[br] Add audio extraction and support more URLs (Closes #2728)

youtube_dl/extractor/br.py

@@ -4,39 +4,72 @@ from __future__ import unicode_literals
 import re
 
 from .common import InfoExtractor
-from ..utils import ExtractorError
+from ..utils import (
+    ExtractorError,
+    int_or_none,
+)
 
 
 class BRIE(InfoExtractor):
-    IE_DESC = "Bayerischer Rundfunk Mediathek"
-    _VALID_URL = r"^https?://(?:www\.)?br\.de/mediathek/video/(?:sendungen/)?(?:[a-z0-9\-/]+/)?(?P<id>[a-z0-9\-]+)\.html$"
-    _BASE_URL = "http://www.br.de"
+    IE_DESC = 'Bayerischer Rundfunk Mediathek'
+    _VALID_URL = r'https?://(?:www\.)?br\.de/(?:[a-z0-9\-]+/)+(?P<id>[a-z0-9\-]+)\.html'
+    _BASE_URL = 'http://www.br.de'
 
     _TESTS = [
         {
-            "url": "http://www.br.de/mediathek/video/anselm-gruen-114.html",
-            "md5": "c4f83cf0f023ba5875aba0bf46860df2",
-            "info_dict": {
-                "id": "2c8d81c5-6fb7-4a74-88d4-e768e5856532",
-                "ext": "mp4",
-                "title": "Feiern und Verzichten",
-                "description": "Anselm Grün: Feiern und Verzichten",
-                "uploader": "BR/Birgit Baier",
-                "upload_date": "20140301"
+            'url': 'http://www.br.de/mediathek/video/anselm-gruen-114.html',
+            'md5': 'c4f83cf0f023ba5875aba0bf46860df2',
+            'info_dict': {
+                'id': '2c8d81c5-6fb7-4a74-88d4-e768e5856532',
+                'ext': 'mp4',
+                'title': 'Feiern und Verzichten',
+                'description': 'Anselm Grün: Feiern und Verzichten',
+                'uploader': 'BR/Birgit Baier',
+                'upload_date': '20140301',
             }
         },
         {
-            "url": "http://www.br.de/mediathek/video/sendungen/unter-unserem-himmel/unter-unserem-himmel-alpen-ueber-den-pass-100.html",
-            "md5": "ab451b09d861dbed7d7cc9ab0be19ebe",
-            "info_dict": {
-                "id": "2c060e69-3a27-4e13-b0f0-668fac17d812",
-                "ext": "mp4",
-                "title": "Über den Pass",
-                "description": "Die Eroberung der Alpen: Über den Pass",
-                "uploader": None,
-                "upload_date": None
+            'url': 'http://www.br.de/mediathek/video/sendungen/unter-unserem-himmel/unter-unserem-himmel-alpen-ueber-den-pass-100.html',
+            'md5': 'ab451b09d861dbed7d7cc9ab0be19ebe',
+            'info_dict': {
+                'id': '2c060e69-3a27-4e13-b0f0-668fac17d812',
+                'ext': 'mp4',
+                'title': 'Über den Pass',
+                'description': 'Die Eroberung der Alpen: Über den Pass',
             }
-        }
+        },
+        {
+            'url': 'http://www.br.de/nachrichten/schaeuble-haushaltsentwurf-bundestag-100.html',
+            'md5': '3db0df1a9a9cd9fa0c70e6ea8aa8e820',
+            'info_dict': {
+                'id': 'c6aae3de-2cf9-43f2-957f-f17fef9afaab',
+                'ext': 'aac',
+                'title': '"Keine neuen Schulden im nächsten Jahr"',
+                'description': 'Haushaltsentwurf: "Keine neuen Schulden im nächsten Jahr"',
+            }
+        },
+        {
+            'url': 'http://www.br.de/radio/bayern1/service/team/videos/team-video-erdelt100.html',
+            'md5': 'dbab0aef2e047060ea7a21fc1ce1078a',
+            'info_dict': {
+                'id': '6ba73750-d405-45d3-861d-1ce8c524e059',
+                'ext': 'mp4',
+                'title': 'Umweltbewusster Häuslebauer',
+                'description': 'Uwe Erdelt: Umweltbewusster Häuslebauer',
+            }
+        },
+        {
+            'url': 'http://www.br.de/fernsehen/br-alpha/sendungen/kant-fuer-anfaenger/kritik-der-reinen-vernunft/kant-kritik-01-metaphysik100.html',
+            'md5': '23bca295f1650d698f94fc570977dae3',
+            'info_dict': {
+                'id': 'd982c9ce-8648-4753-b358-98abb8aec43d',
+                'ext': 'mp4',
+                'title': 'Folge 1 - Metaphysik',
+                'description': 'Kant für Anfänger: Folge 1 - Metaphysik',
+                'uploader': 'Eva Maria Steimle',
+                'upload_date': '20140117',
+            }
+        },
     ]
 
     def _real_extract(self, url):
@@ -44,56 +77,63 @@ class BRIE(InfoExtractor):
         display_id = mobj.group('id')
         page = self._download_webpage(url, display_id)
         xml_url = self._search_regex(
-            r"return BRavFramework\.register\(BRavFramework\('avPlayer_(?:[a-f0-9-]{36})'\)\.setup\({dataURL:'(/mediathek/video/[a-z0-9/~_.-]+)'}\)\);", page, "XMLURL")
+            r"return BRavFramework\.register\(BRavFramework\('avPlayer_(?:[a-f0-9-]{36})'\)\.setup\({dataURL:'(/(?:[a-z0-9\-]+/)+[a-z0-9/~_.-]+)'}\)\);", page, 'XMLURL')
         xml = self._download_xml(self._BASE_URL + xml_url, None)
 
