teachable.py (10499B)
- from __future__ import unicode_literals
- import re
- from .common import InfoExtractor
- from .wistia import WistiaIE
- from ..utils import (
- clean_html,
- ExtractorError,
- int_or_none,
- get_element_by_class,
- strip_or_none,
- urlencode_postdata,
- urljoin,
- )
- class TeachableBaseIE(InfoExtractor):
- _NETRC_MACHINE = 'teachable'
- _URL_PREFIX = 'teachable:'
- _SITES = {
- # Only notable ones here
- 'v1.upskillcourses.com': 'upskill',
- 'gns3.teachable.com': 'gns3',
- 'academyhacker.com': 'academyhacker',
- 'stackskills.com': 'stackskills',
- 'market.saleshacker.com': 'saleshacker',
- 'learnability.org': 'learnability',
- 'edurila.com': 'edurila',
- 'courses.workitdaily.com': 'workitdaily',
- }
- _VALID_URL_SUB_TUPLE = (_URL_PREFIX, '|'.join(re.escape(site) for site in _SITES.keys()))
- def _real_initialize(self):
- self._logged_in = False
- def _login(self, site):
- if self._logged_in:
- return
- username, password = self._get_login_info(
- netrc_machine=self._SITES.get(site, site))
- if username is None:
- return
- login_page, urlh = self._download_webpage_handle(
- 'https://%s/sign_in' % site, None,
- 'Downloading %s login page' % site)
- def is_logged(webpage):
- return any(re.search(p, webpage) for p in (
- r'class=["\']user-signout',
- r'<a[^>]+\bhref=["\']/sign_out',
- r'Log\s+[Oo]ut\s*<'))
- if is_logged(login_page):
- self._logged_in = True
- return
- login_url = urlh.geturl()
- login_form = self._hidden_inputs(login_page)
- login_form.update({
- 'user[email]': username,
- 'user[password]': password,
- })
- post_url = self._search_regex(
- r'<form[^>]+action=(["\'])(?P<url>(?:(?!\1).)+)\1', login_page,
- 'post url', default=login_url, group='url')
- if not post_url.startswith('http'):
- post_url = urljoin(login_url, post_url)
- response = self._download_webpage(
- post_url, None, 'Logging in to %s' % site,
- data=urlencode_postdata(login_form),
- headers={
- 'Content-Type': 'application/x-www-form-urlencoded',
- 'Referer': login_url,
- })
- if '>I accept the new Privacy Policy<' in response:
- raise ExtractorError(
- 'Unable to login: %s asks you to accept new Privacy Policy. '
- 'Go to https://%s/ and accept.' % (site, site), expected=True)
- # Successful login
- if is_logged(response):
- self._logged_in = True
- return
- message = get_element_by_class('alert', response)
- if message is not None:
- raise ExtractorError(
- 'Unable to login: %s' % clean_html(message), expected=True)
- raise ExtractorError('Unable to log in')
- class TeachableIE(TeachableBaseIE):
- _VALID_URL = r'''(?x)
- (?:
- %shttps?://(?P<site_t>[^/]+)|
- https?://(?:www\.)?(?P<site>%s)
- )
- /courses/[^/]+/lectures/(?P<id>\d+)
- ''' % TeachableBaseIE._VALID_URL_SUB_TUPLE
- _TESTS = [{
- 'url': 'https://gns3.teachable.com/courses/gns3-certified-associate/lectures/6842364',
- 'info_dict': {
- 'id': 'untlgzk1v7',
- 'ext': 'bin',
- 'title': 'Overview',
- 'description': 'md5:071463ff08b86c208811130ea1c2464c',
- 'duration': 736.4,
- 'timestamp': 1542315762,
- 'upload_date': '20181115',
- 'chapter': 'Welcome',
- 'chapter_number': 1,
- },
- 'params': {
- 'skip_download': True,
- },
- }, {
- 'url': 'http://v1.upskillcourses.com/courses/119763/lectures/1747100',
- 'only_matching': True,
- }, {
- 'url': 'https://gns3.teachable.com/courses/423415/lectures/6885939',
- 'only_matching': True,
- }, {
- 'url': 'teachable:https://v1.upskillcourses.com/courses/essential-web-developer-course/lectures/1747100',
- 'only_matching': True,
- }]
- @staticmethod
- def _is_teachable(webpage):
- return 'teachableTracker.linker:autoLink' in webpage and re.search(
- r'<link[^>]+href=["\']https?://(?:process\.fs|assets)\.teachablecdn\.com',
- webpage)
- @staticmethod
- def _extract_url(webpage, source_url):
- if not TeachableIE._is_teachable(webpage):
- return
- if re.match(r'https?://[^/]+/(?:courses|p)', source_url):
- return '%s%s' % (TeachableBaseIE._URL_PREFIX, source_url)
- def _real_extract(self, url):
- mobj = re.match(self._VALID_URL, url)
- site = mobj.group('site') or mobj.group('site_t')
- video_id = mobj.group('id')
- self._login(site)
- prefixed = url.startswith(self._URL_PREFIX)
- if prefixed:
