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Merge branch 'dev' into yt-webm-opus

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Stypox 2019-09-29 18:16:14 +02:00 committed by GitHub
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4 changed files with 137 additions and 25 deletions
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12
extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeChannelExtractor.java
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@ -82,6 +82,11 @@ public class YoutubeChannelExtractor extends ChannelExtractor {
@Nonnull
@Override
public String getId() throws ParsingException {
try {
return doc.select("meta[itemprop=\"channelId\"]").first().attr("content");
} catch (Exception ignored) {}
// fallback method; does not work with channels that have no "Subscribe" button (e.g. EminemVEVO)
try {
Element element = doc.getElementsByClass("yt-uix-subscription-button").first();
if (element == null) element = doc.getElementsByClass("yt-uix-subscription-preferences-button").first();
@ -135,11 +140,12 @@ public class YoutubeChannelExtractor extends ChannelExtractor {
@Override
public long getSubscriberCount() throws ParsingException {
final String el = doc.select("span[class*=\"yt-subscription-button-subscriber-count\"]")
.first().attr("title");
final Element el = doc.select("span[class*=\"yt-subscription-button-subscriber-count\"]").first();
if (el != null) {
String elTitle = el.attr("title");
try {
return Utils.mixedNumberWordToLong(el);
return Utils.mixedNumberWordToLong(elTitle);
} catch (NumberFormatException e) {
throw new ParsingException("Could not get subscriber count", e);
}

24
extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeChannelInfoItemExtractor.java
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@ -56,19 +56,25 @@ public class YoutubeChannelInfoItemExtractor implements ChannelInfoItemExtractor
@Override
public String getUrl() throws ParsingException {
String buttonTrackingUrl = el.select("button[class*=\"yt-uix-button\"]").first()
.attr("abs:data-href");
try {
String buttonTrackingUrl = el.select("button[class*=\"yt-uix-button\"]").first()
.attr("abs:data-href");
Pattern channelIdPattern = Pattern.compile("(?:.*?)\\%252Fchannel\\%252F([A-Za-z0-9\\-\\_]+)(?:.*)");
Matcher match = channelIdPattern.matcher(buttonTrackingUrl);
Pattern channelIdPattern = Pattern.compile("(?:.*?)\\%252Fchannel\\%252F([A-Za-z0-9\\-\\_]+)(?:.*)");
Matcher match = channelIdPattern.matcher(buttonTrackingUrl);
if (match.matches()) {
return YoutubeChannelExtractor.CHANNEL_URL_BASE + match.group(1);
} else {
// fallback method just in case youtube changes things; it should never run and tests will fail
// provides an url with "/user/NAME", that is inconsistent with stream and channel extractor
if (match.matches()) {
return YoutubeChannelExtractor.CHANNEL_URL_BASE + match.group(1);
}
} catch(Exception ignored) {}
// fallback method for channels without "Subscribe" button (or just in case yt changes things)
// provides an url with "/user/NAME", inconsistent with stream and channel extractor: tests will fail
try {
return el.select("a[class*=\"yt-uix-tile-link\"]").first()
.attr("abs:href");
} catch (Exception e) {
throw new ParsingException("Could not get channel url", e);
}
}

27
extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeStreamExtractor.java
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@ -575,21 +575,26 @@ public class YoutubeStreamExtractor extends StreamExtractor {
*/
@Override
public String getErrorMessage() {
String errorMessage = doc.select("h1[id=\"unavailable-message\"]").first().text();
StringBuilder errorReason;
Element errorElement = doc.select("h1[id=\"unavailable-message\"]").first();
if (errorMessage == null || errorMessage.isEmpty()) {
if (errorElement == null) {
errorReason = null;
} else if (errorMessage.contains("GEMA")) {
// Gema sometimes blocks youtube music content in germany:
// https://www.gema.de/en/
// Detailed description:
// https://en.wikipedia.org/wiki/GEMA_%28German_organization%29
errorReason = new StringBuilder("GEMA");
} else {
errorReason = new StringBuilder(errorMessage);
errorReason.append(" ");
errorReason.append(doc.select("[id=\"unavailable-submessage\"]").first().text());
String errorMessage = errorElement.text();
if (errorMessage == null || errorMessage.isEmpty()) {
errorReason = null;
} else if (errorMessage.contains("GEMA")) {
// Gema sometimes blocks youtube music content in germany:
// https://www.gema.de/en/
// Detailed description:
// https://en.wikipedia.org/wiki/GEMA_%28German_organization%29
errorReason = new StringBuilder("GEMA");
} else {
errorReason = new StringBuilder(errorMessage);
errorReason.append(" ");
errorReason.append(doc.select("[id=\"unavailable-submessage\"]").first().text());
}
}
return errorReason != null ? errorReason.toString() : null;

