39 lines
1.4 KiB
Python
39 lines
1.4 KiB
Python
# © 2018–2020 io mintz <io@mintz.cc>
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#
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# Emote Manager is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# Emote Manager is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with Emote Manager. If not, see <https://www.gnu.org/licenses/>.
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import functools
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from discord.ext.commands import BadArgument
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_emote_type_predicates = {
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'all': lambda _: True,
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'static': lambda e: not e.animated,
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'animated': lambda e: e.animated}
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# this is kind of a hack to ensure that the last argument is always converted, even if the default is used.
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def emote_type_filter_default(command):
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old_callback = command.callback
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@functools.wraps(old_callback)
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async def callback(self, ctx, *args):
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image_type = args[-1]
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try:
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image_type = _emote_type_predicates[image_type]
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except KeyError:
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raise BadArgument(f'Invalid emote type. Specify one of "all", "static", or "animated".')
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return await old_callback(self, ctx, *args[:-1], image_type)
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command.callback = callback
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return command
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