import base64 from .common import InfoExtractor from ..utils import ( ExtractorError, clean_html, int_or_none, str_or_none, try_get, url_or_none, urlencode_postdata, urljoin, ) class PlatziBaseIE(InfoExtractor): _LOGIN_URL = 'https://platzi.com/login/' _NETRC_MACHINE = 'platzi' def _perform_login(self, username, password): login_page = self._download_webpage( self._LOGIN_URL, None, 'Downloading login page') login_form = self._hidden_inputs(login_page) login_form.update({ 'email': username, 'password': password, }) urlh = self._request_webpage( self._LOGIN_URL, None, 'Logging in', data=urlencode_postdata(login_form), headers={'Referer': self._LOGIN_URL}) # login succeeded if 'platzi.com/login' not in urlh.url: return login_error = self._webpage_read_content( urlh, self._LOGIN_URL, None, 'Downloading login error page') login = self._parse_json( self._search_regex( r'login\s*=\s*({.+?})(?:\s*;|\s*</script)', login_error, 'login'), None) for kind in ('error', 'password', 'nonFields'): error = str_or_none(login.get(f'{kind}Error')) if error: raise ExtractorError( f'Unable to login: {error}', expected=True) raise ExtractorError('Unable to log in') class PlatziIE(PlatziBaseIE): _VALID_URL = r'''(?x) https?:// (?: platzi\.com/clases| # es version courses\.platzi\.com/classes # en version )/[^/]+/(?P<id>\d+)-[^/?\#&]+ ''' _TESTS = [{ 'url': 'https://platzi.com/clases/1311-next-js/12074-creando-nuestra-primera-pagina/', 'md5': '8f56448241005b561c10f11a595b37e3', 'info_dict': { 'id': '12074', 'ext': 'mp4', 'title': 'Creando nuestra primera página', 'description': 'md5:4c866e45034fc76412fbf6e60ae008bc', 'duration': 420, }, 'skip': 'Requires platzi account credentials', }, { 'url': 'https://courses.platzi.com/classes/1367-communication-codestream/13430-background/', 'info_dict': { 'id': '13430', 'ext': 'mp4', 'title': 'Background', 'description': 'md5:49c83c09404b15e6e71defaf87f6b305', 'duration': 360, }, 'skip': 'Requires platzi account credentials', 'params': { 'skip_download': True, }, }] def _real_extract(self, url): lecture_id = self._match_id(url) webpage = self._download_webpage(url, lecture_id) data = self._parse_json( self._search_regex( # client_data may contain "};" so that we have to try more # strict regex first (r'client_data\s*=\s*({.+?})\s*;\s*\n', r'client_data\s*=\s*({.+?})\s*;'), webpage, 'client data'), lecture_id) material = data['initialState']['material'] desc = material['description'] title = desc['title'] formats = [] for server_id, server in material['videos'].items(): if not isinstance(server, dict): continue for format_id in ('hls', 'dash'): format_url = url_or_none(server.get(format_id)) if not format_url: continue if format_id == 'hls': formats.extend(self._extract_m3u8_formats( format_url, lecture_id, 'mp4', entry_protocol='m3u8_native', m3u8_id=format_id, note=f'Downloading {server_id} m3u8 information', fatal=False)) elif format_id == 'dash': formats.extend(self._extract_mpd_formats( format_url, lecture_id, mpd_id=format_id, note=f'Downloading {server_id} MPD manifest', fatal=False)) content = str_or_none(desc.get('content')) description = (clean_html(base64.b64decode(content).decode('utf-8')) if content else None) duration = int_or_none(material.get('duration'), invscale=60) return { 'id': lecture_id, 'title': title, 'description': description, 'duration': duration, 'formats': formats, } class PlatziCourseIE(PlatziBaseIE): _VALID_URL = r'''(?x) https?:// (?: platzi\.com/clases| # es version courses\.platzi\.com/classes # en version )/(?P<id>[^/?\#&]+) ''' _TESTS = [{ 'url': 'https://platzi.com/clases/next-js/', 'info_dict': { 'id': '1311', 'title': 'Curso de Next.js', }, 'playlist_count': 22, }, { 'url': 'https://courses.platzi.com/classes/communication-codestream/', 'info_dict': { 'id': '1367', 'title': 'Codestream Course', }, 'playlist_count': 14, }] @classmethod def suitable(cls, url): return False if PlatziIE.suitable(url) else super().suitable(url) def _real_extract(self, url): course_name = self._match_id(url) webpage = self._download_webpage(url, course_name) props = self._parse_json( self._search_regex(r'data\s*=\s*({.+?})\s*;', webpage, 'data'), course_name)['initialProps'] entries = [] for chapter_num, chapter in enumerate(props['concepts'], 1): if not isinstance(chapter, dict): continue materials = chapter.get('materials') if not materials or not isinstance(materials, list): continue chapter_title = chapter.get('title') chapter_id = str_or_none(chapter.get('id')) for material in materials: if not isinstance(material, dict): continue if material.get('material_type') != 'video': continue video_url = urljoin(url, material.get('url')) if not video_url: continue entries.append({ '_type': 'url_transparent', 'url': video_url, 'title': str_or_none(material.get('name')), 'id': str_or_none(material.get('id')), 'ie_key': PlatziIE.ie_key(), 'chapter': chapter_title, 'chapter_number': chapter_num, 'chapter_id': chapter_id, }) course_id = str(try_get(props, lambda x: x['course']['id'])) course_title = try_get(props, lambda x: x['course']['name'], str) return self.playlist_result(entries, course_id, course_title)