[reddit] Add extractors (closes #13847)

youtube_dl/extractor/extractors.py

@@ -840,6 +840,10 @@ from .rai import (
 from .rbmaradio import RBMARadioIE
 from .rds import RDSIE
 from .redbulltv import RedBullTVIE
+from .reddit import (
+    RedditIE,
+    RedditRIE,
+)
 from .redtube import RedTubeIE
 from .regiotv import RegioTVIE
 from .rentv import (

youtube_dl/extractor/reddit.py

@@ -0,0 +1,114 @@
+from __future__ import unicode_literals
+
+from .common import InfoExtractor
+from ..utils import (
+    ExtractorError,
+    int_or_none,
+    float_or_none,
+)
+
+
+class RedditIE(InfoExtractor):
+    _VALID_URL = r'https?://v\.redd\.it/(?P<id>[^/?#&]+)'
+    _TEST = {
+        # from https://www.reddit.com/r/videos/comments/6rrwyj/that_small_heart_attack/
+        'url': 'https://v.redd.it/zv89llsvexdz',
+        'md5': '655d06ace653ea3b87bccfb1b27ec99d',
+        'info_dict': {
+            'id': 'zv89llsvexdz',
+            'ext': 'mp4',
+            'title': 'zv89llsvexdz',
+        },
+        'params': {
+            'format': 'bestvideo',
+        },
+    }
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+
+        formats = self._extract_m3u8_formats(
+            'https://v.redd.it/%s/HLSPlaylist.m3u8' % video_id, video_id,
+            'mp4', entry_protocol='m3u8_native', m3u8_id='hls', fatal=False)
+
+        formats.extend(self._extract_mpd_formats(
+            'https://v.redd.it/%s/DASHPlaylist.mpd' % video_id, video_id,
+            mpd_id='dash', fatal=False))
+
+        return {
+            'id': video_id,
+            'title': video_id,
+            'formats': formats,
+        }
+
+
+class RedditRIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:www\.)?reddit\.com/r/[^/]+/comments/(?P<id>[^/]+)'
+    _TESTS = [{
+        'url': 'https://www.reddit.com/r/videos/comments/6rrwyj/that_small_heart_attack/',
+        'info_dict': {
+            'id': 'zv89llsvexdz',
+            'ext': 'mp4',
+            'title': 'That small heart attack.',
+            'thumbnail': r're:^https?://.*\.jpg$',
+            'timestamp': 1501941939,
+            'upload_date': '20170805',
+            'uploader': 'Antw87',
+            'like_count': int,
+            'dislike_count': int,
+            'comment_count': int,
+            'age_limit': 0,
+        },
+        'params': {
+            'format': 'bestvideo',
+            'skip_download': True,
+        },
+    }, {
+        'url': 'https://www.reddit.com/r/videos/comments/6rrwyj',
+        'only_matching': True,
+    }, {
+        # imgur
+        'url': 'https://www.reddit.com/r/MadeMeSmile/comments/6t7wi5/wait_for_it/',
+        'only_matching': True,
+    }, {
+        # streamable
+        'url': 'https://www.reddit.com/r/videos/comments/6t7sg9/comedians_hilarious_joke_about_the_guam_flag/',
+        'only_matching': True,
+    }, {
+        # youtube
+        'url': 'https://www.reddit.com/r/videos/comments/6t75wq/southern_man_tries_to_speak_without_an_accent/',
+        'only_matching': True,
+    }]
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+
+        data = self._download_json(
+            url + '.json', video_id)[0]['data']['children'][0]['data']
+
+        video_url = data['url']
+
+        # Avoid recursing into the same reddit URL
+        if 'reddit.com/' in video_url and '/%s/' % video_id in video_url:
+            raise ExtractorError('No media found', expected=True)
+
+        over_18 = data.get('over_18')
+        if over_18 is True:
+            age_limit = 18
+        elif over_18 is False:
+            age_limit = 0
+        else:
+            age_limit = None
+
+        return {
+            '_type': 'url_transparent',
+            'url': video_url,
+            'title': data.get('title'),
+            'thumbnail': data.get('thumbnail'),
+            'timestamp': float_or_none(data.get('created_utc')),
+            'uploader': data.get('author'),
+            'like_count': int_or_none(data.get('ups')),
+            'dislike_count': int_or_none(data.get('downs')),
+            'comment_count': int_or_none(data.get('num_comments')),
+            'age_limit': age_limit,
+        }