mirror of
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144 lines
4.7 KiB
Python
144 lines
4.7 KiB
Python
# encoding: utf-8
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from __future__ import unicode_literals
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import re
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import json
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from .common import InfoExtractor
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from .brightcove import BrightcoveIE
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from ..compat import (
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compat_urllib_parse,
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compat_urllib_request,
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)
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from ..utils import (
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ExtractorError,
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smuggle_url,
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std_headers,
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)
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class SafariBaseIE(InfoExtractor):
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_LOGIN_URL = 'https://www.safaribooksonline.com/accounts/login/'
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_SUCCESSFUL_LOGIN_REGEX = r'<a href="/accounts/logout/"[^>]+>Sign Out</a>'
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_ACCOUNT_CREDENTIALS_HINT = ('Use --username and --password options to '
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'supply credentials for safaribooksonline.com ')
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_NETRC_MACHINE = 'safaribooksonline'
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LOGGED_IN = False
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def _real_initialize(self):
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# We only need to log in once for courses or individual videos
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if not SafariBaseIE.LOGGED_IN:
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self._login()
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SafariBaseIE.LOGGED_IN = True
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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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raise ExtractorError(
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self._ACCOUNT_CREDENTIALS_HINT,
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expected=True)
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headers = std_headers
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if 'Referer' not in headers:
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headers['Referer'] = self._LOGIN_URL
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login_page = self._download_webpage(
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self._LOGIN_URL, None,
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'Downloading login form')
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csrf = self._html_search_regex(
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r"<input +type='hidden' +name='csrfmiddlewaretoken' +value='([^']+)' +/>",
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login_page, 'csrf token')
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login_form = {
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'csrfmiddlewaretoken': csrf,
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'email': username,
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'password1': password,
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'login': 'Sign In',
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'next': '',
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}
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request = compat_urllib_request.Request(
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self._LOGIN_URL, compat_urllib_parse.urlencode(login_form), headers=headers)
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login_page = self._download_webpage(
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request, None, 'Logging in as %s' % username)
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if re.search(self._SUCCESSFUL_LOGIN_REGEX, login_page) is None:
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raise ExtractorError('Login failed; make sure your credentials are correct and '
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'try again.', expected=True)
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self.to_screen('Login successful')
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class SafariIE(SafariBaseIE):
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IE_NAME = 'safari'
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IE_DESC = 'safaribooksonline.com online video'
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_VALID_URL = (r'https?://(?:www\.)?safaribooksonline\.com/library/view/[^/]+/'
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'(?P<id>\d+)/(?P<part>part\d+)\.html')
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_TEST = {
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'url': ('https://www.safaribooksonline.com/library/view/'
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'hadoop-fundamentals-livelessons/9780133392838/part00.html'),
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'md5': '5b0c4cc1b3c1ba15dda7344085aa5592',
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'info_dict': {
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'id': '9780133392838',
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'ext': 'mp4',
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'title': 'Introduction',
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}
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}
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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part = mobj.group('part')
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webpage = self._download_webpage(url, part)
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bc_url = BrightcoveIE._extract_brightcove_url(webpage)
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if not bc_url:
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raise ExtractorError('Could not extract Brightcove URL from %s' % url, expected=True)
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return {
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'_type': 'url',
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'url': smuggle_url(bc_url, {'Referer': url}),
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'ie_key': 'Brightcove'
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}
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class SafariCourseIE(SafariBaseIE):
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IE_NAME = 'safari:course'
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IE_DESC = 'safaribooksonline.com online courses'
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_VALID_URL = (r'https?://(?:www\.)?safaribooksonline\.com/library/view/'
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'(?P<course_path>[^/]+)/(?P<id>\d+)/?$')
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_API_BASE = 'https://www.safaribooksonline.com/api/v1/book'
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_API_FORMAT = 'json'
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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course_path = mobj.group('course_path')
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course_id = mobj.group('id')
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webpage = self._download_webpage(
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'%s/%s/?override_format=%s' % (self._API_BASE, course_id, self._API_FORMAT),
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course_path, 'Downloading course JSON')
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course_json = json.loads(webpage)
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if 'chapters' not in course_json:
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raise ExtractorError('No chapters found for course %s' % course_id, expected=True)
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num_parts = len(course_json['chapters'])
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parts = ['%02d' % part for part in range(num_parts)]
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entries = [
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self.url_result(
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'https://www.safaribooksonline.com/library/view/%s/%s/part%s.html' % (course_path,
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course_id,
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part_id),
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'Safari')
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for part_id in parts]
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course_title = course_json['title']
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return self.playlist_result(entries, course_id, course_title)
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