Merge pull request soimort#1708 from rosynirvana/fix_tudou

fix tudou.py when there is no title

src/you_get/extractors/tudou.py

@@ -26,7 +26,10 @@ def tudou_download_by_id(id, title, output_dir = '.', merge = True, info_only =
     html = get_html('http://www.tudou.com/programs/view/%s/' % id)
 
     iid = r1(r'iid\s*[:=]\s*(\S+)', html)
-    title = r1(r'kw\s*[:=]\s*[\'\"]([^\n]+?)\'\s*\n', html).replace("\\'", "\'")
+    try:
+        title = r1(r'kw\s*[:=]\s*[\'\"]([^\n]+?)\'\s*\n', html).replace("\\'", "\'")
+    except AttributeError:
+        title = ''
     tudou_download_by_iid(iid, title, output_dir = output_dir, merge = merge, info_only = info_only)
 
 def tudou_download(url, output_dir = '.', merge = True, info_only = False, **kwargs):
@@ -42,13 +45,20 @@ def tudou_download(url, output_dir = '.', merge = True, info_only = False, **kwa
     if id:
         return tudou_download_by_id(id, title="", info_only=info_only)
 
-    html = get_decoded_html(url)
+    html = get_content(url)
 
-    title = r1(r'\Wkw\s*[:=]\s*[\'\"]([^\n]+?)\'\s*\n', html).replace("\\'", "\'")
-    assert title
-    title = unescape_html(title)
+    try:
+        title = r1(r'\Wkw\s*[:=]\s*[\'\"]([^\n]+?)\'\s*\n', html).replace("\\'", "\'")
+        assert title
+        title = unescape_html(title)
+    except AttributeError:
+        title = match1(html, r'id=\"subtitle\"\s*title\s*=\s*\"([^\"]+)\"')
+        if title is None:
+            title = ''
 
     vcode = r1(r'vcode\s*[:=]\s*\'([^\']+)\'', html)
+    if vcode is None:
+        vcode = match1(html, r'viden\s*[:=]\s*\"([\w+/=]+)\"')
     if vcode:
         from .youku import youku_download_by_vid
         return youku_download_by_vid(vcode, title=title, output_dir=output_dir, merge=merge, info_only=info_only, **kwargs)