From 9cce9dfe465942c487469d36e77ac2137c90d493 Mon Sep 17 00:00:00 2001
From: wyzula-jan <jan.wyzula@psi.ch>
Date: Thu, 15 Oct 2026 14:42:54 +0000
Subject: [PATCH] refactor(utils): remove unused QtRedisMessageWaiter

---
 bec_widgets/utils/redis_message_waiter.py | 49 -----------------------
 1 file changed, 49 deletions(-)
 delete mode 100644 bec_widgets/utils/redis_message_waiter.py

diff --git a/bec_widgets/utils/redis_message_waiter.py b/bec_widgets/utils/redis_message_waiter.py
deleted file mode 100644
index 3ca7801b..00000000
--- a/bec_widgets/utils/redis_message_waiter.py
+++ /dev/null
@@ -1,49 +0,0 @@
-from bec_lib.serialization import MsgpackSerialization
-from bec_lib.utils import lazy_import_from
-from qtpy.QtCore import QEventLoop, QSocketNotifier, QTimer
-
-MessageObject = lazy_import_from("bec_lib.connector", ("MessageObject",))
-
-
-class QtRedisMessageWaiter:
-    def __init__(self, redis_connector, message_to_wait):
-        self.ev_loop = QEventLoop()
-        self.response = None
-        self.connector = redis_connector
-        self.message_to_wait = message_to_wait
-        # Access the managed (buffered) connection directly; the connector-level
-        # _redis_conn accessor is deprecated in bec_lib.
-        self.pubsub = redis_connector._managed_connection._redis_conn.pubsub()
-        self.pubsub.subscribe(self.message_to_wait.endpoint)
-        fd = self.pubsub.connection._sock.fileno()
-        self.notifier = QSocketNotifier(fd, QSocketNotifier.Read)
-        self.notifier.activated.connect(self._pubsub_readable)
-
-    def _msg_received(self, msg_obj):
-        self.response = msg_obj.value
-        self.ev_loop.quit()
-
-    def wait(self, timeout=1):
-        timer = QTimer()
-        timer.singleShot(timeout * 1000, self.ev_loop.quit)
-        self.ev_loop.exec_()
-        timer.stop()
-        self.notifier.setEnabled(False)
-        self.pubsub.close()
-        return self.response
-
-    def _pubsub_readable(self, fd):
-        while True:
-            msg = self.pubsub.get_message()
-            if msg:
-                if msg["type"] == "subscribe":
-                    # get_message buffers, so we may already have the answer
-                    # let's check...
-                    continue
-                else:
-                    break
-            else:
-                return
-        channel = msg["channel"].decode()
-        msg = MessageObject(topic=channel, value=MsgpackSerialization.loads(msg["data"]))
-        self.connector._execute_callback(self._msg_received, msg, {})