bobloy
4 years ago
parent
f24183d4f2
commit
e1d314cc83
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import logging
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from datetime import datetime, timedelta
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from typing import Dict, List, Union
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import discord
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from apscheduler.triggers.base import BaseTrigger
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from apscheduler.triggers.combining import OrTrigger
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from apscheduler.triggers.date import DateTrigger
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from apscheduler.triggers.interval import IntervalTrigger
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from apscheduler.triggers.cron import CronTrigger
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from discord.utils import time_snowflake
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from redbot.core import Config, commands
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from redbot.core.bot import Red
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log = logging.getLogger("red.fox_v3.fifo.task")
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async def _do_nothing(*args, **kwargs):
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pass
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def get_trigger(data):
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if data["type"] == "interval":
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parsed_time = data["time_data"]
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return IntervalTrigger(days=parsed_time.days, seconds=parsed_time.seconds)
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if data["type"] == "date":
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return DateTrigger(data["time_data"])
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if data["type"] == "cron":
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return CronTrigger.from_crontab(data["time_data"])
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return False
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def parse_triggers(data: Union[Dict, None]):
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if data is None or not data.get("triggers", False): # No triggers
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return None
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if len(data["triggers"]) > 1: # Multiple triggers
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return OrTrigger(get_trigger(t_data) for t_data in data["triggers"])
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return get_trigger(data["triggers"][0])
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class FakeMessage:
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def __init__(self, message: discord.Message):
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d = {k: getattr(message, k, None) for k in dir(message)}
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self.__dict__.update(**d)
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def neuter_message(message: FakeMessage):
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message.delete = _do_nothing
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message.edit = _do_nothing
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message.publish = _do_nothing
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message.pin = _do_nothing
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message.unpin = _do_nothing
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message.add_reaction = _do_nothing
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message.remove_reaction = _do_nothing
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message.clear_reaction = _do_nothing
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message.clear_reactions = _do_nothing
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message.ack = _do_nothing
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return message
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class Task:
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default_task_data = {"triggers": [], "command_str": ""}
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default_trigger = {
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"type": "",
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"time_data": None, # Used for Interval and Date Triggers
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}
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def __init__(
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self, name: str, guild_id, config: Config, author_id=None, channel_id=None, bot: Red = None
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):
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self.name = name
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self.guild_id = guild_id
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self.config = config
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self.bot = bot
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self.author_id = author_id
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self.channel_id = channel_id
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self.data = None
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async def _encode_time_triggers(self):
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if not self.data or not self.data.get("triggers", None):
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return []
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triggers = []
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for t in self.data["triggers"]:
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if t["type"] == "interval": # Convert into timedelta
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td: timedelta = t["time_data"]
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triggers.append(
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{"type": t["type"], "time_data": {"days": td.days, "seconds": td.seconds}}
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)
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continue
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if t["type"] == "date": # Convert into datetime
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dt: datetime = t["time_data"]
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triggers.append({"type": t["type"], "time_data": dt.isoformat()})
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# triggers.append(
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# {
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# "type": t["type"],
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# "time_data": {
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# "year": dt.year,
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# "month": dt.month,
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# "day": dt.day,
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# "hour": dt.hour,
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# "minute": dt.minute,
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# "second": dt.second,
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# "tzinfo": dt.tzinfo,
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# },
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# }
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# )
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continue
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if t["type"] == "cron": # TODO: Implement this, should be easy
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raise NotImplemented
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raise NotImplemented
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return triggers
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async def _decode_time_triggers(self):
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if not self.data or not self.data.get("triggers", None):
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return
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for n, t in enumerate(self.data["triggers"]):
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if t["type"] == "interval": # Convert into timedelta
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self.data["triggers"][n]["time_data"] = timedelta(**t["time_data"])
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continue
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if t["type"] == "date": # Convert into datetime
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# self.data["triggers"][n]["time_data"] = datetime(**t["time_data"])
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self.data["triggers"][n]["time_data"] = datetime.fromisoformat(t["time_data"])
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continue
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if t["type"] == "cron":
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raise NotImplemented
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raise NotImplemented
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# async def load_from_data(self, data: Dict):
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# self.data = data.copy()
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async def load_from_config(self):
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data = await self.config.guild_from_id(self.guild_id).tasks.get_raw(
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self.name, default=None
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)
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if not data:
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return
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self.author_id = data["author_id"]
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self.guild_id = data["guild_id"]
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self.channel_id = data["channel_id"]
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self.data = data["data"]
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await self._decode_time_triggers()
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return self.data
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async def get_triggers(self) -> List[Union[IntervalTrigger, DateTrigger]]:
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if not self.data:
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await self.load_from_config()
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if self.data is None or "triggers" not in self.data: # No triggers
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return []
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return [get_trigger(t) for t in self.data["triggers"]]
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async def get_combined_trigger(self) -> Union[BaseTrigger, None]:
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if not self.data:
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await self.load_from_config()
