From 63367551e516c5f6dc4174f9ca856d32bde3c9a3 Mon Sep 17 00:00:00 2001
From: Sergi Almacellas Abellana <sergi@koolpi.com>
Date: Thu, 10 Jul 2014 10:49:07 +0200
Subject: [PATCH] Use field.depends decorator

---
 address.py | 17 +++--------------
 1 file changed, 3 insertions(+), 14 deletions(-)

diff --git a/address.py b/address.py
index 3a6b285..0f3d713 100644
--- a/address.py
+++ b/address.py
@@ -1,6 +1,7 @@
 #This file is part country_zip module for Tryton.
 #The COPYRIGHT file at the top level of this repository contains
 #the full copyright notices and license terms.
+from trytond.model import fields
 from trytond.pool import Pool, PoolMeta
 
 __all__ = ['Address']
@@ -10,20 +11,6 @@ __metaclass__ = PoolMeta
 class Address:
     __name__ = 'party.address'
 
-    @classmethod
-    def __setup__(cls):
-        super(Address, cls).__setup__()
-        if cls.zip.on_change is None:
-            cls.zip.on_change = []
-        for field in ('zip', 'country'):
-            if not field in cls.zip.on_change:
-                cls.zip.on_change.add(field)
-        if cls.country.on_change is None:
-            cls.country.on_change = []
-        for field in ('zip', 'country'):
-            if not field in cls.country.on_change:
-                cls.country.on_change.add(field)
-
     @staticmethod
     def default_country():
         Configuration = Pool().get('party.configuration')
@@ -47,8 +34,10 @@ class Address:
                     res['subdivision'] = zip_.subdivision.id
         return res
 
+    @fields.depends('zip', 'country')
     def on_change_zip(self):
         return self.get_subdivision_country()
 
+    @fields.depends('zip', 'country')
     def on_change_country(self):
         return self.get_subdivision_country()