X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=youtube_dl%2Futils.py;h=8fa4cb67f3c0fd8344ad33e1bc3098d2653cc085;hb=7ee50ae7b51ea24362419885964c11f3f7fcbb30;hp=ff124d9e8cbd42d04904e527750b7c3d94e74f59;hpb=b7ab05908440915c6c5faa541abe00c62a88bc27;p=youtube-dl

diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index ff124d9e8..8fa4cb67f 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -225,7 +225,7 @@ 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-zA-Z]+$', key)
-        assert re.match(r'^[a-zA-Z0-9@\s]*$', val)
+        assert re.match(r'^[a-zA-Z0-9@\s:._]*$', val)
         expr = xpath + u"[@%s='%s']" % (key, val)
         return node.find(expr)
 else:
@@ -1093,9 +1093,12 @@ def month_by_name(name):
         return None
 
 
-def fix_xml_all_ampersand(xml_str):
+def fix_xml_ampersands(xml_str):
     """Replace all the '&' by '&' in XML"""
-    return xml_str.replace(u'&', u'&')
+    return re.sub(
+        r'&(?!amp;|lt;|gt;|apos;|quot;|#x[0-9a-fA-F]{,4};|#[0-9]{,4};)',
+        u'&',
+        xml_str)
 
 
 def setproctitle(title):
@@ -1129,8 +1132,8 @@ class HEADRequest(compat_urllib_request.Request):
         return "HEAD"
 
 
-def int_or_none(v):
-    return v if v is None else int(v)
+def int_or_none(v, scale=1):
+    return v if v is None else (int(v) // scale)
 
 
 def parse_duration(s):
@@ -1169,6 +1172,10 @@ class PagedList(object):
         self._pagefunc = pagefunc
         self._pagesize = pagesize
 
+    def __len__(self):
+        # This is only useful for tests
+        return len(self.getslice())
+
     def getslice(self, start=0, end=None):
         res = []
         for pagenum in itertools.count(start // self._pagesize):