merge with upstream master

helix/json_builder.py

@@ -0,0 +1,16 @@
+try:
+    import ujson as json
+except ImportError:
+    import json
+
+
+class JsonBuilder:
+    def build_bom_output(self, rows):
+        data = []
+        headers = ['Part #', 'Description', 'Total']
+        for row in rows:
+            d = {}
+            for i, value in enumerate(row):
+                d[headers[i]] = value
+            data.append(d)
+        return json.dumps(data)