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.lower()
  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):
  59                         self.name = name
  60                         self.bot = bot
  61                         self.levels = {}
  62
  63                         self.users = []
  64                         self.voices = []
  65                         self.ops = []
  66
  67                         c = main.db.cursor()
  68                         c.execute("SELECT user, level FROM chusers WHERE chan = %s", (self.name,))
  69                         row = c.fetchone()
  70                         while row is not None:
  71                                 self.levels[row['user']] = row['level']
  72                                 row = c.fetchone()
  73
  74
  75                 def levelof(self, auth):
  76                         auth = auth.lower()
  77                         if auth in self.levels:
  78                                 return self.levels[auth]
  79                         else:
  80                                 return 0
  81
  82                 def setlevel(self, auth, level, savetodb=True):
  83                         auth = auth.lower()
  84                         if savetodb:
  85                                 c = main.db.cursor()
  86                                 c.execute("REPLACE INTO chusers (chan, user, level) VALUES (%s, %s, %s)", (self.name, auth, level))
  87                         self.levels[auth] = level
  88
  89                 def userjoin(self, user, level=None):
  90                         if user not in self.users: self.users.append(user)
  91                         if level == 'op' and user not in self.ops: self.ops.append(user)
  92                         if level == 'voice' and user not in self.voices: self.voices.append(user)
  93                 def userpart(self, user):
  94                         if user in self.ops: self.ops.remove(user)
  95                         if user in self.voices: self.voices.remove(user)
  96                         if user in self.users: self.users.remove(user)
  97
  98                 def userop(self, user):
  99                         if user in self.users and user not in self.ops: self.ops.append(user)
 100                 def uservoice(self, user):
 101                         if user in self.users and user not in self.voices: self.voices.append(user)
 102                 def userdeop(self, user):
 103                         if user in self.ops: self.ops.remove(user)
 104                 def userdevoice(self, user):
 105                         if user in self.voices: self.voices.remove(user)
 106
 107                 def __str__(self): return self.name
 108                 def __repr__(self): return "<Channel %r>" % (self.name)
 109
 110         def __init__(self, trigger):
 111                 self.trigger = trigger
 112                 if os.name == "posix":
 113                         self.potype = "poll"
 114                         self.po = select.poll()
 115                 else: # f.e. os.name == "nt" (Windows)
 116                         self.potype = "select"
 117                         self.fdlist = []
 118
 119         def newbot(self, nick, user, bind, server, port, realname):
 120                 if bind is None: bind = ''
 121                 obj = bot.Bot(self, nick, user, bind, server, port, realname)
 122                 self.bots[nick.lower()] = obj
 123
 124         def newfd(self, obj, fileno):
 125                 self.fds[fileno] = obj
 126                 if self.potype == "poll":
 127                         self.po.register(fileno, select.POLLIN)
 128                 elif self.potype == "select":
 129                         self.fdlist.append(fileno)
 130
 131         def bot(self, name): #get Bot() by name (nick)
 132                 return self.bots[name.lower()]
 133         def fd(self, fileno): #get Bot() by fd/fileno
 134                 return self.fds[fileno]
 135         def randbot(self): #get Bot() randomly
 136                 for b in self.bots.itervalues(): return b #TODO
 137
 138         def user(self, nick, justjoined=False):
 139                 nick = nick.lower()
 140                 if nick in self.users:
 141                         return self.users[nick]
 142                 else:
 143                         user = self.User(nick)
 144                         self.users[nick] = user
 145
 146                         if justjoined:
 147                                 self.randbot().conn.send("WHO %s %%ant,2" % (nick))
 148
 149                         return user
 150         def channel(self, name): #get Channel() by name
 151                 if name.lower() in self.chans:
 152                         return self.chans[name.lower()]
 153                 else:
 154                         return None
 155
 156         def newchannel(self, bot, name):
 157                 chan = self.Channel(name.lower(), bot)
 158                 self.chans[name.lower()] = chan
 159                 return chan
 160
 161         def poll(self):
 162                 if self.potype == "poll":
 163                         return [fd for (fd, ev) in self.po.poll()]
 164                 elif self.potype == "select":
 165                         return select.select(self.fdlist, [], [])[0]
 166
 167         def connectall(self):
 168                 for bot in self.bots.itervalues():
 169                         if bot.conn.state == 0:
 170                                 bot.connect()
 171
 172         #bind functions
 173         def hook(self, word, handler):
 174                 try:
 175                         self.msghandlers[word].append(handler)
 176                 except:
 177                         self.msghandlers[word] = [handler]
 178         def unhook(self, word, handler):
 179                 if word in self.msghandlers and handler in self.msghandlers[word]:
 180                         self.msghandlers[word].remove(handler)
 181         def hashook(self, word):
 182                 return word in self.msghandlers and len(self.msghandlers[word]) != 0
 183         def gethook(self, word):
 184                 return self.msghandlers[word]
 185
 186         def hooknum(self, word, handler):
 187                 try:
 188                         self.numhandlers[word].append(handler)
 189                 except:
 190                         self.numhandlers[word] = [handler]
 191         def unhooknum(self, word, handler):
 192                 if word in self.numhandlers and handler in self.numhandlers[word]:
 193                         self.numhandlers[word].remove(handler)
 194         def hasnumhook(self, word):
 195                 return word in self.numhandlers and len(self.numhandlers[word]) != 0
 196         def getnumhook(self, word):
 197                 return self.numhandlers[word]
 198
 199
 200
 201
 202 def setup():
 203         global cfg, main
 204
 205         cfg = config.Config('bot.config')
 206         main = Erebus(cfg.trigger)
 207
 208         autoloads = [mod for mod, yes in cfg.items('autoloads') if int(yes) == 1]
 209         for mod in autoloads:
 210                 print "Loading %s" % (mod)
 211                 ctlmod.load(main, mod)
 212
 213         main.db = MySQLdb.connect(host=cfg.dbhost, user=cfg.dbuser, passwd=cfg.dbpass, db=cfg.dbname, cursorclass=MySQLdb.cursors.DictCursor)
 214         c = main.db.cursor()
 215         c.execute("SELECT nick, user, bind FROM bots WHERE active = 1")
 216         rows = c.fetchall()
 217         c.close()
 218         for row in rows:
 219                 main.newbot(row['nick'], row['user'], row['bind'], cfg.host, cfg.port, cfg.realname)
 220         main.connectall()
 221
 222 def loop():
 223         poready = main.poll()
 224         for fileno in poready:
 225                 for line in main.fd(fileno).getdata():
 226                         main.fd(fileno).parse(line)
 227
 228 if __name__ == '__main__':
 229         setup()
 230         while True: loop()