Limnoria/plugins/Status.py

#!/usr/bin/env python

###
# Copyright (c) 2002, Jeremiah Fincher
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"""
A simple module to handle various informational commands querying the bot's
current status and statistics.
"""
__revision__ = "$Id$"

import supybot.plugins as plugins

import os
import sys
import sets
import time
import threading
from itertools import islice, ifilter, imap

import supybot.conf as conf
import supybot.utils as utils
import supybot.world as world
import supybot.privmsgs as privmsgs
import supybot.callbacks as callbacks


class Status(callbacks.Privmsg):
    def __init__(self):
        callbacks.Privmsg.__init__(self)
        self.sentMsgs = 0
        self.recvdMsgs = 0
        self.sentBytes = 0
        self.recvdBytes = 0
        self.connected = {}

    def __call__(self, irc, msg):
        self.recvdMsgs += 1
        self.recvdBytes += len(msg)
        callbacks.Privmsg.__call__(self, irc, msg)

    def outFilter(self, irc, msg):
        self.sentMsgs += 1
        self.sentBytes += len(msg)
        return msg

    def do001(self, irc, msg):
        self.connected[irc] = time.time()

    def net(self, irc, msg, args):
        """takes no arguments

        Returns some interesting network-related statistics.
        """
        try:
            elapsed = time.time() - self.connected[irc.getRealIrc()]
            timeElapsed = utils.timeElapsed(elapsed)
        except KeyError:
            timeElapsed = 'an indeterminate amount of time'
        irc.reply('I have received %s messages for a total of %s bytes.  '
                  'I have sent %s messages for a total of %s bytes.  '
                  'I have been connected to this network for %s.' %
                  (self.recvdMsgs, self.recvdBytes,
                   self.sentMsgs, self.sentBytes, timeElapsed))

    def cpu(self, irc, msg, args):
        """takes no arguments

        Returns some interesting CPU-related statistics on the bot.
        """
        (user, system, childUser, childSystem, elapsed) = os.times()
        now = time.time()
        timeRunning = now - world.startedAt
        if user+system < timeRunning+1: # Fudge for FPU inaccuracies.
            children = 'My children have taken %.2f seconds of user time ' \
                       'and %.2f seconds of system time ' \
                       'for a total of %.2f seconds of CPU time.  ' % \
                       (childUser, childSystem, childUser+childSystem)
        else:
            children = ''
        activeThreads = threading.activeCount()
        response = ('I have taken %.2f seconds of user time and %.2f seconds '
                    'of system time, for a total of %.2f seconds of CPU '
                    'time.  %s'
                    'I have spawned %s; I currently have %s still running.' %
                    (user, system, user + system, children,
                     utils.nItems('thread', world.threadsSpawned),
                     activeThreads))
        mem = 'an unknown amount'
        pid = os.getpid()
        plat = sys.platform
        try:
            if plat.startswith('linux') or plat.startswith('sunos') or \
               plat.startswith('freebsd') or plat.startswith('openbsd') or \
               plat.startswith('darwin'):
                try:
                    r = os.popen('ps -o rss -p %s' % pid)
                    r.readline() # VSZ Header.
                    mem = r.readline().strip()
                finally:
                    r.close()
            elif sys.platform.startswith('netbsd'):
                mem = '%s kB' % os.stat('/proc/%s/mem')[7]
            response += '  I\'m taking up %s kB of memory.' % mem
        except Exception:
            self.log.exception('Uncaught exception in cpu:')
        irc.reply(response)

    def cmd(self, irc, msg, args):
        """takes no arguments

        Returns some interesting command-related statistics.
        """
        commands = 0
        callbacksPrivmsg = 0
        for cb in irc.callbacks:
            if isinstance(cb, callbacks.Privmsg) and cb.public:
                if not isinstance(cb, callbacks.PrivmsgRegexp):
                    callbacksPrivmsg += 1
                for attr in dir(cb):
                    if cb.isCommand(attr) and \
                       attr == callbacks.canonicalName(attr):
                        commands += 1
        s = 'I offer a total of %s in %s.  I have processed %s.' % \
            (utils.nItems('command', commands),
             utils.nItems('plugin', callbacksPrivmsg, 'command-based'),
             utils.nItems('command', world.commandsProcessed))
        irc.reply(s)

    def commands(self, irc, msg, args):
        """takes no arguments

        Returns a list of the commands offered by the bot.
        """
        commands = sets.Set()
        for cb in irc.callbacks:
            if isinstance(cb, callbacks.Privmsg) and \
               not isinstance(cb, callbacks.PrivmsgRegexp) and cb.public:
                for attr in dir(cb):
                    if cb.isCommand(attr) and \
                       attr == callbacks.canonicalName(attr):
                        commands.add(attr)
        commands = list(commands)
        commands.sort()
        irc.reply(utils.commaAndify(commands))

    def uptime(self, irc, msg, args):
        """takes no arguments

        Returns the amount of time the bot has been running.
        """
        response = 'I have been running for %s.' % \
                   utils.timeElapsed(time.time() - world.startedAt)
        irc.reply(response)

    def server(self, irc, msg, args):
        """takes no arguments

        Returns the server the bot is on.
        """
        irc.reply(irc.server)


Class = Status

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