1 files changed, 14 insertions, 0 deletions
diff --git a/testing/web-platform/tests/tools/wptserve/wptserve/utils.py b/testing/web-platform/tests/tools/wptserve/wptserve/utils.py
new file mode 100644
index 000000000..e57ff196a
--- /dev/null
+++ b/testing/web-platform/tests/tools/wptserve/wptserve/utils.py
@@ -0,0 +1,14 @@
+def invert_dict(dict):
+    rv = {}
+    for key, values in dict.iteritems():
+        for value in values:
+            if value in rv:
+                raise ValueError
+            rv[value] = key
+    return rv
+
+
+class HTTPException(Exception):
+    def __init__(self, code, message=""):
+        self.code = code
+        self.message = message