from __future__ import unicode_literals import re from .common import InfoExtractor from .wistia import WistiaIE from ..compat import compat_str from ..utils import ( clean_html, ExtractorError, get_element_by_class, urlencode_postdata, urljoin, ) class TeachableBaseIE(InfoExtractor): _NETRC_MACHINE = 'teachable' _URL_PREFIX = 'teachable:' _SITES = { # Only notable ones here 'upskillcourses.com': 'upskill', 'academy.gns3.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) login_url = compat_str(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 any(re.search(p, response) for p in ( r'class=["\']user-signout', r'<a[^>]+\bhref=["\']/sign_out', r'>\s*Log out\s*<')): 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': 'http://upskillcourses.com/courses/essential-web-developer-course/lectures/1747100', 'info_dict': { 'id': 'uzw6zw58or', 'ext': 'mp4', 'title': 'Welcome to the Course!', 'description': 'md5:65edb0affa582974de4625b9cdea1107', 'duration': 138.763, 'timestamp': 1479846621, 'upload_date': '20161122', }, 'params': { 'skip_download': True, }, }, { 'url': 'http://upskillcourses.com/courses/119763/lectures/1747100', 'only_matching': True, }, { 'url': 'https://academy.gns3.com/courses/423415/lectures/6885939', 'only_matching': True, }, { 'url': 'teachable:https://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\.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_url = WistiaIE._extract_url(webpage) if not wistia_url: if any(re.search(p, webpage) for p in ( r'class=["\']lecture-contents-locked', r'>\s*Lecture contents locked', r'id=["\']lecture-locked')): self.raise_login_required('Lecture contents locked') title = self._og_search_title(webpage, default=None) return { '_type': 'url_transparent', 'url': wistia_url, 'ie_key': WistiaIE.ie_key(), 'title': 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://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://upskillcourses.com/courses/119763/', 'only_matching': True, }, { 'url': 'http://upskillcourses.com/courses/enrolled/119763', 'only_matching': True, }, { 'url': 'https://academy.gns3.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: 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)