From abd291f1e0599f4e9b51469ea2d54f639344421d Mon Sep 17 00:00:00 2001
From: Joel Collins <jtc9242@gmail.com>
Date: Thu, 23 Apr 2020 14:25:19 +0100
Subject: [PATCH] Base OFM JSON encoder on LabThings encoder

---
 openflexure_microscope/config.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/openflexure_microscope/config.py b/openflexure_microscope/config.py
index 3cd36f72..6657de24 100644
--- a/openflexure_microscope/config.py
+++ b/openflexure_microscope/config.py
@@ -8,6 +8,8 @@ from uuid import UUID
 import numpy as np
 from fractions import Fraction
 
+from labthings.server.representations import LabThingsJSONEncoder
+
 from .paths import (
     SETTINGS_FILE_PATH,
     DEFAULT_SETTINGS_FILE_PATH,
@@ -77,7 +79,7 @@ class OpenflexureSettingsFile:
         return settings
 
 
-class JSONEncoder(flask.json.JSONEncoder):
+class JSONEncoder(LabThingsJSONEncoder):
     """
     A custom JSON encoder, with type conversions for PiCamera fractions, Numpy integers, and Numpy arrays
     """
@@ -100,7 +102,7 @@ class JSONEncoder(flask.json.JSONEncoder):
         else:
             # call base class implementation which takes care of
             # raising exceptions for unsupported types
-            return flask.json.JSONEncoder.default(self, o)
+            return LabThingsJSONEncoder.default(self, o)
 
 
 # HANDLE BASIC LOADING AND SAVING OF SETTINGS FILES