from __future__ import unicode_literals import json from .common import InfoExtractor from ..compat import ( # compat_str, compat_HTTPError, ) from ..utils import ( clean_html, ExtractorError, # remove_end, str_or_none, strip_or_none, unified_timestamp, # urljoin, ) class PacktPubBaseIE(InfoExtractor): # _PACKT_BASE = 'https://www.packtpub.com' _STATIC_PRODUCTS_BASE = 'https://static.packt-cdn.com/products/' class PacktPubIE(PacktPubBaseIE): _VALID_URL = r'https?://(?:(?:www\.)?packtpub\.com/mapt|subscription\.packtpub\.com)/video/[^/]+/(?P\d+)/(?P[^/]+)/(?P[^/]+)(?:/(?P[^/?&#]+))?' _TESTS = [{ 'url': 'https://www.packtpub.com/mapt/video/web-development/9781787122215/20528/20530/Project+Intro', 'md5': '1e74bd6cfd45d7d07666f4684ef58f70', 'info_dict': { 'id': '20530', 'ext': 'mp4', 'title': 'Project Intro', 'thumbnail': r're:(?i)^https?://.*\.jpg', 'timestamp': 1490918400, 'upload_date': '20170331', }, }, { 'url': 'https://subscription.packtpub.com/video/web_development/9781787122215/20528/20530/project-intro', 'only_matching': True, }, { 'url': 'https://subscription.packtpub.com/video/programming/9781838988906/p1/video1_1/business-card-project', 'only_matching': True, }] _NETRC_MACHINE = 'packtpub' _TOKEN = None def _perform_login(self, username, password): try: self._TOKEN = self._download_json( 'https://services.packtpub.com/auth-v1/users/tokens', None, 'Downloading Authorization Token', data=json.dumps({ 'username': username, 'password': password, }).encode())['data']['access'] except ExtractorError as e: if isinstance(e.cause, compat_HTTPError) and e.cause.code in (400, 401, 404): message = self._parse_json(e.cause.read().decode(), None)['message'] raise ExtractorError(message, expected=True) raise def _real_extract(self, url): course_id, chapter_id, video_id, display_id = self._match_valid_url(url).groups() headers = {} if self._TOKEN: headers['Authorization'] = 'Bearer ' + self._TOKEN try: video_url = self._download_json( 'https://services.packtpub.com/products-v1/products/%s/%s/%s' % (course_id, chapter_id, video_id), video_id, 'Downloading JSON video', headers=headers)['data'] except ExtractorError as e: if isinstance(e.cause, compat_HTTPError) and e.cause.code == 400: self.raise_login_required('This video is locked') raise # TODO: find a better way to avoid duplicating course requests # metadata = self._download_json( # '%s/products/%s/chapters/%s/sections/%s/metadata' # % (self._MAPT_REST, course_id, chapter_id, video_id), # video_id)['data'] # title = metadata['pageTitle'] # course_title = metadata.get('title') # if course_title: # title = remove_end(title, ' - %s' % course_title) # timestamp = unified_timestamp(metadata.get('publicationDate')) # thumbnail = urljoin(self._PACKT_BASE, metadata.get('filepath')) return { 'id': video_id, 'url': video_url, 'title': display_id or video_id, # title, # 'thumbnail': thumbnail, # 'timestamp': timestamp, } class PacktPubCourseIE(PacktPubBaseIE): _VALID_URL = r'(?Phttps?://(?:(?:www\.)?packtpub\.com/mapt|subscription\.packtpub\.com)/video/[^/]+/(?P\d+))' _TESTS = [{ 'url': 'https://www.packtpub.com/mapt/video/web-development/9781787122215', 'info_dict': { 'id': '9781787122215', 'title': 'Learn Nodejs by building 12 projects [Video]', 'description': 'md5:489da8d953f416e51927b60a1c7db0aa', }, 'playlist_count': 90, }, { 'url': 'https://subscription.packtpub.com/video/web_development/9781787122215', 'only_matching': True, }] @classmethod def suitable(cls, url): return False if PacktPubIE.suitable(url) else super( PacktPubCourseIE, cls).suitable(url) def _real_extract(self, url): mobj = self._match_valid_url(url) url, course_id = mobj.group('url', 'id') course = self._download_json( self._STATIC_PRODUCTS_BASE + '%s/toc' % course_id, course_id) metadata = self._download_json( self._STATIC_PRODUCTS_BASE + '%s/summary' % course_id, course_id, fatal=False) or {} entries = [] for chapter_num, chapter in enumerate(course['chapters'], 1): chapter_id = str_or_none(chapter.get('id')) sections = chapter.get('sections') if not chapter_id or not isinstance(sections, list): continue chapter_info = { 'chapter': chapter.get('title'), 'chapter_number': chapter_num, 'chapter_id': chapter_id, } for section in sections: section_id = str_or_none(section.get('id')) if not section_id or section.get('contentType') != 'video': continue entry = { '_type': 'url_transparent', 'url': '/'.join([url, chapter_id, section_id]), 'title': strip_or_none(section.get('title')), 'description': clean_html(section.get('summary')), 'thumbnail': metadata.get('coverImage'), 'timestamp': unified_timestamp(metadata.get('publicationDate')), 'ie_key': PacktPubIE.ie_key(), } entry.update(chapter_info) entries.append(entry) return self.playlist_result( entries, course_id, metadata.get('title'), clean_html(metadata.get('about')))