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[youtube:tab] Capture and output alerts (closes #27340)
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@ -3060,6 +3060,24 @@ class YoutubeTabIE(YoutubeBaseInfoExtractor):
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try_get(owner, lambda x: x['navigationEndpoint']['browseEndpoint']['canonicalBaseUrl'], compat_str))
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return uploader
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@staticmethod
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def _extract_alert(data):
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alerts = []
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for alert in try_get(data, lambda x: x['alerts'], list) or []:
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if not isinstance(alert, dict):
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continue
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alert_text = try_get(
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alert, lambda x: x['alertRenderer']['text'], dict)
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if not alert_text:
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continue
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text = try_get(
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alert_text,
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(lambda x: x['simpleText'], lambda x: x['runs'][0]['text']),
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compat_str)
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if text:
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alerts.append(text)
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return '\n'.join(alerts)
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def _extract_from_tabs(self, item_id, webpage, data, tabs, identity_token):
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selected_tab = self._extract_selected_tab(tabs)
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renderer = try_get(
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@ -3127,6 +3145,10 @@ class YoutubeTabIE(YoutubeBaseInfoExtractor):
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compat_str) or video_id
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if video_id:
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return self.url_result(video_id, ie=YoutubeIE.ie_key(), video_id=video_id)
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# Capture and output alerts
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alert = self._extract_alert(data)
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if alert:
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raise ExtractorError(alert, expected=True)
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# Failed to recognize
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raise ExtractorError('Unable to recognize tab page')
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