yt-dlc/youtube_dlc/extractor/scte.py

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2019-11-04 23:21:16 +01:00
from __future__ import unicode_literals
import re
from .common import InfoExtractor
from ..utils import (
decode_packed_codes,
ExtractorError,
urlencode_postdata,
)
class SCTEBaseIE(InfoExtractor):
_LOGIN_URL = 'https://www.scte.org/SCTE/Sign_In.aspx'
_NETRC_MACHINE = 'scte'
def _real_initialize(self):
self._login()
def _login(self):
username, password = self._get_login_info()
if username is None:
return
login_popup = self._download_webpage(
self._LOGIN_URL, None, 'Downloading login popup')
def is_logged(webpage):
return any(re.search(p, webpage) for p in (
r'class=["\']welcome\b', r'>Sign Out<'))
# already logged in
if is_logged(login_popup):
return
login_form = self._hidden_inputs(login_popup)
login_form.update({
'ctl01$TemplateBody$WebPartManager1$gwpciNewContactSignInCommon$ciNewContactSignInCommon$signInUserName': username,
'ctl01$TemplateBody$WebPartManager1$gwpciNewContactSignInCommon$ciNewContactSignInCommon$signInPassword': password,
'ctl01$TemplateBody$WebPartManager1$gwpciNewContactSignInCommon$ciNewContactSignInCommon$RememberMe': 'on',
})
response = self._download_webpage(
self._LOGIN_URL, None, 'Logging in',
data=urlencode_postdata(login_form))
if '|pageRedirect|' not in response and not is_logged(response):
error = self._html_search_regex(
r'(?s)<[^>]+class=["\']AsiError["\'][^>]*>(.+?)</',
response, 'error message', default=None)
if error:
raise ExtractorError('Unable to login: %s' % error, expected=True)
raise ExtractorError('Unable to log in')
class SCTEIE(SCTEBaseIE):
_VALID_URL = r'https?://learning\.scte\.org/mod/scorm/view\.php?.*?\bid=(?P<id>\d+)'
_TESTS = [{
'url': 'https://learning.scte.org/mod/scorm/view.php?id=31484',
'info_dict': {
'title': 'Introduction to DOCSIS Engineering Professional',
'id': '31484',
},
'playlist_count': 5,
'skip': 'Requires account credentials',
}]
def _real_extract(self, url):
video_id = self._match_id(url)
webpage = self._download_webpage(url, video_id)
title = self._search_regex(r'<h1>(.+?)</h1>', webpage, 'title')
context_id = self._search_regex(r'context-(\d+)', webpage, video_id)
content_base = 'https://learning.scte.org/pluginfile.php/%s/mod_scorm/content/8/' % context_id
context = decode_packed_codes(self._download_webpage(
'%smobile/data.js' % content_base, video_id))
data = self._parse_xml(
self._search_regex(
r'CreateData\(\s*"(.+?)"', context, 'data').replace(r"\'", "'"),
video_id)
entries = []
for asset in data.findall('.//asset'):
asset_url = asset.get('url')
if not asset_url or not asset_url.endswith('.mp4'):
continue
asset_id = self._search_regex(
r'video_([^_]+)_', asset_url, 'asset id', default=None)
if not asset_id:
continue
entries.append({
'id': asset_id,
'title': title,
'url': content_base + asset_url,
})
return self.playlist_result(entries, video_id, title)
class SCTECourseIE(SCTEBaseIE):
_VALID_URL = r'https?://learning\.scte\.org/(?:mod/sub)?course/view\.php?.*?\bid=(?P<id>\d+)'
_TESTS = [{
'url': 'https://learning.scte.org/mod/subcourse/view.php?id=31491',
'only_matching': True,
}, {
'url': 'https://learning.scte.org/course/view.php?id=3639',
'only_matching': True,
}, {
'url': 'https://learning.scte.org/course/view.php?id=3073',
'only_matching': True,
}]
def _real_extract(self, url):
course_id = self._match_id(url)
webpage = self._download_webpage(url, course_id)
title = self._search_regex(
r'<h1>(.+?)</h1>', webpage, 'title', default=None)
entries = []
for mobj in re.finditer(
r'''(?x)
<a[^>]+
href=(["\'])
(?P<url>
https?://learning\.scte\.org/mod/
(?P<kind>scorm|subcourse)/view\.php?(?:(?!\1).)*?
\bid=\d+
)
''',
webpage):
item_url = mobj.group('url')
if item_url == url:
continue
ie = (SCTEIE.ie_key() if mobj.group('kind') == 'scorm'
else SCTECourseIE.ie_key())
entries.append(self.url_result(item_url, ie=ie))
return self.playlist_result(entries, course_id, title)