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interaction_bot_base.py
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interaction_bot_base.py
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# SPDX-License-Identifier: MIT
from __future__ import annotations
import asyncio
import logging
import sys
import traceback
import warnings
from itertools import chain
from typing import (
TYPE_CHECKING,
Any,
Callable,
Dict,
Iterable,
List,
Optional,
Sequence,
Set,
Tuple,
TypedDict,
TypeVar,
Union,
)
import disnake
from disnake.app_commands import ApplicationCommand, Option
from disnake.custom_warnings import SyncWarning
from disnake.enums import ApplicationCommandType
from disnake.utils import warn_deprecated
from . import errors
from .base_core import InvokableApplicationCommand
from .common_bot_base import CommonBotBase
from .ctx_menus_core import (
InvokableMessageCommand,
InvokableUserCommand,
message_command,
user_command,
)
from .errors import CommandRegistrationError
from .flags import CommandSyncFlags
from .slash_core import InvokableSlashCommand, SubCommand, SubCommandGroup, slash_command
if TYPE_CHECKING:
from typing_extensions import NotRequired, ParamSpec
from disnake.i18n import LocalizedOptional
from disnake.interactions import (
ApplicationCommandInteraction,
MessageCommandInteraction,
UserCommandInteraction,
)
from disnake.permissions import Permissions
from ._types import AppCheck, CoroFunc
from .base_core import CogT, CommandCallback, InteractionCommandCallback
P = ParamSpec("P")
__all__ = ("InteractionBotBase",)
MISSING: Any = disnake.utils.MISSING
T = TypeVar("T")
CFT = TypeVar("CFT", bound="CoroFunc")
_log = logging.getLogger(__name__)
class _Diff(TypedDict):
no_changes: List[ApplicationCommand]
upsert: List[ApplicationCommand]
edit: List[ApplicationCommand]
delete: List[ApplicationCommand]
delete_ignored: NotRequired[List[ApplicationCommand]]
def _get_to_send_from_diff(diff: _Diff):
return diff["no_changes"] + diff["upsert"] + diff["edit"] + diff.get("delete_ignored", [])
def _app_commands_diff(
new_commands: Iterable[ApplicationCommand],
old_commands: Iterable[ApplicationCommand],
) -> _Diff:
new_cmds = {(cmd.name, cmd.type): cmd for cmd in new_commands}
old_cmds = {(cmd.name, cmd.type): cmd for cmd in old_commands}
diff: _Diff = {
"no_changes": [],
"upsert": [],
"edit": [],
"delete": [],
}
for name_and_type, new_cmd in new_cmds.items():
old_cmd = old_cmds.get(name_and_type)
if old_cmd is None:
diff["upsert"].append(new_cmd)
elif new_cmd._always_synced:
diff["no_changes"].append(old_cmd)
continue
elif new_cmd != old_cmd:
diff["edit"].append(new_cmd)
else:
diff["no_changes"].append(new_cmd)
for name_and_type, old_cmd in old_cmds.items():
if name_and_type not in new_cmds:
diff["delete"].append(old_cmd)
return diff
_diff_map = {
"upsert": "To upsert:",
"edit": "To edit:",
"delete": "To delete:",
"no_changes": "No changes:",
"delete_ignored": "Ignored due to delete flags:",
}
def _format_diff(diff: _Diff) -> str:
lines: List[str] = []
for key, label in _diff_map.items():
if key not in diff:
continue
lines.append(label)
if changes := diff[key]:
lines.extend(f" <{type(cmd).__name__} name={cmd.name!r}>" for cmd in changes)
else:
lines.append(" -")
return "\n".join(f"| {line}" for line in lines)
class InteractionBotBase(CommonBotBase):
def __init__(
self,
*,
command_sync_flags: Optional[CommandSyncFlags] = None,
sync_commands: bool = MISSING,
sync_commands_debug: bool = MISSING,
sync_commands_on_cog_unload: bool = MISSING,
test_guilds: Optional[Sequence[int]] = None,
**options: Any,
) -> None:
if test_guilds and not all(isinstance(guild_id, int) for guild_id in test_guilds):
raise ValueError("test_guilds must be a sequence of int.")
super().__init__(**options)
test_guilds = None if test_guilds is None else tuple(test_guilds)
self._test_guilds: Optional[Tuple[int, ...]] = test_guilds
if command_sync_flags is not None and (
sync_commands is not MISSING
or sync_commands_debug is not MISSING
or sync_commands_on_cog_unload is not MISSING
):
raise TypeError(
"cannot set 'command_sync_flags' and any of 'sync_commands', 'sync_commands_debug', 'sync_commands_on_cog_unload' at the same time."
