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, time
   9 import bot, config, ctlmod
  10
  11 class Erebus(object):
  12         bots = {}
  13         fds = {}
  14         mods = {}
  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 isauthed(self):
  30                         return self.auth is not None
  31
  32                 def authed(self, auth):
  33                         if auth == '0': self.auth = None
  34                         else: self.auth = auth.lower()
  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                                 if 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                                 else:
  49                                         self.glevel = 0
  50                         return self.glevel
  51
  52                 def join(self, chan):
  53                         self.chans.append(chan)
  54                 def part(self, chan):
  55                         self.chans.remove(chan)
  56
  57                 def __str__(self): return self.nick
  58                 def __repr__(self): return "<User %r (%d)>" % (self.nick,self.glevel)
  59
  60         class Channel(object):
  61                 def __init__(self, name, bot):
  62                         self.name = name
  63                         self.bot = bot
  64                         self.levels = {}
  65
  66                         self.users = []
  67                         self.voices = []
  68                         self.ops = []
  69
  70                         c = main.db.cursor()
  71                         if c.execute("SELECT user, level FROM chusers WHERE chan = %s", (self.name,)):
  72                                 row = c.fetchone()
  73                                 while row is not None:
  74                                         self.levels[row['user']] = row['level']
  75                                         row = c.fetchone()
  76
  77
  78                 def levelof(self, auth):
  79                         auth = auth.lower()
  80                         if auth in self.levels:
  81                                 return self.levels[auth]
  82                         else:
  83                                 return 0
  84
  85                 def setlevel(self, auth, level, savetodb=True):
  86                         auth = auth.lower()
  87                         if savetodb:
  88                                 c = main.db.cursor()
  89                                 if c.execute("REPLACE INTO chusers (chan, user, level) VALUES (%s, %s, %s)", (self.name, auth, level)):
  90                                         self.levels[auth] = level
  91                                         return True
  92                                 else:
  93                                         return False
  94
  95                 def userjoin(self, user, level=None):
  96                         if user not in self.users: self.users.append(user)
  97                         if level == 'op' and user not in self.ops: self.ops.append(user)
  98                         if level == 'voice' and user not in self.voices: self.voices.append(user)
  99                 def userpart(self, user):
 100                         if user in self.ops: self.ops.remove(user)
 101                         if user in self.voices: self.voices.remove(user)
 102                         if user in self.users: self.users.remove(user)
 103
 104                 def userop(self, user):
 105                         if user in self.users and user not in self.ops: self.ops.append(user)
 106                 def uservoice(self, user):
 107                         if user in self.users and user not in self.voices: self.voices.append(user)
 108                 def userdeop(self, user):
 109                         if user in self.ops: self.ops.remove(user)
 110                 def userdevoice(self, user):
 111                         if user in self.voices: self.voices.remove(user)
 112
 113                 def __str__(self): return self.name
 114                 def __repr__(self): return "<Channel %r>" % (self.name)
 115
 116         def __init__(self, trigger):
 117                 self.trigger = trigger
 118                 if os.name == "posix":
 119                         self.potype = "poll"
 120                         self.po = select.poll()
 121                 else: # f.e. os.name == "nt" (Windows)
 122                         self.potype = "select"
 123                         self.fdlist = []
 124
 125         def newbot(self, nick, user, bind, server, port, realname):
 126                 if bind is None: bind = ''
 127                 obj = bot.Bot(self, nick, user, bind, server, port, realname)
 128                 self.bots[nick.lower()] = obj
 129
 130         def newfd(self, obj, fileno):
 131                 self.fds[fileno] = obj
 132                 if self.potype == "poll":
 133                         self.po.register(fileno, select.POLLIN)
 134                 elif self.potype == "select":
 135                         self.fdlist.append(fileno)
 136
 137         def bot(self, name): #get Bot() by name (nick)
 138                 return self.bots[name.lower()]
 139         def fd(self, fileno): #get Bot() by fd/fileno
 140                 return self.fds[fileno]
 141         def randbot(self): #get Bot() randomly
