Add logging with loguru

discord_rss_bot/settings.py

@@ -1,15 +1,15 @@
-import logging
 import os
 
+from loguru import logger
 from platformdirs import user_data_dir
 from reader import Entry, Reader, TagNotFoundError, make_reader  # type: ignore
 
-logging_format: str = "[%(asctime)s] [%(funcName)s:%(lineno)d] %(message)s"
-logging.basicConfig(level=logging.INFO, format=logging_format)
 data_dir: str = user_data_dir(appname="discord_rss_bot", appauthor="TheLovinator", roaming=True)
 os.makedirs(data_dir, exist_ok=True)
+logger.info(f"Data directory: {data_dir}")
 
 default_custom_message: str = "{{entry_title}}\n{{entry_link}}"
+logger.debug(f"Default custom message: {default_custom_message}")
 
 
 def get_webhook_for_entry(custom_reader: Reader, entry: Entry) -> str:
@@ -28,11 +28,12 @@ def get_webhook_for_entry(custom_reader: Reader, entry: Entry) -> str:
 
     # Get the webhook from the feed.
     # Is None if not found or error.
-    webhook_url: str
     try:
-        webhook_url = str(reader.get_tag(entry.feed_url, "webhook"))
+        webhook_url: str = str(reader.get_tag(entry.feed_url, "webhook"))
+        logger.debug(f"Webhook for {entry.title}: {webhook_url}")
     except TagNotFoundError:
         webhook_url = ""
+        logger.error(f"Could not find webhook for {entry.title}.")
 
     return webhook_url
 
@@ -47,7 +48,11 @@ def get_db_location(custom_location: str = "") -> str:
         The database location.
     """
     # Use the custom location if it is provided.
-    return custom_location or os.path.join(data_dir, "db.sqlite")
+    logger.debug(f"Custom location: {custom_location}")
+    db_loc: str = custom_location or os.path.join(data_dir, "db.sqlite")
+
+    logger.debug(f"Database location: {db_loc}")
+    return db_loc
 
 
 def get_reader(custom_location: str = "") -> Reader:
@@ -57,7 +62,15 @@ def get_reader(custom_location: str = "") -> Reader:
         custom_location: The location of the database file.
 
     """
+    logger.debug(f"Custom location: {custom_location}")
+
     db_location: str = get_db_location(custom_location)
+    logger.debug(f"Database location: {db_location}")
+
+    if not os.path.exists(db_location):
+        logger.error("Database does not exist.")
+        raise FileNotFoundError("Database does not exist.")
+
     return make_reader(url=db_location)
 
 
@@ -79,5 +92,9 @@ def list_webhooks(reader: Reader) -> list[dict[str, str]]:
             # Check if the tag is named webhooks
             if tag == "webhooks":
                 webhooks = reader.get_tag((), "webhooks")  # type: ignore
+            else:
+                logger.debug(f"Tag {tag} is not webhooks.")
             break
+
+    logger.debug(f"Webhooks: {webhooks}")
     return webhooks