When query youtube playlist, no title is returned

[quekky]

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• I've verified and I assure that I'm running youtube-dl 2018.04.25

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• At least skimmed through the README, most notably the FAQ and BUGS sections
• Searched the bugtracker for similar issues including closed ones
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What is the purpose of your issue?

• Bug report (encountered problems with youtube-dl)
• Site support request (request for adding support for a new site)
• Feature request (request for a new functionality)
• Question
• Other

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The following sections concretize particular purposed issues, you can erase any section (the contents between triple ---) not applicable to your issue

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If the purpose of this issue is a bug report, site support request or you are not completely sure provide the full verbose output as follows:

Add the -v flag to your command line you run youtube-dl with (youtube-dl -v <your command line>), copy the whole output and insert it here. It should look similar to one below (replace it with your log inserted between triple ```):

# youtube-dl.exe -v -j --flat-playlist https://www.youtube.com/user/CNETTV/playlists
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['-v', '-j', '--flat-playlist', 'https://www.youtube.com/user/CNETTV/playlists']
[debug] Encodings: locale cp1252, fs mbcs, out cp437, pref cp1252
[debug] youtube-dl version 2018.04.25
[debug] Python version 3.4.4 (CPython) - Windows-10-10.0.16299
[debug] exe versions: none
[debug] Proxy map: {}
{"ie_key": "YoutubePlaylist", "url": "https://www.youtube.com/playlist?list=LLOmcA3f_RrH6b9NmcNa4tdg", "_type": "url"}
{"ie_key": "YoutubePlaylist", "url": "https://www.youtube.com/playlist?list=PLAl4aZK3mRv2uEJBT-g9ZQ_FaHlqZ31km", "_type": "url"}
{"ie_key": "YoutubePlaylist", "url": "https://www.youtube.com/playlist?list=PLAl4aZK3mRv3GTTtuDv65IgCTaMRRGAJy", "_type": "url"}
{"ie_key": "YoutubePlaylist", "url": "https://www.youtube.com/playlist?list=PLAl4aZK3mRv2QGpN0f8rHN0IarEoSScoj", "_type": "url"}
{"ie_key": "YoutubePlaylist", "url": "https://www.youtube.com/playlist?list=PLAl4aZK3mRv3htKwUwGGC5I_npw1IHh5K", "_type": "url"}
{"ie_key": "YoutubePlaylist", "url": "https://www.youtube.com/playlist?list=PLAl4aZK3mRv3vtryjYuuGNFAk0A8IuWO6", "_type": "url"}
{"ie_key": "YoutubePlaylist", "url": "https://www.youtube.com/playlist?list=PLAl4aZK3mRv2WMwsuJOmW0rrNqtj7_ipK", "_type": "url"}
{"ie_key": "YoutubePlaylist", "url": "https://www.youtube.com/playlist?list=PLAl4aZK3mRv3wnjBRP3nXj05uTgeD5OXD", "_type": "url"}
{"ie_key": "YoutubePlaylist", "url": "https://www.youtube.com/playlist?list=PLAl4aZK3mRv1ErwrGUZpHKCY-RM25yLqz", "_type": "url"}
{"ie_key": "YoutubePlaylist", "url": "https://www.youtube.com/playlist?list=PLAl4aZK3mRv2BWtTpy-hLZn4Pd3IPjGPI", "_type": "url"}

<end of log>

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If the purpose of this issue is a site support request please provide all kinds of example URLs support for which should be included (replace following example URLs by yours):

• Single video: https://www.youtube.com/watch?v=BaW_jenozKc
• Single video: https://youtu.be/BaW_jenozKc
• Playlist: https://www.youtube.com/playlist?list=PL4lCao7KL_QFVb7Iudeipvc2BCavECqzc

Note that youtube-dl does not support sites dedicated to copyright infringement. In order for site support request to be accepted all provided example URLs should not violate any copyrights.

