erebus.py

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