scrappy.py

   1 #!/usr/bin/env python
   2 # Thou shalt use a fixed tab size of 8
   3
   4 import irclib_scrappy
   5 import sys
   6
   7 DEBUG = True
   8
   9 def debug(msg):
  10         if DEBUG:
  11                 print msg
  12 def loadme(self):
  13         debug("LOADME")
  14
  15 def modload_cmd(c,list,bot):
  16         """modload - Loads a module"""
  17         cmd = list[4].split(" ")[0]
  18
  19         if cmd == "modload" and list[3]:
  20                 param = list[4].split(" ")[1]
  21                 bot.load_module(param)
  22
  23 def modlist_cmd(c,list,bot):
  24         """modlist - Lists loaded modules"""
  25         if list[4] == "modlist" and list[3]:
  26                 c.privmsg(list[0],bot.modulelist)
  27
  28
  29 class scrappy:
  30         def __init__(self):
  31                 debug("Scrappy bot started.")
  32                 self.cmdchar = '!'
  33                 self.nickname = 'Scrappy'
  34                 self.username = 'scrappy'
  35                 self.realname = 'Scrappy Bot'
  36                 self.nickservpass = ''
  37                 self.identify = False
  38                 self.server = ''
  39                 self.port = 6667
  40                 self.chanlist = []
  41                 self.irc = '' #this will be the socket
  42                 self.c = '' #Thomas, explain this to me later
  43
  44                 #testvar, should be gotten rid of
  45                 self.configing = False
  46
  47                 #Experimental stuff for dynamic modules
  48                 self.modulelist = []
  49                 self.privmsg_events = []
  50                 self.pubmsg_events = []
  51                 self.onload_events = []
  52                 self.onquit_events = []
  53                 #self.what_other_events? = []
  54
  55                 #load modules(currently in main())
  56                 self.load_module("config")
  57                 self.load_module("core")
  58
  59                 self.register_onload_event(loadme)
  60
  61                 #on_load event
  62                 self.on_load()
  63
  64                 self.__main()
  65
  66         def parse_argv(self):
  67                 """Parse the commandline args and print a usage message if incorrect."""
  68                 if len(sys.argv) < 3: #Need at least server
  69                         self.print_usage()
  70                         sys.exit(1)
  71
  72                 s = sys.argv[1].split(":", 1)
  73                 self.server = s[0]
  74
  75                 if len(s) == 2:
  76                         try:
  77                                 self.port = int(s[1])
  78                         except ValueError:
  79                                 print "Error: Erroneous port."
  80                                 sys.exit(1)
  81
  82                 self.nickname = sys.argv[2]
  83                 for ch in sys.argv[3:]:
  84                         self.chanlist.append('#%s' % ch)
  85
  86         def print_usage(self):
  87                 print 'Usage: %s <server[:port]> <nickname> [channel 1 channel 2 ... channelN]' % sys.argv[0]
  88
  89         def __main(self):
  90                 self.parse_argv()
  91                 self.irc = irclib_scrappy.IRC()
  92
  93                 try:
  94                         self.c = self.irc.server().connect(self.server,
  95                                         self.port, self.nickname,
  96                                         username=self.username,ircname=self.realname)
  97                 except irclib_scrappy.ServerConnectionError, x:
  98                         print x
  99                         sys.exit(1)
 100
 101                 #if all goes well, register handlers
 102                 self.c.add_global_handler("welcome", self.on_connect)
 103                 self.c.add_global_handler("disconnect", self.on_disconnect)
 104                 self.c.add_global_handler("privmsg", self.on_privmsg)
 105                 self.c.add_global_handler("pubmsg", self.on_pubmsg)
 106
 107                 #register some phony modules for testing
 108 #               self.register_module("My phony module", 'foo', 'foo')
 109 #               self.register_module("Another phony module", 'foo', 'foo')
 110
 111                 #register some events
 112                 self.register_msg_event(modload_cmd)
 113                 self.register_msg_event(modlist_cmd)
 114
 115                 self.list_modules()
 116
 117                 #nothng after this executes
 118                 self.irc.process_forever()
 119
 120         ##################
 121         #Event Processing#
 122         ##################
 123         def register_privmsg_event(self,func):
 124                 self.privmsg_events.append(func)
 125
 126         def register_pubmsg_event(self,func):
 127                 self.pubmsg_events.append(func)
 128
 129         #Convenience function, registers the func
 130         #for both privmsgs and pubmsgs
 131         def register_msg_event(self,func):
 132                 self.register_privmsg_event(func)
 133                 self.register_pubmsg_event(func)
 134
 135         def register_onload_event(self,func):
 136                 self.onload_events.append(func)
 137
 138         def register_onquit_event(self,func):
 139                 self.onquit_events.append(func)
 140
 141         ################
 142         #Event Handlers#
 143         ################
 144         def on_connect(self, c, event):
 145                 for ch in self.chanlist:
 146                         if irclib_scrappy.is_channel(ch) :
 147                                 c.join(ch)
 148
 149                 if self.identify == True:
 150                     self.c.privmsg("nickserv", "identify %s" % self.nickservpass)
 151
 152         def on_pubmsg(self, c, event):
 153                 arg = event.arguments()[0]
 154                 iscmd = False
 155
 156                 nick = irclib_scrappy.nm_to_n(event.source())
 157                 user = irclib_scrappy.nm_to_u(event.source())
 158                 host = irclib_scrappy.nm_to_h(event.source())
 159
 160                 debug(nick)
 161
 162                 if arg[0] == self.cmdchar:
 163                         cmd = arg[1:]
 164                         iscmd = True
 165                 else:
 166                         cmd = arg
 167
 168                 #dispatch the command
 169                 for func in self.pubmsg_events:
 170                         func(c,[nick,user,host,iscmd,cmd,event.target()],self)
 171
 172         def on_privmsg(self, c, event):
 173                 cmd = event.arguments()[0]
 174                 iscmd = False
 175
 176                 nick = irclib_scrappy.nm_to_n(event.source())
 177                 user = irclib_scrappy.nm_to_u(event.source())
 178                 host = irclib_scrappy.nm_to_h(event.source())
 179
 180                 if cmd[0] == self.cmdchar:
 181                         c.privmsg(nick,"You privmsged me, you don't need to " +
 182                         "prefix commands with %s" % self.cmdchar)
 183                         cmd = cmd[1:]
 184
 185                 iscmd = True
 186
 187                 #dispatch the command
 188                 for func in self.privmsg_events:
 189                         func(c,[nick,user,host,iscmd,cmd,event.target()],self)
 190
 191
 192         def on_disconnect(self, c, event):
 193                 for func in self.onquit_events:
 194                         func()
 195
 196                 sys.exit(0)
 197
 198         def on_load(self):
 199                 for func in self.onload_events:
 200                         func(self)
 201
 202         ################
 203         #Module Loading#
 204         ################
 205         def load_module(self,name):
 206                 #maybe we should keep the module around?
 207                 try:
 208                         module = __import__("modules/%s" % name)
 209                 except ImportError:
 210                         #should be error output
 211                         print "No such module\n"
 212                         return
 213
 214                 module.__init__(self)
 215                 self.register_module(name,'foo','foo')
 216
 217         def register_module(self, name, eventlist, function):
 218                 self.modulelist.append(name)
 219
 220         def list_modules(self):
 221                 """List currently loaded modules."""
 222                 print "Currently loaded modules:"
 223                 for mod in self.modulelist:
 224                         print mod
 225
 226
 227 if(__name__ == "__main__"):
 228         bot = scrappy()
 229