]> jfr.im git - erebus.git/blobdiff - modlib.py
trivia - minor updates
[erebus.git] / modlib.py
index 323ef0222579ce7bcfbcd1f363b37c60a2b17f16..9f59573eb6a9e7e20d4f83f4a5c2426c666edad2 100644 (file)
--- a/modlib.py
+++ b/modlib.py
@@ -1,3 +1,7 @@
+# Erebus IRC bot - Author: John Runyon
+# module helper functions, see modules/modtest.py for usage
+# This file is released into the public domain; see http://unlicense.org/
+
 class error(object):
        def __init__(self, desc):
                self.errormsg = desc
@@ -6,27 +10,164 @@ class error(object):
        def __repr__(self):
                return '<modlib.error %r>' % self.errormsg
        def __str__(self):
-               return self.errormsg
+               return str(self.errormsg)
 
 class modlib(object):
+       # default (global) access levels
+       OWNER   = 100
+       MANAGER =  99
+       ADMIN   =  75
+       STAFF   =  50
+       AUTHED  =   0
+       ANYONE  =  -1
+       IGNORED =  -2
+
+       # (channel) access levels
+       COWNER  =   5
+       MASTER  =   4
+       OP      =   3
+       VOICE   =   2
+       KNOWN   =   1
+       PUBLIC  =   0 #anyone (use glevel to control auth-needed)
+       BANNED  =  -1
+
+       # messages
+       WRONGARGS = "Wrong number of arguments."
+
        def __init__(self, name):
                self.hooks = {}
+               self.numhooks = {}
+               self.chanhooks = {}
+               self.helps = []
                self.parent = None
 
-               self.name = name
+               self.name = (name.split("."))[-1]
 
        def modstart(self, parent):
+               #modstart can return a few things...
+               # None: unspecified success
+               # False: unspecified error
+               # modlib.error (or anything else False-y): specified error
+               # True: unspecified success
+               # non-empty string (or anything else True-y): specified success
+               #"specified" values will be printed. unspecified values will result in "OK" or "failed"
                self.parent = parent
                for cmd, func in self.hooks.iteritems():
                        self.parent.hook(cmd, func)
+                       self.parent.hook("%s.%s" % (self.name, cmd), func)
+               for num, func in self.numhooks.iteritems():
+                       self.parent.hooknum(num, func)
+               for chan, func in self.chanhooks.iteritems():
+                       self.parent.hookchan(chan, func)
+
+               for func, args, kwargs in self.helps:
+                       try:
+                               self.mod('help').reghelp(func, *args, **kwargs)
+                       except:
+                               pass
+               return True
        def modstop(self, parent):
                for cmd, func in self.hooks.iteritems():
-                       self.parent.unhook(cmd, func)
+                       parent.unhook(cmd, func)
+                       parent.unhook("%s.%s" % (self.name, cmd), func)
+               for num, func in self.numhooks.iteritems():
+                       parent.unhooknum(num, func)
+               for chan, func in self.chanhooks.iteritems():
+                       parent.unhookchan(chan, func)
+
+               for func, args, kwargs in self.helps:
+                       try:
+                               self.mod('help').dereghelp(func, *args, **kwargs)
+                       except:
+                               pass
+               return True
+
+       def hooknum(self, num):
+               def realhook(func):
+                       self.numhooks[str(num)] = func
+                       if self.parent is not None:
+                               self.parent.hooknum(str(num), func)
+                       return func
+               return realhook
+
+       def hookchan(self, chan, glevel=ANYONE, clevel=PUBLIC):
+               def realhook(func):
+                       self.chanhooks[chan] = func
+                       if self.parent is not None:
+                               self.parent.hookchan(chan, func)
+                       return func
+               return realhook
+
+       def hook(self, cmd=None, needchan=True, glevel=ANYONE, clevel=PUBLIC):
+               _cmd = cmd #save this since it gets wiped out...
+               def realhook(func):
+                       cmd = _cmd #...and restore it
+                       if cmd is None:
+                               cmd = func.__name__ # default to function name
+                       if isinstance(cmd, basestring):
+                               cmd = (cmd,)
+
+                       func.needchan = needchan
+                       func.reqglevel = glevel
+                       func.reqclevel = clevel
+                       func.cmd = cmd
+                       func.module = func.__module__.split('.')[1]
+
+                       for c in cmd:
+                               self.hooks[c] = func
+                               if self.parent is not None:
+                                       self.parent.hook(c, func)
+                                       self.parent.hook("%s.%s" % (self.name, c), func)
+                       return func
+               return realhook
+
+       def mod(self, modname):
+               if self.parent is not None:
+                       return self.parent.module(modname)
+               else:
+                       return error('unknown parent')
+
+       def argsEQ(self, num):
+               def realhook(func):
+                       def checkargs(bot, user, chan, realtarget, *args):
+                               if len(args) == num:
+                                       return func(bot, user, chan, realtarget, *args)
+                               else:
+                                       bot.msg(user, self.WRONGARGS)
+                       checkargs.__name__ = func.__name__
+                       checkargs.__module__ = func.__module__
+                       return checkargs
+               return realhook
+
+       def argsGE(self, num):
+               def realhook(func):
+                       def checkargs(bot, user, chan, realtarget, *args):
+                               if len(args) >= num:
+                                       return func(bot, user, chan, realtarget, *args)
+                               else:
+                                       bot.msg(user, self.WRONGARGS)
+                       checkargs.__name__ = func.__name__
+                       checkargs.__module__ = func.__module__
+                       return checkargs
+               return realhook
 
-       def hook(self, cmd):
+       def help(self, *args, **kwargs):
+               """help(syntax, shorthelp, longhelp?, more lines longhelp?, cmd=...?)
+               Example:
+               help("<user> <pass>", "login")
+                       ^ Help will only be one line. Command name determined based on function name.
+               help("<user> <level>", "add a user", cmd=("adduser", "useradd"))
+                       ^ Help will be listed under ADDUSER; USERADD will say "alias for adduser"
+               help(None, "do stuff", "This command is really complicated.")
+                       ^ Command takes no args. Short description (in overall HELP listing) is "do stuff".
+                       Long description (HELP <command>) will say "<command> - do stuff", newline, "This command is really complicated."
+               """
                def realhook(func):
-                       self.hooks[cmd] = func
                        if self.parent is not None:
-                               self.parent.hook(cmd, func)
+                               try:
+                                       self.mod('help').reghelp(func, *args, **kwargs)
+                               except:
+                                       pass
+                       self.helps.append((func,args,kwargs))
                        return func
                return realhook