erebus.py

   1 #!/usr/bin/python
   2 # -*- coding: latin-1 -*-
   3
   4 # Erebus IRC bot - Author: John Runyon
   5 # main startup code
   6
   7 #TODO: tons
   8
   9 import os, sys, select, MySQLdb, MySQLdb.cursors
  10 import bot, config, ctlmod
  11
  12 class Erebus(object):
  13         bots = {}
  14         fds = {}
  15         mods = {}
  16         numhandlers = {}
  17         msghandlers = {}
  18         users = {}
  19         chans = {}
  20
  21         class User(object):
  22                 def __init__(self, nick, auth=None):
  23                         self.nick = nick
  24                         self.auth = auth
  25                         self.checklevel()
  26
  27                         self.chans = []
  28
  29                 def isauthed(self):
  30                         return self.auth is not None
  31
  32                 def authed(self, auth):
  33                         if auth == '0': auth = None
  34                         self.auth = auth
  35                         self.checklevel()
  36
  37                 def checklevel(self):
  38                         if self.auth is None:
  39                                 self.glevel = -1
  40                         else:
  41                                 c = main.db.cursor()
  42                                 c.execute("SELECT level FROM users WHERE auth = %s", (self.auth,))
  43                                 row = c.fetchone()
  44                                 if row is not None:
  45                                         self.glevel = row['level']
  46                                 else:
  47                                         self.glevel = 0
  48                         return self.glevel
  49
  50                 def join(self, chan):
  51                         self.chans.append(chan)
  52                 def part(self, chan):
  53                         self.chans.remove(chan)
  54
  55                 def __str__(self): return self.nick
  56                 def __repr__(self): return "<User %r (%d)>" % (self.nick,self.glevel)
  57
  58         class Channel(object):
  59                 def __init__(self, name, bot, levels={}):
  60                         self.name = name
  61                         self.bot = bot
  62                         self.levels = levels
  63
  64                         self.users = []
  65                         self.voices = []
  66                         self.ops = []
  67
  68                 def userjoin(self, user, level=None):
  69                         if user not in self.users: self.users.append(user)
  70                         if level == 'op' and user not in self.ops: self.ops.append(user)
  71                         if level == 'voice' and user not in self.voices: self.voices.append(user)
  72                 def userpart(self, user):
  73                         if user in self.ops: self.ops.remove(user)
  74                         if user in self.voices: self.voices.remove(user)
  75                         if user in self.users: self.users.remove(user)
  76
  77                 def userop(self, user):
  78                         if user in self.users and user not in self.ops: self.ops.append(user)
  79                 def uservoice(self, user):
  80                         if user in self.users and user not in self.voices: self.voices.append(user)
  81                 def userdeop(self, user):
  82                         if user in self.ops: self.ops.remove(user)
  83                 def userdevoice(self, user):
  84                         if user in self.voices: self.voices.remove(user)
  85
  86                 def __str__(self): return self.name
  87                 def __repr__(self): return "<Channel %r>" % (self.name)
  88
  89         def __init__(self, trigger):
  90                 self.trigger = trigger
  91                 if os.name == "posix":
  92                         self.potype = "poll"
  93                         self.po = select.poll()
  94                 else: # f.e. os.name == "nt" (Windows)
  95                         self.potype = "select"
  96                         self.fdlist = []
  97
  98         def newbot(self, nick, user, bind, server, port, realname):
  99                 if bind is None: bind = ''
 100                 obj = bot.Bot(self, nick, user, bind, server, port, realname)
 101                 self.bots[nick.lower()] = obj
 102
 103         def newfd(self, obj, fileno):
 104                 self.fds[fileno] = obj
 105                 if self.potype == "poll":
 106                         self.po.register(fileno, select.POLLIN)
 107                 elif self.potype == "select":
 108                         self.fdlist.append(fileno)
 109
 110         def bot(self, name): #get Bot() by name (nick)
 111                 return self.bots[name.lower()]
 112         def fd(self, fileno): #get Bot() by fd/fileno
 113                 return self.fds[fileno]
 114         def randbot(self): #get Bot() randomly
 115                 for b in self.bots.itervalues(): return b #TODO
 116
 117         def user(self, nick, justjoined=False):
 118                 nick = nick.lower()
 119                 if nick in self.users:
 120                         return self.users[nick]
 121                 else:
 122                         user = self.User(nick)
 123                         self.users[nick] = user
 124
 125                         if justjoined:
 126                                 self.randbot().conn.send("WHO %s %%ant,2" % (nick))
 127
 128                         return user
 129         def channel(self, name): #get Channel() by name
 130                 if name.lower() in self.chans:
 131                         return self.chans[name.lower()]
 132                 else:
 133                         return None
 134
 135         def newchannel(self, bot, name, levels={}):
 136                 chan = self.Channel(name.lower(), bot, levels)
 137                 self.chans[name.lower()] = chan
 138                 return chan
 139
 140         def poll(self):
 141                 if self.potype == "poll":
 142                         return [fd for (fd, ev) in self.po.poll()]
 143                 elif self.potype == "select":
 144                         return select.select(self.fdlist, [], [])[0]
 145
 146         def connectall(self):
 147                 for bot in self.bots.itervalues():
 148                         if bot.conn.state == 0:
 149                                 bot.connect()
 150
 151         #bind functions
 152         def hook(self, word, handler):
 153                 try:
 154                         self.msghandlers[word].append(handler)
 155                 except:
 156                         self.msghandlers[word] = [handler]
 157         def unhook(self, word, handler):
 158                 if word in self.msghandlers and handler in self.msghandlers[word]:
 159                         self.msghandlers[word].remove(handler)
 160         def hashook(self, word):
 161                 return word in self.msghandlers and len(self.msghandlers[word]) != 0
 162         def gethook(self, word):
 163                 return self.msghandlers[word]
 164
 165         def hooknum(self, word, handler):
 166                 try:
 167                         self.numhandlers[word].append(handler)
 168                 except:
 169                         self.numhandlers[word] = [handler]
 170         def unhooknum(self, word, handler):
 171                 if word in self.numhandlers and handler in self.numhandlers[word]:
 172                         self.numhandlers[word].remove(handler)
 173         def hasnumhook(self, word):
 174                 return word in self.numhandlers and len(self.numhandlers[word]) != 0
 175         def getnumhook(self, word):
 176                 return self.numhandlers[word]
 177
 178 def setup():
 179         global cfg, main
 180
 181         cfg = config.Config('bot.config')
 182         main = Erebus(cfg.trigger)
 183
 184         autoloads = [mod for mod, yes in cfg.items('autoloads') if int(yes) == 1]
 185         for mod in autoloads:
 186                 print "Loading %s" % (mod)
 187                 ctlmod.load(main, mod)
 188
 189         main.db = MySQLdb.connect(host=cfg.dbhost, user=cfg.dbuser, passwd=cfg.dbpass, db=cfg.dbname, cursorclass=MySQLdb.cursors.DictCursor)
 190         c = main.db.cursor()
 191         c.execute("SELECT nick, user, bind FROM bots WHERE active = 1")
 192         rows = c.fetchall()
 193         c.close()
 194         for row in rows:
 195                 main.newbot(row['nick'], row['user'], row['bind'], cfg.host, cfg.port, cfg.realname)
 196         main.connectall()
 197
 198 def loop():
 199         poready = main.poll()
 200         for fileno in poready:
 201                 for line in main.fd(fileno).getdata():
 202                         main.fd(fileno).parse(line)
 203
 204 if __name__ == '__main__':
 205         setup()
 206         while True: loop()