From 59ae56fad5dbbc7178024e3e4a539f3cc6bc60d5 Mon Sep 17 00:00:00 2001 From: Philipp Hagemeister Date: Thu, 11 Jul 2013 16:12:08 +0200 Subject: Add helper function find_path_attr --- youtube_dl/utils.py | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'youtube_dl/utils.py') diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py index b9bff5fde..76fa2950c 100644 --- a/youtube_dl/utils.py +++ b/youtube_dl/utils.py @@ -198,6 +198,20 @@ else: with open(fn, 'w', encoding='utf-8') as f: json.dump(obj, f) +if sys.version_info >= (2,7): + def find_xpath_attr(node, xpath, key, val): + """ Find the xpath xpath[@key=val] """ + assert re.match(r'^[a-z]+$', key) + assert re.match(r'^[a-z]*$', val) + expr = xpath + u"[@%s='%s']" % (key, val) + return node.find(expr) +else: + def find_xpath_attr(node, xpath, key, val): + for f in node.findall(xpath): + if f.attrib.get(key) == val: + return f + return None + def htmlentity_transform(matchobj): """Transforms an HTML entity to a character. -- cgit v1.2.3