From fda60ddb2fd033c29d628961749c6f33fe8f286f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Thu, 18 Dec 2008 23:35:58 +0100
Subject: [PATCH] Handle default purchasable value for issue671

---
 purchase.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/purchase.py b/purchase.py
index 83de728435..932ef5f2d4 100644
--- a/purchase.py
+++ b/purchase.py
@@ -780,7 +780,8 @@ class PurchaseLine(OSV):
             }, on_change=['product', 'unit', 'quantity', 'description',
                 '_parent_purchase.party', '_parent_purchase.currency'],
             context="{'locations': [_parent_purchase.warehouse], " \
-                    "'stock_date_end': _parent_purchase.purchase_date}")
+                    "'stock_date_end': _parent_purchase.purchase_date, " \
+                    "'purchasable': True}")
     unit_price = fields.Numeric('Unit Price', digits=(16, 4),
             states={
                 'invisible': "type != 'line'",
@@ -1166,6 +1167,10 @@ class Template(OSV):
         on_change_with=['default_uom', 'purchase_uom'])
 
     def default_purchasable(self, cursor, user, context=None):
+        if context is None:
+            context = {}
+        if context.get('purchasable'):
+            return True
         return False
 
     def on_change_with_purchase_uom(self, cursor, user, ids, vals,