Removed default JSON files and submoduled JSON encoder class

openflexure_microscope/json.py

@@ -0,0 +1,31 @@
+from fractions import Fraction
+from uuid import UUID
+
+import numpy as np
+from labthings.json import LabThingsJSONEncoder
+
+
+class JSONEncoder(LabThingsJSONEncoder):
+    """
+    A custom JSON encoder, with type conversions for PiCamera fractions, Numpy integers, and Numpy arrays
+    """
+
+    def default(self, o):
+        if isinstance(o, UUID):
+            return str(o)
+        # PiCamera fractions
+        elif isinstance(o, Fraction):
+            return float(o)
+        # Numpy integers
+        elif isinstance(o, np.integer):
+            return int(o)
+        # Numpy arrays
+        elif isinstance(o, np.ndarray):
+            return o.tolist()
+        # UUIDs
+        elif isinstance(o, UUID):
+            return str(o)
+        else:
+            # call base class implementation which takes care of
+            # raising exceptions for unsupported types
+            return LabThingsJSONEncoder.default(self, o)