From eaad1ce9bd220aabc6fc21a7604d8e527d04513d Mon Sep 17 00:00:00 2001
From: helmutm <helmutm@fd906abe-77d9-0310-91a1-e0d9ade77398>
Date: Fri, 3 Apr 2009 09:49:30 +0000
Subject: [PATCH] let FloatValue always correspond to True

git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@3322 fd906abe-77d9-0310-91a1-e0d9ade77398
---
 commerce/common.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/commerce/common.py b/commerce/common.py
index 17e5536..816bfc6 100644
--- a/commerce/common.py
+++ b/commerce/common.py
@@ -118,6 +118,10 @@ class BaseObject(object):
 
 
 class FloatValue(float):
+    # TODO: rename to CurrencyValue
+
+    def __nonzero__(self):
+        return True  # even when value is 0.0
 
     def __init__(self, value, decimals=2, currency=u'€'):
         self.decimals = decimals