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@ -25,6 +25,12 @@ class ArchiveOrgIE(InfoExtractor):
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}
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}
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def get_optional_metadata(self, data, field):
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try:
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return data['metadata'][field][0]
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except KeyError:
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return None
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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video_id = mobj.group('id')
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@ -33,10 +39,12 @@ class ArchiveOrgIE(InfoExtractor):
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json_data = self._download_webpage(json_url, video_id)
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data = json.loads(json_data)
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title = data['metadata']['title'][0]
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description = data['metadata']['description'][0]
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uploader = data['metadata']['creator'][0]
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upload_date = unified_strdate(data['metadata']['date'][0])
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title = self.get_optional_metadata(data, 'title')
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description = self.get_optional_metadata(data, 'description')
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uploader = self.get_optional_metadata(data, 'creator')
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upload_date = self.get_optional_metadata(data, 'date')
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if upload_date:
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upload_date = unified_strdate(upload_date)
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formats = [
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{
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