Feature: support download bilibili space favorite folder files

src/you_get/extractors/bilibili.py

@@ -32,13 +32,13 @@ class Bilibili(VideoExtractor):
     SEC1 = '94aba54af9065f71de72f5508f1cd42e'
     SEC2 = '9b288147e5474dd2aa67085f716c560d'
     stream_types = [
-            {'id': 'hdflv'},
-            {'id': 'flv720'},
-            {'id': 'flv'},
-            {'id': 'hdmp4'},
-            {'id': 'mp4'},
-            {'id': 'live'},
-            {'id': 'vc'}
+        {'id': 'hdflv'},
+        {'id': 'flv720'},
+        {'id': 'flv'},
+        {'id': 'hdmp4'},
+        {'id': 'mp4'},
+        {'id': 'live'},
+        {'id': 'vc'}
     ]
     fmt2qlt = dict(hdflv=4, flv=3, hdmp4=2, mp4=1)
 
@@ -348,6 +348,36 @@ def parse_cid_playurl(xml):
         log.w(e)
         return [], 0
 
+def download_video_from_favlist(url, **kwargs):
+    # the url has format: https://space.bilibili.com/64169458/#/favlist?fid=1840028
+
+    m = re.search(r'space\.bilibili\.com/(\d+)/.*?fid=(\d+).*?', url)
+    vmid = ""
+    favid = ""
+    if m is not None:
+        vmid = m.group(1)
+        favid = m.group(2)
+        jsonresult = json.loads(get_content("https://api.bilibili.com/x/space/fav/arc?vmid={}&ps=300&fid={}&order=fav_time&tid=0&keyword=&pn=1&jsonp=jsonp".format(vmid, favid)))
+        print(jsonresult)
+        # log.wtf("Got files list for vmid" + vmid + " favid:" + favid)
+        if jsonresult['code'] != 0:
+            log.wtf("Fail to get the files of page " + jsonresult)
+            sys.exit(2)
+
+        else:
+            videos = jsonresult['data']['archives']
+            videocount = len(videos)
+            for i in range(videocount):
+                videoid = videos[i]["aid"]
+                videotitle = videos[i]["title"]
+                videourl = "https://www.bilibili.com/video/av{}".format(videoid)
+                print("Start downloading ", videotitle, " video ", videotitle)
+                Bilibili().download_by_url(videourl, subtitle=videotitle, **kwargs)
+
+    else:
+        log.wtf("Fail to parse the fav title" + url, "")
+
+
 def bilibili_download_playlist_by_url(url, **kwargs):
     url = url_locations([url])[0]
     kwargs['playlist'] = True
@@ -363,6 +393,9 @@ def bilibili_download_playlist_by_url(url, **kwargs):
         for ep_id in ep_ids:
             ep_url = '#'.join([base_url, ep_id])
             Bilibili().download_by_url(ep_url, **kwargs)
+    elif 'favlist' in url:
+        # this a fav list folder
+        download_video_from_favlist(url, **kwargs)
     else:
         aid = re.search(r'av(\d+)', url).group(1)
         page_list = json.loads(get_content('http://www.bilibili.com/widget/getPageList?aid={}'.format(aid)))