fix getting image

problematic: if " is used in env file it lead them in enviroment variable, so, they should be striped in python code then

checker that a valid image acliable in MAP_URL

verbosity added to black

.github/workflows/release.yml

@@ -28,7 +28,7 @@ jobs:
 
       # - name: Lint Python code with black
       #   run: |
-      #     black --check --skip-string-normalization --line-length 120 bot
+      #     black --check --verbose --skip-string-normalization --line-length 120 bot
 
       - name: Lint Python code
         run: |

Dockerfile.black

@@ -2,4 +2,4 @@ FROM python:3.12-slim
 
 RUN python -m pip install requests~=2.31.0 python-dotenv~=1.0.1 pytz==2024.1 black==24.3.0 pylint==3.1.0
 
-CMD [ "black", "--skip-string-normalization", "--line-length", "120", "bot" ]
+CMD [ "black", "--skip-string-normalization", "--verbose", "--line-length", "120", "bot" ]

bot/main.py

@@ -130,9 +130,29 @@
 if MAP == "true" and not MAP_URL:
     logger.warning("MAP_URL is not defined in .env file, using a default URL http://alerts.net.ua/alerts_map.png")
     MAP_URL = "http://alerts.net.ua/alerts_map.png"
+else:
+    MAP_URL = MAP_URL.strip('"')
+    # ensure that MAP_URL is a valid URL with image (based on Content-Type)
+    try:
+        resp = requests.head(MAP_URL, timeout=15)
+        resp.raise_for_status()
+        if not resp.headers.get("Content-Type") or not resp.headers.get("Content-Type").startswith("image/"):
+            logger.error("MAP_URL is not a valid URL with image, set MAP to false")
+            MAP = "false"
+            del resp
+    except requests.exceptions.RequestException as err:
+        logger.error(f"Error while checking MAP_URL: {err}, set MAP to false")
+        MAP = "false"
+        del err
+
+if MAP == "true":
+    LOG_MAP = "MAP_URL is " + MAP_URL
+else:
+    LOG_MAP = "MAP is false"
 
-logger.info(f"Bot started with CHAT_ID: {CHAT_ID} and SLIENT: {SLIENT}")
+logger.info(f"Bot started with CHAT_ID: {CHAT_ID}, SLIENT: {SLIENT} and {LOG_MAP}")
 logger.info(f"Following regions will be monitored: {REGION_LIST}")
+del LOG_MAP
 
 
 def get_data():