plugin loader, graceful shutdown!
This commit is contained in:
Luke Rogers
parent
9d0f9248ff
commit
e6318fe725
7 changed files with 136 additions and 133 deletions
15
cloudbot.py
15
cloudbot.py
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@ -1,6 +1,5 @@
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#!/usr/bin/env python
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# we import bot as _bot for now, for legacy reasons
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from core import bot as _bot
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from core import bot
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import os
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import sys
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@ -12,17 +11,17 @@ os.chdir(sys.path[0] or '.') # do stuff relative to the install directory
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print 'CloudBot REFRESH <http://git.io/cloudbotirc>'
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def exit_gracefully(signum, frame):
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bot.stop()
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cloudbot.stop()
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# store the original SIGINT handler
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original_sigint = signal.getsignal(signal.SIGINT)
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signal.signal(signal.SIGINT, exit_gracefully)
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# create new bot object
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bot = _bot.Bot("cloudbot")
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bot.logger.debug("Bot initalized, starting main loop.")
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cloudbot = bot.Bot()
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cloudbot.logger.debug("Bot initalized, starting main loop.")
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while bot.running:
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bot.loop()
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while cloudbot.running:
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cloudbot.loop()
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bot.logger.debug("Stopped main loop.")
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cloudbot.logger.debug("Stopped main loop.")
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37
core/bot.py
37
core/bot.py
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@ -4,8 +4,9 @@ import sys
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import re
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import os
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import Queue
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import collections
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from core import config, irc, loader, main
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from core import config, irc, main, loader
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def clean_name(n):
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@ -14,9 +15,8 @@ def clean_name(n):
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class Bot(object):
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def __init__(self, name):
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def __init__(self):
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# basic variables
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self.name = name
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self.start_time = time.time()
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self.running = True
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@ -29,20 +29,23 @@ class Bot(object):
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self.connect()
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# run plugin loader
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self.logger.debug("Starting plugin reloader.")
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loader.reload(self, init=True)
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self.logger.debug("Plugin reloader started.")
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self.plugins = collections.defaultdict(list)
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self.threads = {}
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self.loader = loader.PluginLoader(self)
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def stop(self, reason=None):
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"""quits all networks and shuts the bot down"""
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self.logger.info("Stopping bot.")
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self.running = False
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# wait for the bot loop to stop
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time.sleep(1)
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self.config.observer.stop()
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self.logger.debug("Config reloader stopped.")
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self.logger.debug("Stopping config reloader.")
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self.loader.stop()
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self.logger.debug("Stopping plugin loader.")
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for name, connection in self.connections.iteritems():
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# TODO: end connections properly
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@ -59,9 +62,9 @@ class Bot(object):
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logging.shutdown()
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sys.exit()
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def loop(self):
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"""reloads plugins, then recives input from the IRC engine and processes it"""
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loader.reload(self) # TODO: new plugin loader
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"""recieves input from the IRC engine and processes it"""
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for conn in self.connections.itervalues():
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try:
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@ -96,10 +99,11 @@ class Bot(object):
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port = port, channels = conf['channels'])
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self.logger.debug("({}) Created connection.".format(name))
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def setup(self):
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"""create the logger and config objects"""
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# logging
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self.logger = self.get_logger()
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self.logger = self.new_logger()
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self.logger.debug("Logging engine started.")
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# data folder
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@ -110,17 +114,12 @@ class Bot(object):
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self.logger.debug("Created data folder.")
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# config
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self.config = self.get_config()
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self.config = config.Config(self.logger)
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self.logger.debug("Config object created.")
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def get_config(self):
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"""create and return the config object"""
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return config.Config(self.logger)
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def get_logger(self):
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"""create and return the logger object"""
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def new_logger(self):
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"""create and return a new logger object"""
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# create logger
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logger = logging.getLogger("cloudbot")
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logger.setLevel(logging.DEBUG)
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@ -14,10 +14,10 @@ class Config(dict):
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self.logger = logger
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self.update(*args, **kwargs)
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# load self
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# populate self with config data
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self.load_config()
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# start reloader
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# start watcher
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self.watcher()
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def load_config(self):
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@ -40,6 +40,7 @@ class Config(dict):
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def watcher(self):
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self.logger.debug("Starting config reloader.")
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pattern = "*{}".format(self.filename)
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event_handler = ConfigReloader(self, patterns=[pattern])
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self.observer = Observer()
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25
core/irc.py
25
core/irc.py
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@ -33,6 +33,7 @@ class RecieveThread(threading.Thread):
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self.input_queue = input_queue
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self.socket = socket
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self.timeout = timeout
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threading.Thread.__init__(self)
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def recv_from_socket(self, nbytes):
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@ -97,12 +98,14 @@ class SendThread(threading.Thread):
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self.output_queue = output_queue
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self.conn_name = conn_name
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self.socket = socket
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self.shutdown = False
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threading.Thread.__init__(self)
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def run(self):
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while True:
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while not self.shutdown:
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line = self.output_queue.get().splitlines()[0][:500]
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print u"{}> {}".format(self.conn_name, line)
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print u"[{}]> {}".format(self.conn_name.upper(), line)
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self.output_buffer += line.encode('utf-8', 'replace') + '\r\n'
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while self.output_buffer:
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sent = self.socket.send(self.output_buffer)
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@ -115,6 +118,7 @@ class ParseThread(threading.Thread):
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self.input_queue = input_queue # lines that were received
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self.output_queue = output_queue # lines to be sent out
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self.parsed_queue = parsed_queue # lines that have been parsed
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threading.Thread.__init__(self)
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def run(self):
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@ -166,15 +170,17 @@ class Connection(object):
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self.socket.connect((self.host, self.port))
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self.recieve_thread = RecieveThread(self.socket, self.input_queue, self.timeout)
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self.recieve_thread.daemon = True
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self.recieve_thread.start()
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self.send_thread = SendThread(self.socket, self.conn_name, self.output_queue)
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self.send_thread.daemon = True
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self.send_thread.start()
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def stop(self):
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self.recieve_thread.stop()
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self.send_thread.stop()
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self.socket.disconnect()
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self.send_thread.shutdown = True
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time.sleep(.1)
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self.socket.close()
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class SSLConnection(Connection):
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@ -222,17 +228,12 @@ class IRC(object):
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self.parse_thread = ParseThread(self.input_queue, self.output_queue,
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self.parsed_queue)
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self.parse_thread.daemon = True
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self.parse_thread.start()
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def stop(self):
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self.parse_thread.stop()
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self.parse_thread.stop()
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def connect(self):
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self.conn = self.create_connection()
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self.conn_thread = thread.start_new_thread(self.conn.run, ())
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self.connection.stop()
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def set_pass(self, password):
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if password:
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144
core/loader.py
144
core/loader.py
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@ -1,19 +1,15 @@
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import collections
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import glob
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import os
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import re
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import glob
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import collections
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import traceback
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from watchdog.observers import Observer
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from watchdog.tricks import Trick
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from core import main
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if 'mtimes' not in globals():
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mtimes = {}
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if 'lastfiles' not in globals():
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lastfiles = set()
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def make_signature(f):
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return f.func_code.co_filename, f.func_name, f.func_code.co_firstlineno
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@ -32,108 +28,112 @@ def format_plug(plug, kind='', lpad=0):
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return out
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def reload(bot, init=False):
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changed = False
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class PluginLoader(object):
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def __init__(self, bot):
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self.observer = Observer()
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self.path = os.path.abspath("plugins")
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self.bot = bot
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if init:
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bot.plugins = collections.defaultdict(list)
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bot.threads = {}
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self.event_handler = EventHandler(self, patterns=["*.py"])
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self.observer.schedule(self.event_handler, self.path, recursive=False)
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self.observer.start()
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fileset = set(glob.glob(os.path.join('plugins', '*.py')))
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self.load_all()
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# remove deleted/moved plugins
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for name, data in bot.plugins.iteritems():
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bot.plugins[name] = [x for x in data if x[0]._filename in fileset]
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for filename in list(mtimes):
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if filename not in fileset and filename not in core_fileset:
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mtimes.pop(filename)
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def stop(self):
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self.observer.stop()
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for func, handler in list(bot.threads.iteritems()):
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if func._filename not in fileset:
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main.handler.stop()
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del bot.threads[func]
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# compile new plugins
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for filename in fileset:
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mtime = os.stat(filename).st_mtime
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if mtime != mtimes.get(filename):
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mtimes[filename] = mtime
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def load_all(self):
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files = set(glob.glob(os.path.join(self.path, '*.py')))
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for f in files:
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self.load_file(f, loaded_all=True)
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self.rebuild()
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changed = True
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def load_file(self, path, loaded_all=False):
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filename = os.path.basename(path)
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try:
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code = compile(open(filename, 'U').read(), filename, 'exec')
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code = compile(open(path, 'U').read(), filename, 'exec')
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namespace = {}
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eval(code, namespace)
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except Exception:
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traceback.print_exc()
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continue
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return
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# remove plugins already loaded from this filename
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for name, data in bot.plugins.iteritems():
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bot.plugins[name] = [x for x in data
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for name, data in self.bot.plugins.iteritems():
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self.bot.plugins[name] = [x for x in data
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if x[0]._filename != filename]
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for func, handler in list(bot.threads.iteritems()):
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for func, handler in list(self.bot.threads.iteritems()):
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if func._filename == filename:
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handler.stop()
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del bot.threads[func]
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del self.bot.threads[func]
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for obj in namespace.itervalues():
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if hasattr(obj, '_hook'): # check for magic
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if obj._thread:
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bot.threads[obj] = main.Handler(bot, obj)
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self.bot.threads[obj] = main.Handler(self.bot, obj)
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for type, data in obj._hook:
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bot.plugins[type] += [data]
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self.bot.plugins[type] += [data]
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self.bot.logger.info("Loaded plugin: {} ({})".format(format_plug(data), type))
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if not init:
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print '### new plugin (type: %s) loaded:' % \
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type, format_plug(data)
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if not loaded_all:
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self.rebuild()
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if changed:
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bot.commands = {}
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for plug in bot.plugins['command']:
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def unload_file(self, path):
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filename = os.path.basename(path)
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self.bot.logger.info("Unloading plugins from: {}".format(filename))
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for plugin_type, plugins in self.bot.plugins.iteritems():
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self.bot.plugins[plugin_type] = [x for x in plugins if x[0]._filename != filename]
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for func, handler in list(self.bot.threads.iteritems()):
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if func._filename == filename:
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main.handler.stop()
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del self.bot.threads[func]
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def rebuild(self):
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self.bot.commands = {}
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for plug in self.bot.plugins['command']:
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name = plug[1]['name'].lower()
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if not re.match(r'^\w+$', name):
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print '### ERROR: invalid command name "{}" ({})'.format(name, format_plug(plug))
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continue
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if name in bot.commands:
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if name in self.bot.commands:
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print "### ERROR: command '{}' already registered ({}, {})".format(name,
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format_plug(bot.commands[name]),
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format_plug(self.bot.commands[name]),
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format_plug(plug))
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continue
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bot.commands[name] = plug
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self.bot.commands[name] = plug
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bot.events = collections.defaultdict(list)
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for func, args in bot.plugins['event']:
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self.bot.events = collections.defaultdict(list)
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for func, args in self.bot.plugins['event']:
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for event in args['events']:
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bot.events[event].append((func, args))
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self.bot.events[event].append((func, args))
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if init:
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print ' plugin listing:'
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if bot.commands:
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# hack to make commands with multiple aliases
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# print nicely
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class EventHandler(Trick):
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def __init__(self, loader, *args, **kwargs):
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self.loader = loader
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Trick.__init__(self, *args, **kwargs)
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print ' command:'
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commands = collections.defaultdict(list)
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for name, (func, args) in bot.commands.iteritems():
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commands[make_signature(func)].append(name)
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def on_created(self, event):
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self.loader.load_file(event.src_path)
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for sig, names in sorted(commands.iteritems()):
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names.sort(key=lambda x: (-len(x), x)) # long names first
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out = ' ' * 6 + '%s:%s:%s' % sig
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out += ' ' * (50 - len(out)) + ', '.join(names)
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print out
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def on_deleted(self, event):
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self.loader.unload_file(event.src_path)
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for kind, plugs in sorted(bot.plugins.iteritems()):
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if kind == 'command':
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continue
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print ' {}:'.format(kind)
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for plug in plugs:
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print format_plug(plug, kind=kind, lpad=6)
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print
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def on_modified(self, event):
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self.loader.load_file(event.src_path)
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def on_moved(self, event):
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self.loader.unload_file(event.src_path)
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self.loader.load_file(event.dest_path)
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@ -176,7 +176,7 @@ def main(bot, conn, out):
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command = match_command(bot, trigger)
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if isinstance(command, list): # multiple potential matches
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input = Input(conn, *out)
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input = Input(bot, conn, *out)
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input.notice("Did you mean {} or {}?".format
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(', '.join(command[:-1]), command[-1]))
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elif command in bot.commands:
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@ -192,7 +192,7 @@ def main(bot, conn, out):
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for func, args in bot.plugins['regex']:
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m = args['re'].search(inp.lastparam)
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if m:
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input = Input(conn, *out)
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input = Input(bot, conn, *out)
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input.inp = m
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dispatch(input, "regex", func, args)
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@ -20,6 +20,7 @@ def invite(paraml, conn=None):
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# Identify to NickServ (or other service)
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@hook.event('004')
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def onjoin(paraml, conn=None, bot=None):
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bot.logger.info("ONJOIN hook triggered.")
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nickserv = conn.conf.get('nickserv')
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if nickserv:
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nickserv_password = nickserv.get('nickserv_password', '')
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@ -36,17 +37,19 @@ def onjoin(paraml, conn=None, bot=None):
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bot.config['censored_strings'].append(nickserv_password)
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time.sleep(1)
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# Set bot modes
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# Set bot modes
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mode = conn.conf.get('mode')
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if mode:
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bot.logger.info('Setting bot mode: "{}"'.format(mode))
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conn.cmd('MODE', [conn.nick, mode])
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# Join config-defined channels
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# Join config-defined channels
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bot.logger.info('Joining channels.')
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for channel in conn.channels:
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conn.join(channel)
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time.sleep(1)
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print "Bot ready."
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bot.logger.info("ONJOIN hook completed. Bot ready.")
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@hook.event("KICK")
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@ -60,12 +63,12 @@ def onkick(paraml, conn=None, chan=None):
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@hook.event("NICK")
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def onnick(paraml, conn=None, raw=None):
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def onnick(paraml, bot=None, conn=None, raw=None):
|
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old_nick = nick_re.search(raw).group(1)
|
||||
new_nick = str(paraml[0])
|
||||
if old_nick == conn.nick:
|
||||
conn.nick = new_nick
|
||||
print "Bot nick changed from '{}' to '{}'.".format(old_nick, new_nick)
|
||||
bot.logger.info("Bot nick changed from '{}' to '{}'.".format(old_nick, new_nick))
|
||||
|
||||
|
||||
@hook.singlethread
|
||||
|
|
|
|||
Reference in a new issue