Extract urls_expire_after factory

plextraktsync/util/Factory.py

@@ -120,21 +120,23 @@ def server_config(self):
     def session(self):
         from requests_cache import CachedSession
 
-        if self.run_config.cache:
-            urls_expire_after = self.config.http_cache.urls_expire_after
-        else:
-            from requests_cache import DO_NOT_CACHE
-
-            urls_expire_after = {
-                "*": DO_NOT_CACHE,
-            }
-
         return CachedSession(
             cache_name=self.config.cache_path,
             cache_control=True,
-            urls_expire_after=urls_expire_after,
+            urls_expire_after=self.urls_expire_after,
         )
 
+    @cached_property
+    def urls_expire_after(self):
+        if self.run_config.cache:
+            return self.config.http_cache.urls_expire_after
+
+        from requests_cache import DO_NOT_CACHE
+
+        return {
+            "*": DO_NOT_CACHE,
+        }
+
     @cached_property
     def sync(self):
         from plextraktsync.sync.Sync import Sync