From 77159cf5d1f84339d7acdb25845b13c66ae6a111 Mon Sep 17 00:00:00 2001
From: coconup <a.canedoli@gmail.com>
Date: Mon, 19 Feb 2024 14:30:45 +0100
Subject: [PATCH] handling empty strings in environment variables + case when
 some vars are not set

---
 main.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/main.py b/main.py
index ada25a7..4cf49c6 100644
--- a/main.py
+++ b/main.py
@@ -182,8 +182,10 @@ async def main():
 
     # import env vars from addon_main.sh
     for k, en in dict(mqtt_broker='MQTT_HOST', mqtt_user='MQTT_USER', mqtt_password='MQTT_PASSWORD').items():
-        if not user_config.get(k) and os.environ.get(en):
-            user_config[k] = os.environ[en]
+        env_value = os.environ.get(en)
+        if env_value is not None or k not in user_config:
+            logger.info(f"Setting {k} to user_config: {env_value}")
+            user_config[k] = env_value
 
     if user_config.get('mqtt_broker'):
         port_idx = user_config.mqtt_broker.rfind(':')