feat: meaningful error message for bad credentials

reddit/subreddit.py

@@ -1,5 +1,7 @@
 import re
 
+from prawcore.exceptions import ResponseException
+
 from utils import settings
 import praw
 from praw.models import MoreComments
@@ -29,6 +31,7 @@ def get_subreddit_threads(POST_ID: str):
     username = settings.config["reddit"]["creds"]["username"]
     if str(username).casefold().startswith("u/"):
         username = username[2:]
+    try:
         reddit = praw.Reddit(
             client_id=settings.config["reddit"]["creds"]["client_id"],
             client_secret=settings.config["reddit"]["creds"]["client_secret"],
@@ -37,6 +40,12 @@ def get_subreddit_threads(POST_ID: str):
             passkey=passkey,
             check_for_async=False,
         )
+    except ResponseException as e:
+        match e.response.status_code:
+            case 401:
+                print("Invalid credentials - please check them in config.toml")
+    except:
+        print("Something went wrong...")
 
     # Ask user for subreddit input
     print_step("Getting subreddit threads...")