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return parse_triggers(self.data)
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# async def set_job_id(self, job_id):
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# if self.data is None:
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# await self.load_from_config()
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#
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# self.data["job_id"] = job_id
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async def save_all(self):
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"""To be used when creating an new task"""
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data_to_save = self.default_task_data.copy()
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if self.data:
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data_to_save["command_str"] = self.get_command_str()
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data_to_save["triggers"] = await self._encode_time_triggers()
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to_save = {
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"guild_id": self.guild_id,
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"author_id": self.author_id,
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"channel_id": self.channel_id,
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"data": data_to_save,
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}
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await self.config.guild_from_id(self.guild_id).tasks.set_raw(self.name, value=to_save)
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async def save_data(self):
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"""To be used when updating triggers"""
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if not self.data:
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return
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data_to_save = self.data.copy()
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data_to_save["triggers"] = await self._encode_time_triggers()
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await self.config.guild_from_id(self.guild_id).tasks.set_raw(
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self.name, "data", value=data_to_save
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)
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async def execute(self):
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if not self.data or not self.get_command_str():
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log.warning(f"Could not execute task due to data problem: {self.data=}")
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return False
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guild: discord.Guild = self.bot.get_guild(self.guild_id) # used for get_prefix
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if guild is None:
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log.warning(f"Could not execute task due to missing guild: {self.guild_id}")
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return False
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channel: discord.TextChannel = guild.get_channel(self.channel_id)
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if channel is None:
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log.warning(f"Could not execute task due to missing channel: {self.channel_id}")
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return False
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author: discord.User = guild.get_member(self.author_id)
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if author is None:
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log.warning(f"Could not execute task due to missing author: {self.author_id}")
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return False
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actual_message: discord.Message = channel.last_message
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# I'd like to present you my chain of increasingly desperate message fetching attempts
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if actual_message is None:
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# log.warning("No message found in channel cache yet, skipping execution")
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# return
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actual_message = await channel.fetch_message(channel.last_message_id)
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if actual_message is None: # last_message_id was an invalid message I guess
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actual_message = await channel.history(limit=1).flatten()
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if not actual_message: # Basically only happens if the channel has no messages
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actual_message = await author.history(limit=1).flatten()
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if not actual_message: # Okay, the *author* has never sent a message?
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log.warning("No message found in channel cache yet, skipping execution")
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return
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actual_message = actual_message[0]
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message = FakeMessage(actual_message)
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# message = FakeMessage2
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message.author = author
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message.guild = guild # Just in case we got desperate
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message.channel = channel
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message.id = time_snowflake(datetime.now()) # Pretend to be now
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message = neuter_message(message)
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# absolutely weird that this takes a message object instead of guild
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prefixes = await self.bot.get_prefix(message)
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if isinstance(prefixes, str):
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prefix = prefixes
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else:
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prefix = prefixes[0]
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message.content = f"{prefix}{self.get_command_str()}"
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if not message.guild or not message.author or not message.content:
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log.warning(f"Could not execute task due to message problem: {message}")
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return False
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new_ctx: commands.Context = await self.bot.get_context(message)
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new_ctx.assume_yes = True
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if not new_ctx.valid:
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log.warning(f"Could not execute task due invalid context: {new_ctx}")
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return False
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await self.bot.invoke(new_ctx)
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return True
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async def set_bot(self, bot: Red):
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self.bot = bot
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async def set_author(self, author: Union[discord.User, discord.Member, str]):
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self.author_id = getattr(author, "id", None) or author
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await self.config.guild_from_id(self.guild_id).tasks.set_raw(
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self.name, "author_id", value=self.author_id
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)
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async def set_channel(self, channel: Union[discord.TextChannel, str]):
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self.channel_id = getattr(channel, "id", None) or channel
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await self.config.guild_from_id(self.guild_id).tasks.set_raw(
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self.name, "channel_id", value=self.author_id
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)
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def get_command_str(self):
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return self.data.get("command_str", "")
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async def set_commmand_str(self, command_str):
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if not self.data:
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self.data = self.default_task_data.copy()
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self.data["command_str"] = command_str
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return True
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async def add_trigger(self, param, parsed_time: Union[timedelta, datetime, str]):
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trigger_data = {"type": param, "time_data": parsed_time}
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if not get_trigger(trigger_data):
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return False
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if not self.data:
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self.data = self.default_task_data.copy()
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self.data["triggers"].append(trigger_data)
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return True
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def __setstate__(self, task_state):
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self.name = task_state["name"]
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self.guild_id = task_state["guild_id"]
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self.config = task_state["config"]
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self.bot = None
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self.author_id = None
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self.channel_id = None
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self.data = None
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def __getstate__(self):
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return {
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"name": self.name,
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"guild_id": self.guild_id,
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"config": self.config,
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"bot": self.bot,
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}
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