Extractor for youtube mix (auto-generated playlist) #253
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,205 @@ | ||
| package org.schabi.newpipe.extractor.services.youtube.extractors; | ||
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| import java.io.IOException; | ||
| import javax.annotation.Nonnull; | ||
| import javax.annotation.Nullable; | ||
| import org.jsoup.nodes.Document; | ||
| import org.jsoup.nodes.Element; | ||
| import org.schabi.newpipe.extractor.StreamingService; | ||
| import org.schabi.newpipe.extractor.downloader.Downloader; | ||
| import org.schabi.newpipe.extractor.downloader.Response; | ||
| import org.schabi.newpipe.extractor.exceptions.ExtractionException; | ||
| import org.schabi.newpipe.extractor.exceptions.ParsingException; | ||
| import org.schabi.newpipe.extractor.linkhandler.LinkHandlerFactory; | ||
| import org.schabi.newpipe.extractor.linkhandler.ListLinkHandler; | ||
| import org.schabi.newpipe.extractor.localization.TimeAgoParser; | ||
| import org.schabi.newpipe.extractor.playlist.PlaylistExtractor; | ||
| import org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeParsingHelper; | ||
| import org.schabi.newpipe.extractor.stream.StreamInfoItem; | ||
| import org.schabi.newpipe.extractor.stream.StreamInfoItemsCollector; | ||
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| /** | ||
| * A YoutubePlaylistExtractor for a mix (auto-generated playlist). | ||
| * It handles urls in the format of "youtube.com/watch?v=videoId&list=playlistId" | ||
| */ | ||
| public class YoutubeMixPlaylistExtractor extends PlaylistExtractor { | ||
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| private Document doc; | ||
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| public YoutubeMixPlaylistExtractor(StreamingService service, ListLinkHandler linkHandler) { | ||
| super(service, linkHandler); | ||
| } | ||
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| @Override | ||
| public void onFetchPage(@Nonnull Downloader downloader) throws IOException, ExtractionException { | ||
| final String url = getUrl(); | ||
| final Response response = downloader.get(url, getExtractorLocalization()); | ||
| doc = YoutubeParsingHelper.parseAndCheckPage(url, response); | ||
| } | ||
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| @Nonnull | ||
| @Override | ||
| public String getName() throws ParsingException { | ||
| try { | ||
| return doc.select("div[class=\"playlist-info\"] h3[class=\"playlist-title\"]").first().text(); | ||
| } catch (Exception e) { | ||
| throw new ParsingException("Could not get playlist name", e); | ||
| } | ||
| } | ||
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| @Override | ||
| public String getThumbnailUrl() throws ParsingException { | ||
| try { | ||
| Element li = doc.select("ol[class*=\"playlist-videos-list\"] li").first(); | ||
| String videoId = li.attr("data-video-id"); | ||
| if (videoId != null && !videoId.isEmpty()) { | ||
| //higher quality | ||
| return getThumbnailUrlFromId(videoId); | ||
| } else { | ||
| //lower quality | ||
| return doc.select("ol[class*=\"playlist-videos-list\"] li").first() | ||
| .attr("data-thumbnail-url"); | ||
| } | ||
| } catch (Exception e) { | ||
| throw new ParsingException("Could not get playlist thumbnail", e); | ||
| } | ||
| } | ||
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| @Override | ||
| public String getBannerUrl() { | ||
| return ""; | ||
| } | ||
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| @Override | ||
| public String getUploaderUrl() { | ||
| //Youtube mix are auto-generated | ||
| return ""; | ||
| } | ||
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| @Override | ||
| public String getUploaderName() { | ||
| //Youtube mix are auto-generated | ||
| return ""; | ||
| } | ||
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| @Override | ||
| public String getUploaderAvatarUrl() { | ||
|
Member
There was a problem hiding this comment. As they are generated by YouTube, shouldn't you return YouTube logo (or censored version)?