 142                 for b in self.bots.itervalues(): return b #TODO
 143
 144         def user(self, nick, justjoined=False):
 145                 nick = nick.lower()
 146                 if nick in self.users:
 147                         return self.users[nick]
 148                 else:
 149                         user = self.User(nick)
 150                         self.users[nick] = user
 151
 152                         if justjoined:
 153                                 self.randbot().conn.send("WHO %s %%ant,2" % (nick))
 154
 155                         return user
 156         def channel(self, name): #get Channel() by name
 157                 if name.lower() in self.chans:
 158                         return self.chans[name.lower()]
 159                 else:
 160                         return None
 161
 162         def newchannel(self, bot, name):
 163                 chan = self.Channel(name.lower(), bot)
 164                 self.chans[name.lower()] = chan
 165                 return chan
 166
 167         def poll(self):
 168                 if self.potype == "poll":
 169                         return [fd for (fd, ev) in self.po.poll()]
 170                 elif self.potype == "select":
 171                         return select.select(self.fdlist, [], [])[0]
 172
 173         def connectall(self):
 174                 for bot in self.bots.itervalues():
 175                         if bot.conn.state == 0:
 176                                 bot.connect()
 177
 178         #bind functions
 179         def hook(self, word, handler):
 180                 try:
 181                         self.msghandlers[word].append(handler)
 182                 except:
 183                         self.msghandlers[word] = [handler]
 184         def unhook(self, word, handler):
 185                 if word in self.msghandlers and handler in self.msghandlers[word]:
 186                         self.msghandlers[word].remove(handler)
 187         def hashook(self, word):
 188                 return word in self.msghandlers and len(self.msghandlers[word]) != 0
 189         def gethook(self, word):
 190                 return self.msghandlers[word]
 191
 192         def hooknum(self, word, handler):
 193                 try:
 194                         self.numhandlers[word].append(handler)
 195                 except:
 196                         self.numhandlers[word] = [handler]
 197         def unhooknum(self, word, handler):
 198                 if word in self.numhandlers and handler in self.numhandlers[word]:
 199                         self.numhandlers[word].remove(handler)
 200         def hasnumhook(self, word):
 201                 return word in self.numhandlers and len(self.numhandlers[word]) != 0
 202         def getnumhook(self, word):
 203                 return self.numhandlers[word]
 204
 205         def hookchan(self, chan, handler):
 206                 try:
 207                         self.chanhandlers[chan].append(handler)
 208                 except:
 209                         self.chanhandlers[chan] = [handler]
 210         def unhookchan(self, chan, handler):
 211                 if chan in self.chanhandlers and handler in self.chanhandlers[chan]:
 212                         self.chanhandlers[chan].remove(handler)
 213         def haschanhook(self, chan):
 214                 return chan in self.chanhandlers and len(self.chanhandlers[chan]) != 0
 215         def getchanhook(self, chan):
 216                 return self.chanhandlers[chan]
 217
 218
 219 class MyCursor(MySQLdb.cursors.DictCursor):
 220         def execute(self, *args, **kwargs):
 221                 print "[SQL] [#] MyCursor.execute(self, %s, %s)" % (', '.join([repr(i) for i in args]), ', '.join([str(key)+"="+repr(kwargs[key]) for key in kwargs]))
 222                 try:
 223                         super(self.__class__, self).execute(*args, **kwargs)
 224                 except MySQLdb.MySQLError as e:
 225                         print "[SQL] [!] MySQL error! %r" % (e)
 226                         dbsetup()
 227                         return False
 228                 return True
 229
 230
 231 def dbsetup():
 232         main.db = None
 233         main.db = MySQLdb.connect(host=cfg.dbhost, user=cfg.dbuser, passwd=cfg.dbpass, db=cfg.dbname, cursorclass=MyCursor)
 234
 235 def setup():
 236         global cfg, main
 237
 238         cfg = config.Config('bot.config')
 239         main = Erebus(cfg.trigger)
 240
 241         autoloads = [mod for mod, yes in cfg.items('autoloads') if int(yes) == 1]
 242         for mod in autoloads:
 243                 print "Loading %s" % (mod)
 244                 ctlmod.load(main, mod)
 245
 246         dbsetup()
 247         c = main.db.cursor()
 248         if c.execute("SELECT nick, user, bind FROM bots WHERE active = 1"):
 249                 rows = c.fetchall()
 250                 c.close()
 251                 for row in rows:
 252                         main.newbot(row['nick'], row['user'], row['bind'], cfg.host, cfg.port, cfg.realname)
 253         main.connectall()
 254
 255 def loop():
 256         poready = main.poll()
 257         for fileno in poready:
 258                 for line in main.fd(fileno).getdata():
 259                         main.fd(fileno).parse(line)
 260
 261 if __name__ == '__main__':
 262         setup()
 263         while True: loop()