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[commands] Fix exception raised in Command invoke hooks.

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Josh
2020-09-10 09:47:05 +10:00
committed by Rapptz
parent 4205b3f88a
commit c31da1b23d
1 changed files with 11 additions and 19 deletions
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20
discord/ext/commands/core.py
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@@ -715,18 +715,14 @@ class Command(_BaseCommand):
# first, call the command local hook: # first, call the command local hook:
cog = self.cog cog = self.cog
if self._before_invoke is not None: if self._before_invoke is not None:
try:
instance = self._before_invoke.__self__
# should be cog if @commands.before_invoke is used # should be cog if @commands.before_invoke is used
except AttributeError: instance = getattr(self._before_invoke, '__self__', cog)
# __self__ only exists for methods, not functions # __self__ only exists for methods, not functions
# however, if @command.before_invoke is used, it will be a function # however, if @command.before_invoke is used, it will be a function
if self.cog: if instance:
await self._before_invoke(cog, ctx) await self._before_invoke(instance, ctx)
else: else:
await self._before_invoke(ctx) await self._before_invoke(ctx)
else:
await self._before_invoke(instance, ctx)
# call the cog local hook if applicable: # call the cog local hook if applicable:
if cog is not None: if cog is not None:
@@ -742,15 +738,11 @@ class Command(_BaseCommand):
async def call_after_hooks(self, ctx): async def call_after_hooks(self, ctx):
cog = self.cog cog = self.cog
if self._after_invoke is not None: if self._after_invoke is not None:
try: instance = getattr(self._after_invoke, '__self__', cog)
instance = self._after_invoke.__self__ if instance:
except AttributeError: await self._after_invoke(instance, ctx)
if self.cog:
await self._after_invoke(cog, ctx)
else: else:
await self._after_invoke(ctx) await self._after_invoke(ctx)
else:
await self._after_invoke(instance, ctx)
# call the cog local hook if applicable: # call the cog local hook if applicable:
if cog is not None: if cog is not None: