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[commands] Allow setting the bot error messages in the help command.

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This is to help out those folks that don't speak English.
This commit is contained in:
Rapptz 2016-01-23 04:00:41 -05:00
parent bb5e222f29
commit d013032522
1 changed files with 15 additions and 4 deletions
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19
discord/ext/commands/bot.py
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@ -69,7 +69,7 @@ def _default_help_command(ctx, *commands : str):
else:
command = bot.commands.get(name)
if command is None:
yield from bot.send_message(destination, 'No command called "{}" found.'.format(name))
yield from bot.send_message(destination, bot.command_not_found.format(name))
return
pages = bot.formatter.format_help_for(ctx, command)
@ -77,17 +77,17 @@ def _default_help_command(ctx, *commands : str):
name = commands[0]
command = bot.commands.get(name)
if command is None:
yield from bot.send_message(destination, 'No command called "{}" found.'.format(name))
yield from bot.send_message(destination, bot.command_not_found.format(name))
return
for key in commands[1:]:
try:
command = command.commands.get(key)
if command is None:
yield from bot.send_message(destination, 'No command called "{}" found.'.format(key))
yield from bot.send_message(destination, bot.command_not_found.format(key))
return
except AttributeError:
yield from bot.send_message(destination, 'Command "{0.name}" has no subcommands.'.format(command))
yield from bot.send_message(destination, bot.command_has_no_subcommands.format(command, key))
return
pages = bot.formatter.format_help_for(ctx, command)
@ -147,6 +147,15 @@ class Bot(GroupMixin, discord.Client):
the implementation of the command. The attributes will be the same as the
ones passed in the :class:`Command` constructor. Note that ``pass_context``
will always be set to ``True`` regardless of what you pass in.
command_not_found : str
The format string used when the help command is invoked with a command that
is not found. Useful for i18n. Defaults to ``"No command called {} found."``.
The only format argument is the name of the command passed.
command_has_no_subcommands : str
The format string used when the help command is invoked with requests for a
subcommand but the command does not have any subcommands. Defaults to
``"Command {0.name} has no subcommands."``. The first format argument is the
:class:`Command` attempted to get a subcommand and the second is the name.
"""
def __init__(self, command_prefix, formatter=None, description=None, pm_help=False, **options):
super().__init__(**options)
@ -156,6 +165,8 @@ class Bot(GroupMixin, discord.Client):
self.extensions = {}
self.description = inspect.cleandoc(description) if description else ''
self.pm_help = pm_help
self.command_not_found = options.pop('command_not_found', 'No command called "{}" found.')
self.command_has_no_subcommands = options.pop('command_has_no_subcommands', 'Command {0.name} has no subcommands.')
self.help_attrs = options.pop('help_attrs', {})
self.help_attrs['pass_context'] = True