scottferg · July 7, 2010 20:24 · Jul 7, 2010
diff --git a/django_required_parameter.py b/django_required_parameter.py
@@ -0,0 +1,15 @@
+class required_parameter(object):
+    def __init__(self, paramName):
+        self.paramName = paramName
+
+    def __call__(self, function):
+        def error(param):
+            return HttpResponse('Required parameter %s not provided' % param)
+
+        def wrapped_f(*args):
+            if (self.paramName in args[0].REQUEST.keys() and args[0].REQUEST.get(self.paramName)):
+                return function(*args)
+            else:
+                return error(self.paramName)
+
+        return wrapped_f