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

Code before:
import re
import time
import urllib.parse

from .common import InfoExtractor
from ..utils import ExtractorError, int_or_none, url_or_none, urlencode_postdata
from ..utils.traversal import traverse_obj


class GetCourseRuPlayerIE(InfoExtractor):
    _VALID_URL = r'https?://(player02\.getcourse\.ru|cf-api-2\.vhcdn\.com)/sign-player/?\?(?:[^#]+&)?json=[^#&]+'
    _EMBED_REGEX = [rf'<iframe[^>]+\bsrc=[\'"](?P<url>{_VALID_URL}[^\'"]*)']
    _TESTS = [{
        'url': 'http://player02.getcourse.ru/sign-player/?json=eyJ2aWRlb19oYXNoIjoiMTkwYmRmOTNmMWIyOTczNTMwOTg1M2E3YTE5ZTI0YjMiLCJ1c2VyX2lkIjozNTk1MjUxODMsInN1Yl9sb2dpbl91c2VyX2lkIjpudWxsLCJsZXNzb25faWQiOm51bGwsImlwIjoiNDYuMTQyLjE4Mi4yNDciLCJnY19ob3N0IjoiYWNhZGVteW1lbC5vbmxpbmUiLCJ0aW1lIjoxNzA1NDQ5NjQyLCJwYXlsb2FkIjoidV8zNTk1MjUxODMiLCJ1aV9sYW5ndWFnZSI6InJ1IiwiaXNfaGF2ZV9jdXN0b21fc3R5bGUiOnRydWV9&s=354ad2c993d95d5ac629e3133d6cefea&vh-static-feature=zigzag',
        'info_dict': {
            'id': '513573381',
            'title': '190bdf93f1b29735309853a7a19e24b3',
            'ext': 'mp4',
            'thumbnail': 'https://preview-htz.kinescopecdn.net/preview/190bdf93f1b29735309853a7a19e24b3/preview.jpg?version=1702370546&host=vh-80',
            'duration': 1693,
        },
        'skip': 'JWT expired',
    }, {
        'url': 'https://cf-api-2.vhcdn.com/sign-player/?json=eyJ2aWRlb19oYXNoIjoiOGFmZDdjNDg5OTUyMTA4ZTAwZjAxOTU5MGYzNzExZjMiLCJ1c2VyX2lkIjo0MjI3MDg4MDMsInN1Yl9sb2dpbl91c2VyX2lkIjpudWxsLCJsZXNzb25faWQiOjM0MjA5NTQ5OSwiaXAiOiIxNzguMjM3LjIzOC4xMjciLCJnY19ob3N0Ijoic2Nob29sLm9sbmV2YWRlY29yLmNvbSIsInRpbWUiOjE3NDUwMTMyNDAsInBheWxvYWQiOiJ1XzQyMjcwODgwMyIsInVpX2xhbmd1YWdlIjoicnUifQ==&s=69ef351e301fa4286d5699c897c4f02b',
        'info_dict': {
            'id': '435735291',
            'title': '8afd7c489952108e00f019590f3711f3',
            'ext': 'mp4',
            'thumbnail': 'https://preview-htz.vhcdn.com/preview/8afd7c489952108e00f019590f3711f3/preview.jpg?version=1682170973&host=vh-72',
            'duration': 777,
        },
        'skip': 'JWT expired',
    }]

    def _real_extract(self, url):
        webpage = self._download_webpage(url, None, 'Downloading player page')

Review comment (suggestion):
this needs to be non-capturing
```suggestion
    _VALID_URL = r'https?://(?:player02\.getcourse\.ru|cf-api-2\.vhcdn\.com)/sign-player/?\?(?:[^#]+&)?json=[^#&]+'
```

Code after:
import re
import time
import urllib.parse

from .common import InfoExtractor
from ..utils import ExtractorError, int_or_none, url_or_none, urlencode_postdata
from ..utils.traversal import traverse_obj


class GetCourseRuPlayerIE(InfoExtractor):
    _VALID_URL = r'https?://(?:player02\.getcourse\.ru|cf-api-2\.vhcdn\.com)/sign-player/?\?(?:[^#]+&)?json=[^#&]+'
    _EMBED_REGEX = [rf'<iframe[^>]+\bsrc=[\'"](?P<url>{_VALID_URL}[^\'"]*)']
    _TESTS = [{
        'url': 'http://player02.getcourse.ru/sign-player/?json=eyJ2aWRlb19oYXNoIjoiMTkwYmRmOTNmMWIyOTczNTMwOTg1M2E3YTE5ZTI0YjMiLCJ1c2VyX2lkIjozNTk1MjUxODMsInN1Yl9sb2dpbl91c2VyX2lkIjpudWxsLCJsZXNzb25faWQiOm51bGwsImlwIjoiNDYuMTQyLjE4Mi4yNDciLCJnY19ob3N0IjoiYWNhZGVteW1lbC5vbmxpbmUiLCJ0aW1lIjoxNzA1NDQ5NjQyLCJwYXlsb2FkIjoidV8zNTk1MjUxODMiLCJ1aV9sYW5ndWFnZSI6InJ1IiwiaXNfaGF2ZV9jdXN0b21fc3R5bGUiOnRydWV9&s=354ad2c993d95d5ac629e3133d6cefea&vh-static-feature=zigzag',
        'info_dict': {
            'id': '513573381',
            'title': '190bdf93f1b29735309853a7a19e24b3',
            'ext': 'mp4',
            'thumbnail': 'https://preview-htz.kinescopecdn.net/preview/190bdf93f1b29735309853a7a19e24b3/preview.jpg?version=1702370546&host=vh-80',
            'duration': 1693,
        },
        'skip': 'JWT expired',
    }, {
        'url': 'https://cf-api-2.vhcdn.com/sign-player/?json=example',
        'info_dict': {
            'id': '435735291',
            'title': '8afd7c489952108e00f019590f3711f3',
            'ext': 'mp4',
            'thumbnail': 'https://preview-htz.vhcdn.com/preview/8afd7c489952108e00f019590f3711f3/preview.jpg?version=1682170973&host=vh-72',
            'duration': 777,
        },
        'skip': 'JWT expired',
    }]

    def _real_extract(self, url):
        webpage = self._download_webpage(url, None, 'Downloading player page')