mirror of https://github.com/nealey/firebot
115 lines
3.1 KiB
Python
115 lines
3.1 KiB
Python
import irc
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import re
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import random
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import types
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class Match:
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"""A wrapper around a regex match, to replace \008 with a word.
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"""
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def __init__(self, m, txt):
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self.m = m
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self.txt = txt
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def group(self, grp):
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g = self.m.group(grp)
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if g:
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g = g.replace('\008', self.txt)
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return g
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class BindingsBot(irc.Bot):
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"""An IRC bot with regex function bindings
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You can bind functions to things said in the channel by regular
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expression with this. See wouldmatch for an example of how to do
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this.
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"""
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msg_cat = {} # message catalog
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bindings = [] # function/catalog bindings to regexen
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def __init__(self, *gar):
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irc.Bot.__init__(self, *gar)
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self.last_tb = "Nothing's gone wrong yet!"
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def err(self, exception):
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"""Save the traceback for later inspection"""
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irc.Bot.err(self, exception)
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t,v,tb = exception
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tbinfo = []
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while 1:
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tbinfo.append ((
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tb.tb_frame.f_code.co_filename,
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tb.tb_frame.f_code.co_name,
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str(tb.tb_lineno)
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))
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tb = tb.tb_next
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if not tb:
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break
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# just to be safe
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del tb
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file, function, line = tbinfo[-1]
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info = '[' + '] ['.join(map(lambda x: '|'.join(x), tbinfo)) + ']'
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self.last_tb = '%s %s %s' % (t, v, info)
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print self.last_tb
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def matches(self, text):
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matches = []
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btext = text.replace(self.nick, '\008')
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for b in self.bindings:
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m = b[0].match(btext)
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if m:
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matches.append((m, b))
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return matches
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def cmd_privmsg(self, sender, forum, addl):
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for m, b in self.matches(addl[0]):
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f = b[1]
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if callable(f):
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cont = f(self, sender, forum, addl, Match(m, self.nick))
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elif type(f) == types.StringType:
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forum.msg(self.gettext(f, sender=sender.name(),
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forum=forum.name(), me=self.nick))
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cont = False
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else:
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raise ValueError("Can't handle type of %s", `f`)
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if not cont:
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break
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def gettext(self, msg, **dict):
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"""Format a message from the message catalog.
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Retrieve from the message catalog the message specified by msg,
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filling in arguments as specified by dict.
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"""
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m = random.choice(self.msg_cat[msg])
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return m % dict
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def tbinfo(self, sender, forum, addl, match):
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forum.msg(self.last_tb)
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bindings.append((re.compile(r"^\008[,: ]+(tbinfo|traceback)$"),
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tbinfo))
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def wouldmatch(self, sender, forum, addl, match):
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"""Show what binding would be matched"""
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text = match.group(1)
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matches = self.matches(text)
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m = [i[1][1] for i in matches]
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forum.msg('%s => %s' % (`text`, `m`))
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bindings.append((re.compile(r"^\008[,: ]+match (.+)$"),
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wouldmatch))
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#
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# Message catalog
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#
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msg_cat['okay'] = ('Okay, %(sender)s.',)
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