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                 chans = []
  21
  22                 def __init__(self, nick, auth=None):
  23                         self.nick = nick
  24                         self.auth = auth
  25                         self.checklevel()
  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 __str__(self): return self.nick
  49                 def __repr__(self): return "<User %r (%d)>" % (self.nick,self.glevel)
  50
  51         class Channel(object):
  52                 users = []
  53                 voices = []
  54                 ops = []
  55
  56                 def __init__(self, name):
  57                         self.name = name
  58
  59                 def userjoin(self, user, level=None):
  60                         if user not in self.users: self.users.append(user)
  61                         if level == 'op' and user not in self.ops: self.ops.append(user)
  62                         if level == 'voice' and user not in self.voices: self.voices.append(user)
  63                 def userpart(self, user):
  64                         if user in self.ops: self.ops.remove(user)
  65                         if user in self.voices: self.voices.remove(user)
  66                         if user in self.users: self.users.remove(user)
  67
  68                 def userop(self, user):
  69                         if user in self.users and user not in self.ops: self.ops.append(user)
  70                 def uservoice(self, user):
  71                         if user in self.users and user not in self.voices: self.voices.append(user)
  72                 def userdeop(self, user):
  73                         if user in self.ops: self.ops.remove(user)
  74                 def userdevoice(self, user):
  75                         if user in self.voices: self.voices.remove(user)
  76
  77                 def __str__(self): return self.name
  78                 def __repr__(self): return "<Channel %r>" % (self.name)
  79
  80         def __init__(self, trigger):
  81                 self.trigger = trigger
  82                 if os.name == "posix":
  83                         self.potype = "poll"
  84                         self.po = select.poll()
  85                 else: # f.e. os.name == "nt" (Windows)
  86                         self.potype = "select"
  87                         self.fdlist = []
  88
  89         def newbot(self, nick, user, bind, server, port, realname, chans):
  90                 if bind is None: bind = ''
  91                 obj = bot.Bot(self, nick, user, bind, server, port, realname, chans)
  92                 self.bots[nick.lower()] = obj
  93
  94         def newfd(self, obj, fileno):
  95                 self.fds[fileno] = obj
  96                 if self.potype == "poll":
  97                         self.po.register(fileno, select.POLLIN)
  98                 elif self.potype == "select":
  99                         self.fdlist.append(fileno)
 100
 101         def bot(self, name): #get Bot() by name (nick)
 102                 return self.bots[name.lower()]
 103         def fd(self, fileno): #get Bot() by fd/fileno
 104                 return self.fds[fileno]
 105
 106         def user(self, nick):
 107                 nick = nick.lower()
 108                 if nick in self.users:
 109                         return self.users[nick]
 110                 else:
 111                         user = self.User(nick)
 112                         self.users[nick] = user
 113                         return user
 114         def channel(self, name): #TODO #get Channel() by name
 115                 return self.Channel(name.lower())
 116
 117         def poll(self):
 118                 if self.potype == "poll":
 119                         return [fd for (fd, ev) in self.po.poll()]
 120                 elif self.potype == "select":
 121                         return select.select(self.fdlist, [], [])[0]
 122
 123         def connectall(self):
 124                 for bot in self.bots.itervalues():
 125                         if bot.conn.state == 0:
 126                                 bot.connect()
 127
 128         #bind functions
 129         def hook(self, word, handler):
 130                 self.msghandlers[word] = handler
 131         def unhook(self, word):
 132                 del self.msghandlers[word]
 133         def hashook(self, word):
 134                 return word in self.msghandlers
 135         def gethook(self, word):
 136                 return self.msghandlers[word]
 137
 138 def setup():
 139         global cfg, main
 140
 141         cfg = config.Config('bot.config')
 142         main = Erebus(cfg.trigger)
 143
 144         autoloads = [mod for mod, yes in cfg.items('autoloads') if int(yes) == 1]
 145         for mod in autoloads:
 146                 ctlmod.load(main, mod)
 147
 148         main.db = MySQLdb.connect(host=cfg.dbhost, user=cfg.dbuser, passwd=cfg.dbpass, db=cfg.dbname, cursorclass=MySQLdb.cursors.DictCursor)
 149         c = main.db.cursor()
 150         c.execute("SELECT nick, user, bind FROM bots WHERE active = 1")
 151         rows = c.fetchall()
 152         c.close()
 153         for row in rows:
 154                 c2 = main.db.cursor()
 155                 c2.execute("SELECT chname FROM chans WHERE bot = %s AND active = 1", (row['nick'],))
 156                 chans = [chdic['chname'] for chdic in c2.fetchall()]
 157                 c2.close()
 158                 main.newbot(row['nick'], row['user'], row['bind'], cfg.host, cfg.port, cfg.realname, chans)
 159         main.connectall()
 160
 161 def loop():
 162         poready = main.poll()
 163         for fileno in poready:
 164                 for line in main.fd(fileno).getdata():
 165                         main.fd(fileno).parse(line)
 166
 167 if __name__ == '__main__':
 168         setup()
 169         while True: loop()