From 687a58be2a8a15c0265a528f9973838394bbf115 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Fri, 19 Oct 2012 19:30:27 +0200
Subject: [PATCH] Use gettattr with default value in
 _get_context_purchase_price

Some fields from purchase could not be defined.
---
 purchase.py | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/purchase.py b/purchase.py
index b5b5d7bad7..897eeea1df 100644
--- a/purchase.py
+++ b/purchase.py
@@ -970,12 +970,12 @@ class PurchaseLine(ModelSQL, ModelView):
 
     def _get_context_purchase_price(self):
         context = {}
-        if self.purchase:
-            if self.purchase.currency:
+        if getattr(self, 'purchase', None):
+            if getattr(self.purchase, 'currency', None):
                 context['currency'] = self.purchase.currency.id
-            if self.purchase.party:
+            if getattr(self.purchase, 'party', None):
                 context['supplier'] = self.purchase.party.id
-            if self.purchase.purchase_date:
+            if getattr(self.purchase, 'purchase_date', None):
                 context['purchase_date'] = self.purchase.purchase_date
         if self.unit:
             context['uom'] = self.unit.id