From 143d0249045b89e565c623410869d390e312fbe7 Mon Sep 17 00:00:00 2001
From: Denis Ledoux <dle@odoo.com>
Date: Tue, 30 Sep 2014 10:40:42 +0200
Subject: [PATCH] [FIX] purchase: do not reset price_unit on qty or uom change

only when the product is actually changed
---
 addons/purchase/purchase.py       | 2 +-
 addons/purchase/purchase_view.xml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/addons/purchase/purchase.py b/addons/purchase/purchase.py
index 97f0861ef31..97f7e52105b 100644
--- a/addons/purchase/purchase.py
+++ b/addons/purchase/purchase.py
@@ -1129,7 +1129,7 @@ class purchase_order_line(osv.osv):
             res['value'].update({'product_qty': qty})
 
         price = price_unit
-        if state not in ('sent','bid'):
+        if price_unit is False or price_unit is None:
             # - determine price_unit and taxes_id
             if pricelist_id:
                 date_order_str = datetime.strptime(date_order, DEFAULT_SERVER_DATETIME_FORMAT).strftime(DEFAULT_SERVER_DATE_FORMAT)
diff --git a/addons/purchase/purchase_view.xml b/addons/purchase/purchase_view.xml
index 521288859b1..1746fcc6b3b 100644
--- a/addons/purchase/purchase_view.xml
+++ b/addons/purchase/purchase_view.xml
@@ -237,7 +237,7 @@
                         <page string="Products">
                             <field name="order_line">
                                 <tree string="Purchase Order Lines" editable="bottom">
-                                    <field name="product_id" on_change="onchange_product_id(parent.pricelist_id,product_id,0,product_uom,parent.partner_id, parent.date_order,parent.fiscal_position,date_planned,name,price_unit,parent.state,context)"/>
+                                    <field name="product_id" on_change="onchange_product_id(parent.pricelist_id,product_id,0,product_uom,parent.partner_id, parent.date_order,parent.fiscal_position,date_planned,name,False,parent.state,context)"/>
                                     <field name="name"/>
                                     <field name="date_planned"/>
                                     <field name="company_id" groups="base.group_multi_company" widget="selection"/>