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NewPipeExtractor
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Code Issues Releases Wiki Activity

Trending StreamInfoItemCollecetor

This commit is contained in:
TobiGr 2020-02-17 20:24:48 +01:00
parent b705515da0
commit a34e5c18e1
2 changed files with 76 additions and 66 deletions
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15
extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeStreamInfoItemExtractor.java
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@ -1,5 +1,6 @@
package org.schabi.newpipe.extractor.services.youtube.extractors;
import com.grack.nanojson.JsonObject;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;
import org.schabi.newpipe.extractor.exceptions.ParsingException;
@ -35,7 +36,8 @@ import java.util.Date;
public class YoutubeStreamInfoItemExtractor implements StreamInfoItemExtractor {
private final Element item;
private JsonObject videoInfoItem;
private Element item;
private final TimeAgoParser timeAgoParser;
private String cachedUploadDate;
@ -51,6 +53,17 @@ public class YoutubeStreamInfoItemExtractor implements StreamInfoItemExtractor {
this.timeAgoParser = timeAgoParser;
}
/**
* Creates an extractor of StreamInfoItems from a YouTube page.
*
* @param videoInfoItem The JSON page element
* @param timeAgoParser A parser of the textual dates or {@code null}.
*/
public YoutubeStreamInfoItemExtractor(JsonObject videoInfoItem, @Nullable TimeAgoParser timeAgoParser) {
this.videoInfoItem = videoInfoItem;
this.timeAgoParser = timeAgoParser;
}
@Override
public StreamType getStreamType() throws ParsingException {
if (isLiveStream(item)) {

127
extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeTrendingExtractor.java
View File

@ -20,6 +20,7 @@ package org.schabi.newpipe.extractor.services.youtube.extractors;
* along with NewPipe. If not, see <http://www.gnu.org/licenses/>.
*/
import com.grack.nanojson.JsonArray;
import com.grack.nanojson.JsonObject;
import com.grack.nanojson.JsonParser;
import com.grack.nanojson.JsonParserException;
@ -34,7 +35,9 @@ import org.schabi.newpipe.extractor.exceptions.ParsingException;
import org.schabi.newpipe.extractor.kiosk.KioskExtractor;
import org.schabi.newpipe.extractor.linkhandler.ListLinkHandler;
import org.schabi.newpipe.extractor.localization.TimeAgoParser;
import org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeChannelLinkHandlerFactory;
import org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeParsingHelper;
import org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeStreamLinkHandlerFactory;
import org.schabi.newpipe.extractor.stream.StreamInfoItem;
import org.schabi.newpipe.extractor.stream.StreamInfoItemsCollector;
import org.schabi.newpipe.extractor.utils.Parser;
@ -102,85 +105,79 @@ public class YoutubeTrendingExtractor extends KioskExtractor<StreamInfoItem> {
@Override
public InfoItemsPage<StreamInfoItem> getInitialPage() throws ParsingException {
StreamInfoItemsCollector collector = new StreamInfoItemsCollector(getServiceId());
Elements uls = doc.select("ul[class*=\"expanded-shelf-content-list\"]");
JsonArray firstPageElements = initialData.getObject("contents").getObject("twoColumnBrowseResultsRenderer")
.getArray("tabs").getObject(0).getObject("tabRenderer").getObject("content")
.getObject("sectionListRenderer").getArray("contents").getObject(0).getObject("itemSectionRenderer")
.getArray("contents").getObject(0).getObject("shelfRenderer").getObject("content")
.getObject("expandedShelfContentsRenderer").getArray("items");
final TimeAgoParser timeAgoParser = getTimeAgoParser();
for (Element ul : uls) {
for (final Element li : ul.children()) {
final Element el = li.select("div[class*=\"yt-lockup-dismissable\"]").first();
collector.commit(new YoutubeStreamInfoItemExtractor(li, timeAgoParser) {
@Override
public String getUrl() throws ParsingException {
try {
Element dl = el.select("h3").first().select("a").first();
return dl.attr("abs:href");
} catch (Exception e) {
throw new ParsingException("Could not get web page url for the video", e);
}
for (Object ul : firstPageElements) {
final JsonObject videoInfo = ((JsonObject) ul).getObject("videoRenderer");
collector.commit(new YoutubeStreamInfoItemExtractor(videoInfo, timeAgoParser) {
@Override
public String getUrl() throws ParsingException {
try {
String videoId = videoInfo.getString("videoId");
return YoutubeStreamLinkHandlerFactory.getInstance().getUrl(videoId);
} catch (Exception e) {
throw new ParsingException("Could not get web page url for the video", e);
}
}
@Override
public String getName() throws ParsingException {
try {
Element dl = el.select("h3").first().select("a").first();
return dl.text();
} catch (Exception e) {
throw new ParsingException("Could not get web page url for the video", e);
}
@Override
public String getName() throws ParsingException {
String name = null;
try {
name = videoInfo.getObject("title").getObject("accessibility")
.getObject("accessibilityData").getString("label");
} catch (Exception ignored) {
}
if (name != null && !name.isEmpty()) return name;
try {
name = videoInfo.getObject("title").getArray("runs").getObject(0).getString("text");
} catch (Exception e) {
throw new ParsingException("Could not get web page url for the video", e);
}
if (name != null && !name.isEmpty()) return name;
throw new ParsingException("Could not get web page url for the video");
}
@Override
public String getUploaderUrl() throws ParsingException {
try {
String link = getUploaderLink().attr("abs:href");
if (link.isEmpty()) {
throw new IllegalArgumentException("is empty");
}
return link;
} catch (Exception e) {
throw new ParsingException("Could not get Uploader name");
@Override
public String getUploaderUrl() throws ParsingException {
try {
String id = videoInfo.getObject("ownerText").getArray("runs").getObject(0).
getObject("browseEndpoint").getString("browseId");
if (id == null || id.isEmpty()) {
throw new IllegalArgumentException("is empty");
}
return YoutubeChannelLinkHandlerFactory.getInstance().getUrl(id);
} catch (Exception e) {
throw new ParsingException("Could not get Uploader url");
}
}
private Element getUploaderLink() {
// this url is not always in the form "/channel/..."
// sometimes Youtube provides urls in the from "/user/..."
Element uploaderEl = el.select("div[class*=\"yt-lockup-byline \"]").first();
return uploaderEl.select("a").first();
@Override
public String getUploaderName() throws ParsingException {
try {
return videoInfo.getObject("ownerText").getArray("runs").getObject(0).getString("text");
} catch (Exception e) {
throw new ParsingException("Could not get uploader name");
}
}
@Override
public String getUploaderName() throws ParsingException {
try {
return getUploaderLink().text();
} catch (Exception e) {
throw new ParsingException("Could not get Uploader name");
}
@Override
public String getThumbnailUrl() throws ParsingException {
try {
return videoInfo.getObject("thumbnail").getArray("thumbnails").getObject(0).getString("url");
} catch (Exception e) {
throw new ParsingException("Could not get thumbnail url", e);
}
@Override
public String getThumbnailUrl() throws ParsingException {
try {
String url;
Element te = li.select("span[class=\"yt-thumb-simple\"]").first()
.select("img").first();
url = te.attr("abs:src");
// Sometimes youtube sends links to gif files which somehow seem to not exist
// anymore. Items with such gif also offer a secondary image source. So we are going
// to use that if we've caught such an item.
if (url.contains(".gif")) {
url = te.attr("abs:data-thumb");
}
return url;
} catch (Exception e) {
throw new ParsingException("Could not get thumbnail url", e);
}
}
});
}
}
});
}
return new InfoItemsPage<>(collector, getNextPageUrl());
}
}