528 lines
17 KiB
Python
528 lines
17 KiB
Python
# -*- coding: utf-8 -*-
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# Nemubot is a smart and modulable IM bot.
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# Copyright (C) 2012-2015 Mercier Pierre-Olivier
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from datetime import datetime, timedelta, timezone
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import imp
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import ipaddress
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import logging
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import os
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from queue import Queue
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import re
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from select import select
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import threading
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import time
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import uuid
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__version__ = '4.0.dev1'
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__author__ = 'nemunaire'
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from nemubot.consumer import Consumer, EventConsumer, MessageConsumer
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from nemubot import datastore
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from nemubot.event import ModuleEvent
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import nemubot.hooks
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from nemubot.hooks.messagehook import MessageHook
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from nemubot.hooks.manager import HooksManager
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from nemubot.modulecontext import ModuleContext
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from nemubot.networkbot import NetworkBot
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context = ModuleContext(None, None)
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logger = logging.getLogger("nemubot")
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class Bot(threading.Thread):
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"""Class containing the bot context and ensuring key goals"""
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def __init__(self, ip="127.0.0.1", modules_paths=list(),
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data_store=datastore.Abstract(), verbosity=0):
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"""Initialize the bot context
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Keyword arguments:
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ip -- The external IP of the bot (default: 127.0.0.1)
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modules_paths -- Paths to all directories where looking for module
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data_store -- An instance of the nemubot datastore for bot's modules
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"""
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threading.Thread.__init__(self)
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logger.info("Initiate nemubot v%s", __version__)
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self.verbosity = verbosity
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# External IP for accessing this bot
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self.ip = ipaddress.ip_address(ip)
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# Context paths
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self.modules_paths = modules_paths
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self.datastore = data_store
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self.datastore.open()
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# Keep global context: servers and modules
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self.servers = dict()
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self.modules = dict()
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self.modules_configuration = dict()
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# Events
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self.events = list()
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self.event_timer = None
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# Own hooks
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self.hooks = HooksManager()
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def in_ping(msg):
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if re.match("^ *(m[' ]?entends?[ -]+tu|h?ear me|do you copy|ping)", msg.message, re.I) is not None:
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return msg.respond("pong")
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self.hooks.add_hook(MessageHook(in_ping), "in", "DirectAsk")
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def _help_msg(msg):
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"""Parse and response to help messages"""
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from more import Response
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res = Response(channel=msg.frm)
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if len(msg.args) > 1:
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if msg.args[0] in self.modules:
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if len(msg.args) > 2:
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if hasattr(self.modules[msg.args[0]], "HELP_cmd"):
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res.append_message(self.modules[msg.args[0]].HELP_cmd(msg.args[1]))
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else:
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res.append_message("No help for command %s in module %s" % (msg.args[1], msg.args[0]))
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elif hasattr(self.modules[msg.args[0]], "help_full"):
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res.append_message(self.modules[msg.args[0]].help_full())
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else:
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res.append_message("No help for module %s" % msg.args[0])
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else:
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res.append_message("No module named %s" % msg.args[0])
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else:
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res.append_message("Pour me demander quelque chose, commencez "
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"votre message par mon nom ; je réagis "
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"également à certaine commandes commençant par"
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" !. Pour plus d'informations, envoyez le "
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"message \"!more\".")
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res.append_message("Mon code source est libre, publié sous "
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"licence AGPL (http://www.gnu.org/licenses/). "
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"Vous pouvez le consulter, le dupliquer, "
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"envoyer des rapports de bogues ou bien "
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"contribuer au projet sur GitHub : "
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"http://github.com/nemunaire/nemubot/")
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res.append_message(title="Pour plus de détails sur un module, "
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"envoyez \"!help nomdumodule\". Voici la liste"
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" de tous les modules disponibles localement",
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message=["\x03\x02%s\x03\x02 (%s)" % (im, self.modules[im].__doc__) for im in self.modules if self.modules[im].__doc__])
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return res
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self.hooks.add_hook(MessageHook(_help_msg, "help"), "in", "Command")
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# Other known bots, making a bots network
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self.network = dict()
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# Messages to be treated
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self.cnsr_queue = Queue()
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self.cnsr_thrd = list()
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self.cnsr_thrd_size = -1
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def run(self):
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from nemubot.server import _rlist, _wlist, _xlist
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self.stop = False
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while not self.stop:
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try:
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rl, wl, xl = select(_rlist, _wlist, _xlist, 0.1)
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except:
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logger.error("Something went wrong in select")
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fnd_smth = False
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# Looking for invalid server
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for r in _rlist:
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if not hasattr(r, "fileno") or not isinstance(r.fileno(), int):
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_rlist.remove(r)
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logger.error("Found invalid object in _rlist: " + r)
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fnd_smth = True
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for w in _wlist:
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if not hasattr(r, "fileno") or not isinstance(w.fileno(), int):
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_wlist.remove(w)
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logger.error("Found invalid object in _wlist: " + w)
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fnd_smth = True
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for x in _xlist:
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if not hasattr(r, "fileno") or not isinstance(x.fileno(), int):
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_xlist.remove(x)
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logger.error("Found invalid object in _xlist: " + x)
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fnd_smth = True
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if not fnd_smth:
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logger.exception("Can't continue, sorry")
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self.stop = True
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continue
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for x in xl:
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try:
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x.exception()
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except:
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logger.exception("Uncatched exception on server exception")
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for w in wl:
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try:
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w.write_select()
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except:
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logger.exception("Uncatched exception on server write")
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for r in rl:
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for i in r.read():
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try:
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self.receive_message(r, i)
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except:
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logger.exception("Uncatched exception on server read")
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# Events methods
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def add_event(self, evt, eid=None, module_src=None):
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"""Register an event and return its identifiant for futur update
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Return:
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None if the event is not in the queue (eg. if it has been executed during the call) or
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returns the event ID.
