From 5d2354f1779182f260b4ef44ef6e92a3b5944183 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sergey=20M=E2=80=A4?= <dstftw@gmail.com>
Date: Fri, 4 Sep 2015 23:57:27 +0600
Subject: [PATCH] [utils] Relax attribute key assert
---
youtube_dl/utils.py | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index de5069c7b3..86b7571030 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -141,7 +141,7 @@ def write_json_file(obj, fn):
if sys.version_info >= (2, 7):
def find_xpath_attr(node, xpath, key, val=None):
""" Find the xpath xpath[@key=val] """
- assert re.match(r'^[a-zA-Z-]+$', key)
+ assert re.match(r'^[a-zA-Z_-]+$', key)
if val:
assert re.match(r'^[a-zA-Z0-9@\s:._-]*$', val)
expr = xpath + ('[@%s]' % key if val is None else "[@%s='%s']" % (key, val))