dr.botzo/dr.botzo.py

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"""
dr.botzo - a pluggable IRC bot written in Python
Copyright (C) 2010 Brian S. Stephan
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
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from ConfigParser import ConfigParser, NoSectionError, NoOptionError
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import os
import re
import socket
import sys
import inspect
import sqlite3
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from extlib import irclib
modlist = []
moduleList = [ "Countdown", "Dice", "IrcAdmin", "GoogleTranslate", "Seen", "FactFile" ]
modObjs = []
class DrBotServerConnection(irclib.ServerConnection):
"""Subclass irclib's ServerConnection, in order to expand privmsg."""
def privmsg(self, target, text):
"""Send a PRIVMSG command."""
splitter = "..."
# split messages that are too long. Max length is 512.
# TODO: this does not properly handle when the hostname has been
# masked by the ircd
space = 512 - len('\r\n') - len('PRIVMSG ') - len(' :') - len(target) - len(self.nickname) - len('!') - len(self.username) - len('@') - len(socket.getfqdn())
splitspace = space - (len(splitter) + 1)
if len(text) > space:
times = 1
while len(text) > splitspace:
splitpos = text.rfind(' ', 0, splitspace)
splittext = text[0:splitpos] + ' ' + splitter
text = splitter + ' ' + text[splitpos+1:]
try:
splittext = unicode(splittext).encode('utf-8')
except UnicodeDecodeError: pass
self.send_raw("PRIVMSG %s :%s" % (target, splittext))
times = times + 1
if times >= 4:
return
# done splitting
try:
text = unicode(text).encode('utf-8')
except UnicodeDecodeError: pass
self.send_raw("PRIVMSG %s :%s" % (target, text))
else:
try:
text = unicode(text).encode('utf-8')
except UnicodeDecodeError: pass
self.send_raw("PRIVMSG %s :%s" % (target, text))
class DrBotIRC(irclib.IRC):
"""Subclass irclib's IRC, in order to create a DrBotServerConnection."""
def server(self):
c = DrBotServerConnection(self)
self.connections.append(c)
return c
# check argv
if len(sys.argv) != 2:
sys.exit("Needs one argument, the config filename")
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# read config file
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config = ConfigParser({'debug': 'false'})
#config.read([os.path.expanduser('~/.dr.botzo.cfg'), 'dr.botzo.cfg'])
config.read(os.path.expanduser(sys.argv[1]))
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# load necessary options
try:
# load connection info
botserver = config.get('dr.botzo', 'server')
botport = config.getint('dr.botzo', 'port')
botnick = config.get('dr.botzo', 'nick')
botpass = config.get('dr.botzo', 'pass')
botuser = config.get('dr.botzo', 'user')
botircname = config.get('dr.botzo', 'name')
except NoSectionError as e:
sys.exit("Aborted due to error with necessary configuration: " + str(e))
except NoOptionError as e:
sys.exit("Aborted due to error with necessary configuration: " + str(e))
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# load additional options
irclib.DEBUG = config.getboolean('dr.botzo', 'debug')
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try:
# make sure we can initialize the database, if such a thing is
# called for in the config file
dbfile = config.get('dr.botzo', 'database')
conn = sqlite3.connect(dbfile)
try:
query = """
SELECT COUNT(*)
FROM sqlite_master
WHERE type = 'table' AND name = 'drbotzo_modules'
"""
row = conn.execute(query).fetchone()
if row[0] == 0:
# need to create the drbotzo_modules table
query = """
CREATE TABLE drbotzo_modules (
module TEXT,
version INTEGER
)
"""
conn.execute(query)
conn.commit()
finally: conn.close()
except NoOptionError: pass # if the config file has no db property, assume that
except NoSectionError: pass # the database doesn't need to exist
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# start up the IRC bot
# create IRC and server objects and connect
irc = DrBotIRC()
server = irc.server().connect(botserver, botport, botnick, botpass, botuser, botircname)
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# load features
try:
cfgmodlist = config.get('dr.botzo', 'module_list')
mods = cfgmodlist.split(',')
for mod in mods:
# try to load each module
modstr = 'modules.'+mod
__import__(modstr)
module = sys.modules[modstr]
botmod = eval('module.' + mod + '(config, server, modlist)')
botmod.register_handlers(server)
except NoSectionError as e:
print("You seem to be missing a modules config section, which you probably wanted.")
except NoOptionError as e:
print("You seem to be missing a modlist config option, which you probably wanted.")
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# loop forever
irc.process_forever()
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# vi:tabstop=4:expandtab:autoindent
# kate: indent-mode python;indent-width 4;replace-tabs on;