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[extractor] Add _perform_login function (#2943)

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* Adds new functions `_initialize_pre_login` and `_perform_login` as part of the extractor API
* Adds `ie.supports_login` to the public API
This commit is contained in:
pukkandan 2022-03-19 02:23:33 +05:30 • committed by GitHub
commit 52efa4b312
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68 changed files with 254 additions and 570 deletions
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11
yt_dlp/extractor/lynda.py
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@ -21,9 +21,6 @@ class LyndaBaseIE(InfoExtractor):
_ACCOUNT_CREDENTIALS_HINT = 'Use --username and --password options to provide lynda.com account credentials.'
_NETRC_MACHINE = 'lynda'
def _real_initialize(self):
self._login()
@staticmethod
def _check_error(json_string, key_or_keys):
keys = [key_or_keys] if isinstance(key_or_keys, compat_str) else key_or_keys
@ -32,7 +29,7 @@ class LyndaBaseIE(InfoExtractor):
if error:
raise ExtractorError('Unable to login: %s' % error, expected=True)
def _login_step(self, form_html, fallback_action_url, extra_form_data, note, referrer_url):
def _perform_login_step(self, form_html, fallback_action_url, extra_form_data, note, referrer_url):
action_url = self._search_regex(
r'<form[^>]+action=(["\'])(?P<url>.+?)\1', form_html,
'post url', default=fallback_action_url, group='url')
@ -55,11 +52,7 @@ class LyndaBaseIE(InfoExtractor):
return response, action_url
def _login(self):
username, password = self._get_login_info()
if username is None:
return
def _perform_login(self, username, password):
# Step 1: download signin page
signin_page = self._download_webpage(
self._SIGNIN_URL, None, 'Downloading signin page')