Add check when adding a new sound, add readme and rename main file

README.md

@@ -0,0 +1,2 @@
+usage:
+  ./toitadesbot.py TOKEN

toitadesbot.py

@@ -11,7 +11,7 @@ from pydub import AudioSegment
 from discord.ext import commands
 
 if len(sys.argv) < 2:
-    print("./main.py TOKEN")
+    print("./toitadesbot.py TOKEN")
     exit(1)
 
 sounds_folder = 'Sounds'
@@ -36,8 +36,11 @@ async def play(ctx, arg):
 
 @bot.command()
 async def add(ctx, name, url, start, end):
+    if os.path.isfile(computePath(name)):
+        await ctx.send("Ce nom est déjà utilisé, merci d'en choisir un autre.")
+        return
     downloadAndCutVideo(url, name, start, end)
-    await ctx.send("Téléchargé !")
+    await play(name)
 
 @bot.command()
 async def remove(ctx, name):
@@ -62,12 +65,11 @@ def downloadAndCutVideo(url, filename, start = -1, end = -1):
     tmpFilename = filename + "tmp"
     downloadVideo(url, tmpFilename)
     song = AudioSegment.from_mp3(computePath(tmpFilename))
-
     if start != -1:
         start = start * 1000
     if end != -1:
         end = end * 1000
-    cutted_song = song[start:end].export(computePath(filename), format="mp3")
+    song[start:end].export(computePath(filename), format="mp3")
     os.remove(computePath(tmpFilename))
 
 def downloadVideo(url, filename):