- url = url[len(self._URL_PREFIX):]
- webpage = self._download_webpage(url, video_id)
- wistia_urls = WistiaIE._extract_urls(webpage)
- if not wistia_urls:
- if any(re.search(p, webpage) for p in (
- r'class=["\']lecture-contents-locked',
- r'>\s*Lecture contents locked',
- r'id=["\']lecture-locked',
- # https://academy.tailoredtutors.co.uk/courses/108779/lectures/1955313
- r'class=["\'](?:inner-)?lesson-locked',
- r'>LESSON LOCKED<')):
- self.raise_login_required('Lecture contents locked')
- raise ExtractorError('Unable to find video URL')
- title = self._og_search_title(webpage, default=None)
- chapter = None
- chapter_number = None
- section_item = self._search_regex(
- r'(?s)(?P<li><li[^>]+\bdata-lecture-id=["\']%s[^>]+>.+?</li>)' % video_id,
- webpage, 'section item', default=None, group='li')
- if section_item:
- chapter_number = int_or_none(self._search_regex(
- r'data-ss-position=["\'](\d+)', section_item, 'section id',
- default=None))
- if chapter_number is not None:
- sections = []
- for s in re.findall(
- r'(?s)<div[^>]+\bclass=["\']section-title[^>]+>(.+?)</div>', webpage):
- section = strip_or_none(clean_html(s))
- if not section:
- sections = []
- break
- sections.append(section)
- if chapter_number <= len(sections):
- chapter = sections[chapter_number - 1]
- entries = [{
- '_type': 'url_transparent',
- 'url': wistia_url,
- 'ie_key': WistiaIE.ie_key(),
- 'title': title,
- 'chapter': chapter,
- 'chapter_number': chapter_number,
- } for wistia_url in wistia_urls]
- return self.playlist_result(entries, video_id, title)
- class TeachableCourseIE(TeachableBaseIE):
- _VALID_URL = r'''(?x)
- (?:
- %shttps?://(?P<site_t>[^/]+)|
- https?://(?:www\.)?(?P<site>%s)
- )
- /(?:courses|p)/(?:enrolled/)?(?P<id>[^/?#&]+)
- ''' % TeachableBaseIE._VALID_URL_SUB_TUPLE
- _TESTS = [{
- 'url': 'http://v1.upskillcourses.com/courses/essential-web-developer-course/',
- 'info_dict': {
- 'id': 'essential-web-developer-course',
- 'title': 'The Essential Web Developer Course (Free)',
- },
- 'playlist_count': 192,
- }, {
- 'url': 'http://v1.upskillcourses.com/courses/119763/',
- 'only_matching': True,
- }, {
- 'url': 'http://v1.upskillcourses.com/courses/enrolled/119763',
- 'only_matching': True,
- }, {
- 'url': 'https://gns3.teachable.com/courses/enrolled/423415',
- 'only_matching': True,
- }, {
- 'url': 'teachable:https://learn.vrdev.school/p/gear-vr-developer-mini',
- 'only_matching': True,
- }, {
- 'url': 'teachable:https://filmsimplified.com/p/davinci-resolve-15-crash-course',
- 'only_matching': True,
- }]
- @classmethod
- def suitable(cls, url):
- return False if TeachableIE.suitable(url) else super(
- TeachableCourseIE, cls).suitable(url)
- def _real_extract(self, url):
- mobj = re.match(self._VALID_URL, url)
- site = mobj.group('site') or mobj.group('site_t')
- course_id = mobj.group('id')
- self._login(site)
- prefixed = url.startswith(self._URL_PREFIX)
- if prefixed:
- prefix = self._URL_PREFIX
- url = url[len(prefix):]
- webpage = self._download_webpage(url, course_id)
- url_base = 'https://%s/' % site
- entries = []
- for mobj in re.finditer(
- r'(?s)(?P<li><li[^>]+class=(["\'])(?:(?!\2).)*?section-item[^>]+>.+?</li>)',
- webpage):
- li = mobj.group('li')
- if 'fa-youtube-play' not in li and not re.search(r'\d{1,2}:\d{2}', li):
- continue
- lecture_url = self._search_regex(
- r'<a[^>]+href=(["\'])(?P<url>(?:(?!\1).)+)\1', li,
- 'lecture url', default=None, group='url')
- if not lecture_url:
- continue
- lecture_id = self._search_regex(
- r'/lectures/(\d+)', lecture_url, 'lecture id', default=None)
- title = self._html_search_regex(
- r'<span[^>]+class=["\']lecture-name[^>]+>([^<]+)', li,
- 'title', default=None)
- entry_url = urljoin(url_base, lecture_url)
- if prefixed:
- entry_url = self._URL_PREFIX + entry_url
- entries.append(
- self.url_result(
- entry_url,
- ie=TeachableIE.ie_key(), video_id=lecture_id,
- video_title=clean_html(title)))
- course_title = self._html_search_regex(
- (r'(?s)<img[^>]+class=["\']course-image[^>]+>\s*<h\d>(.+?)</h',
- r'(?s)<h\d[^>]+class=["\']course-title[^>]+>(.+?)</h'),
- webpage, 'course title', fatal=False)
- return self.playlist_result(entries, course_id, course_title)