matthew/enhanced-discord.py
1
0
Fork 0
Code Issues 4 Pull Requests 21 Projects Releases Wiki Activity

[commands] Add Command/Cog.has_error_handler

Browse Source 
This allows querying the state without relying on internal undocumented
attributes.
This commit is contained in:
Rapptz 2021-01-15 06:00:28 -05:00
parent 73a783cd6b
commit b9a99238e8
2 changed files with 14 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
discord/ext/commands/cog.py
View File

@ -296,6 +296,13 @@ class Cog(metaclass=CogMeta):
return func return func
return decorator return decorator
def has_error_handler(self):
""":class:`bool`: Checks whether the cog has an error handler.
.. versionadded:: 1.7
"""
return hasattr(self.cog_command_error.__func__, '__cog_special_method__')
@_cog_special_method @_cog_special_method
def cog_unload(self): def cog_unload(self):
"""A special method that is called when the cog gets removed. """A special method that is called when the cog gets removed.

7
discord/ext/commands/core.py
View File

@ -904,6 +904,13 @@ class Command(_BaseCommand):
self.on_error = coro self.on_error = coro
return coro return coro
def has_error_handler(self):
""":class:`bool`: Checks whether the command has an error handler registered.
.. versionadded:: 1.7
"""
return hasattr(self, 'on_error')
def before_invoke(self, coro): def before_invoke(self, coro):
"""A decorator that registers a coroutine as a pre-invoke hook. """A decorator that registers a coroutine as a pre-invoke hook.