From 6d00a2dcd110f12a0aa110f5479df76613792fbd Mon Sep 17 00:00:00 2001
From: Yen Chi Hsuan <yan12125@gmail.com>
Date: Wed, 27 May 2015 04:23:21 +0800
Subject: [PATCH] [bilibili] Catch API call failures

JSON are returned in a failed API call
---
 youtube_dl/extractor/bilibili.py | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/youtube_dl/extractor/bilibili.py b/youtube_dl/extractor/bilibili.py
index a8bea2c10f..2103ed73aa 100644
--- a/youtube_dl/extractor/bilibili.py
+++ b/youtube_dl/extractor/bilibili.py
@@ -3,6 +3,8 @@ from __future__ import unicode_literals
 
 import re
 import itertools
+import json
+import xml.etree.ElementTree as ET
 
 from .common import InfoExtractor
 from ..utils import (
@@ -67,11 +69,19 @@ class BiliBiliIE(InfoExtractor):
 
         entries = []
 
-        lq_doc = self._download_xml(
+        lq_page = self._download_webpage(
             'http://interface.bilibili.com/v_cdn_play?appkey=1&cid=%s' % cid,
             video_id,
             note='Downloading LQ video info'
         )
+        try:
+            err_info = json.loads(lq_page)
+            raise ExtractorError(
+                'BiliBili said: ' + err_info['error_text'], expected=True)
+        except ValueError:
+            pass
+
+        lq_doc = ET.fromstring(lq_page)
         lq_durls = lq_doc.findall('./durl')
 
         hq_doc = self._download_xml(