Merge pull request #14 from isidentical/patch-2

get rid of itertools, reply with the matched case

bot.py

@@ -1,7 +1,6 @@
 import argparse
 import asyncio
 import datetime
-import itertools
 import json
 import random
 import re
@@ -321,12 +320,9 @@ def msg_ping(match: Match[str]) -> Response:
 @handle_message(r'.*\b(nano|linux|windows|emacs)\b', flags=re.IGNORECASE)
 def msg_gnu_please(match: Match[str]) -> Response:
     msg, word = match[3], match[4]
-    cases = {
-        f'{gnu}{sep}{word}'
-        for gnu, sep in itertools.product(('gnu', 'GNU'), '/+')
-    }
-    if msg in cases:
-        return MessageResponse(match, f'YES! GNU/{esc(word)}')
+    query = re.match(fr'gnu[/+]{word}', msg, flags=re.IGNORECASE)
+    if query:
+        return MessageResponse(match, f'YES! {query.match(0)}')
     else:
         return MessageResponse(match, f"Um please, it's GNU/{esc(word)}!")