Phenny2, now being tested on Freenode as the main phenny.

bot.py

@@ -0,0 +1,202 @@
+#!/usr/bin/env python
+"""
+bot.py - Phenny IRC Bot
+Copyright 2008, Sean B. Palmer, inamidst.com
+Licensed under the Eiffel Forum License 2.
+
+http://inamidst.com/phenny/
+"""
+
+import sys, os, re, time, threading, optparse
+import irc
+
+home = os.getcwd()
+
+def decode(bytes): 
+   try: text = bytes.decode('utf-8')
+   except UnicodeDecodeError: 
+      try: text = bytes.decode('iso-8859-1')
+      except UnicodeDecodeError: 
+         text = bytes.decode('cp1252')
+   return text
+
+class Phenny(irc.Bot): 
+   def __init__(self, config): 
+      irc.Bot.__init__(self, config.nick, config.name, config.channels)
+      self.config = config
+      self.doc = {}
+      self.stats = {}
+      self.setup()
+
+   def setup(self): 
+      self.variables = {}
+
+      if not hasattr(self.config, 'enable'): 
+         load = [('modules', filename[:-3]) 
+                 for filename in os.listdir(os.path.join(home, 'modules'))
+                 if filename.endswith('.py') and
+                 not filename.startswith('_') and 
+                 not filename[:-3] in self.config.disable]
+      else: load = [('modules', e) for e in self.config.enable]
+
+      if hasattr(self.config, 'opt'): 
+         load += [('opt', o) for o in self.config.opt]
+
+      modules = []
+      for package, name in load: 
+         try: module = getattr(__import__(package + '.' + name), name)
+         except Exception, e: 
+            print >> sys.stderr, "Error loading %s: %s" % (name, e)
+         else: 
+            if hasattr(module, 'setup'): 
+               module.setup(self)
+            self.register(vars(module))
+            modules.append(name)
+
+      if modules: 
+         print >> sys.stderr, 'Registered modules:', ', '.join(modules)
+      else: print >> sys.stderr, "Warning: Couldn't find any modules"
+
+      self.bind_commands()
+
+   def register(self, variables): 
+      # This is used by reload.py, hence it being methodised
+      for name, obj in variables.iteritems(): 
+         if hasattr(obj, 'commands') or hasattr(obj, 'rule'): 
+            self.variables[name] = obj
+
+   def bind_commands(self): 
+      self.commands = {'high': {}, 'medium': {}, 'low': {}}
+      
+      def bind(self, priority, regexp, func): 
+         print priority, regexp.pattern.encode('utf-8'), func
+         self.commands[priority].setdefault(regexp, []).append(func)
+         # @@ register documentation
+         if func.__doc__: 
+            if hasattr(func, 'name'): 
+               name = func.name
+            else: name = func.__name__
+            if hasattr(func, 'example'): 
+               example = func.example
+               example = example.replace('$nickname', self.nick)
+            else: example = None
+            self.doc[name] = (func.__doc__, example)
+
+      def sub(pattern, self=self): 
+         # These replacements have significant order
+         pattern = pattern.replace('$nickname', self.nick)
+         return pattern.replace('$nick', r'%s[,:] +' % self.nick)
+
+      for name, func in self.variables.iteritems(): 
+         # print name, func
+         if not hasattr(func, 'priority'): 
+            func.priority = 'medium'
+
+         if not hasattr(func, 'thread'): 
+            func.thread = True
+
+         if not hasattr(func, 'event'): 
+            func.event = 'PRIVMSG'
+         else: func.event = func.event.upper()
+
+         if hasattr(func, 'rule'): 
+            if isinstance(func.rule, str): 
+               pattern = sub(func.rule)
+               regexp = re.compile(pattern)
+               bind(self, func.priority, regexp, func)
+
+            if isinstance(func.rule, tuple): 
+               # 1) e.g. ('$nick', '(.*)')
+               if len(func.rule) == 2 and isinstance(func.rule[0], str): 
+                  prefix, pattern = func.rule
+                  prefix = sub(prefix)
+                  regexp = re.compile(prefix + pattern)
+                  bind(self, func.priority, regexp, func)
+
+               # 2) e.g. (['p', 'q'], '(.*)')
+               elif len(func.rule) == 2 and isinstance(func.rule[0], list): 
+                  prefix = self.config.prefix
+                  commands, pattern = func.rule
+                  for command in commands: 
+                     command = r'(%s) +' % command
+                     regexp = re.compile(prefix + command + pattern)
+                     bind(self, func.priority, regexp, func)
+
+               # 3) e.g. ('$nick', ['p', 'q'], '(.*)')
+               elif len(func.rule) == 3: 
+                  prefix, commands, pattern = func.rule
+                  prefix = sub(prefix)
+                  for command in commands: 
+                     command = r'(%s) +' % command
+                     regexp = re.compile(prefix + command + pattern)
+                     bind(self, func.priority, regexp, func)
+
+         if hasattr(func, 'commands'): 
+            for command in func.commands: 
+               template = r'^%s(%s)(?: +(.*))?$'
+               pattern = template % (self.config.prefix, command)
+               regexp = re.compile(pattern)
+               bind(self, func.priority, regexp, func)
+
+   def wrapped(self, origin, text, match): 
+      class PhennyWrapper(object): 
+         def __init__(self, phenny): 
+            self.bot = phenny
+
+         def __getattr__(self, attr): 
+            if attr == 'reply': 
+               return (lambda msg: 
+                  self.bot.msg(origin.sender, origin.nick + ': ' + msg))
+            elif attr == 'say': 
+               return lambda msg: self.bot.msg(origin.sender, msg)
+            return getattr(self.bot, attr)
+
+      return PhennyWrapper(self)
+
+   def input(self, origin, text, bytes, match, event): 
+      class CommandInput(unicode): 
+         def __new__(cls, text, origin, bytes, match, event): 
+            s = unicode.__new__(cls, text)
+            s.sender = origin.sender
+            s.nick = origin.nick
+            s.event = event
+            s.bytes = bytes
+            s.match = match
+            s.group = match.group
+            s.groups = match.groups
+            s.admin = origin.nick in self.config.admins
+            s.owner = origin.nick == self.config.owner
+            return s
+
+      return CommandInput(text, origin, bytes, match, event)
+
+   def call(self, func, origin, phenny, input): 
+      try: func(phenny, input)
+      except Exception, e: 
+         self.error(origin)
+
+   def dispatch(self, origin, args): 
+      bytes, event = args[0], args[1]
+      text = decode(bytes)
+
+      for priority in ('high', 'medium', 'low'): 
+         items = self.commands[priority].items()
+         for regexp, funcs in items: 
+            for func in funcs: 
+               if event != func.event: continue
+   
+               match = regexp.match(text)
+               if match: 
+                  # print 'STATS:', origin.sender, func.__name__
+
+                  phenny = self.wrapped(origin, text, match)
+                  input = self.input(origin, text, bytes, match, event)
+
+                  if func.thread: 
+                     args = (func, origin, phenny, input)
+                     t = threading.Thread(target=self.call, args=args)
+                     t.start()
+                  else: self.call(func, origin, phenny, input)
+
+if __name__ == '__main__': 
+   print __doc__