99
extractor/src/test/java/org/schabi/newpipe/extractor/services/youtube/YoutubeChannelExtractorTest.java
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@ -392,6 +392,100 @@ public class YoutubeChannelExtractorTest {
}
}
// this channel has no "Subscribe" button
public static class EminemVEVO implements BaseChannelExtractorTest {
private static YoutubeChannelExtractor extractor;
@BeforeClass
public static void setUp() throws Exception {
NewPipe.init(Downloader.getInstance(), new Localization("GB", "en"));
extractor = (YoutubeChannelExtractor) YouTube
.getChannelExtractor("https://www.youtube.com/user/EminemVEVO/");
extractor.fetchPage();
}
/*//////////////////////////////////////////////////////////////////////////
// Extractor
//////////////////////////////////////////////////////////////////////////*/
@Test
public void testServiceId() {
assertEquals(YouTube.getServiceId(), extractor.getServiceId());
}
@Test
public void testName() throws Exception {
assertEquals("EminemVEVO", extractor.getName());
}
@Test
public void testId() throws Exception {
assertEquals("UC20vb-R_px4CguHzzBPhoyQ", extractor.getId());
}
@Test
public void testUrl() throws ParsingException {
assertEquals("https://www.youtube.com/channel/UC20vb-R_px4CguHzzBPhoyQ", extractor.getUrl());
}
@Test
public void testOriginalUrl() throws ParsingException {
assertEquals("https://www.youtube.com/user/EminemVEVO/", extractor.getOriginalUrl());
}
/*//////////////////////////////////////////////////////////////////////////
// ListExtractor
//////////////////////////////////////////////////////////////////////////*/
@Test
public void testRelatedItems() throws Exception {
defaultTestRelatedItems(extractor, YouTube.getServiceId());
}
@Test
public void testMoreRelatedItems() throws Exception {
defaultTestMoreItems(extractor, YouTube.getServiceId());
}
/*//////////////////////////////////////////////////////////////////////////
// ChannelExtractor
//////////////////////////////////////////////////////////////////////////*/
@Test
public void testDescription() throws Exception {
final String description = extractor.getDescription();
assertTrue(description, description.contains("Eminem on Vevo"));
}
@Test
public void testAvatarUrl() throws Exception {
String avatarUrl = extractor.getAvatarUrl();
assertIsSecureUrl(avatarUrl);
assertTrue(avatarUrl, avatarUrl.contains("yt3"));
}
@Test
public void testBannerUrl() throws Exception {
String bannerUrl = extractor.getBannerUrl();
assertIsSecureUrl(bannerUrl);
assertTrue(bannerUrl, bannerUrl.contains("yt3"));
}
@Test
public void testFeedUrl() throws Exception {
assertEquals("https://www.youtube.com/feeds/videos.xml?channel_id=UC20vb-R_px4CguHzzBPhoyQ", extractor.getFeedUrl());
}
@Test
public void testSubscriberCount() throws Exception {
// there is no "Subscribe" button
long subscribers = extractor.getSubscriberCount();
assertEquals("Wrong subscriber count", -1, subscribers);
}
}
public static class RandomChannel implements BaseChannelExtractorTest {
private static YoutubeChannelExtractor extractor;
@ -483,8 +577,9 @@ public class YoutubeChannelExtractorTest {
@Test
public void testSubscriberCount() throws Exception {
assertTrue("Wrong subscriber count", extractor.getSubscriberCount() >= 50);
long subscribers = extractor.getSubscriberCount();
assertTrue("Wrong subscriber count: " + subscribers, subscribers >= 50);
}
}
};
}