Safe JSON get for variables

Author: eduard93

isc/py/Callout.cls

@@ -89,6 +89,7 @@ ClassMethod SimpleString(code As %String = "", variable As %String = "", seriali
 	set:$ZISWIDE(code) code = $zcvt(code, "O", "UTF8")
 	set result = $ZF(-6, ..#PyLibId, ..#SimpleString, code, variable, serialization)
 
+	// Slows getting result by ~50%
 	set result = $zcvt(result, "I", "UTF8")
 	quit result
 }

isc/py/data/Variable.cls

@@ -48,7 +48,7 @@ ClassMethod SaveVariable(name As %String = "", Output variable As isc.py.data.Va
 	set variable.Value = repr
 	set variable.Type = type
 	set variable.Pickle = pickle
-	set variable.JSON = json
+	set variable.JSON = $g(json)
 	set sc = variable.%Save()
 
 	quit sc