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