# encoding: utf-8 from __future__ import unicode_literals import re from .common import InfoExtractor from .brightcove import BrightcoveIE from ..compat import ( compat_urllib_parse, compat_urllib_request, ) from ..utils import ( ExtractorError, smuggle_url, std_headers, ) class SafariBaseIE(InfoExtractor): _LOGIN_URL = 'https://www.safaribooksonline.com/accounts/login/' _SUCCESSFUL_LOGIN_REGEX = r'<a href="/accounts/logout/"[^>]*>Sign Out</a>' _ACCOUNT_CREDENTIALS_HINT = 'Use --username and --password options to supply credentials for safaribooksonline.com' _NETRC_MACHINE = 'safari' _API_BASE = 'https://www.safaribooksonline.com/api/v1/book' _API_FORMAT = 'json' LOGGED_IN = False def _real_initialize(self): # We only need to log in once for courses or individual videos if not self.LOGGED_IN: self._login() SafariBaseIE.LOGGED_IN = True def _login(self): (username, password) = self._get_login_info() if username is None: raise ExtractorError( self._ACCOUNT_CREDENTIALS_HINT, expected=True) headers = std_headers if 'Referer' not in headers: headers['Referer'] = self._LOGIN_URL login_page = self._download_webpage( self._LOGIN_URL, None, 'Downloading login form') csrf = self._html_search_regex( r"name='csrfmiddlewaretoken'\s+value='([^']+)'", login_page, 'csrf token') login_form = { 'csrfmiddlewaretoken': csrf, 'email': username, 'password1': password, 'login': 'Sign In', 'next': '', } request = compat_urllib_request.Request( self._LOGIN_URL, compat_urllib_parse.urlencode(login_form), headers=headers) login_page = self._download_webpage( request, None, 'Logging in as %s' % username) if re.search(self._SUCCESSFUL_LOGIN_REGEX, login_page) is None: raise ExtractorError( 'Login failed; make sure your credentials are correct and try again.', expected=True) self.to_screen('Login successful') class SafariIE(SafariBaseIE): IE_NAME = 'safari' IE_DESC = 'safaribooksonline.com online video' _VALID_URL = r'''(?x)https?:// (?:www\.)?safaribooksonline\.com/ (?: library/view/[^/]+| api/v1/book )/ (?P<course_id>\d+)/ (?:chapter(?:-content)?/)? (?P<part>part\d+)\.html ''' _TESTS = [{ 'url': 'https://www.safaribooksonline.com/library/view/hadoop-fundamentals-livelessons/9780133392838/part00.html', 'md5': '5b0c4cc1b3c1ba15dda7344085aa5592', 'info_dict': { 'id': '2842601850001', 'ext': 'mp4', 'title': 'Introduction', }, 'skip': 'Requires safaribooksonline account credentials', }, { 'url': 'https://www.safaribooksonline.com/api/v1/book/9780133392838/chapter/part00.html', 'only_matching': True, }] def _real_extract(self, url): mobj = re.match(self._VALID_URL, url) course_id = mobj.group('course_id') part = mobj.group('part') webpage = self._download_webpage( '%s/%s/chapter-content/%s.html' % (self._API_BASE, course_id, part), part) bc_url = BrightcoveIE._extract_brightcove_url(webpage) if not bc_url: raise ExtractorError('Could not extract Brightcove URL from %s' % url, expected=True) return self.url_result(smuggle_url(bc_url, {'Referer': url}), 'Brightcove') class SafariCourseIE(SafariBaseIE): IE_NAME = 'safari:course' IE_DESC = 'safaribooksonline.com online courses' _VALID_URL = r'https?://(?:www\.)?safaribooksonline\.com/(?:library/view/[^/]+|api/v1/book)/(?P<id>\d+)/?(?:[#?]|$)' _TESTS = [{ 'url': 'https://www.safaribooksonline.com/library/view/hadoop-fundamentals-livelessons/9780133392838/', 'info_dict': { 'id': '9780133392838', 'title': 'Hadoop Fundamentals LiveLessons', }, 'playlist_count': 22, 'skip': 'Requires safaribooksonline account credentials', }, { 'url': 'https://www.safaribooksonline.com/api/v1/book/9781449396459/?override_format=json', 'only_matching': True, }] def _real_extract(self, url): course_id = self._match_id(url) course_json = self._download_json( '%s/%s/?override_format=%s' % (self._API_BASE, course_id, self._API_FORMAT), course_id, 'Downloading course JSON') if 'chapters' not in course_json: raise ExtractorError( 'No chapters found for course %s' % course_id, expected=True) entries = [ self.url_result(chapter, 'Safari') for chapter in course_json['chapters']] course_title = course_json['title'] return self.playlist_result(entries, course_id, course_title)