findEntities: fix negated conditions, fixes #2876

pandora/entity/managers.py

@@ -27,14 +27,18 @@ def parseCondition(condition, user, item=None):
 
     v = condition['value']
     op = condition.get('operator')
-    find_key = None
     if not op:
         op = '='
+
     if op.startswith('!'):
-        op = op[1:]
-        exclude = True
+        return ~buildCondition(k, op[1:], v)
     else:
-        exclude = False
+        return buildCondition(k, op, v)
+
+
+def buildCondition(k, op, v):
+    find_key = None
+
     if k == 'id':
         v = ox.fromAZ(v)
         return Q(**{k: v})
@@ -55,16 +59,10 @@ def parseCondition(condition, user, item=None):
         }.get(op, '__icontains'))
     key = str(key)
     if find_key:
-        if exclude:
-            q = Q(**{'find__key': find_key, key: v})
-        else:
-            q = Q(**{'find__key': find_key, key: v})
+        return Q(**{'find__key': find_key, key: v})
     else:
-        if exclude:
-            q = ~Q(**{key: v})
-        else:
-            q = Q(**{key: v})
-    return q
+        return Q(**{key: v})
+
 
 def parseConditions(conditions, operator, user, item=None):
     '''