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author | 2022-11-23 12:18:31 -0800 | |
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committer | 2022-11-23 12:18:31 -0800 | |
commit | 6364dfd60466f80fc646da4dece454579213d3da (patch) | |
tree | 786ee6288cd0a7e02bd5480a1d12972bf8ccd796 | |
parent | Merge pull request #800 from python-discord/dependabot/pip/httpx-0.23.1 (diff) | |
parent | Merge branch 'main' into discordpy-error-handling (diff) |
Merge pull request #765 from Robin5605/discordpy-error-handling
-rw-r--r-- | pydis_site/apps/content/resources/guides/python-guides/proper-error-handling.md | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/pydis_site/apps/content/resources/guides/python-guides/proper-error-handling.md b/pydis_site/apps/content/resources/guides/python-guides/proper-error-handling.md new file mode 100644 index 00000000..74b0f59b --- /dev/null +++ b/pydis_site/apps/content/resources/guides/python-guides/proper-error-handling.md @@ -0,0 +1,70 @@ +--- +title: Proper error handling in discord.py +description: Are you not getting any errors? This might be why! +--- +If you're not recieving any errors in your console, even though you know you should be, try this: + +# With bot subclass: +```py +import discord +from discord.ext import commands + +import traceback +import sys + +class MyBot(commands.Bot): + + def __init__(self, *args, **kwargs): + super().__init__(*args, **kwargs) + + async def on_command_error(self, ctx: commands.Context, error): + # Handle your errors here + if isinstance(error, commands.MemberNotFound): + await ctx.send("I could not find member '{error.argument}'. Please try again") + + elif isinstance(error, commands.MissingRequiredArgument): + await ctx.send(f"'{error.param.name}' is a required argument.") + else: + # All unhandled errors will print their original traceback + print(f'Ignoring exception in command {ctx.command}:', file=sys.stderr) + traceback.print_exception(type(error), error, error.__traceback__, file=sys.stderr) + +bot = MyBot(command_prefix="!", intents=discord.Intents.default()) + +bot.run("token") +``` + +# Without bot subclass +```py +import discord +from discord.ext import commands + +import traceback +import sys + +async def on_command_error(self, ctx: commands.Context, error): + # Handle your errors here + if isinstance(error, commands.MemberNotFound): + await ctx.send("I could not find member '{error.argument}'. Please try again") + + elif isinstance(error, commands.MissingRequiredArgument): + await ctx.send(f"'{error.param.name}' is a required argument.") + else: + # All unhandled errors will print their original traceback + print(f'Ignoring exception in command {ctx.command}:', file=sys.stderr) + traceback.print_exception(type(error), error, error.__traceback__, file=sys.stderr) + +bot = commands.Bot(command_prefix="!", intents=discord.Intents.default()) +bot.on_command_error = on_command_error + +bot.run("token") +``` + + +Make sure to import `traceback` and `sys`! + +------------------------------------------------------------------------------------------------------------- + +Useful Links: +- [FAQ](https://discordpy.readthedocs.io/en/latest/faq.html) +- [Simple Error Handling](https://gist.github.com/EvieePy/7822af90858ef65012ea500bcecf1612) |