✨ - Spellchecker for wrong commands

python/ext/cmd_lol.py

@@ -2,7 +2,6 @@ import discord
 import asyncio
 from discord.ext import commands
 from discord.ext.commands.cooldowns import BucketType
-from private import TOKEN_RIOT
 from api_riot import rank_track, what_player, last_match
 
 CD_LOLRANK = 0

python/main.py

@@ -2,6 +2,7 @@ from private import TOKEN_BOT
 from time import time
 from datetime import datetime
 from discord.ext import commands
+from miscellaneous import spellchecker
 import discord
 
 
@@ -22,7 +23,10 @@ async def on_ready():
 @bot.event
 async def on_command_error(ctx, error):
     print(datetime.now().strftime("[%H:%M:%S]") + ' \'' + str(error) + '\' from ' + str(ctx.author) + ' on ' + ctx.message.guild.name + '.')
-    await ctx.send(error)
+    if isinstance(error, commands.CommandNotFound):
+        await ctx.send(spellchecker(str(ctx.message.content)[1:]))
+    else:
+        await ctx.send(error)
 
 
 @bot.command(hidden=True, ignore_extra=False)

python/miscellaneous.py

@@ -0,0 +1,33 @@
+def all_maximum(lst):
+    lst_result = []
+    nbmax = max(lst)
+    for i, j in enumerate(lst):
+        if j == nbmax:
+            lst_result.append(i)
+    return lst_result
+
+
+def spellchecker(word):
+    lst = ['osu_acc','osu_lastgame','osu_profile','lol_rank','lol_lastgame','chat_set','chat_stop','issou','help']
+    probs = []
+    wo_size = len(word)
+    for element in lst:
+        prob = 0
+        el_size = len(element)
+        for car in element:
+            for c in word:
+                if car == c:
+                    prob += 1
+        for i in range(4):
+            if el_size == wo_size - i:
+                prob += 4-i
+        probs.append(prob)
+    lst_maxs = all_maximum(probs)
+    str_words = 'This command does not seems to exist, did you mean :\n'
+    for indice in lst_maxs:
+        str_words += '$' + lst[indice] + ' ?\n'
+    return str_words
+
+
+if __name__ == '__main__':
+    main()