From: Zooko O'Whielacronx <zooko@zooko.com>
Date: Mon, 12 Jan 2009 17:55:39 +0000 (-0700)
Subject: util: dictutil: add DictOfSets.union(key, values) and DictOfSets.update(otherdictofsets)
X-Git-Tag: allmydata-tahoe-1.3.0~207
X-Git-Url: https://git.rkrishnan.org/components/com_hotproperty/css/flags?a=commitdiff_plain;h=e449052a177ff3efc94f2ee0d8ce6f3ead7a83ec;p=tahoe-lafs%2Ftahoe-lafs.git

util: dictutil: add DictOfSets.union(key, values) and DictOfSets.update(otherdictofsets)
---

diff --git a/src/allmydata/util/dictutil.py b/src/allmydata/util/dictutil.py
index 227d2479..11c0c743 100644
--- a/src/allmydata/util/dictutil.py
+++ b/src/allmydata/util/dictutil.py
@@ -40,6 +40,16 @@ class DictOfSets(dict):
         else:
             self[key] = set([value])
 
+    def union(self, key, values):
+        if key in self:
+            self[key].update(values)
+        else:
+            self[key] = set(values)
+
+    def update(self, otherdictofsets):
+        for key, value in otherdictofsets.iteritems():
+            self.union(key, value)
+
     def discard(self, key, value):
         if not key in self:
             return