-        videos = []
-        for xml_video in xml.findall("video"):
-            video = {
-                "id": xml_video.get("externalId"),
-                "title": xml_video.find("title").text,
-                "formats": self._extract_formats(xml_video.find("assets")),
-                "thumbnails": self._extract_thumbnails(xml_video.find("teaserImage/variants")),
-                "description": " ".join(xml_video.find("shareTitle").text.splitlines()),
-                "webpage_url": xml_video.find("permalink").text
+        medias = []
+
+        for xml_media in xml.findall('video') + xml.findall('audio'):
+            media = {
+                'id': xml_media.get('externalId'),
+                'title': xml_media.find('title').text,
+                'formats': self._extract_formats(xml_media.find('assets')),
+                'thumbnails': self._extract_thumbnails(xml_media.find('teaserImage/variants')),
+                'description': ' '.join(xml_media.find('shareTitle').text.splitlines()),
+                'webpage_url': xml_media.find('permalink').text
             }
-            if xml_video.find("author").text:
-                video["uploader"] = xml_video.find("author").text
-            if xml_video.find("broadcastDate").text:
-                video["upload_date"] =  "".join(reversed(xml_video.find("broadcastDate").text.split(".")))
-            videos.append(video)
+            if xml_media.find('author').text:
+                media['uploader'] = xml_media.find('author').text
+            if xml_media.find('broadcastDate').text:
+                media['upload_date'] = ''.join(reversed(xml_media.find('broadcastDate').text.split('.')))
+            medias.append(media)
 
-        if len(videos) > 1:
+        if len(medias) > 1:
             self._downloader.report_warning(
-                'found multiple videos; please '
+                'found multiple medias; please '
                 'report this with the video URL to http://yt-dl.org/bug')
-        if not videos:
-            raise ExtractorError('No video entries found')
-        return videos[0]
+        if not medias:
+            raise ExtractorError('No media entries found')
+        return medias[0]
 
     def _extract_formats(self, assets):
+
+        def text_or_none(asset, tag):
+            elem = asset.find(tag)
+            return None if elem is None else elem.text
+
         formats = [{
-            "url": asset.find("downloadUrl").text,
-            "ext": asset.find("mediaType").text,
-            "format_id": asset.get("type"),
-            "width": int(asset.find("frameWidth").text),
-            "height": int(asset.find("frameHeight").text),
-            "tbr": int(asset.find("bitrateVideo").text),
-            "abr": int(asset.find("bitrateAudio").text),
-            "vcodec": asset.find("codecVideo").text,
-            "container": asset.find("mediaType").text,
-            "filesize": int(asset.find("size").text),
-        } for asset in assets.findall("asset")
-            if asset.find("downloadUrl") is not None]
+            'url': text_or_none(asset, 'downloadUrl'),
+            'ext': text_or_none(asset, 'mediaType'),
+            'format_id': asset.get('type'),
+            'width': int_or_none(text_or_none(asset, 'frameWidth')),
+            'height': int_or_none(text_or_none(asset, 'frameHeight')),
+            'tbr': int_or_none(text_or_none(asset, 'bitrateVideo')),
+            'abr': int_or_none(text_or_none(asset, 'bitrateAudio')),
+            'vcodec': text_or_none(asset, 'codecVideo'),
+            'acodec': text_or_none(asset, 'codecAudio'),
+            'container': text_or_none(asset, 'mediaType'),
+            'filesize': int_or_none(text_or_none(asset, 'size')),
+        } for asset in assets.findall('asset')
+            if asset.find('downloadUrl') is not None]
 
         self._sort_formats(formats)
         return formats
 
     def _extract_thumbnails(self, variants):
         thumbnails = [{
-            "url": self._BASE_URL + variant.find("url").text,
-            "width": int(variant.find("width").text),
-            "height": int(variant.find("height").text),
-        } for variant in variants.findall("variant")]
-        thumbnails.sort(key=lambda x: x["width"] * x["height"], reverse=True)
+            'url': self._BASE_URL + variant.find('url').text,
+            'width': int_or_none(variant.find('width').text),
+            'height': int_or_none(variant.find('height').text),
+        } for variant in variants.findall('variant')]
+        thumbnails.sort(key=lambda x: x['width'] * x['height'], reverse=True)
         return thumbnails