role_id and topic relations fixes

migration/bson2json.py

@@ -0,0 +1,30 @@
+import bson
+import datetime
+import json
+import importlib
+
+import DateTimeEncoder from utils
+
+data = {
+    "content_items": [],
+    "content_item_categories": [],
+    "tags": [],
+    "email_subscriptions": [],
+    "users": [],
+    "comments": []
+}
+
+def json_tables():
+    print('creating json files at data/')
+
+    for table in data.keys():
+        lc = []
+        with open('data/'+table+'.bson', 'rb') as f:
+            bs = f.read()
+            base = 0
+            while base < len(bs):
+                base, d = bson.decode_document(bs, base)
+                lc.append(d)
+            data[table] = lc
+            open('data/'+table+'.json', 'w').write(json.dumps(lc,cls=DateTimeEncoder))
+