Added utility functions to fiddle around with text in mustache file.

generate.py

@@ -20,6 +20,29 @@ import shutil
 import json
 import pystache
 
+class UtilityFunctions(pystache.TemplateSpec):
+    def Upper(self, text=None):
+        """
+        Capitalize a given token
+        """
+        return lambda txt: txt.upper()
+
+    def Lower(self, text=None):
+        """
+        Return the given text in lowercase.
+        """
+        return lambda txt: txt.lower()
+
+    def CamelCase(self, text=None):
+        """
+        Capitalize the first letter of the given text.
+        """
+        def _camel(text):
+            text[0].upper()
+            return text
+        return _camel
+
+
 def query_yes_no(question, default=None):
     """
     Queries the user for a decision.
@@ -62,7 +85,7 @@ def create_header(headerfile, experiment, destination):
     """
     with open(headerfile, 'r') as header_template:
         template = header_template.read()
-    header_txt = pystache.render(template, experiment)
+    header_txt = pystache.render(template, experiment, UtilityFunctions())
     with open(destination, 'w') as header:
         print(header_txt, file=header)