import re from .common import InfoExtractor from ..compat import ( compat_urlparse, ) from ..utils import ( urlencode_postdata, urljoin, int_or_none, clean_html, ExtractorError ) class AluraIE(InfoExtractor): _VALID_URL = r'https?://(?:cursos\.)?alura\.com\.br/course/(?P[^/]+)/task/(?P\d+)' _LOGIN_URL = 'https://cursos.alura.com.br/loginForm?urlAfterLogin=/loginForm' _VIDEO_URL = 'https://cursos.alura.com.br/course/%s/task/%s/video' _NETRC_MACHINE = 'alura' _TESTS = [{ 'url': 'https://cursos.alura.com.br/course/clojure-mutabilidade-com-atoms-e-refs/task/60095', 'info_dict': { 'id': '60095', 'ext': 'mp4', 'title': 'ReferĂȘncias, ref-set e alter' }, 'skip': 'Requires alura account credentials'}, { # URL without video 'url': 'https://cursos.alura.com.br/course/clojure-mutabilidade-com-atoms-e-refs/task/60098', 'only_matching': True}, { 'url': 'https://cursos.alura.com.br/course/fundamentos-market-digital/task/55219', 'only_matching': True} ] def _real_extract(self, url): course, video_id = self._match_valid_url(url) video_url = self._VIDEO_URL % (course, video_id) video_dict = self._download_json(video_url, video_id, 'Searching for videos') if video_dict: webpage = self._download_webpage(url, video_id) video_title = clean_html(self._search_regex( r']+class=(["\'])task-body-header-title-text\1[^>]*>(?P[^<]+)', webpage, 'title', group='title')) formats = [] for video_obj in video_dict: video_url_m3u8 = video_obj.get('link') video_format = self._extract_m3u8_formats( video_url_m3u8, None, 'mp4', entry_protocol='m3u8_native', m3u8_id='hls', fatal=False) for f in video_format: m = re.search(r'^[\w \W]*-(?P<res>\w*).mp4[\W \w]*', f['url']) if m: if not f.get('height'): f['height'] = int('720' if m.group('res') == 'hd' else '480') formats.extend(video_format) self._sort_formats(formats) return { 'id': video_id, 'title': video_title, "formats": formats } def _perform_login(self, username, password): login_page = self._download_webpage( self._LOGIN_URL, None, 'Downloading login popup') def is_logged(webpage): return any(re.search(p, webpage) for p in ( r'href=[\"|\']?/signout[\"|\']', r'>Logout<')) # already logged in if is_logged(login_page): return login_form = self._hidden_inputs(login_page) login_form.update({ 'username': username, 'password': password, }) post_url = self._search_regex( r'<form[^>]+class=["|\']signin-form["|\'] action=["|\'](?P<url>.+?)["|\']', login_page, 'post url', default=self._LOGIN_URL, group='url') if not post_url.startswith('http'): post_url = compat_urlparse.urljoin(self._LOGIN_URL, post_url) response = self._download_webpage( post_url, None, 'Logging in', data=urlencode_postdata(login_form), headers={'Content-Type': 'application/x-www-form-urlencoded'}) if not is_logged(response): error = self._html_search_regex( r'(?s)<p[^>]+class="alert-message[^"]*">(.+?)</p>', response, 'error message', default=None) if error: raise ExtractorError('Unable to login: %s' % error, expected=True) raise ExtractorError('Unable to log in') class AluraCourseIE(AluraIE): # XXX: Do not subclass from concrete IE _VALID_URL = r'https?://(?:cursos\.)?alura\.com\.br/course/(?P<id>[^/]+)' _LOGIN_URL = 'https://cursos.alura.com.br/loginForm?urlAfterLogin=/loginForm' _NETRC_MACHINE = 'aluracourse' _TESTS = [{ 'url': 'https://cursos.alura.com.br/course/clojure-mutabilidade-com-atoms-e-refs', 'only_matching': True, }] @classmethod def suitable(cls, url): return False if AluraIE.suitable(url) else super(AluraCourseIE, cls).suitable(url) def _real_extract(self, url): course_path = self._match_id(url) webpage = self._download_webpage(url, course_path) course_title = self._search_regex( r'<h1.*?>(.*?)<strong>(?P<course_title>.*?)</strong></h[0-9]>', webpage, 'course title', default=course_path, group='course_title') entries = [] if webpage: for path in re.findall(r'<a\b(?=[^>]* class="[^"]*(?<=[" ])courseSectionList-section[" ])(?=[^>]* href="([^"]*))', webpage): page_url = urljoin(url, path) section_path = self._download_webpage(page_url, course_path) for path_video in re.findall(r'<a\b(?=[^>]* class="[^"]*(?<=[" ])task-menu-nav-item-link-VIDEO[" ])(?=[^>]* href="([^"]*))', section_path): chapter = clean_html( self._search_regex( r'<h3[^>]+class=(["\'])task-menu-section-title-text\1[^>]*>(?P<chapter>[^<]+)', section_path, 'chapter', group='chapter')) chapter_number = int_or_none( self._search_regex( r'<span[^>]+class=(["\'])task-menu-section-title-number[^>]*>(.*?)<strong>(?P<chapter_number>[^<]+)</strong>', section_path, 'chapter number', group='chapter_number')) video_url = urljoin(url, path_video) entry = { '_type': 'url_transparent', 'id': self._match_id(video_url), 'url': video_url, 'id_key': self.ie_key(), 'chapter': chapter, 'chapter_number': chapter_number } entries.append(entry) return self.playlist_result(entries, course_path, course_title)