erebus.py

   1 #!/usr/bin/python
   2
   3 # Erebus IRC bot - Author: John Runyon
   4 # main startup code
   5
   6 import os, sys, select, MySQLdb, MySQLdb.cursors, time, random, gc
   7 import bot, config, ctlmod
   8
   9 class Erebus(object): #singleton to pass around
  10         APIVERSION = 2
  11         RELEASE = 0
  12
  13         bots = {}
  14         fds = {}
  15         numhandlers = {}
  16         msghandlers = {}
  17         chanhandlers = {}
  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 msg(self, *args, **kwargs):
  30                         main.randbot().msg(self, *args, **kwargs)
  31                 def slowmsg(self, *args, **kwargs):
  32                         main.randbot().slowmsg(self, *args, **kwargs)
  33                 def fastmsg(self, *args, **kwargs):
  34                         main.randbot().fastmsg(self, *args, **kwargs)
  35
  36                 def isauthed(self):
  37                         return self.auth is not None
  38
  39                 def authed(self, auth):
  40                         if auth == '0': self.auth = None
  41                         else: self.auth = auth.lower()
  42                         self.checklevel()
  43
  44                 def checklevel(self):
  45                         if self.auth is None:
  46                                 self.glevel = -1
  47                         else:
  48                                 c = main.query("SELECT level FROM users WHERE auth = %s", (self.auth,))
  49                                 if c:
  50                                         row = c.fetchone()
  51                                         if row is not None:
  52                                                 self.glevel = row['level']
  53                                         else:
  54                                                 self.glevel = 0
  55                                 else:
  56                                         self.glevel = 0
  57                         return self.glevel
  58
  59                 def join(self, chan):
  60                         if chan not in self.chans: self.chans.append(chan)
  61                 def part(self, chan):
  62                         try:
  63                                 self.chans.remove(chan)
  64                         except: pass
  65                         return len(self.chans) == 0
  66                 def quit(self):
  67                         pass
  68                 def nickchange(self, newnick):
  69                         self.nick = newnick
  70
  71                 def __str__(self): return self.nick
  72                 def __repr__(self): return "<User %r (%d)>" % (self.nick,self.glevel)
  73
  74         class Channel(object):
  75                 def __init__(self, name, bot):
  76                         self.name = name
  77                         self.bot = bot
  78                         self.levels = {}
  79
  80                         self.users = []
  81                         self.voices = []
  82                         self.ops = []
  83
  84                         c = main.query("SELECT user, level FROM chusers WHERE chan = %s", (self.name,))
  85                         if c:
  86                                 row = c.fetchone()
  87                                 while row is not None:
  88                                         self.levels[row['user']] = row['level']
  89                                         row = c.fetchone()
  90
  91
  92                 def msg(self, *args, **kwargs):
  93                         self.bot.msg(self, *args, **kwargs)
  94                 def slowmsg(self, *args, **kwargs):
  95                         self.bot.slowmsg(self, *args, **kwargs)
  96                 def fastmsg(self, *args, **kwargs):
  97                         self.bot.fastmsg(self, *args, **kwargs)
  98
  99                 def levelof(self, auth):
 100                         if auth is None:
 101                                 return 0
 102                         auth = auth.lower()
 103                         if auth in self.levels:
 104                                 return self.levels[auth]
 105                         else:
 106                                 return 0
 107
 108                 def setlevel(self, auth, level, savetodb=True):
 109                         auth = auth.lower()
 110                         if savetodb:
 111                                 c = main.query("REPLACE INTO chusers (chan, user, level) VALUES (%s, %s, %s)", (self.name, auth, level))
 112                                 if c:
 113                                         self.levels[auth] = level
 114                                         return True
