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

Code before:

        if not video_data:
            iframe_url = self._html_search_regex(
                r'<iframe[^>]+src=([\'"])(?P<url>[^\'"]+)\1',
                webpage, 'iframe URL', group='url')
            return {
                '_type': 'url_transparent',
                'url': iframe_url,
                'age_limit': age_limit,
            }

        title = remove_end(self._html_search_regex(
            r'<title>([^<]+)</title>', webpage, 'title'), ' | Iwara')

        thumbnail = self._html_search_regex(
            r'poster=[\'"]([^\'"]+)', webpage, 'thumbnail', default=None)

        uploader = self._html_search_regex(
            r'class="username">([^<]+)', webpage, 'uploader', fatal=False)

        upload_date = self._html_search_regex(
            r'作成日:([^\s]+)', webpage, 'upload_date', fatal=False).replace("-", "")

        description = self._search_regex(
            r'<p>(.+?(?=</div))', webpage, 'description', fatal=False,
            flags=re.DOTALL).strip()

        formats = []
        for a_format in video_data:
            format_uri = url_or_none(a_format.get('uri'))
            if not format_uri:
                continue
            format_id = a_format.get('resolution')
            height = int_or_none(self._search_regex(
                r'(\d+)p', format_id, 'height', default=None))
            formats.append({
                'url': self._proto_relative_url(format_uri, 'https:'),
                'format_id': format_id,
                'ext': mimetype2ext(a_format.get('mime')) or 'mp4',
                'height': height,
                'width': int_or_none(height / 9.0 * 16.0 if height else None),
                'quality': 1 if format_id == 'Source' else 0,
            })

        self._sort_formats(formats)

        return {
            'id': video_id,
            'title': title,
            'age_limit': age_limit,
            'formats': formats,

Review comment (refactor):
```suggestion
        description = strip_or_none(self._search_regex(
            r'<p>(.+?(?=</div))', webpage, 'description', fatal=False,
            flags=re.DOTALL))
```
(and add import from utils)
So it doesn't raise an error if no description is extracted.

Code after:

        video_data = self._download_json('http://www.iwara.tv/api/video/%s' % video_id, video_id)

        if not video_data:
            iframe_url = self._html_search_regex(
                r'<iframe[^>]+src=([\'"])(?P<url>[^\'"]+)\1',
                webpage, 'iframe URL', group='url')
            return {
                '_type': 'url_transparent',
                'url': iframe_url,
                'age_limit': age_limit,
            }

        title = remove_end(self._html_search_regex(
            r'<title>([^<]+)</title>', webpage, 'title'), ' | Iwara')

        thumbnail = self._html_search_regex(
            r'poster=[\'"]([^\'"]+)', webpage, 'thumbnail', default=None)

        uploader = self._html_search_regex(
            r'class="username">([^<]+)', webpage, 'uploader', fatal=False)

        upload_date = unified_strdate(self._html_search_regex(
            r'作成日:([^\s]+)', webpage, 'upload_date', fatal=False))

        description = strip_or_none(self._search_regex(
            r'<p>(.+?(?=</div))', webpage, 'description', fatal=False,
            flags=re.DOTALL))

        formats = []
        for a_format in video_data:
            format_uri = url_or_none(a_format.get('uri'))
            if not format_uri:
                continue
            format_id = a_format.get('resolution')
            height = int_or_none(self._search_regex(
                r'(\d+)p', format_id, 'height', default=None))
            formats.append({
                'url': self._proto_relative_url(format_uri, 'https:'),
                'format_id': format_id,
                'ext': mimetype2ext(a_format.get('mime')) or 'mp4',
                'height': height,
                'width': int_or_none(height / 9.0 * 16.0 if height else None),
                'quality': 1 if format_id == 'Source' else 0,
            })

        self._sort_formats(formats)

        return {
            'id': video_id,
            'title': title,