)
if command_sync_flags is not None:
# this makes a copy so it cannot be changed after setting
command_sync_flags = CommandSyncFlags._from_value(command_sync_flags.value)
if command_sync_flags is None:
command_sync_flags = CommandSyncFlags.default()
if sync_commands is not MISSING:
warn_deprecated(
"sync_commands is deprecated and will be removed in a future version. "
"Use `command_sync_flags` with an `CommandSyncFlags` instance as a replacement.",
stacklevel=3,
)
command_sync_flags.sync_commands = sync_commands
if sync_commands_debug is not MISSING:
warn_deprecated(
"sync_commands_debug is deprecated and will be removed in a future version. "
"Use `command_sync_flags` with an `CommandSyncFlags` instance as a replacement.",
stacklevel=3,
)
command_sync_flags.sync_commands_debug = sync_commands_debug
if sync_commands_on_cog_unload is not MISSING:
warn_deprecated(
"sync_commands_on_cog_unload is deprecated and will be removed in a future version. "
"Use `command_sync_flags` with an `CommandSyncFlags` instance as a replacement.",
stacklevel=3,
)
command_sync_flags.sync_on_cog_actions = sync_commands_on_cog_unload
self._command_sync_flags = command_sync_flags
self._sync_queued: asyncio.Lock = asyncio.Lock()
self._slash_command_checks = []
self._slash_command_check_once = []
self._user_command_checks = []
self._user_command_check_once = []
self._message_command_checks = []
self._message_command_check_once = []
self._before_slash_command_invoke = None
self._after_slash_command_invoke = None
self._before_user_command_invoke = None
self._after_user_command_invoke = None
self._before_message_command_invoke = None
self._after_message_command_invoke = None
self.all_slash_commands: Dict[str, InvokableSlashCommand] = {}
self.all_user_commands: Dict[str, InvokableUserCommand] = {}
self.all_message_commands: Dict[str, InvokableMessageCommand] = {}
@disnake.utils.copy_doc(disnake.Client.login)
async def login(self, token: str) -> None:
self._schedule_app_command_preparation()
await super().login(token)
@property
def command_sync_flags(self) -> CommandSyncFlags:
""":class:`~.CommandSyncFlags`: The command sync flags configured for this bot.
.. versionadded:: 2.7
"""
return CommandSyncFlags._from_value(self._command_sync_flags.value)
def application_commands_iterator(self) -> Iterable[InvokableApplicationCommand]:
return chain(
self.all_slash_commands.values(),
self.all_user_commands.values(),
self.all_message_commands.values(),
)
@property
def application_commands(self) -> Set[InvokableApplicationCommand]:
"""Set[:class:`InvokableApplicationCommand`]: A set of all application commands the bot has."""
return set(self.application_commands_iterator())
@property
def slash_commands(self) -> Set[InvokableSlashCommand]:
"""Set[:class:`InvokableSlashCommand`]: A set of all slash commands the bot has."""
return set(self.all_slash_commands.values())
@property
def user_commands(self) -> Set[InvokableUserCommand]:
"""Set[:class:`InvokableUserCommand`]: A set of all user commands the bot has."""
return set(self.all_user_commands.values())
@property
def message_commands(self) -> Set[InvokableMessageCommand]:
"""Set[:class:`InvokableMessageCommand`]: A set of all message commands the bot has."""
return set(self.all_message_commands.values())
def add_slash_command(self, slash_command: InvokableSlashCommand) -> None:
"""Adds an :class:`InvokableSlashCommand` into the internal list of slash commands.
This is usually not called, instead the :meth:`.slash_command` or
shortcut decorators are used.
Parameters
----------
slash_command: :class:`InvokableSlashCommand`
The slash command to add.
Raises
------
CommandRegistrationError
The slash command is already registered.
TypeError
The slash command passed is not an instance of :class:`InvokableSlashCommand`.