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Argument:
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evt -- The event object to add
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Keyword arguments:
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eid -- The desired event ID (object or string UUID)
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module_src -- The module to which the event is attached to
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"""
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# Generate the event id if no given
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if eid is None:
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eid = uuid.uuid1()
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# Fill the id field of the event
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if type(eid) is uuid.UUID:
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evt.id = str(eid)
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else:
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# Ok, this is quite useless...
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try:
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evt.id = str(uuid.UUID(eid))
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except ValueError:
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evt.id = eid
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# Add the event in its place
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t = evt.current
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i = 0 # sentinel
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for i in range(0, len(self.events)):
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if self.events[i].current > t:
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break
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self.events.insert(i, evt)
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if i == 0:
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# First event changed, reset timer
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self._update_event_timer()
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if len(self.events) <= 0 or self.events[i] != evt:
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# Our event has been executed and removed from queue
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return None
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# Register the event in the source module
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if module_src is not None:
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module_src.__nemubot_context__.events.append(evt.id)
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evt.module_src = module_src
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logger.info("New event registered: %s -> %s", evt.id, evt)
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return evt.id
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def del_event(self, evt, module_src=None):
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"""Find and remove an event from list
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Return:
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True if the event has been found and removed, False else
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Argument:
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evt -- The ModuleEvent object to remove or just the event identifier
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Keyword arguments:
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module_src -- The module to which the event is attached to (ignored if evt is a ModuleEvent)
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"""
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logger.info("Removing event: %s from %s", evt, module_src)
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if type(evt) is ModuleEvent:
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id = evt.id
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module_src = evt.module_src
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else:
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id = evt
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if len(self.events) > 0 and id == self.events[0].id:
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self.events.remove(self.events[0])
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self._update_event_timer()
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if module_src is not None:
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module_src.__nemubot_context__.events.remove(id)
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return True
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for evt in self.events:
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if evt.id == id:
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self.events.remove(evt)
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if module_src is not None:
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module_src.__nemubot_context__.events.remove(evt.id)
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return True
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return False
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def _update_event_timer(self):
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"""(Re)launch the timer to end with the closest event"""
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# Reset the timer if this is the first item
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if self.event_timer is not None:
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self.event_timer.cancel()
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if len(self.events) > 0:
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logger.debug("Update timer: next event in %d seconds",
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self.events[0].time_left.seconds)
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if datetime.now(timezone.utc) + timedelta(seconds=5) >= self.events[0].current:
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while datetime.now(timezone.utc) < self.events[0].current:
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time.sleep(0.6)
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self._end_event_timer()
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else:
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self.event_timer = threading.Timer(
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self.events[0].time_left.seconds + 1, self._end_event_timer)
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self.event_timer.start()
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else:
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logger.debug("Update timer: no timer left")
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def _end_event_timer(self):
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"""Function called at the end of the event timer"""
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while len(self.events) > 0 and datetime.now(timezone.utc) >= self.events[0].current:
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evt = self.events.pop(0)
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self.cnsr_queue.put_nowait(EventConsumer(evt))
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self._launch_consumers()
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self._update_event_timer()
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# Consumers methods
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def _launch_consumers(self):
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"""Launch new consumer threads if necessary"""
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while self.cnsr_queue.qsize() > self.cnsr_thrd_size:
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# Next launch if two more items in queue
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self.cnsr_thrd_size += 2
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c = Consumer(self)
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self.cnsr_thrd.append(c)
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c.start()
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def add_server(self, srv, autoconnect=True):
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"""Add a new server to the context
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Arguments:
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srv -- a concrete AbstractServer instance
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autoconnect -- connect after add?
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"""
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if srv.id not in self.servers:
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self.servers[srv.id] = srv
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if autoconnect and not hasattr(self, "noautoconnect"):
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srv.open()
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return True
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else:
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return False
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# Modules methods
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def import_module(self, name):
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"""Load a module
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Argument:
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name -- name of the module to load
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"""
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if name in self.modules:
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self.unload_module(name)
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tt = __import__(name)
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imp.reload(tt)
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else:
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__import__(name)
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def add_module(self, module):
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"""Add a module to the context, if already exists, unload the
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old one before"""
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# Check if the module already exists
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if module.__name__ in self.modules:
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self.unload_module(module.__name__)
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# Overwrite print built-in
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def prnt(*args):
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print("[%s]" % module.__name__, *args)
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if hasattr(module, "logger"):
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module.logger.info(" ".join(args))
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module.print = prnt
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# Create module context
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module.__nemubot_context__ = ModuleContext(self, module)
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# Replace imported context by real one
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for attr in module.__dict__:
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if attr != "__nemubot_context__" and type(module.__dict__[attr]) == ModuleContext:
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module.__dict__[attr] = module.__nemubot_context__
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# Register decorated functions
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for s, h in nemubot.hooks.last_registered:
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module.__nemubot_context__.add_hook(s, h)
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nemubot.hooks.last_registered = []
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# Save a reference to the module
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self.modules[module.__name__] = module
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# Launch the module
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if hasattr(module, "load"):
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module.load(module.__nemubot_context__)
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return True
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def unload_module(self, name):
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"""Unload a module"""
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if name in self.modules:
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self.modules[name].print("Unloading module %s" % name)
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if hasattr(self.modules[name], "unload"):
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self.modules[name].unload(self)
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self.modules[name].__nemubot_context__.unload()
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# Remove from the dict
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del self.modules[name]
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logger.info("Module `%s' successfully unloaded.", name)
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return True
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return False
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def receive_message(self, srv, msg, private=False, data=None):
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"""Queued the message for treatment"""
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#print("READ", raw_msg)
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self.cnsr_queue.put_nowait(MessageConsumer(srv, msg))
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# Launch a new thread if necessary
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self._launch_consumers()
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def add_networkbot(self, srv, dest, dcc=None):
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"""Append a new bot into the network"""
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id = srv.id + "/" + dest
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if id not in self.network:
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self.network[id] = NetworkBot(self, srv, dest, dcc)
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return self.network[id]
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def send_networkbot(self, srv, cmd, data=None):
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for bot in self.network:
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if self.network[bot].srv == srv:
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self.network[bot].send_cmd(cmd, data)
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def quit(self):
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"""Save and unload modules and disconnect servers"""
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self.datastore.close()
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if self.event_timer is not None:
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logger.info("Stop the event timer...")
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self.event_timer.cancel()
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logger.info("Save and unload all modules...")
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k = list(self.modules.keys())
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for mod in k:
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self.unload_module(mod)
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logger.info("Close all servers connection...")
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k = list(self.servers.keys())
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for srv in k:
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self.servers[srv].close()
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self.stop = True
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# Treatment
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def check_rest_times(self, store, hook):
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"""Remove from store the hook if it has been executed given time"""
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if hook.times == 0:
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if isinstance(store, dict):
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store[hook.name].remove(hook)
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if len(store) == 0:
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del store[hook.name]
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elif isinstance(store, list):
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store.remove(hook)
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def hotswap(bak):
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bak.stop = True
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if bak.event_timer is not None:
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bak.event_timer.cancel()
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bak.datastore.close()
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new = Bot(str(bak.ip), bak.modules_paths, bak.datastore)
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new.servers = bak.servers
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new.modules = bak.modules
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new.modules_configuration = bak.modules_configuration
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new.events = bak.events
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new.hooks = bak.hooks
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new.network = bak.network
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new._update_event_timer()
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return new
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def reload():
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import nemubot.channel
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imp.reload(nemubot.channel)
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import nemubot.consumer
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imp.reload(nemubot.consumer)
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import nemubot.event
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imp.reload(nemubot.event)
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import nemubot.exception
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imp.reload(nemubot.exception)
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import nemubot.hooks
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imp.reload(nemubot.hooks)
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nemubot.hooks.reload()
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import nemubot.importer
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imp.reload(nemubot.importer)
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import nemubot.message
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imp.reload(nemubot.message)
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nemubot.message.reload()
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import nemubot.prompt
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imp.reload(nemubot.prompt)
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nemubot.prompt.reload()
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import nemubot.server
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rl, wl, xl = nemubot.server._rlist, nemubot.server._wlist, nemubot.server._xlist
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imp.reload(nemubot.server)
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nemubot.server._rlist, nemubot.server._wlist, nemubot.server._xlist = rl, wl, xl
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nemubot.server.reload()
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import nemubot.tools
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imp.reload(nemubot.tools)
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nemubot.tools.reload()
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