from __future__ import unicode_literals
import json
+import random
+import collections
from .common import InfoExtractor
from ..compat import (
compat_str,
compat_urllib_parse,
- compat_urllib_request,
compat_urlparse,
)
from ..utils import (
ExtractorError,
int_or_none,
parse_duration,
+ sanitized_Request,
)
-class PluralsightIE(InfoExtractor):
+class PluralsightBaseIE(InfoExtractor):
+ _API_BASE = 'http://app.pluralsight.com'
+
+
+class PluralsightIE(PluralsightBaseIE):
IE_NAME = 'pluralsight'
_VALID_URL = r'https?://(?:(?:www|app)\.)?pluralsight\.com/training/player\?'
_LOGIN_URL = 'https://app.pluralsight.com/id/'
+
_NETRC_MACHINE = 'pluralsight'
_TESTS = [{
if not post_url.startswith('http'):
post_url = compat_urlparse.urljoin(self._LOGIN_URL, post_url)
- request = compat_urllib_request.Request(
+ request = sanitized_Request(
post_url, compat_urllib_parse.urlencode(login_form).encode('utf-8'))
request.add_header('Content-Type', 'application/x-www-form-urlencoded')
if error:
raise ExtractorError('Unable to login: %s' % error, expected=True)
+ if all(p not in response for p in ('__INITIAL_STATE__', '"currentUser"')):
+ raise ExtractorError('Unable to log in')
+
def _real_extract(self, url):
qs = compat_urlparse.parse_qs(compat_urlparse.urlparse(url).query)
webpage = self._download_webpage(url, display_id)
- collection = self._parse_json(
- self._search_regex(
- r'moduleCollection\s*:\s*new\s+ModuleCollection\((\[.+?\])\s*,\s*\$rootScope\)',
- webpage, 'modules'),
- display_id)
+ modules = self._search_regex(
+ r'moduleCollection\s*:\s*new\s+ModuleCollection\((\[.+?\])\s*,\s*\$rootScope\)',
+ webpage, 'modules', default=None)
+
+ if modules:
+ collection = self._parse_json(modules, display_id)
+ else:
+ # Webpage may be served in different layout (see
+ # https://github.com/rg3/youtube-dl/issues/7607)
+ collection = self._parse_json(
+ self._search_regex(
+ r'var\s+initialState\s*=\s*({.+?});\n', webpage, 'initial state'),
+ display_id)['course']['modules']
module, clip = None, None
for module_ in collection:
- if module_.get('moduleName') == name:
+ if name in (module_.get('moduleName'), module_.get('name')):
module = module_
for clip_ in module_.get('clips', []):
clip_index = clip_.get('clipIndex')
+ if clip_index is None:
+ clip_index = clip_.get('index')
if clip_index is None:
continue
if compat_str(clip_index) == clip_id:
'high': {'width': 1024, 'height': 768},
}
+ AllowedQuality = collections.namedtuple('AllowedQuality', ['ext', 'qualities'])
+
ALLOWED_QUALITIES = (
- ('webm', ('high',)),
- ('mp4', ('low', 'medium', 'high',)),
+ AllowedQuality('webm', ('high',)),
+ AllowedQuality('mp4', ('low', 'medium', 'high',)),
)
+ # In order to minimize the number of calls to ViewClip API and reduce
+ # the probability of being throttled or banned by Pluralsight we will request
+ # only single format until formats listing was explicitly requested.
+ if self._downloader.params.get('listformats', False):
+ allowed_qualities = ALLOWED_QUALITIES
+ else:
+ def guess_allowed_qualities():
+ req_format = self._downloader.params.get('format') or 'best'
+ req_format_split = req_format.split('-')
+ if len(req_format_split) > 1:
+ req_ext, req_quality = req_format_split
+ for allowed_quality in ALLOWED_QUALITIES:
+ if req_ext == allowed_quality.ext and req_quality in allowed_quality.qualities:
+ return (AllowedQuality(req_ext, (req_quality, )), )
+ req_ext = 'webm' if self._downloader.params.get('prefer_free_formats') else 'mp4'
+ return (AllowedQuality(req_ext, ('high', )), )
+ allowed_qualities = guess_allowed_qualities()
+
formats = []
- for ext, qualities in ALLOWED_QUALITIES:
+ for ext, qualities in allowed_qualities:
for quality in qualities:
f = QUALITIES[quality].copy()
clip_post = {
'mt': ext,
'q': '%dx%d' % (f['width'], f['height']),
}
- request = compat_urllib_request.Request(
- 'http://app.pluralsight.com/training/Player/ViewClip',
+ request = sanitized_Request(
+ '%s/training/Player/ViewClip' % self._API_BASE,
json.dumps(clip_post).encode('utf-8'))
request.add_header('Content-Type', 'application/json;charset=utf-8')
format_id = '%s-%s' % (ext, quality)
clip_url = self._download_webpage(
request, display_id, 'Downloading %s URL' % format_id, fatal=False)
+
+ # Pluralsight tracks multiple sequential calls to ViewClip API and start
+ # to return 429 HTTP errors after some time (see
+ # https://github.com/rg3/youtube-dl/pull/6989). Moreover it may even lead
+ # to account ban (see https://github.com/rg3/youtube-dl/issues/6842).
+ # To somewhat reduce the probability of these consequences
+ # we will sleep random amount of time before each call to ViewClip.
+ self._sleep(
+ random.randint(2, 5), display_id,
+ '%(video_id)s: Waiting for %(timeout)s seconds to avoid throttling')
+
if not clip_url:
continue
f.update({
}
-class PluralsightCourseIE(InfoExtractor):
+class PluralsightCourseIE(PluralsightBaseIE):
IE_NAME = 'pluralsight:course'
_VALID_URL = r'https?://(?:(?:www|app)\.)?pluralsight\.com/(?:library/)?courses/(?P<id>[^/]+)'
_TESTS = [{
# TODO: PSM cookie
course = self._download_json(
- 'http://www.pluralsight.com/data/course/%s' % course_id,
+ '%s/data/course/%s' % (self._API_BASE, course_id),
course_id, 'Downloading course JSON')
title = course['title']
description = course.get('description') or course.get('shortDescription')
course_data = self._download_json(
- 'http://www.pluralsight.com/data/course/content/%s' % course_id,
+ '%s/data/course/content/%s' % (self._API_BASE, course_id),
course_id, 'Downloading course data JSON')
entries = []
if not player_parameters:
continue
entries.append(self.url_result(
- 'http://www.pluralsight.com/training/player?%s' % player_parameters,
+ '%s/training/player?%s' % (self._API_BASE, player_parameters),
'Pluralsight'))
return self.playlist_result(entries, course_id, title, description)
projects / youtube-dl / blobdiff