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}
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_VALID_URL_SUB_TUPLE = (_URL_PREFIX, '|'.join(re.escape(site) for site in _SITES.keys()))
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def _real_initialize(self):
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self._logged_in = False
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def _login(self, site):
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if self._logged_in:
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return
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username, password = self._get_login_info(
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netrc_machine=self._SITES.get(site, site))
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if username is None:
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return
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login_page, urlh = self._download_webpage_handle(
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'https://%s/sign_in' % site, None,
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'Downloading %s login page' % site)
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login_url = compat_str(urlh.geturl())
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login_form = self._hidden_inputs(login_page)
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login_form.update({
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'user[email]': username,
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'user[password]': password,
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})
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post_url = self._search_regex(
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r'<form[^>]+action=(["\'])(?P<url>(?:(?!\1).)+)\1', login_page,
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'post url', default=login_url, group='url')
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if not post_url.startswith('http'):
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post_url = urljoin(login_url, post_url)
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response = self._download_webpage(
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post_url, None, 'Logging in to %s' % site,
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data=urlencode_postdata(login_form),
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headers={
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'Content-Type': 'application/x-www-form-urlencoded',
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'Referer': login_url,
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})
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if '>I accept the new Privacy Policy<' in response:
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raise ExtractorError(
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'Unable to login: %s asks you to accept new Privacy Policy. '
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'Go to https://%s/ and accept.' % (site, site), expected=True)
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# Successful login
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if any(re.search(p, response) for p in (
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r'class=["\']user-signout',
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r'<a[^>]+\bhref=["\']/sign_out',
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r'>\s*Log out\s*<')):
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self._logged_in = True
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return
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message = get_element_by_class('alert', response)
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if message is not None:
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raise ExtractorError(
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'Unable to login: %s' % clean_html(message), expected=True)
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raise ExtractorError('Unable to log in')
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class TeachableIE(TeachableBaseIE):
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_VALID_URL = r'''(?x)
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(?:
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%shttps?://(?P<site_t>[^/]+)|
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https?://(?:www\.)?(?P<site>%s)
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)
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/courses/[^/]+/lectures/(?P<id>\d+)
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''' % TeachableBaseIE._VALID_URL_SUB_TUPLE
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_TESTS = [{
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'url': 'http://upskillcourses.com/courses/essential-web-developer-course/lectures/1747100',
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'info_dict': {
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'id': 'uzw6zw58or',
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'ext': 'mp4',
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'title': 'Welcome to the Course!',
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'description': 'md5:65edb0affa582974de4625b9cdea1107',
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'duration': 138.763,
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'timestamp': 1479846621,
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'upload_date': '20161122',
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},
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'params': {
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'skip_download': True,
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},
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}, {
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'url': 'http://upskillcourses.com/courses/119763/lectures/1747100',
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'only_matching': True,
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}, {
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'url': 'https://academy.gns3.com/courses/423415/lectures/6885939',
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'only_matching': True,
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}, {
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'url': 'teachable:https://upskillcourses.com/courses/essential-web-developer-course/lectures/1747100',
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'only_matching': True,
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}]
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@staticmethod
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def _is_teachable(webpage):
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return 'teachableTracker.linker:autoLink' in webpage and re.search(
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r'<link[^>]+href=["\']https?://process\.fs\.teachablecdn\.com',
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webpage)
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@staticmethod
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def _extract_url(webpage, source_url):
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if not TeachableIE._is_teachable(webpage):
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print('NOT TEACHABLE')
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return
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if re.match(r'https?://[^/]+/(?:courses|p)', source_url):
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return '%s%s' % (TeachableBaseIE._URL_PREFIX, source_url)
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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site = mobj.group('site') or mobj.group('site_t')
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video_id = mobj.group('id')
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self._login(site)
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prefixed = url.startswith(self._URL_PREFIX)
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if prefixed:
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url = url[len(self._URL_PREFIX):]
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webpage = self._download_webpage(url, video_id)
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wistia_url = WistiaIE._extract_url(webpage)
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if not wistia_url:
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if any(re.search(p, webpage) for p in (
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r'class=["\']lecture-contents-locked',
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r'>\s*Lecture contents locked',
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r'id=["\']lecture-locked')):
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self.raise_login_required('Lecture contents locked')
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title = self._og_search_title(webpage, default=None)
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return {
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'_type': 'url_transparent',
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'url': wistia_url,
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'ie_key': WistiaIE.ie_key(),
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'title': title,
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}
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class TeachableCourseIE(TeachableBaseIE):
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_VALID_URL = r'''(?x)
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(?:
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%shttps?://(?P<site_t>[^/]+)|
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https?://(?:www\.)?(?P<site>%s)
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)
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/(?:courses|p)/(?:enrolled/)?(?P<id>[^/?#&]+)
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''' % TeachableBaseIE._VALID_URL_SUB_TUPLE
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_TESTS = [{
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'url': 'http://upskillcourses.com/courses/essential-web-developer-course/',
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'info_dict': {
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'id': 'essential-web-developer-course',
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'title': 'The Essential Web Developer Course (Free)',
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},
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'playlist_count': 192,
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}, {
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'url': 'http://upskillcourses.com/courses/119763/',
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'only_matching': True,
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}, {
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'url': 'http://upskillcourses.com/courses/enrolled/119763',
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'only_matching': True,
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}, {
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'url': 'https://academy.gns3.com/courses/enrolled/423415',
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'only_matching': True,
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}, {
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'url': 'teachable:https://learn.vrdev.school/p/gear-vr-developer-mini',
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'only_matching': True,
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}, {
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'url': 'teachable:https://filmsimplified.com/p/davinci-resolve-15-crash-course',
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'only_matching': True,
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}]
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@classmethod
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def suitable(cls, url):
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return False if TeachableIE.suitable(url) else super(
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TeachableCourseIE, cls).suitable(url)
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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site = mobj.group('site') or mobj.group('site_t')
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course_id = mobj.group('id')
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self._login(site)
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prefixed = url.startswith(self._URL_PREFIX)
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if prefixed:
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prefix = self._URL_PREFIX
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url = url[len(prefix):]
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webpage = self._download_webpage(url, course_id)
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url_base = 'https://%s/' % site
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entries = []
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for mobj in re.finditer(
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r'(?s)(?P<li><li[^>]+class=(["\'])(?:(?!\2).)*?section-item[^>]+>.+?</li>)',
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webpage):
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li = mobj.group('li')
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if 'fa-youtube-play' not in li:
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continue
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lecture_url = self._search_regex(
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r'<a[^>]+href=(["\'])(?P<url>(?:(?!\1).)+)\1', li,
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'lecture url', default=None, group='url')
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if not lecture_url:
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continue
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lecture_id = self._search_regex(
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r'/lectures/(\d+)', lecture_url, 'lecture id', default=None)
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title = self._html_search_regex(
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r'<span[^>]+class=["\']lecture-name[^>]+>([^<]+)', li,
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'title', default=None)
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entry_url = urljoin(url_base, lecture_url)
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if prefixed:
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entry_url = self._URL_PREFIX + entry_url
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entries.append(
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self.url_result(
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entry_url,
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ie=TeachableIE.ie_key(), video_id=lecture_id,
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video_title=clean_html(title)))
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course_title = self._html_search_regex(
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(r'(?s)<img[^>]+class=["\']course-image[^>]+>\s*<h\d>(.+?)</h',
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r'(?s)<h\d[^>]+class=["\']course-title[^>]+>(.+?)</h'),
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webpage, 'course title', fatal=False)
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return self.playlist_result(entries, course_id, course_title)
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