Created a DataContainer class to house array and dictionary data elements, allowing them to be weakref'ed by ResourceManager.

game/gbe/resource.py

@@ -2,7 +2,6 @@
 
 import os, sys
 import logging
-import json
 import weakref
 import pygame
 from .resourceLoaders import *
@@ -122,6 +121,7 @@ class ResourceManager:
             try:
                 d["instance"] = loader(filename, params)
             except Exception as e:
+                raise e
                 _l.error("{}".format(e))
                 return None
         return weakref.ref(d["instance"])

game/gbe/resourceLoaders.py

@@ -1,4 +1,5 @@
 import os
+import json
 import pygame
 
 
@@ -53,6 +54,13 @@ def load_font(filename, params={}):
     raise LoadError("Font subsystem not initialized before attempting to obtain resource.")
 
 
+class DataContainer:
+    def __init__(self, data):
+        self._data = data
+    @property
+    def data(self):
+        return self._data
+
 def load_JSON(filename, params={}):
     if not os.path.isfile(filename):
         raise LoaderError("File '{}' is missing or not a file.".format(filename))
@@ -60,7 +68,7 @@ def load_JSON(filename, params={}):
     try:
         with open(filename) as f:
             data = json.load(f)
-        return data
+        return DataContainer(data)
     except Exception as e:
         raise e