Repository: yt-dlp/yt-dlp
File: yt_dlp/extractor/theguardian.py (Python)

Code before:
            'ext': 'mp3',
            'title': 'The Covid inquiry | Politics Weekly UK - podcast',
            'description': 'The Guardian’s Gaby Hinsliff talks to political editor Pippa Crerar about what we have learned from the Covid inquiry. And our political correspondent Kiran Stacey tells us how significant the government’s first artificial intelligence summit will be',
            'creator': 'Gaby Hinsliff',
            'thumbnail': 'md5:28932a7b5a25b057be330d2ed70ea7f3',
            'release_date': '20231102'
        }
    }]

    def _real_extract(self, url):
        video_id = self._match_id(url)
        webpage = self._download_webpage(url, video_id)
        return {
            'id': video_id,
            'title': self._og_search_title(webpage) or get_element_by_class('content__headline', webpage),
            'description': self._og_search_description(webpage),
            'creator': self._html_search_meta('author', webpage),
            'thumbnail': self._og_search_thumbnail(webpage),
            'release_date': unified_strdate(self._html_search_meta('article:published_time', webpage)),
            'url': extract_attributes(get_element_html_by_class(
                'podcast__player', webpage) or '').get('data-source'),
        }


class TheGuardianPodcastPlaylistIE(InfoExtractor):
    _VALID_URL = r'https?://(?:www\.)?theguardian\.com/\w+/series/(?P<id>[\w-]+)/?(?:$|[?#])'
    _PAGE_SIZE = 20
    _TESTS = [{
        'url': 'https://www.theguardian.com/football/series/theguardianswomensfootballweekly',
        'info_dict': {
            'id': 'theguardianswomensfootballweekly',
            'title': "The Guardian's Women's Football Weekly | Football | The Guardian",
            'description': 'md5:e2cc021311e582d29935a73614a43f51'
        },
        'playlist_mincount': 69
    }, {
        'url': 'https://www.theguardian.com/news/series/todayinfocus',
        'info_dict': {
            'id': 'todayinfocus',
            'title': 'Today in Focus | News | The Guardian',
            'description': 'md5:0f097764fc0d359e0b6eb537be0387e2'
        },
        'playlist_mincount': 37
    }, {
        'url': 'https://www.theguardian.com/news/series/the-audio-long-read',
        'info_dict': {
            'id': 'the-audio-long-read',
            'title': 'The Audio Long Read | News | The Guardian',
            'description': 'md5:5462994a27527309562b25b6defc4ef3'
        },
        'playlist_mincount': 1008

Review comment (refactor):
See my comment above about `TheGuardianPodcastIE._VALID_URL`. The playlist extractor and the podcast extractor do not share a common URL path, so this seems unnecessary.

```suggestion
    _VALID_URL = r'https?://(?:www\.)?theguardian\.com/\w+/series/(?P<id>[\w-]+)'
```

Code after:
            'id': 'the-covid-inquiry-politics-weekly-uk-podcast',
            'ext': 'mp3',
            'title': 'The Covid inquiry | Politics Weekly UK - podcast',
            'description': 'md5:207c98859c14903582b17d25b014046e',
            'creator': 'Gaby Hinsliff',
            'thumbnail': 'md5:28932a7b5a25b057be330d2ed70ea7f3',
            'release_date': '20231102'
        }
    }]

    def _real_extract(self, url):
        video_id = self._match_id(url)
        webpage = self._download_webpage(url, video_id)
        return {
            'id': video_id,
            'title': self._og_search_title(webpage) or get_element_by_class('content__headline', webpage),
            'description': self._og_search_description(webpage),
            'creator': self._html_search_meta('author', webpage),
            'thumbnail': self._og_search_thumbnail(webpage),
            'release_date': unified_strdate(self._html_search_meta('article:published_time', webpage)),
            'url': extract_attributes(get_element_html_by_class(
                'podcast__player', webpage) or '').get('data-source'),
        }


class TheGuardianPodcastPlaylistIE(InfoExtractor):
    _VALID_URL = r'https?://(?:www\.)?theguardian\.com/\w+/series/(?P<id>[\w-]+)(?:\?page=\d+)?'
    _TESTS = [{
        'url': 'https://www.theguardian.com/football/series/theguardianswomensfootballweekly',
        'info_dict': {
            'id': 'theguardianswomensfootballweekly',
            'title': "The Guardian's Women's Football Weekly",
            'description': 'md5:e2cc021311e582d29935a73614a43f51'
        },
        'playlist_mincount': 69
    }, {
        'url': 'https://www.theguardian.com/news/series/todayinfocus?page=2',
        'info_dict': {
            'id': 'todayinfocus',
            'title': 'Today in Focus',
            'description': 'md5:0f097764fc0d359e0b6eb537be0387e2'
        },
        'playlist_mincount': 1261
    }, {
        'url': 'https://www.theguardian.com/news/series/the-audio-long-read',
        'info_dict': {
            'id': 'the-audio-long-read',
            'title': 'The Audio Long Read',
            'description': 'md5:5462994a27527309562b25b6defc4ef3'
        },
        'playlist_mincount': 996