[imgur] Add new extractor

youtube_dl/extractor/imgur.py

@@ -0,0 +1,84 @@
+from __future__ import unicode_literals
+
+import re
+
+from .common import InfoExtractor
+from ..utils import (
+    int_or_none,
+    js_to_json,
+    mimetype2ext,
+)
+
+
+class ImgurIE(InfoExtractor):
+    _VALID_URL = r'https?://i\.imgur\.com/(?P<id>[a-zA-Z0-9]+)\.(?:mp4|gifv)'
+
+    _TESTS = [{
+        'url': 'https://i.imgur.com/A61SaA1.gifv',
+        'info_dict': {
+            'id': 'A61SaA1',
+            'ext': 'mp4',
+            'title': 'MRW gifv is up and running without any bugs',
+            'description': 'The Internet\'s visual storytelling community. Explore, share, and discuss the best visual stories the Internet has to offer.',
+        },
+    }]
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+        webpage = self._download_webpage(url, video_id)
+
+        width = int_or_none(self._search_regex(
+            r'<param name="width" value="([0-9]+)"',
+            webpage, 'width', fatal=False))
+        height = int_or_none(self._search_regex(
+            r'<param name="height" value="([0-9]+)"',
+            webpage, 'height', fatal=False))
+
+        formats = []
+        video_elements = self._search_regex(
+            r'(?s)<div class="video-elements">(.*?)</div>',
+            webpage, 'video elements')
+        formats = []
+        for m in re.finditer(r'<source\s+src="(?P<src>[^"]+)"\s+type="(?P<type>[^"]+)"', video_elements):
+            formats.append({
+                'format_id': m.group('type').partition('/')[2],
+                'url': self._proto_relative_url(m.group('src')),
+                'ext': mimetype2ext(m.group('type')),
+                'acodec': 'none',
+                'width': width,
+                'height': height,
+                'http_headers': {
+                    'User-Agent': 'youtube-dl (like wget)',
+                },
+            })
+
+        gif_json = self._search_regex(
+            r'(?s)var\s+videoItem\s*=\s*(\{.*?\})',
+            webpage, 'GIF code', fatal=False)
+        if gif_json:
+            gifd = self._parse_json(
+                gif_json, video_id, transform_source=js_to_json)
+            formats.append({
+                'format_id': 'gif',
+                'preference': -10,
+                'width': width,
+                'height': height,
+                'ext': 'gif',
+                'acodec': 'none',
+                'vcodec': 'gif',
+                'container': 'gif',
+                'url': self._proto_relative_url(gifd['gifUrl']),
+                'filesize': gifd.get('size'),
+                'http_headers': {
+                    'User-Agent': 'youtube-dl (like wget)',
+                },
+            })
+
+        self._sort_formats(formats)
+
+        return {
+            'id': video_id,
+            'formats': formats,
+            'description': self._og_search_description(webpage),
+            'title': self._og_search_title(webpage),
+        }