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Description of your issue, suggested solution and other information

Run the youtube-dl on a playlists to get a list of playlist (eg https://www.youtube.com/user/CNETTV/playlists ) it returns a list of playlist but there is no title returned on the playlist.

Expected result is to also print the titles of the playlist

Changing the following code will allow it to return the title

class YoutubePlaylistsBaseInfoExtractor(YoutubeEntryListBaseInfoExtractor):
    def _process_page(self, content):
        for playlist_id, video_title in orderedSet(re.findall(
                r'<h3[^>]+class="[^"]*yt-lockup-title[^"]*"[^>]*><a[^>]+href="/?playlist\?list=([0-9A-Za-z-_]{10,})"(?:[^>]+>(?P<title>[^<]+))?',
                content)):
            video_title = unescapeHTML(video_title)
            if video_title:
                video_title = video_title.strip()
            yield self.url_result(
                'https://www.youtube.com/playlist?list=%s' % playlist_id, 'YoutubePlaylist', video_title=video_title)

Expected result:

youtube-dl.exe -j --flat-playlist https://www.youtube.com/user/CNETTV/playlists
{"_type": "url", "url": "https://www.youtube.com/playlist?list=LLOmcA3f_RrH6b9NmcNa4tdg", "ie_key": "YoutubePlaylist", "title": "Liked videos"}
{"_type": "url", "url": "https://www.youtube.com/playlist?list=PLAl4aZK3mRv2uEJBT-g9ZQ_FaHlqZ31km", "ie_key": "YoutubePlaylist", "title": "So Retro"}
{"_type": "url", "url": "https://www.youtube.com/playlist?list=PLAl4aZK3mRv3GTTtuDv65IgCTaMRRGAJy", "ie_key": "YoutubePlaylist", "title": "Most popular videos this week"}
{"_type": "url", "url": "https://www.youtube.com/playlist?list=PLAl4aZK3mRv2QGpN0f8rHN0IarEoSScoj", "ie_key": "YoutubePlaylist", "title": "Quick Questions with Jeff Bakalar"}
{"_type": "url", "url": "https://www.youtube.com/playlist?list=PLAl4aZK3mRv3htKwUwGGC5I_npw1IHh5K", "ie_key": "YoutubePlaylist", "title": "CNET Book Club"}
{"_type": "url", "url": "https://www.youtube.com/playlist?list=PLAl4aZK3mRv3vtryjYuuGNFAk0A8IuWO6", "ie_key": "YoutubePlaylist", "title": "CNET Versus"}
{"_type": "url", "url": "https://www.youtube.com/playlist?list=PLAl4aZK3mRv2WMwsuJOmW0rrNqtj7_ipK", "ie_key": "YoutubePlaylist", "title": "Jeff Bakalar videos"}
{"_type": "url", "url": "https://www.youtube.com/playlist?list=PLAl4aZK3mRv3wnjBRP3nXj05uTgeD5OXD", "ie_key": "YoutubePlaylist", "title": "The Tesla Track"}
{"_type": "url", "url": "https://www.youtube.com/playlist?list=PLAl4aZK3mRv1ErwrGUZpHKCY-RM25yLqz", "ie_key": "YoutubePlaylist", "title": "CNET Torture Tests"}
{"_type": "url", "url": "https://www.youtube.com/playlist?list=PLAl4aZK3mRv2BWtTpy-hLZn4Pd3IPjGPI", "ie_key": "YoutubePlaylist", "title": "CNET Live Events 2018"}

[joe-bruno]

#16352

[motiv8d]

Thankyou @quekky - I have just tried making the suggested patch and it works.
For others, the file change is to "/usr/lib/python3.8/site-packages/youtube_dl/extractor/youtube.py" (path may vary dependent on your system and python revisions).

As this seems like trivial issue fix and it was made over 2 years ago now, I do not understand why this is not implemented in the official versions.

The only problem I still have with this function is it is limited to returning 14 entries. That is a separate issue of course.

Can someone advise why this patch has not been implemented please?