[extractor] Add _perform_login function (#2943)
* Adds new functions `_initialize_pre_login` and `_perform_login` as part of the extractor API * Adds `ie.supports_login` to the public API
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68 changed files with 254 additions and 570 deletions
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@ -247,11 +247,7 @@ class TumblrIE(InfoExtractor):
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_ACCESS_TOKEN = None
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def _real_initialize(self):
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self.get_access_token()
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self._login()
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def get_access_token(self):
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def _initialize_pre_login(self):
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login_page = self._download_webpage(
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self._LOGIN_URL, None, 'Downloading login page', fatal=False)
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if login_page:
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@ -260,11 +256,7 @@ class TumblrIE(InfoExtractor):
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if not self._ACCESS_TOKEN:
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self.report_warning('Failed to get access token; metadata will be missing and some videos may not work')
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def _login(self):
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username, password = self._get_login_info()
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if not username:
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return
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def _perform_login(self, username, password):
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if not self._ACCESS_TOKEN:
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return
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