 115                                 else:
 116                                         return False
 117
 118                 def userjoin(self, user, level=None):
 119                         if user not in self.users: self.users.append(user)
 120                         if level == 'op' and user not in self.ops: self.ops.append(user)
 121                         if level == 'voice' and user not in self.voices: self.voices.append(user)
 122                 def userpart(self, user):
 123                         if user in self.ops: self.ops.remove(user)
 124                         if user in self.voices: self.voices.remove(user)
 125                         if user in self.users: self.users.remove(user)
 126
 127                 def userop(self, user):
 128                         if user in self.users and user not in self.ops: self.ops.append(user)
 129                 def uservoice(self, user):
 130                         if user in self.users and user not in self.voices: self.voices.append(user)
 131                 def userdeop(self, user):
 132                         if user in self.ops: self.ops.remove(user)
 133                 def userdevoice(self, user):
 134                         if user in self.voices: self.voices.remove(user)
 135
 136                 def __str__(self): return self.name
 137                 def __repr__(self): return "<Channel %r>" % (self.name)
 138
 139         def __init__(self, cfg):
 140                 self.cfg = cfg
 141                 self.trigger = cfg.trigger
 142                 if os.name == "posix":
 143                         self.potype = "poll"
 144                         self.po = select.poll()
 145                 else: # f.e. os.name == "nt" (Windows)
 146                         self.potype = "select"
 147                         self.fdlist = []
 148
 149         def query(self, *args, **kwargs):
 150                 if 'norecurse' in kwargs:
 151                         norecurse = kwargs['norecurse']
 152                         del kwargs['norecurse']
 153                 else:
 154                         norecurse = False
 155
 156                 self.log("[SQL]", "?", "query(%s, %s)" % (', '.join([repr(i) for i in args]), ', '.join([str(key)+"="+repr(kwargs[key]) for key in kwargs])))
 157                 try:
 158                         curs = self.db.cursor()
 159                         res = curs.execute(*args, **kwargs)
 160                         if res:
 161                                 return curs
 162                         else:
 163                                 return res
 164                 except MySQLdb.MySQLError as e:
 165                         self.log("[SQL]", "!", "MySQL error! %r" % (e))
 166                         if not norecurse:
 167                                 dbsetup()
 168                                 return self.query(*args, norecurse=True, **kwargs)
 169                         else:
 170                                 raise e
 171
 172         def newbot(self, nick, user, bind, authname, authpass, server, port, realname):
 173                 if bind is None: bind = ''
 174                 obj = bot.Bot(self, nick, user, bind, authname, authpass, server, port, realname)
 175                 self.bots[nick.lower()] = obj
 176
 177         def newfd(self, obj, fileno):
 178                 self.fds[fileno] = obj
 179                 if self.potype == "poll":
 180                         self.po.register(fileno, select.POLLIN)
 181                 elif self.potype == "select":
 182                         self.fdlist.append(fileno)
 183
 184         def bot(self, name): #get Bot() by name (nick)
 185                 return self.bots[name.lower()]
 186         def fd(self, fileno): #get Bot() by fd/fileno
 187                 return self.fds[fileno]
 188         def randbot(self): #get Bot() randomly
 189                 return self.bots[random.choice(self.bots.keys())]
 190
 191         def user(self, _nick, justjoined=False, create=True):
 192                 nick = _nick.lower()
 193                 if nick in self.users:
 194                         return self.users[nick]
 195                 elif create:
 196                         user = self.User(_nick)
 197                         self.users[nick] = user
 198
 199                         if justjoined:
 200                                 self.randbot().conn.send("WHO %s n%%ant,1" % (nick))
 201
 202                         return user
 203                 else:
 204                         return None
 205         def channel(self, name): #get Channel() by name
 206                 if name.lower() in self.chans:
 207                         return self.chans[name.lower()]
 208                 else:
 209                         return None
