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110 lines
4.1 KiB
Python
110 lines
4.1 KiB
Python
from titanembeds.utils import get_formatted_message
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from urllib.parse import urlparse
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import asyncio_redis
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import json
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import discord
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import asyncio
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import traceback
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import sys
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import re
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class RedisQueue:
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def __init__(self, bot, redis_uri):
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self.bot = bot
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self.redis_uri = redis_uri
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async def connect(self):
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url_parsed = urlparse(self.redis_uri)
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url_path = 0
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if url_parsed.path and len(url_parsed.path) > 2:
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url_path = int(url_parsed.path[1:])
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self.sub_connection = await asyncio_redis.Connection.create(
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host = url_parsed.hostname or "localhost",
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port = url_parsed.port or 6379,
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password = url_parsed.password,
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db = url_path
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)
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self.connection = await asyncio_redis.Pool.create(
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host = url_parsed.hostname or "localhost",
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port = url_parsed.port or 6379,
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password = url_parsed.password,
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db = url_path,
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poolsize = 10
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)
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async def subscribe(self):
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await self.bot.wait_until_ready()
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subscriber = await self.sub_connection.start_subscribe()
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await subscriber.subscribe(["discord-api-req"])
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while True:
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reply = await subscriber.next_published()
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request = json.loads(reply.value)
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resource = request["resource"]
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self.dispatch(resource, request["key"], request["params"])
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def dispatch(self, event, key, params):
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method = "on_" + event
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if hasattr(self, method):
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self.bot.loop.create_task(self._run_event(method, key, params))
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async def _run_event(self, event, key, params):
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try:
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await getattr(self, event)(key, params)
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except asyncio.CancelledError:
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pass
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except Exception:
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try:
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await self.on_error(event)
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except asyncio.CancelledError:
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pass
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async def on_error(self, event_method):
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print('Ignoring exception in {}'.format(event_method), file=sys.stderr)
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traceback.print_exc()
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async def set_scan_json(self, key, dict_key, dict_value_pattern):
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unformatted_item = None
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formatted_item = None
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exists = await self.connection.exists(key)
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if exists:
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members = await self.connection.smembers(key)
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for member in members:
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the_member = await member
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parsed = json.loads(the_member)
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if re.match(str(dict_value_pattern), str(parsed[dict_key])):
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unformatted_item = the_member
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formatted_item = parsed
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break
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return (unformatted_item, formatted_item)
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async def on_get_channel_messages(self, key, params):
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channel = self.bot.get_channel(int(params["channel_id"]))
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if not channel or not isinstance(channel, discord.channel.TextChannel):
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return
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await self.connection.delete([key])
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messages = []
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async for message in channel.history(limit=50):
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formatted = get_formatted_message(message)
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messages.append(json.dumps(formatted))
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await self.connection.sadd(key, messages)
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async def push_message(self, message):
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if message.guild:
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key = "Queue/channels/{}/messages".format(message.channel.id)
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exists = await self.connection.exists(key)
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if exists:
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message = get_formatted_message(message)
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await self.connection.sadd(key, [json.dumps(message)])
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async def delete_message(self, message):
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if message.guild:
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key = "Queue/channels/{}/messages".format(message.channel.id)
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exists = await self.connection.exists(key)
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if exists:
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unformatted_item, formatted_item = await self.set_scan_json(key, "id", message.id)
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if formatted_item:
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await self.connection.srem(key, [unformatted_item])
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async def update_message(self, message):
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await self.delete_message(message)
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await self.push_message(message) |