[lecturio] Add extractor (closes #18405)
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# coding: utf-8 |
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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 ..compat import compat_str |
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from ..utils import ( |
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determine_ext, |
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extract_attributes, |
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ExtractorError, |
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float_or_none, |
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int_or_none, |
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str_or_none, |
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url_or_none, |
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urlencode_postdata, |
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urljoin, |
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) |
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class LecturioBaseIE(InfoExtractor): |
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_LOGIN_URL = 'https://app.lecturio.com/en/login' |
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_NETRC_MACHINE = 'lecturio' |
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def _real_initialize(self): |
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self._login() |
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def _login(self): |
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username, password = self._get_login_info() |
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if username is None: |
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return |
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# Sets some cookies |
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_, urlh = self._download_webpage_handle( |
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self._LOGIN_URL, None, 'Downloading login popup') |
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def is_logged(url_handle): |
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return self._LOGIN_URL not in compat_str(url_handle.geturl()) |
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# Already logged in |
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if is_logged(urlh): |
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return |
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login_form = { |
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'signin[email]': username, |
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'signin[password]': password, |
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'signin[remember]': 'on', |
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} |
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response, urlh = self._download_webpage_handle( |
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self._LOGIN_URL, None, 'Logging in', |
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data=urlencode_postdata(login_form)) |
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# Logged in successfully |
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if is_logged(urlh): |
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return |
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errors = self._html_search_regex( |
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r'(?s)<ul[^>]+class=["\']error_list[^>]+>(.+?)</ul>', response, |
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'errors', default=None) |
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if errors: |
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raise ExtractorError('Unable to login: %s' % errors, expected=True) |
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raise ExtractorError('Unable to log in') |
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class LecturioIE(LecturioBaseIE): |
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_VALID_URL = r'https://app\.lecturio\.com/[^/]+/(?P<id>[^/?#&]+)\.lecture' |
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_TEST = { |
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'url': 'https://app.lecturio.com/medical-courses/important-concepts-and-terms-introduction-to-microbiology.lecture#tab/videos', |
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'md5': 'f576a797a5b7a5e4e4bbdfc25a6a6870', |
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'info_dict': { |
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'id': '39634', |
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'ext': 'mp4', |
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'title': 'Important Concepts and Terms – Introduction to Microbiology', |
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}, |
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'skip': 'Requires lecturio account credentials', |
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} |
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_CC_LANGS = { |
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'German': 'de', |
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'English': 'en', |
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'Spanish': 'es', |
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'French': 'fr', |
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'Polish': 'pl', |
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'Russian': 'ru', |
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} |
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def _real_extract(self, url): |
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display_id = self._match_id(url) |
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webpage = self._download_webpage( |
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'https://app.lecturio.com/en/lecture/%s/player.html' % display_id, |
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display_id) |
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lecture_id = self._search_regex( |
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r'lecture_id\s*=\s*(?:L_)?(\d+)', webpage, 'lecture id') |
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api_url = self._search_regex( |
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r'lectureDataLink\s*:\s*(["\'])(?P<url>(?:(?!\1).)+)\1', webpage, |
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'api url', group='url') |
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video = self._download_json(api_url, display_id) |
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title = video['title'].strip() |
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formats = [] |
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for format_ in video['content']['media']: |
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if not isinstance(format_, dict): |
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continue |
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file_ = format_.get('file') |
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if not file_: |
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continue |
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ext = determine_ext(file_) |
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if ext == 'smil': |
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# smil contains only broken RTMP formats anyway |
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continue |
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file_url = url_or_none(file_) |
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if not file_url: |
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continue |
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label = str_or_none(format_.get('label')) |
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filesize = int_or_none(format_.get('fileSize')) |
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formats.append({ |
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'url': file_url, |
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'format_id': label, |
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'filesize': float_or_none(filesize, invscale=1000) |
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}) |
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self._sort_formats(formats) |
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subtitles = {} |
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automatic_captions = {} |
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cc = self._parse_json( |
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self._search_regex( |
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r'subtitleUrls\s*:\s*({.+?})\s*,', webpage, 'subtitles', |
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default='{}'), display_id, fatal=False) |
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for cc_label, cc_url in cc.items(): |
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cc_url = url_or_none(cc_url) |
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if not cc_url: |
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continue |
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sub_dict = automatic_captions if 'auto-translated' in cc_label else subtitles |
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lang = self._search_regex( |
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r'/([a-z]{2})_', cc_url, 'lang', default=cc_label.split()[0]) |
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sub_dict.setdefault(self._CC_LANGS.get(lang, lang), []).append({ |
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'url': cc_url, |
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}) |
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return { |
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'id': lecture_id, |
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'title': title, |
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'formats': formats, |
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'subtitles': subtitles, |
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'automatic_captions': automatic_captions, |
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} |
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class LecturioCourseIE(LecturioBaseIE): |
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_VALID_URL = r'https://app\.lecturio\.com/[^/]+/(?P<id>[^/?#&]+)\.course' |
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_TEST = { |
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'url': 'https://app.lecturio.com/medical-courses/microbiology-introduction.course#/', |
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'info_dict': { |
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'id': 'microbiology-introduction', |
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'title': 'Microbiology: Introduction', |
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}, |
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'playlist_count': 45, |
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'skip': 'Requires lecturio account credentials', |
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} |
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def _real_extract(self, url): |
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display_id = self._match_id(url) |
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webpage = self._download_webpage(url, display_id) |
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entries = [] |
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for mobj in re.finditer( |
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r'(?s)<[^>]+\bdata-url=(["\'])(?:(?!\1).)+\.lecture\b[^>]+>', |
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webpage): |
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params = extract_attributes(mobj.group(0)) |
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lecture_url = urljoin(url, params.get('data-url')) |
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lecture_id = params.get('data-id') |
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entries.append(self.url_result( |
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lecture_url, ie=LecturioIE.ie_key(), video_id=lecture_id)) |
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title = self._search_regex( |
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r'<span[^>]+class=["\']content-title[^>]+>([^<]+)', webpage, |
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'title', default=None) |
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return self.playlist_result(entries, display_id, title) |
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