Update web-platform-tests to revision 0d318188757a9c996e20b82db201fd04de5aa255

tests/wpt/web-platform-tests/tools/manifest/utils.py

@@ -0,0 +1,43 @@
+import os
+import urlparse
+from StringIO import StringIO
+
+blacklist = ["/", "/tools/", "/resources/", "/common/", "/conformance-checkers/", "_certs"]
+
+def rel_path_to_url(rel_path, url_base="/"):
+    assert not os.path.isabs(rel_path)
+    if url_base[0] != "/":
+        url_base = "/" + url_base
+    if url_base[-1] != "/":
+        url_base += "/"
+    return url_base + rel_path.replace(os.sep, "/")
+
+def is_blacklisted(url):
+    for item in blacklist:
+        if item == "/":
+            if "/" not in url[1:]:
+                return True
+        elif url.startswith(item):
+            return True
+    return False
+
+class ContextManagerStringIO(StringIO):
+    def __enter__(self):
+        return self
+
+    def __exit__(self, *args, **kwargs):
+        self.close()
+
+class cached_property(object):
+    def __init__(self, func):
+        self.func = func
+        self.__doc__ = getattr(func, "__doc__")
+        self.name = func.__name__
+
+    def __get__(self, obj, cls=None):
+        if obj is None:
+            return self
+
+        if self.name not in obj.__dict__:
+            obj.__dict__[self.name] = self.func(obj)
+        return obj.__dict__[self.name]