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import asyncio
import inspect
import string
from collections import defaultdict
from typing import Any, Optional, List
import discord
from discord import Message, Guild, PartialEmoji, Embed, Color, Reaction, User, Role, TextChannel
from discord.abc import Messageable
from discord.ext.commands import Bot, Paginator, Context
_NoneType = type(None)
async def await_if(func, *args, **kwargs):
if inspect.iscoroutinefunction(func):
return await func(*args, **kwargs)
else:
return func(*args, **kwargs)
def keeper(keep):
table = defaultdict(_NoneType)
table.update({ord(c): c for c in keep})
return table
NUMBER_EMOJIS = [str(num) + '\U000020e3' for num in range(1, 10)] + ['\U0001f51f']
digit_keeper = keeper(string.digits)
YES_ANSWERS = ['yes', 'y']
NO_ANSWERS = ['n', 'no']
YES_REACTION = '\N{WHITE HEAVY CHECK MARK}'
NO_REACTION = '\N{CROSS MARK}'
class AwaitException(BaseException):
pass
class AwaitCanceled(AwaitException):
pass
class AwaitTimedOut(AwaitException):
pass
class AdvancedAwaiter:
def __init__(self, bot: Bot, channel: Messageable, guild: Optional[Guild], user: User, timeout: Optional[int]):
self.bot = bot
self.channel = channel
self.guild = guild
self.author = user
self.timeout = timeout
@classmethod
def from_context(cls, ctx: Context, timeout: Optional[int] = None):
return cls(ctx.bot, ctx.channel, ctx.guild, ctx.author, timeout)
@classmethod
def from_message(cls, bot: Bot, mes: Message, timeout: Optional[int] = None):
return cls(bot, mes.channel, mes.guild, mes.author, timeout)
@classmethod
def in_direct_message(cls, bot: Bot, user: User, timeout: Optional[int] = None):
return cls(bot, user, None, user, timeout)
def check_author(self, mes: Message):
if mes.author.id != self.author.id:
return False
return mes.channel == self.channel or (self.guild is None and mes.guild is None)
async def by_converter(self, text, check, converter) -> Any:
obj = None
while obj is None or not await await_if(check, obj):
try:
res = await self(text)
obj = await await_if(converter, res)
except AwaitException:
raise
except BaseException as e:
print(e)
return obj
async def __call__(self, text, check=lambda mes: True) -> Message:
await self.channel.send(
embed=Embed(
color=Color.blurple(),
description=text))
try:
mes = await self.bot.wait_for('message', check=lambda mes: self.check_author(mes) and check(mes),
timeout=self.timeout)
if mes.content.lower() == "@cancel@":
raise AwaitCanceled
return mes
except asyncio.TimeoutError:
raise AwaitTimedOut
async def converted_emoji(self, text: str, converter=lambda x: x, check=lambda x: True):
thing = None
while thing is None or not check(thing):
try:
ret = await self.emoji_reaction(text)
thing = await await_if(converter, ret)
except AwaitException:
raise
except BaseException as e:
print(e)
return thing
async def emoji_reaction(self, text: str) -> PartialEmoji:
mes = await self.channel.send(
embed=Embed(
color=Color.blurple(),
description=text))
def check(reaction: Reaction, user: User):
message = reaction.message
if self.author.id != user.id:
return False
return mes.id == message.id
try:
reaction, user = await self.bot.wait_for('reaction_add', check=check, timeout=self.timeout)
return reaction
except asyncio.TimeoutError:
raise AwaitTimedOut
async def guild_role(self, text: str, check=lambda role: True, list_ids=False) -> Role:
async def converter(mes: Message):
return discord.utils.get(self.guild.roles,
id=int(mes.content.translate(digit_keeper)))
if list_ids:
guild = self.guild
paginator = Paginator()
for role in guild.roles:
paginator.add_line(role.name + ' ' + str(role.id))
for page in paginator.pages:
await self.channel.send(
embed=Embed(
color=Color.blurple(),
description=page))
return await self.by_converter(
text,
check=check,
converter=converter)
async def emoji_choice(self, text: str, choices: List[str]):
emoji = ''
while emoji not in choices:
mes = await self.channel.send(
embed=Embed(
color=Color.blurple(),
description=text))
for choice in choices:
await mes.add_reaction(choice)
def check(reaction: Reaction, user: User):
message = reaction.message
if user.id != self.author.id:
return False
return message.id == mes.id
try:
reaction, user = await self.bot.wait_for('reaction_add', check=check, timeout=self.timeout)
emoji = str(reaction.emoji)
except asyncio.TimeoutError:
raise AwaitTimedOut
return emoji
async def choice(self, text: str, choices: List[Any]):
emojis = NUMBER_EMOJIS[:len(choices)]
emoji = await self.emoji_choice(text + '\n' + '\n'.join(
map(' '.join, zip(choices, emojis))
), emojis)
return choices[emojis.index(emoji)]
async def emoji_yes_no(self, text: str) -> bool:
emoji = await self.emoji_choice(text, [YES_REACTION, NO_REACTION])
return emoji == YES_REACTION
async def text(self, text: str) -> str:
return (await self(text)).content
async def guild_channel(self, text: str, check=lambda channel: True, writable=False) -> TextChannel:
async def converter(mes: Message):
return discord.utils.get(self.guild.channels,
id=int(mes.content.translate(digit_keeper)))
if not self.guild:
raise ValueError("This can only be used in guilds")
async def all_checks(channel: TextChannel):
if writable and channel.guild == self.guild and not channel.permissions_for(channel.guild.me).send_messages:
return False
return await await_if(check, channel)
return await self.by_converter(
text,
check=all_checks,
converter=converter)
async def as_message(self, text: str, check=lambda mes: True, in_channel: TextChannel = None) -> Message:
if in_channel is None:
in_channel = self.channel
async def converter(mes: Message):
return await in_channel.get_message(mes.content)
return await self.by_converter(text, check=check, converter=converter)
async def yes_no_question(self, text: str) -> bool:
response = ''
while response not in (YES_ANSWERS + NO_ANSWERS):
response = (await self.text(text)).lower()
pass
return response in YES_ANSWERS
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