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                         print "parent.User(self, %r, %r)" % (nick, auth)
  24                         self.nick = nick
  25                         self.auth = auth
  26                         self.checklevel()
  27
  28                 def isauthed(self):
  29                         return self.auth is not None
  30
  31                 def authed(self, auth):
  32                         if auth == '0': auth = None
  33                         self.auth = auth
  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                                 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                         return self.glevel
  48
  49                 def __str__(self): return self.nick
  50                 def __repr__(self): return "<User %r (%d)>" % (self.nick,self.glevel)
  51
  52         class Channel(object):
  53                 users = []
  54                 voices = []
  55                 ops = []
  56
  57                 def __init__(self, name):
  58                         self.name = name
  59
  60                 def userjoin(self, user, level=None):
  61                         if user not in self.users: self.users.append(user)
  62                         if level == 'op' and user not in self.ops: self.ops.append(user)
  63                         if level == 'voice' and user not in self.voices: self.voices.append(user)
  64                 def userpart(self, user):
  65                         if user in self.ops: self.ops.remove(user)
  66                         if user in self.voices: self.voices.remove(user)
  67                         if user in self.users: self.users.remove(user)
  68
  69                 def userop(self, user):
  70                         if user in self.users and user not in self.ops: self.ops.append(user)
  71                 def uservoice(self, user):
  72                         if user in self.users and user not in self.voices: self.voices.append(user)
  73                 def userdeop(self, user):
  74                         if user in self.ops: self.ops.remove(user)
  75                 def userdevoice(self, user):
  76                         if user in self.voices: self.voices.remove(user)
  77
  78                 def __str__(self): return self.name
  79                 def __repr__(self): return "<Channel %r>" % (self.name)
  80
  81         def __init__(self, trigger):
  82                 self.trigger = trigger
  83                 if os.name == "posix":
  84                         self.potype = "poll"
  85                         self.po = select.poll()
  86                 else: # f.e. os.name == "nt" (Windows)
  87                         self.potype = "select"
  88                         self.fdlist = []
  89
  90         def newbot(self, nick, user, bind, server, port, realname, chans):
  91                 if bind is None: bind = ''
  92                 obj = bot.Bot(self, nick, user, bind, server, port, realname, chans)
  93                 self.bots[nick.lower()] = obj
  94
  95         def newfd(self, obj, fileno):
  96                 self.fds[fileno] = obj
  97                 if self.potype == "poll":
  98                         self.po.register(fileno, select.POLLIN)
  99                 elif self.potype == "select":
 100                         self.fdlist.append(fileno)
 101
 102         def bot(self, name): #get Bot() by name (nick)
 103                 return self.bots[name.lower()]
 104         def fd(self, fileno): #get Bot() by fd/fileno
 105                 return self.fds[fileno]
 106
 107         def user(self, nick):
 108                 nick = nick.lower()
 109                 if nick in self.users:
 110                         return self.users[nick]
 111                 else:
 112                         user = self.User(nick)
 113                         self.users[nick] = user
 114                         return user
 115         def channel(self, name): #TODO #get Channel() by name
 116                 return self.Channel(name.lower())
 117
 118         def poll(self):
 119                 if self.potype == "poll":
 120                         return [fd for (fd, ev) in self.po.poll()]
 121                 elif self.potype == "select":
 122                         return select.select(self.fdlist, [], [])[0]
 123
 124         def connectall(self):
 125                 for bot in self.bots.itervalues():
 126                         if bot.conn.state == 0:
 127                                 bot.connect()
 128
 129         #bind functions
 130         def hook(self, word, handler):
 131                 self.msghandlers[word] = handler
 132         def unhook(self, word):
 133                 del self.msghandlers[word]
 134         def hashook(self, word):
 135                 return word in self.msghandlers
 136         def gethook(self, word):
 137                 return self.msghandlers[word]
 138
 139 def setup():
 140         global cfg, main
 141
 142         cfg = config.Config('bot.config')
 143         main = Erebus(cfg.trigger)
 144
 145         autoloads = [mod for mod, yes in cfg.items('autoloads') if int(yes) == 1]
 146         print autoloads
 147         for mod in autoloads:
 148                 ctlmod.load(main, mod)
 149
 150         main.db = MySQLdb.connect(host=cfg.dbhost, user=cfg.dbuser, passwd=cfg.dbpass, db=cfg.dbname, cursorclass=MySQLdb.cursors.DictCursor)
 151         c = main.db.cursor()
 152         c.execute("SELECT nick, user, bind FROM bots WHERE active = 1")
 153         rows = c.fetchall()
 154         c.close()
 155         for row in rows:
 156                 c2 = main.db.cursor()
 157                 c2.execute("SELECT chname FROM chans WHERE bot = %s AND active = 1", (row['nick'],))
 158                 chans = [chdic['chname'] for chdic in c2.fetchall()]
 159                 c2.close()
 160                 main.newbot(row['nick'], row['user'], row['bind'], cfg.host, cfg.port, cfg.realname, chans)
 161         main.connectall()
 162
 163 def loop():
 164         poready = main.poll()
 165         for fileno in poready:
 166                 main.fd(fileno).getdata()
 167
 168 if __name__ == '__main__':
 169         setup()
 170         while True: loop()