add support for GUC proxy, move safeTraverse to ythdd_globals

ythdd_inv_tl.py

@@ -6,6 +6,7 @@
 from flask import Response, request, redirect
 from markupsafe import escape
 from time import strftime, gmtime, time
+from ythdd_globals import safeTraverse
 import json, datetime
 import invidious_formats
 import ythdd_globals
@@ -78,17 +79,6 @@ def trending():
 def popular():
 	return send(200, [{}])
 
-def safeTraverse(obj: dict, path: list, default=None):
-		result = obj
-		try:
-			for x in path:
-				result = result[x]
-		except KeyError:
-			result = default
-			print(f"error reading: {' -> '.join(path)} - returning: {default}")
-		finally:
-			return result
-
 def getError(idata: dict):
 	unknown_error = {"status": "Unknown error", "reason": "This is a generic ythdd error."}
 	error = ""