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