"""
if not isinstance(self, disnake.Client):
raise NotImplementedError("This method is only usable in disnake.Client subclasses")
if not isinstance(slash_command, InvokableSlashCommand):
raise TypeError("The slash_command passed must be an instance of InvokableSlashCommand")
if slash_command.name in self.all_slash_commands:
raise CommandRegistrationError(slash_command.name)
slash_command.body.localize(self.i18n)
self.all_slash_commands[slash_command.name] = slash_command
def add_user_command(self, user_command: InvokableUserCommand) -> None:
"""Adds an :class:`InvokableUserCommand` into the internal list of user commands.
This is usually not called, instead the :meth:`.user_command` or
shortcut decorators are used.
Parameters
----------
user_command: :class:`InvokableUserCommand`
The user command to add.
Raises
------
CommandRegistrationError
The user command is already registered.
TypeError
The user command passed is not an instance of :class:`InvokableUserCommand`.
"""
if not isinstance(self, disnake.Client):
raise NotImplementedError("This method is only usable in disnake.Client subclasses")
if not isinstance(user_command, InvokableUserCommand):
raise TypeError("The user_command passed must be an instance of InvokableUserCommand")
if user_command.name in self.all_user_commands:
raise CommandRegistrationError(user_command.name)
user_command.body.localize(self.i18n)
self.all_user_commands[user_command.name] = user_command
def add_message_command(self, message_command: InvokableMessageCommand) -> None:
"""Adds an :class:`InvokableMessageCommand` into the internal list of message commands.
This is usually not called, instead the :meth:`.message_command` or
shortcut decorators are used.
Parameters
----------
message_command: :class:`InvokableMessageCommand`
The message command to add.
Raises
------
CommandRegistrationError
The message command is already registered.
TypeError
The message command passed is not an instance of :class:`InvokableMessageCommand`.
"""
if not isinstance(self, disnake.Client):
raise NotImplementedError("This method is only usable in disnake.Client subclasses")
if not isinstance(message_command, InvokableMessageCommand):
raise TypeError(
"The message_command passed must be an instance of InvokableMessageCommand"
)
if message_command.name in self.all_message_commands:
raise CommandRegistrationError(message_command.name)
message_command.body.localize(self.i18n)
self.all_message_commands[message_command.name] = message_command
def remove_slash_command(self, name: str) -> Optional[InvokableSlashCommand]:
"""Removes an :class:`InvokableSlashCommand` from the internal list
of slash commands.
Parameters
----------
name: :class:`str`
The name of the slash command to remove.
Returns
-------
Optional[:class:`InvokableSlashCommand`]
The slash command that was removed. If the name is not valid then ``None`` is returned instead.
"""
command = self.all_slash_commands.pop(name, None)
if command is None:
return None
return command
def remove_user_command(self, name: str) -> Optional[InvokableUserCommand]:
"""Removes an :class:`InvokableUserCommand` from the internal list
of user commands.
Parameters
----------
name: :class:`str`
The name of the user command to remove.
Returns
-------
Optional[:class:`InvokableUserCommand`]
The user command that was removed. If the name is not valid then ``None`` is returned instead.
"""
command = self.all_user_commands.pop(name, None)
if command is None:
return None
return command
def remove_message_command(self, name: str) -> Optional[InvokableMessageCommand]:
"""Removes an :class:`InvokableMessageCommand` from the internal list
of message commands.
Parameters
----------
name: :class:`str`
The name of the message command to remove.
Returns
-------
Optional[:class:`InvokableMessageCommand`]
The message command that was removed. If the name is not valid then ``None`` is returned instead.
"""
command = self.all_message_commands.pop(name, None)
if command is None:
return None
return command
def get_slash_command(
self, name: str
) -> Optional[Union[InvokableSlashCommand, SubCommandGroup, SubCommand]]:
"""Works like ``Bot.get_command``, but for slash commands.
If the name contains spaces, then it will assume that you are looking for a :class:`SubCommand` or
a :class:`SubCommandGroup`.
e.g: ``'foo bar'`` will get the sub command group, or the sub command ``bar`` of the top-level slash command
``foo`` if found, otherwise ``None``.
Parameters
----------
name: :class:`str`
The name of the slash command to get.
Raises
------
TypeError
The name is not a string.
Returns
-------
Optional[Union[:class:`InvokableSlashCommand`, :class:`SubCommandGroup`, :class:`SubCommand`]]
The slash command that was requested. If not found, returns ``None``.
"""
if not isinstance(name, str):
raise TypeError(f"Expected name to be str, not {name.__class__}")
chain = name.split()
slash = self.all_slash_commands.get(chain[0])
if slash is None:
return None
if len(chain) == 1:
return slash
elif len(chain) == 2:
return slash.children.get(chain[1])
elif len(chain) == 3:
group = slash.children.get(chain[1])
if isinstance(group, SubCommandGroup):
return group.children.get(chain[2])
def get_user_command(self, name: str) -> Optional[InvokableUserCommand]:
"""Gets an :class:`InvokableUserCommand` from the internal list
of user commands.
Parameters
----------
name: :class:`str`
The name of the user command to get.
Returns
-------
Optional[:class:`InvokableUserCommand`]
The user command that was requested. If not found, returns ``None``.
"""
return self.all_user_commands.get(name)
def get_message_command(self, name: str) -> Optional[InvokableMessageCommand]:
"""Gets an :class:`InvokableMessageCommand` from the internal list
of message commands.
Parameters
----------
name: :class:`str`
The name of the message command to get.
Returns
-------
Optional[:class:`InvokableMessageCommand`]
The message command that was requested. If not found, returns ``None``.
"""
return self.all_message_commands.get(name)
def slash_command(
self,
*,
name: LocalizedOptional = None,
description: LocalizedOptional = None,
dm_permission: Optional[bool] = None,
default_member_permissions: Optional[Union[Permissions, int]] = None,
nsfw: Optional[bool] = None,
options: Optional[List[Option]] = None,
guild_ids: Optional[Sequence[int]] = None,
connectors: Optional[Dict[str, str]] = None,
auto_sync: Optional[bool] = None,
extras: Optional[Dict[str, Any]] = None,
**kwargs: Any,
) -> Callable[[CommandCallback], InvokableSlashCommand]:
"""A shortcut decorator that invokes :func:`~disnake.ext.commands.slash_command` and adds it to
the internal command list.
Parameters
----------
name: Optional[Union[:class:`str`, :class:`.Localized`]]
The name of the slash command (defaults to function name).
.. versionchanged:: 2.5
Added support for localizations.
description: Optional[Union[:class:`str`, :class:`.Localized`]]
The description of the slash command. It will be visible in Discord.
.. versionchanged:: 2.5
Added support for localizations.
options: List[:class:`.Option`]
The list of slash command options. The options will be visible in Discord.
This is the old way of specifying options. Consider using :ref:`param_syntax` instead.
dm_permission: :class:`bool`
Whether this command can be used in DMs.
Defaults to ``True``.
default_member_permissions: Optional[Union[:class:`.Permissions`, :class:`int`]]
The default required permissions for this command.
See :attr:`.ApplicationCommand.default_member_permissions` for details.
.. versionadded:: 2.5
nsfw: :class:`bool`
Whether this command is :ddocs:`age-restricted <interactions/application-commands#agerestricted-commands>`.
Defaults to ``False``.
.. versionadded:: 2.8
auto_sync: :class:`bool`
Whether to automatically register the command. Defaults to ``True``
guild_ids: Sequence[:class:`int`]
If specified, the client will register the command in these guilds.
Otherwise, this command will be registered globally.
connectors: Dict[:class:`str`, :class:`str`]
Binds function names to option names. If the name
of an option already matches the corresponding function param,
you don't have to specify the connectors. Connectors template:
``{"option-name": "param_name", ...}``.
If you're using :ref:`param_syntax`, you don't need to specify this.
extras: Dict[:class:`str`, Any]
A dict of user provided extras to attach to the command.
.. note::
This object may be copied by the library.
.. versionadded:: 2.5
Returns
-------
Callable[..., :class:`InvokableSlashCommand`]
A decorator that converts the provided method into an InvokableSlashCommand, adds it to the bot, then returns it.
"""
def decorator(func: CommandCallback) -> InvokableSlashCommand:
result = slash_command(
name=name,
description=description,
options=options,
dm_permission=dm_permission,
default_member_permissions=default_member_permissions,
nsfw=nsfw,
guild_ids=guild_ids,
connectors=connectors,
auto_sync=auto_sync,
extras=extras,
**kwargs,
)(func)
self.add_slash_command(result)
return result
return decorator
def user_command(
self,
*,
name: LocalizedOptional = None,
dm_permission: Optional[bool] = None,
default_member_permissions: Optional[Union[Permissions, int]] = None,
nsfw: Optional[bool] = None,
guild_ids: Optional[Sequence[int]] = None,
auto_sync: Optional[bool] = None,
extras: Optional[Dict[str, Any]] = None,
**kwargs: Any,
) -> Callable[
[InteractionCommandCallback[CogT, UserCommandInteraction, P]], InvokableUserCommand
]:
"""A shortcut decorator that invokes :func:`~disnake.ext.commands.user_command` and adds it to
the internal command list.
Parameters
----------
name: Optional[Union[:class:`str`, :class:`.Localized`]]
The name of the user command (defaults to function name).
.. versionchanged:: 2.5
Added support for localizations.
dm_permission: :class:`bool`
Whether this command can be used in DMs.
Defaults to ``True``.
default_member_permissions: Optional[Union[:class:`.Permissions`, :class:`int`]]
The default required permissions for this command.
See :attr:`.ApplicationCommand.default_member_permissions` for details.
.. versionadded:: 2.5
nsfw: :class:`bool`
Whether this command is :ddocs:`age-restricted <interactions/application-commands#agerestricted-commands>`.
Defaults to ``False``.
.. versionadded:: 2.8
auto_sync: :class:`bool`
Whether to automatically register the command. Defaults to ``True``.
guild_ids: Sequence[:class:`int`]
If specified, the client will register the command in these guilds.
Otherwise, this command will be registered globally.
extras: Dict[:class:`str`, Any]
A dict of user provided extras to attach to the command.
.. note::
This object may be copied by the library.
.. versionadded:: 2.5
Returns
-------
Callable[..., :class:`InvokableUserCommand`]
A decorator that converts the provided method into an InvokableUserCommand, adds it to the bot, then returns it.
"""
def decorator(
func: InteractionCommandCallback[CogT, UserCommandInteraction, P]
) -> InvokableUserCommand:
result = user_command(
name=name,
dm_permission=dm_permission,
default_member_permissions=default_member_permissions,
nsfw=nsfw,
guild_ids=guild_ids,
auto_sync=auto_sync,
extras=extras,
**kwargs,
)(func)
self.add_user_command(result)
return result
return decorator
def message_command(
self,
*,
name: LocalizedOptional = None,
dm_permission: Optional[bool] = None,
default_member_permissions: Optional[Union[Permissions, int]] = None,
nsfw: Optional[bool] = None,
guild_ids: Optional[Sequence[int]] = None,
auto_sync: Optional[bool] = None,
extras: Optional[Dict[str, Any]] = None,
**kwargs: Any,
) -> Callable[
[InteractionCommandCallback[CogT, MessageCommandInteraction, P]], InvokableMessageCommand
]:
"""A shortcut decorator that invokes :func:`~disnake.ext.commands.message_command` and adds it to
the internal command list.
Parameters
----------
name: Optional[Union[:class:`str`, :class:`.Localized`]]
The name of the message command (defaults to function name).
.. versionchanged:: 2.5
Added support for localizations.
dm_permission: :class:`bool`
Whether this command can be used in DMs.
Defaults to ``True``.
default_member_permissions: Optional[Union[:class:`.Permissions`, :class:`int`]]
The default required permissions for this command.
See :attr:`.ApplicationCommand.default_member_permissions` for details.
.. versionadded:: 2.5
nsfw: :class:`bool`
Whether this command is :ddocs:`age-restricted <interactions/application-commands#agerestricted-commands>`.
Defaults to ``False``.
.. versionadded:: 2.8
auto_sync: :class:`bool`
Whether to automatically register the command. Defaults to ``True``
guild_ids: Sequence[:class:`int`]
If specified, the client will register the command in these guilds.
Otherwise, this command will be registered globally.
extras: Dict[:class:`str`, Any]
A dict of user provided extras to attach to the command.
.. note::
This object may be copied by the library.
.. versionadded:: 2.5
Returns
-------
Callable[..., :class:`InvokableMessageCommand`]
A decorator that converts the provided method into an InvokableMessageCommand, adds it to the bot, then returns it.
"""
def decorator(
func: InteractionCommandCallback[CogT, MessageCommandInteraction, P]
) -> InvokableMessageCommand:
result = message_command(
name=name,
dm_permission=dm_permission,
default_member_permissions=default_member_permissions,
nsfw=nsfw,
guild_ids=guild_ids,
auto_sync=auto_sync,
extras=extras,
**kwargs,
)(func)
self.add_message_command(result)
return result
return decorator
# command synchronisation
def _ordered_unsynced_commands(
self, test_guilds: Optional[Sequence[int]] = None
) -> Tuple[List[ApplicationCommand], Dict[int, List[ApplicationCommand]]]:
global_cmds = []
guilds = {}
for cmd in self.application_commands_iterator():
if not cmd.auto_sync:
cmd.body._always_synced = True
guild_ids = cmd.guild_ids or test_guilds
if guild_ids is None:
global_cmds.append(cmd.body)
continue
for guild_id in guild_ids:
if guild_id not in guilds:
guilds[guild_id] = [cmd.body]
else:
guilds[guild_id].append(cmd.body)
return global_cmds, guilds
async def _cache_application_commands(self) -> None:
if not isinstance(self, disnake.Client):
raise NotImplementedError("This method is only usable in disnake.Client subclasses")
_, guilds = self._ordered_unsynced_commands(self._test_guilds)
# Here we only cache global commands and commands from guilds that are specified in the code.
# They're collected from the "test_guilds" kwarg of commands.InteractionBotBase
# and the "guild_ids" kwarg of the decorators. This is the only way to avoid rate limits.
# If we cache guild commands from everywhere, the limit of invalid requests gets exhausted.
# This is because we don't know the scopes of the app in all guilds in advance, so we'll have to
# catch a lot of "Forbidden" errors, exceeding the limit of 10k invalid requests in 10 minutes (for large bots).
# However, our approach has blind spots. We deal with them in :meth:`process_application_commands`.
try:
commands = await self.fetch_global_commands(with_localizations=True)
self._connection._global_application_commands = {
command.id: command for command in commands
}
except (disnake.HTTPException, TypeError):
pass
for guild_id in guilds:
try:
commands = await self.fetch_guild_commands(guild_id, with_localizations=True)
if commands:
self._connection._guild_application_commands[guild_id] = {
command.id: command for command in commands
}
except (disnake.HTTPException, TypeError):
pass
async def _sync_application_commands(self) -> None:
if not isinstance(self, disnake.Client):
raise NotImplementedError("This method is only usable in disnake.Client subclasses")
if not self._command_sync_flags._sync_enabled or self._is_closed or self.loop.is_closed():
return
# We assume that all commands are already cached.
# Sort all invokable commands between guild IDs:
global_cmds, guild_cmds = self._ordered_unsynced_commands(self._test_guilds)
if self._command_sync_flags.sync_global_commands:
# Update global commands first
diff = _app_commands_diff(
global_cmds, self._connection._global_application_commands.values()
)
if not self._command_sync_flags.allow_command_deletion:
# because allow_command_deletion is disabled, we want to never automatically delete a command
# so we move the delete commands to delete_ignored
diff["delete_ignored"] = diff["delete"]
diff["delete"] = []
update_required = bool(diff["upsert"] or diff["edit"] or diff["delete"])
# Show the difference
self._log_sync_debug(
"Application command synchronization:\n"
"GLOBAL COMMANDS\n"
"===============\n"
f"| Update is required: {update_required}\n{_format_diff(diff)}"
)
if update_required:
# Notice that we don't do any API requests if there're no changes.
to_send = _get_to_send_from_diff(diff)
try:
await self.bulk_overwrite_global_commands(to_send)
except Exception as e:
warnings.warn(
f"Failed to overwrite global commands due to {e}", SyncWarning, stacklevel=1
)
# Same process but for each specified guild individually.
# Notice that we're not doing this for every single guild for optimisation purposes.
# See the note in :meth:`_cache_application_commands` about guild app commands.
if self._command_sync_flags.sync_guild_commands:
for guild_id, cmds in guild_cmds.items():
current_guild_cmds = self._connection._guild_application_commands.get(guild_id, {})
diff = _app_commands_diff(cmds, current_guild_cmds.values())
if not self._command_sync_flags.allow_command_deletion:
# because allow_command_deletion is disabled, we want to never automatically delete a command
# so we move the delete commands to delete_ignored
diff["delete_ignored"] = diff["delete"]
diff["delete"] = []
update_required = bool(diff["upsert"] or diff["edit"] or diff["delete"])
# Show diff
self._log_sync_debug(
"Application command synchronization:\n"
f"COMMANDS IN {guild_id}\n"
"===============================\n"
f"| Update is required: {update_required}\n{_format_diff(diff)}"
)
# Do API requests and cache
if update_required:
to_send = _get_to_send_from_diff(diff)
try:
await self.bulk_overwrite_guild_commands(guild_id, to_send)
except Exception as e:
warnings.warn(
f"Failed to overwrite commands in <Guild id={guild_id}> due to {e}",
SyncWarning,
stacklevel=1,
)
# Last debug message
self._log_sync_debug("Command synchronization task has finished")
def _log_sync_debug(self, text: str) -> None:
if self._command_sync_flags.sync_commands_debug:
# if sync debugging is enabled, *always* output logs
if _log.isEnabledFor(logging.INFO):
# if the log level is `INFO` or higher, use that
_log.info(text)
else:
# if not, nothing would be logged, so just print instead
print(text)
else:
# if debugging is not explicitly enabled, always use the debug log level
_log.debug(text)
async def _prepare_application_commands(self) -> None:
if not isinstance(self, disnake.Client):
raise NotImplementedError("Command sync is only possible in disnake.Client subclasses")
async with self._sync_queued:
await self.wait_until_first_connect()
await self._cache_application_commands()
await self._sync_application_commands()
async def _delayed_command_sync(self) -> None:
if not isinstance(self, disnake.Client):
raise NotImplementedError("This method is only usable in disnake.Client subclasses")
if (
not self._command_sync_flags._sync_enabled
or self._sync_queued.locked()
or not self.is_ready()
or self._is_closed
or self.loop.is_closed()
):
return
# We don't do this task on login or in parallel with a similar task
# Wait a little bit, maybe other cogs are loading
async with self._sync_queued:
await asyncio.sleep(2)
await self._sync_application_commands()
def _schedule_app_command_preparation(self) -> None:
if not isinstance(self, disnake.Client):
raise NotImplementedError("Command sync is only possible in disnake.Client subclasses")
self.loop.create_task(
self._prepare_application_commands(), name="disnake: app_command_preparation"
)
def _schedule_delayed_command_sync(self) -> None:
if not isinstance(self, disnake.Client):
raise NotImplementedError("This method is only usable in disnake.Client subclasses")
self.loop.create_task(self._delayed_command_sync(), name="disnake: delayed_command_sync")
# Error handlers
async def on_slash_command_error(
self, interaction: ApplicationCommandInteraction, exception: errors.CommandError
) -> None:
"""|coro|
The default slash command error handler provided by the bot.
By default this prints to :data:`sys.stderr` however it could be
overridden to have a different implementation.
This only fires if you do not specify any listeners for slash command error.
"""
if self.extra_events.get("on_slash_command_error", None):
return
command = interaction.application_command
if command and command.has_error_handler():
return
cog = command.cog
if cog and cog.has_slash_error_handler():
return
print(f"Ignoring exception in slash command {command.name!r}:", file=sys.stderr)
traceback.print_exception(
type(exception), exception, exception.__traceback__, file=sys.stderr
)
async def on_user_command_error(
self, interaction: ApplicationCommandInteraction, exception: errors.CommandError
) -> None:
"""|coro|
Similar to :meth:`on_slash_command_error() <Bot.on_slash_command_error>` but for user commands.
"""
if self.extra_events.get("on_user_command_error", None):
return
command = interaction.application_command
if command and command.has_error_handler():
return
cog = command.cog
if cog and cog.has_user_error_handler():
return
print(f"Ignoring exception in user command {command.name!r}:", file=sys.stderr)
traceback.print_exception(
type(exception), exception, exception.__traceback__, file=sys.stderr
)
async def on_message_command_error(
self, interaction: ApplicationCommandInteraction, exception: errors.CommandError
) -> None:
"""|coro|
Similar to :meth:`on_slash_command_error() <Bot.on_slash_command_error>` but for message commands.
"""
if self.extra_events.get("on_message_command_error", None):
return
command = interaction.application_command
if command and command.has_error_handler():
return
cog = command.cog
if cog and cog.has_message_error_handler():
return
print(f"Ignoring exception in message command {command.name!r}:", file=sys.stderr)
traceback.print_exception(
type(exception), exception, exception.__traceback__, file=sys.stderr
)
# global check registration
def add_app_command_check(
self,
func: AppCheck,
*,
call_once: bool = False,
slash_commands: bool = False,
user_commands: bool = False,
message_commands: bool = False,
) -> None: