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Feat/error handler #5

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Merged
trynogaunt merged 2 commits into from
Feb 5, 2026
Merged

Feat/error handler #5

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4c52c42
Add error handling for app commands and log relevant messages
trynogaunt Feb 5, 2026
8dd2522
Fix logging setup and disable log handler in bot.run()
trynogaunt Feb 5, 2026
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38 changes: 36 additions & 2 deletions bot/core/app.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,11 +2,13 @@

import logging
import os
import sys
from datetime import date
from logging.handlers import RotatingFileHandler
from pathlib import Path

import discord
from discord import app_commands
from discord.ext import commands
from dotenv import load_dotenv

Expand All @@ -25,7 +27,10 @@ def setup_logging(level: str = "INFO") -> None:
root.setLevel(getattr(logging, level.upper(), logging.INFO))
root.handlers.clear()

sh = logging.StreamHandler()
# Redirect stderr to stdout to fix Railway logging issues
sys.stderr = sys.stdout

sh = logging.StreamHandler(sys.stdout)
sh.setFormatter(fmt)
root.addHandler(sh)

Expand Down Expand Up @@ -57,6 +62,35 @@ async def setup_hook(self) -> None:
synced = await self.tree.sync(guild=self.guild)
logging.getLogger(__name__).info("Synced %d commands to guild %s", len(synced), self.guild.id)

async def on_tree_error(self, interaction: discord.Interaction, error: app_commands.AppCommandError) -> None:

if isinstance(error, app_commands.CommandOnCooldown):
logging.getLogger(__name__).warning(f"Command on cooldown {interaction.command}: {error}")
await interaction.response.send_message(
f"⏳ Cette commande est en cooldown. Réessaie dans {error.retry_after:.1f} secondes.",
ephemeral=True,
)
return

if isinstance(error, app_commands.MissingPermissions):
logging.getLogger(__name__).warning(f"Missing permissions for command {interaction.command}: {error}")
await interaction.response.send_message(
"❌ Tu n'as pas les permissions nécessaires pour utiliser cette commande.", ephemeral=True
)
return

if isinstance(error, app_commands.CheckFailure):
logging.getLogger(__name__).warning(f"Check failed for command {interaction.command}: {error}")
await interaction.response.send_message(
"❌ Tu ne remplis pas les conditions pour utiliser cette commande.", ephemeral=True
)
return

logging.getLogger(__name__).error(f"Error in command {interaction.command}: {error}")
await interaction.response.send_message(
"❌ Une erreur est survenue lors de l'exécution de la commande.", ephemeral=True
)


def main() -> None:
setup_logging(level=os.getenv("LOG_LEVEL", "INFO"))
Expand All @@ -69,7 +103,7 @@ def main() -> None:
bot = BotApp(guild_id=env.guild_id)
bot.config = config

bot.run(env.discord_token)
bot.run(env.discord_token, log_handler=None)


if __name__ == "__main__":
Expand Down