135 lines
4.3 KiB
Python
135 lines
4.3 KiB
Python
# Nemubot is a smart and modulable IM bot.
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# Copyright (C) 2012-2016 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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import logging
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import queue
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import threading
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from typing import List
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from nemubot.bot import Bot
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from nemubot.event import ModuleEvent
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from nemubot.message.abstract import Abstract as AbstractMessage
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from nemubot.server.abstract import AbstractServer
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logger = logging.getLogger("nemubot.consumer")
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class MessageConsumer:
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"""Store a message before treating"""
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def __init__(self, srv: AbstractServer, msg: AbstractMessage):
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self.srv = srv
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self.orig = msg
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def run(self, context: Bot) -> None:
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"""Create, parse and treat the message"""
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msgs = [] # type: List[AbstractMessage]
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# Parse the message
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try:
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for msg in self.srv.parse(self.orig):
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msgs.append(msg)
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except:
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logger.exception("Error occurred during the processing of the %s: "
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"%s", type(self.orig).__name__, self.orig)
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if len(msgs) <= 0:
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return
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# Qualify the message
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if not hasattr(msg, "server") or msg.server is None:
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msg.server = self.srv.name
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if hasattr(msg, "frm_owner"):
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msg.frm_owner = (not hasattr(self.srv, "owner") or self.srv.owner == msg.frm)
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# Treat the message
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for msg in msgs:
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for res in context.treater.treat_msg(msg):
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# Identify the destination
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to_server = None
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if isinstance(res, str):
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to_server = self.srv
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elif not hasattr(res, "server"):
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logger.error("No server defined for response of type %s: %s", type(res).__name__, res)
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continue
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elif res.server is None:
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to_server = self.srv
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res.server = self.srv.name
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elif res.server in context.servers:
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to_server = context.servers[res.server]
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else:
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to_server = res.server
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if to_server is None or not hasattr(to_server, "send_response") or not callable(to_server.send_response):
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logger.error("The server defined in this response doesn't exist: %s", res.server)
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continue
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# Sent the message only if treat_post authorize it
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to_server.send_response(res)
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class EventConsumer:
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"""Store a event before treating"""
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def __init__(self, evt: ModuleEvent, timeout: int = 20):
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self.evt = evt
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self.timeout = timeout
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def run(self, context: Bot) -> None:
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try:
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self.evt.check()
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except:
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logger.exception("Error during event end")
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# Reappend the event in the queue if it has next iteration
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if self.evt.next is not None:
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context.add_event(self.evt, eid=self.evt.id)
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# Or remove reference of this event
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elif (hasattr(self.evt, "module_src") and
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self.evt.module_src is not None):
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self.evt.module_src.__nemubot_context__.events.remove(self.evt.id)
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class Consumer(threading.Thread):
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"""Dequeue and exec requested action"""
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def __init__(self, context: Bot):
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self.context = context
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self.stop = False
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super().__init__(name="Nemubot consumer")
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def run(self) -> None:
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try:
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while not self.stop:
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stm = self.context.cnsr_queue.get(True, 1)
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stm.run(self.context)
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self.context.cnsr_queue.task_done()
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except queue.Empty:
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pass
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finally:
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self.context.cnsr_thrd_size -= 2
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self.context.cnsr_thrd.remove(self)
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