Collaborator
Author
There was a problem hiding this comment. I would probably need to hardcode the url, since i can't find one in the crawled html. |
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| //Youtube mix are auto-generated | ||
| return ""; | ||
| } | ||
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| @Override | ||
| public long getStreamCount() { | ||
| // Auto-generated playlist always start with 25 videos and are endless | ||
| // But the html doesn't have a continuation url | ||
| return doc.select("ol[class*=\"playlist-videos-list\"] li").size(); | ||
| } | ||
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| @Nonnull | ||
| @Override | ||
| public InfoItemsPage<StreamInfoItem> getInitialPage() { | ||
| StreamInfoItemsCollector collector = new StreamInfoItemsCollector(getServiceId()); | ||
| Element ol = doc.select("ol[class*=\"playlist-videos-list\"]").first(); | ||
| collectStreamsFrom(collector, ol); | ||
| return new InfoItemsPage<>(collector, getNextPageUrl()); | ||
| } | ||
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| @Override | ||
| public String getNextPageUrl() { | ||
| return ""; | ||
| } | ||
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| @Override | ||
| public InfoItemsPage<StreamInfoItem> getPage(final String pageUrl) { | ||
| //Continuations are not implemented | ||
| return null; | ||
| } | ||
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| private void collectStreamsFrom( | ||
| @Nonnull StreamInfoItemsCollector collector, | ||
| @Nullable Element element) { | ||
| collector.reset(); | ||
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| if (element == null) { | ||
| return; | ||
| } | ||
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| final LinkHandlerFactory streamLinkHandlerFactory = getService().getStreamLHFactory(); | ||
| final TimeAgoParser timeAgoParser = getTimeAgoParser(); | ||
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| for (final Element li : element.children()) { | ||
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| collector.commit(new YoutubeStreamInfoItemExtractor(li, timeAgoParser) { | ||
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| @Override | ||
| public boolean isAd() { | ||
| return false; | ||
| } | ||
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| @Override | ||
| public String getUrl() throws ParsingException { | ||
| try { | ||
| return streamLinkHandlerFactory.fromId(li.attr("data-video-id")).getUrl(); | ||
| } catch (Exception e) { | ||
| throw new ParsingException("Could not get web page url for the video", e); | ||
| } | ||
| } | ||
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| @Override | ||
| public String getName() throws ParsingException { | ||
| try { | ||
| return li.attr("data-video-title"); | ||
| } catch (Exception e) { | ||
| throw new ParsingException("Could not get name", e); | ||
| } | ||
| } | ||
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| @Override | ||
| public long getDuration() { | ||
| //Not present in doc | ||
| return 0; | ||
| } | ||
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| @Override | ||
| public String getUploaderName() throws ParsingException { | ||
| String uploaderName = li.attr("data-video-username"); | ||
| if (uploaderName == null || uploaderName.isEmpty()) { | ||
| throw new ParsingException("Could not get uploader name"); | ||
| } else { | ||
| return uploaderName; | ||
| } | ||
| } | ||
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| @Override | ||
| public String getUploaderUrl() { | ||
| //Not present in doc | ||
| return ""; | ||
| } | ||
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| @Override | ||
| public String getTextualUploadDate() { | ||
| //Not present in doc | ||
| return ""; | ||
| } | ||
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| @Override | ||
| public long getViewCount() { | ||
| return -1; | ||
| } | ||
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| @Override | ||
| public String getThumbnailUrl() throws ParsingException { | ||
| try { | ||
| return getThumbnailUrlFromId(streamLinkHandlerFactory.fromUrl(getUrl()).getId()); | ||
| } catch (Exception e) { | ||
| throw new ParsingException("Could not get thumbnail url", e); | ||
| } | ||
| } | ||
| }); | ||
| } | ||
| } | ||
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| private String getThumbnailUrlFromId(String videoId) { | ||
| return "https://i.ytimg.com/vi/" + videoId + "/hqdefault.jpg"; | ||
| } | ||
| } | ||
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return YouTube instead of empty String.
See this screenshot, on YouTube website (look at top left):
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I don't have that YouTube string marked in you image when i open the site.
But that could also be changed in the app, since there was already a PR to deal with playlists without uploader. Just the String resource would need to be changed.
TeamNewPipe/NewPipe#2724