Add Choice class

apps/common/utils.py

@@ -433,3 +433,25 @@ def copyfile(source, destination, buffer_size=1024 * 1024):
 
     source_descriptor.close()
     destination_descriptor.close()
+
+
+
+#From: http://tomforb.es/using-python-metaclasses-to-make-awesome-django-model-field-choices?pid=0&utm_source=agiliq&utm_medium=agiliq
+import inspect
+
+class Choice(object):
+    class __metaclass__(type):
+        def __init__(self, name, type, other):
+            self._data = []
+            for name, value in inspect.getmembers(self):
+                if not name.startswith('_') and not inspect.isfunction(value):
+                    if isinstance(value,tuple) and len(value) > 1:
+                        data = value
+                    else:
+                        data = (value, ' '.join([x.capitalize() for x in name.split('_')]),)
+                    self._data.append(data)
+                    setattr(self, name, data[0])
+
+        def __iter__(self):
+            for value, data in self._data:
+                yield value, data