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[udemy] Detect non free courses (Closes #8138)

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This commit is contained in:
Sergey M․ 2016-01-06 00:02:21 +06:00
parent 40f796288a
commit 17b2d7ca77
1 changed files with 15 additions and 10 deletions
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25
youtube_dl/extractor/udemy.py
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@ -11,6 +11,7 @@ from ..utils import (
float_or_none, float_or_none,
int_or_none, int_or_none,
sanitized_Request, sanitized_Request,
unescapeHTML,
) )
@ -19,8 +20,6 @@ class UdemyIE(InfoExtractor):
_VALID_URL = r'https?://www\.udemy\.com/(?:[^#]+#/lecture/|lecture/view/?\?lectureId=)(?P<id>\d+)' _VALID_URL = r'https?://www\.udemy\.com/(?:[^#]+#/lecture/|lecture/view/?\?lectureId=)(?P<id>\d+)'
_LOGIN_URL = 'https://www.udemy.com/join/login-popup/?displayType=ajax&showSkipButton=1' _LOGIN_URL = 'https://www.udemy.com/join/login-popup/?displayType=ajax&showSkipButton=1'
_ORIGIN_URL = 'https://www.udemy.com' _ORIGIN_URL = 'https://www.udemy.com'
_SUCCESSFULLY_ENROLLED = '>You have enrolled in this course!<'
_ALREADY_ENROLLED = '>You are already taking this course.<'
_NETRC_MACHINE = 'udemy' _NETRC_MACHINE = 'udemy'
_TESTS = [{ _TESTS = [{
@ -37,15 +36,21 @@ class UdemyIE(InfoExtractor):
}] }]
def _enroll_course(self, webpage, course_id): def _enroll_course(self, webpage, course_id):
enroll_url = self._search_regex( checkout_url = unescapeHTML(self._search_regex(
r'href=(["\'])(?P<url>https?://(?:www\.)?udemy\.com/payment/checkout/.+?)\1',
webpage, 'checkout url', group='url', default=None))
if checkout_url:
raise ExtractorError(
'Course %s is not free. You have to pay for it before you can download.'
'Use this URL to confirm purchase: %s' % (course_id, checkout_url), expected=True)
enroll_url = unescapeHTML(self._search_regex(
r'href=(["\'])(?P<url>https?://(?:www\.)?udemy\.com/course/subscribe/.+?)\1', r'href=(["\'])(?P<url>https?://(?:www\.)?udemy\.com/course/subscribe/.+?)\1',
webpage, 'enroll url', group='url', webpage, 'enroll url', group='url', default=None))
default='https://www.udemy.com/course/subscribe/?courseId=%s' % course_id) if enroll_url:
webpage = self._download_webpage(enroll_url, course_id, 'Enrolling in the course') webpage = self._download_webpage(enroll_url, course_id, 'Enrolling in the course')
if self._SUCCESSFULLY_ENROLLED in webpage: if '>You have enrolled in' in webpage:
self.to_screen('%s: Successfully enrolled in' % course_id) self.to_screen('%s: Successfully enrolled in the course' % course_id)
elif self._ALREADY_ENROLLED in webpage:
self.to_screen('%s: Already enrolled in' % course_id)
def _download_lecture(self, course_id, lecture_id): def _download_lecture(self, course_id, lecture_id):
return self._download_json( return self._download_json(