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[commands] Cleanup Command.invoke code due to exception propagation.

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This commit is contained in:
Rapptz 2016-06-04 21:41:01 -04:00
parent 33a69681fc
commit 24a9da04db
1 changed files with 8 additions and 14 deletions
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22
discord/ext/commands/core.py
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@ -352,7 +352,6 @@ class Command:
args.append(transformed)
except RuntimeError:
break
return True
def _verify_checks(self, ctx):
if not self.enabled:
@ -363,16 +362,13 @@ class Command:
if not self.can_run(ctx):
raise CheckFailure('The check functions for command {0.name} failed.'.format(self))
return True
@asyncio.coroutine
def invoke(self, ctx):
if not self._verify_checks(ctx):
return
if (yield from self._parse_arguments(ctx)):
injected = inject_context(ctx, self.callback)
yield from injected(*ctx.args, **ctx.kwargs)
self._verify_checks(ctx)
yield from self._parse_arguments(ctx)
injected = inject_context(ctx, self.callback)
yield from injected(*ctx.args, **ctx.kwargs)
def error(self, coro):
"""A decorator that registers a coroutine as a local error handler.
@ -587,9 +583,8 @@ class Group(GroupMixin, Command):
def invoke(self, ctx):
early_invoke = not self.invoke_without_command
if early_invoke:
valid = self._verify_checks(ctx) and (yield from self._parse_arguments(ctx))
if not valid:
return
self._verify_checks(ctx)
yield from self._parse_arguments(ctx)
view = ctx.view
previous = view.index
@ -612,9 +607,8 @@ class Group(GroupMixin, Command):
# undo the trigger parsing
view.index = previous
view.previous = previous
valid = self._verify_checks(ctx) and (yield from self._parse_arguments(ctx))
if not valid:
return
self._verify_checks(ctx)
yield from self._parse_arguments(ctx)
injected = inject_context(ctx, self.callback)
yield from injected(*ctx.args, **ctx.kwargs)