From 6d4457aab49c4b68f0cc63bf5a5edebf292c2891 Mon Sep 17 00:00:00 2001
From: TronoSfera <119615520+TronoSfera@users.noreply.github.com>
Date: Mon, 19 Jan 2026 11:35:53 +0300
Subject: [PATCH] Handle connection errors during client login

---
 client/main.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/client/main.py b/client/main.py
index 3d2ec83..d9fe69f 100644
--- a/client/main.py
+++ b/client/main.py
@@ -139,7 +139,13 @@ class BackupClient:
         url = f"{self.server_url}/api/login"
         data = {"username": self.username, "password": self.password}
         # Use form-encoded data as required by OAuth2PasswordRequestForm
-        response = requests.post(url, data=data)
+        try:
+            response = requests.post(url, data=data)
+        except requests.exceptions.RequestException as exc:
+            raise RuntimeError(
+                "Failed to connect to the backup server. "
+                f"Verify the server is running and SERVER_URL is correct ({self.server_url})."
+            ) from exc
         if response.status_code != 200:
             raise RuntimeError(f"Failed to login: {response.text}")
         token = response.json()["access_token"]