From 4dfd9d6853d4a6a452c9c9903bb80ba58ea51366 Mon Sep 17 00:00:00 2001
From: Sridhar Ratna <srid@naboo.lispr.in>
Date: Tue, 1 Jan 2008 16:23:45 +0000
Subject: [PATCH] neat hack: probability_of_one_by

---
 plugins.py | 33 ++++++++++++++++++++++++++-------
 1 file changed, 26 insertions(+), 7 deletions(-)

diff --git a/plugins.py b/plugins.py
index d9b35de..0582c1f 100644
--- a/plugins.py
+++ b/plugins.py
@@ -1,9 +1,14 @@
+from __future__ import with_statement
+
 import twisted
 from twisted.python import log
 
 from datetime import datetime
 import random, time, re, urllib
 
+from contextlib import contextmanager
+
+
 PREFIX = ','
 SOURCE = 'http://repo.or.cz/w/lusty.git'
 
@@ -29,6 +34,11 @@ def prefixMatch(string, prefixes):
     else:
         return None
 
+@contextmanager
+def probability_of_one_by(n):
+    random.seed(time.time())
+    yield 0 == random.choice(range(n))
+
 def soupify(url):
     from BeautifulSoup import BeautifulSoup
     import urllib2
@@ -235,8 +245,9 @@ class Filters(BotActions):
     def respondWisely(self, msg, for_words, with_responses, one_for_every=1):
         random.seed(time.time())
         if self.grep(msg, for_words):
-            if random.choice(range(one_for_every)) == 0:
-                self.toChannel(random.choice(with_responses))
+            with probability_of_one_by(one_for_every) as do:
+                if do:
+                    self.toChannel(random.choice(with_responses))
 
     def filter_obscene(self, msg):
         words = ['fuck', 'f**k', 'bitch', 'cunt', 'tits']
@@ -289,11 +300,19 @@ class Filters(BotActions):
 
     def filter_random(self, msg):
         random.seed(time.time())
-        if random.choice(range(100)) == 0:
-            self.doAction(
-                random.choice([
-                        'looks around nervously',
-                        ]))
+        with probability_of_one_by(100) as do:
+            if do:
+                with probability_of_one_by(2) as do2:
+                    if do2:
+                        self.doAction(
+                            random.choice([
+                                    'looks around nervously',
+                                    ]))
+                    else:
+                        self.toChannel(
+                            random.choice([
+                                    'Let\'s fight a land war in space.'
+                                    ]))
 
     _filter_links_url = re.compile('.*(https?://[^ ]*).*')
     def filter_links(self, msg):
-- 
2.11.4.GIT