Refine queue page polling

queue_jobs.py

@@ -798,6 +798,10 @@ class DownloadQueue:
             "pages": pages,
         }
 
+    def get(self, job_id):
+        with self.lock:
+            return self._find(job_id)
+
     def add(self, payload):
         job = build_job(payload, self.config_getter())
         if self.job_prepare_fn is not None: