Events concerning manipulation of members within guilds.

This module

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# -*- coding: utf-8 -*-
# cython: language_level=3
# Copyright (c) 2020 Nekokatt
# Copyright (c) 2021-present davfsa
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"""Events concerning manipulation of members within guilds."""
from __future__ import annotations

__all__: typing.Sequence[str] = ("MemberEvent", "MemberCreateEvent", "MemberUpdateEvent", "MemberDeleteEvent")

import abc
import typing

import attr

from hikari import intents
from hikari import traits
from hikari.events import base_events
from hikari.events import shard_events
from hikari.internal import attr_extensions

if typing.TYPE_CHECKING:
    from hikari import guilds
    from hikari import snowflakes
    from hikari import users
    from hikari.api import shard as gateway_shard


@base_events.requires_intents(intents.Intents.GUILD_MEMBERS)
class MemberEvent(shard_events.ShardEvent, abc.ABC):
    """Event base for any events that concern guild members."""

    __slots__: typing.Sequence[str] = ()

    @property
    def app(self) -> traits.RESTAware:
        # <<inherited docstring from Event>>.
        return self.user.app

    @property
    @abc.abstractmethod
    def guild_id(self) -> snowflakes.Snowflake:
        """ID of the guild that this event relates to.

        Returns
        -------
        hikari.snowflakes.Snowflake
            The ID of the guild that relates to this event.
        """

    @property
    @abc.abstractmethod
    def user(self) -> users.User:
        """User object for the member this event concerns.

        Returns
        -------
        hikari.users.User
            User object for the member this event concerns.
        """

    @property
    def user_id(self) -> snowflakes.Snowflake:
        """ID of the user that this event concerns.

        Returns
        -------
        hikari.snowflakes.Snowflake
            The ID of the user that this event relates to.
        """
        return self.user.id

    def get_guild(self) -> typing.Optional[guilds.GatewayGuild]:
        """Get the cached view of the guild this member event occurred in.

        If the guild itself is not cached, this will return `builtins.None`.

        Returns
        -------
        typing.Optional[hikari.guilds.GatewayGuild]
            The guild that this event occurred in, if known, else
            `builtins.None`.
        """
        if not isinstance(self.app, traits.CacheAware):
            return None

        return self.app.cache.get_available_guild(self.guild_id) or self.app.cache.get_unavailable_guild(self.guild_id)


@attr_extensions.with_copy
@attr.define(kw_only=True, weakref_slot=False)
@base_events.requires_intents(intents.Intents.GUILD_MEMBERS)
class MemberCreateEvent(MemberEvent):
    """Event that is fired when a member joins a guild."""

    shard: gateway_shard.GatewayShard = attr.field(metadata={attr_extensions.SKIP_DEEP_COPY: True})
    # <<inherited docstring from ShardEvent>>.

    member: guilds.Member = attr.field()
    """Member object for the member that joined the guild.

    Returns
    -------
    hikari.guilds.Member
        The member object for the member who just joined.
    """

    @property
    def guild_id(self) -> snowflakes.Snowflake:
        # <<inherited docstring from MemberEvent>>.
        return self.member.guild_id

    @property
    def user(self) -> users.User:
        # <<inherited docstring from MemberEvent>>.
        return self.member.user


@attr_extensions.with_copy
@attr.define(kw_only=True, weakref_slot=False)
@base_events.requires_intents(intents.Intents.GUILD_MEMBERS)
class MemberUpdateEvent(MemberEvent):
    """Event that is fired when a member is updated in a guild.

    This may occur if roles are amended, or if the nickname is changed.
    """

    shard: gateway_shard.GatewayShard = attr.field(metadata={attr_extensions.SKIP_DEEP_COPY: True})
    # <<inherited docstring from ShardEvent>>.

    old_member: typing.Optional[guilds.Member] = attr.field()
    """The old member object.

    This will be `builtins.None` if the member missing from the cache.
    """

    member: guilds.Member = attr.field()
    """Member object for the member that was updated.

    Returns
    -------
    hikari.guilds.Member
        The member object for the member that was updated.
    """

    @property
    def guild_id(self) -> snowflakes.Snowflake:
        # <<inherited docstring from MemberEvent>>.
        return self.member.guild_id

    @property
    def user(self) -> users.User:
        # <<inherited docstring from MemberEvent>>.
        return self.member.user


@attr_extensions.with_copy
@attr.define(kw_only=True, weakref_slot=False)
@base_events.requires_intents(intents.Intents.GUILD_MEMBERS)
class MemberDeleteEvent(MemberEvent):
    """Event fired when a member is kicked from or leaves a guild."""

    shard: gateway_shard.GatewayShard = attr.field(metadata={attr_extensions.SKIP_DEEP_COPY: True})
    # <<inherited docstring from ShardEvent>>.

    guild_id: snowflakes.Snowflake = attr.field()
    # <<inherited docstring from MemberEvent>>.

    user: users.User = attr.field()
    # <<inherited docstring from MemberEvent>>.

    old_member: typing.Optional[guilds.Member] = attr.field()
    """The old member object.

    This will be `builtins.None` if the member was missing from the cache.
    """

Classes

dataclass MemberCreateEvent

class MemberCreateEvent (
    *,
    shard: gateway_shard.GatewayShard,
    member: guilds.Member,
): ...

Event that is fired when a member joins a guild.

This requires one of the following combinations of intents in order to be dispatched:

Method generated by attrs for class MemberCreateEvent.

Expand source code
Browse git 
class MemberCreateEvent(MemberEvent):
    """Event that is fired when a member joins a guild."""

    shard: gateway_shard.GatewayShard = attr.field(metadata={attr_extensions.SKIP_DEEP_COPY: True})
    # <<inherited docstring from ShardEvent>>.

    member: guilds.Member = attr.field()
    """Member object for the member that joined the guild.

    Returns
    -------
    hikari.guilds.Member
        The member object for the member who just joined.
    """

    @property
    def guild_id(self) -> snowflakes.Snowflake:
        # <<inherited docstring from MemberEvent>>.
        return self.member.guild_id

    @property
    def user(self) -> users.User:
        # <<inherited docstring from MemberEvent>>.
        return self.member.user
Method resolution order
dataclass MemberCreateEvent
That's this class!
abstract class MemberEvent

Event base for any events that concern guild members …

abstract class ShardEvent

Base class for any event that was shard-specific.

abstract class Event

Base event type that all Hikari events should subclass.

extern class abc.ABC

Helper class that provides a standard way to create an ABC using inheritance.

Variables and properties
property app : RESTAware

App instance for this application.

Returns

RESTAware
The REST-aware app trait.
property guild_id : snowflakes.Snowflake

ID of the guild that this event relates to.

Returns

Snowflake
The ID of the guild that relates to this event.
property member : guilds.Member

Member object for the member that joined the guild.

Returns

Member
The member object for the member who just joined.
property shard : gateway_shard.GatewayShard

Shard that received this event.

Returns

GatewayShard
The shard that triggered the event.
property user : users.User

User object for the member this event concerns.

Returns

User
User object for the member this event concerns.
property user_id : snowflakes.Snowflake

ID of the user that this event concerns.

Returns

Snowflake
The ID of the user that this event relates to.
Methods
def get_guild() -> Optional[guilds.GatewayGuild]: ...

Inherited from: MemberEvent.get_guild

Get the cached view of the guild this member event occurred in.

If the guild itself is not cached, this will return None.

Returns

Optional[GatewayGuild]
The guild that this event occurred in, if known, else None.
def bitmask() -> int: ...

Inherited from: MemberEvent.bitmask

Bitmask for this event.

def dispatches() -> Sequence[Type[Event]]: ...

Inherited from: MemberEvent.dispatches

Sequence of the event classes this event is dispatched as.

dataclass MemberDeleteEvent

class MemberDeleteEvent (
    *,
    shard: gateway_shard.GatewayShard,
    guild_id: snowflakes.Snowflake,
    user: users.User,
    old_member: Optional[guilds.Member],
): ...

Event fired when a member is kicked from or leaves a guild.

This requires one of the following combinations of intents in order to be dispatched:

Method generated by attrs for class MemberDeleteEvent.

Expand source code
Browse git 
class MemberDeleteEvent(MemberEvent):
    """Event fired when a member is kicked from or leaves a guild."""

    shard: gateway_shard.GatewayShard = attr.field(metadata={attr_extensions.SKIP_DEEP_COPY: True})
    # <<inherited docstring from ShardEvent>>.

    guild_id: snowflakes.Snowflake = attr.field()
    # <<inherited docstring from MemberEvent>>.

    user: users.User = attr.field()
    # <<inherited docstring from MemberEvent>>.

    old_member: typing.Optional[guilds.Member] = attr.field()
    """The old member object.

    This will be `builtins.None` if the member was missing from the cache.
    """
Method resolution order
dataclass MemberDeleteEvent
That's this class!
abstract class MemberEvent

Event base for any events that concern guild members …

abstract class ShardEvent

Base class for any event that was shard-specific.

abstract class Event

Base event type that all Hikari events should subclass.

extern class abc.ABC

Helper class that provides a standard way to create an ABC using inheritance.

Variables and properties
property app : RESTAware

App instance for this application.

Returns

RESTAware
The REST-aware app trait.
property guild_id : snowflakes.Snowflake

ID of the guild that this event relates to.

Returns

Snowflake
The ID of the guild that relates to this event.
property old_member : Optional[guilds.Member]

The old member object.

This will be None if the member was missing from the cache.

property shard : gateway_shard.GatewayShard

Shard that received this event.

Returns

GatewayShard
The shard that triggered the event.
property user : users.User

User object for the member this event concerns.

Returns

User
User object for the member this event concerns.
property user_id : snowflakes.Snowflake

ID of the user that this event concerns.

Returns

Snowflake
The ID of the user that this event relates to.
Methods
def get_guild() -> Optional[guilds.GatewayGuild]: ...

Inherited from: MemberEvent.get_guild

Get the cached view of the guild this member event occurred in.

If the guild itself is not cached, this will return None.

Returns

Optional[GatewayGuild]
The guild that this event occurred in, if known, else None.
def bitmask() -> int: ...

Inherited from: MemberEvent.bitmask

Bitmask for this event.

def dispatches() -> Sequence[Type[Event]]: ...

Inherited from: MemberEvent.dispatches

Sequence of the event classes this event is dispatched as.

class MemberEvent

class MemberEvent: ...

Event base for any events that concern guild members.

This requires one of the following combinations of intents in order to be dispatched:

Expand source code
Browse git 
class MemberEvent(shard_events.ShardEvent, abc.ABC):
    """Event base for any events that concern guild members."""

    __slots__: typing.Sequence[str] = ()

    @property
    def app(self) -> traits.RESTAware:
        # <<inherited docstring from Event>>.
        return self.user.app

    @property
    @abc.abstractmethod
    def guild_id(self) -> snowflakes.Snowflake:
        """ID of the guild that this event relates to.

        Returns
        -------
        hikari.snowflakes.Snowflake
            The ID of the guild that relates to this event.
        """

    @property
    @abc.abstractmethod
    def user(self) -> users.User:
        """User object for the member this event concerns.

        Returns
        -------
        hikari.users.User
            User object for the member this event concerns.
        """

    @property
    def user_id(self) -> snowflakes.Snowflake:
        """ID of the user that this event concerns.

        Returns
        -------
        hikari.snowflakes.Snowflake
            The ID of the user that this event relates to.
        """
        return self.user.id

    def get_guild(self) -> typing.Optional[guilds.GatewayGuild]:
        """Get the cached view of the guild this member event occurred in.

        If the guild itself is not cached, this will return `builtins.None`.

        Returns
        -------
        typing.Optional[hikari.guilds.GatewayGuild]
            The guild that this event occurred in, if known, else
            `builtins.None`.
        """
        if not isinstance(self.app, traits.CacheAware):
            return None

        return self.app.cache.get_available_guild(self.guild_id) or self.app.cache.get_unavailable_guild(self.guild_id)
Subclasses
dataclass MemberCreateEvent

Event that is fired when a member joins a guild …

dataclass MemberDeleteEvent

Event fired when a member is kicked from or leaves a guild …

dataclass MemberUpdateEvent

Event that is fired when a member is updated in a guild …

Method resolution order
abstract class MemberEvent
That's this class!
abstract class ShardEvent

Base class for any event that was shard-specific.

abstract class Event

Base event type that all Hikari events should subclass.

extern class abc.ABC

Helper class that provides a standard way to create an ABC using inheritance.

Variables and properties
property app : RESTAware

App instance for this application.

Returns

RESTAware
The REST-aware app trait.
abstract property guild_id : snowflakes.Snowflake

ID of the guild that this event relates to.

Returns

Snowflake
The ID of the guild that relates to this event.
abstract property shard : gateway_shard.GatewayShard

Shard that received this event.

Returns

GatewayShard
The shard that triggered the event.
abstract property user : users.User

User object for the member this event concerns.

Returns

User
User object for the member this event concerns.
property user_id : snowflakes.Snowflake

ID of the user that this event concerns.

Returns

Snowflake
The ID of the user that this event relates to.
Methods
def get_guild() -> Optional[guilds.GatewayGuild]: ...

Get the cached view of the guild this member event occurred in.

If the guild itself is not cached, this will return None.

Returns

Optional[GatewayGuild]
The guild that this event occurred in, if known, else None.
Expand source code
Browse git 
def get_guild(self) -> typing.Optional[guilds.GatewayGuild]:
    """Get the cached view of the guild this member event occurred in.

    If the guild itself is not cached, this will return `builtins.None`.

    Returns
    -------
    typing.Optional[hikari.guilds.GatewayGuild]
        The guild that this event occurred in, if known, else
        `builtins.None`.
    """
    if not isinstance(self.app, traits.CacheAware):
        return None

    return self.app.cache.get_available_guild(self.guild_id) or self.app.cache.get_unavailable_guild(self.guild_id)
def bitmask() -> int: ...

Inherited from: ShardEvent.bitmask

Bitmask for this event.

def dispatches() -> Sequence[Type[Event]]: ...

Inherited from: ShardEvent.dispatches

Sequence of the event classes this event is dispatched as.

dataclass MemberUpdateEvent

class MemberUpdateEvent (
    *,
    shard: gateway_shard.GatewayShard,
    old_member: Optional[guilds.Member],
    member: guilds.Member,
): ...

Event that is fired when a member is updated in a guild.

This may occur if roles are amended, or if the nickname is changed.

This requires one of the following combinations of intents in order to be dispatched:

Method generated by attrs for class MemberUpdateEvent.

Expand source code
Browse git 
class MemberUpdateEvent(MemberEvent):
    """Event that is fired when a member is updated in a guild.

    This may occur if roles are amended, or if the nickname is changed.
    """

    shard: gateway_shard.GatewayShard = attr.field(metadata={attr_extensions.SKIP_DEEP_COPY: True})
    # <<inherited docstring from ShardEvent>>.

    old_member: typing.Optional[guilds.Member] = attr.field()
    """The old member object.

    This will be `builtins.None` if the member missing from the cache.
    """

    member: guilds.Member = attr.field()
    """Member object for the member that was updated.

    Returns
    -------
    hikari.guilds.Member
        The member object for the member that was updated.
    """

    @property
    def guild_id(self) -> snowflakes.Snowflake:
        # <<inherited docstring from MemberEvent>>.
        return self.member.guild_id

    @property
    def user(self) -> users.User:
        # <<inherited docstring from MemberEvent>>.
        return self.member.user
Method resolution order
dataclass MemberUpdateEvent
That's this class!
abstract class MemberEvent

Event base for any events that concern guild members …

abstract class ShardEvent

Base class for any event that was shard-specific.

abstract class Event

Base event type that all Hikari events should subclass.

extern class abc.ABC

Helper class that provides a standard way to create an ABC using inheritance.

Variables and properties
property app : RESTAware

App instance for this application.

Returns

RESTAware
The REST-aware app trait.
property guild_id : snowflakes.Snowflake

ID of the guild that this event relates to.

Returns

Snowflake
The ID of the guild that relates to this event.
property member : guilds.Member

Member object for the member that was updated.

Returns

Member
The member object for the member that was updated.
property old_member : Optional[guilds.Member]

The old member object.

This will be None if the member missing from the cache.

property shard : gateway_shard.GatewayShard

Shard that received this event.

Returns

GatewayShard
The shard that triggered the event.
property user : users.User

User object for the member this event concerns.

Returns

User
User object for the member this event concerns.
property user_id : snowflakes.Snowflake

ID of the user that this event concerns.

Returns

Snowflake
The ID of the user that this event relates to.
Methods
def get_guild() -> Optional[guilds.GatewayGuild]: ...

Inherited from: MemberEvent.get_guild

Get the cached view of the guild this member event occurred in.

If the guild itself is not cached, this will return None.

Returns

Optional[GatewayGuild]
The guild that this event occurred in, if known, else None.
def bitmask() -> int: ...

Inherited from: MemberEvent.bitmask

Bitmask for this event.

def dispatches() -> Sequence[Type[Event]]: ...

Inherited from: MemberEvent.dispatches

Sequence of the event classes this event is dispatched as.