 210
 211         def newchannel(self, bot, name):
 212                 chan = self.Channel(name.lower(), bot)
 213                 self.chans[name.lower()] = chan
 214                 return chan
 215
 216         def poll(self):
 217                 if self.potype == "poll":
 218                         return [fd for (fd, ev) in self.po.poll()]
 219                 elif self.potype == "select":
 220                         return select.select(self.fdlist, [], [])[0]
 221
 222         def connectall(self):
 223                 for bot in self.bots.itervalues():
 224                         if bot.conn.state == 0:
 225                                 bot.connect()
 226
 227         def module(self, name):
 228                 return ctlmod.modules[name]
 229
 230         def log(self, source, level, message):
 231                 print "%09.3f %s [%s] %s" % (time.time() % 100000, source, level, message)
 232
 233         def getuserbyauth(self, auth):
 234                 return [u for u in self.users.itervalues() if u.auth == auth.lower()]
 235
 236         #bind functions
 237         def hook(self, word, handler):
 238                 try:
 239                         self.msghandlers[word].append(handler)
 240                 except:
 241                         self.msghandlers[word] = [handler]
 242         def unhook(self, word, handler):
 243                 if word in self.msghandlers and handler in self.msghandlers[word]:
 244                         self.msghandlers[word].remove(handler)
 245         def hashook(self, word):
 246                 return word in self.msghandlers and len(self.msghandlers[word]) != 0
 247         def gethook(self, word):
 248                 return self.msghandlers[word]
 249
 250         def hooknum(self, word, handler):
 251                 try:
 252                         self.numhandlers[word].append(handler)
 253                 except:
 254                         self.numhandlers[word] = [handler]
 255         def unhooknum(self, word, handler):
 256                 if word in self.numhandlers and handler in self.numhandlers[word]:
 257                         self.numhandlers[word].remove(handler)
 258         def hasnumhook(self, word):
 259                 return word in self.numhandlers and len(self.numhandlers[word]) != 0
 260         def getnumhook(self, word):
 261                 return self.numhandlers[word]
 262
 263         def hookchan(self, chan, handler):
 264                 try:
 265                         self.chanhandlers[chan].append(handler)
 266                 except:
 267                         self.chanhandlers[chan] = [handler]
 268         def unhookchan(self, chan, handler):
 269                 if chan in self.chanhandlers and handler in self.chanhandlers[chan]:
 270                         self.chanhandlers[chan].remove(handler)
 271         def haschanhook(self, chan):
 272                 return chan in self.chanhandlers and len(self.chanhandlers[chan]) != 0
 273         def getchanhook(self, chan):
 274                 return self.chanhandlers[chan]
 275
 276
 277 def dbsetup():
 278         main.db = None
 279         main.db = MySQLdb.connect(host=cfg.dbhost, user=cfg.dbuser, passwd=cfg.dbpass, db=cfg.dbname, cursorclass=MySQLdb.cursors.DictCursor)
 280
 281 def setup():
 282         global cfg, main
 283
 284         cfg = config.setup('bot.config')
 285
 286         if cfg.getboolean('debug', 'gc'):
 287                 gc.set_debug(gc.DEBUG_LEAK)
 288
 289         pidfile = open(cfg.pidfile, 'w')
 290         pidfile.write(str(os.getpid()))
 291         pidfile.close()
 292
 293         main = Erebus(cfg)
 294
 295         autoloads = [mod for mod, yes in cfg.items('autoloads') if int(yes) == 1]
 296         for mod in autoloads:
 297                 ctlmod.load(main, mod)
 298
 299         dbsetup()
 300         c = main.query("SELECT nick, user, bind, authname, authpass FROM bots WHERE active = 1")
 301         if c:
 302                 rows = c.fetchall()
 303                 c.close()
 304                 for row in rows:
 305                         main.newbot(row['nick'], row['user'], row['bind'], row['authname'], row['authpass'], cfg.host, cfg.port, cfg.realname)
 306         main.connectall()
 307
 308 def loop():
 309         poready = main.poll()
 310         for fileno in poready:
 311                 for line in main.fd(fileno).getdata():
 312                         main.fd(fileno).parse(line)
 313
 314 if __name__ == '__main__':
 315         try: os.rename('logfile', 'oldlogs/%s' % (time.time()))
 316         except: pass
 317         sys.stdout = open('logfile', 'w', 1)
 318         sys.stderr = sys.stdout
 319         setup()
 320         while True: loop()