From 424c430fa541edaa839d48332b44178d9c44fb08 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Mon, 2 Sep 2013 11:21:19 +0200
Subject: [PATCH] Create invoice line for non-line only once

issue3292
review1043003
(transplanted from 399d66f4e5262cffe86254af3f43074f2e43418d)
---
 purchase.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/purchase.py b/purchase.py
index a974940fd9..4e30c24a20 100644
--- a/purchase.py
+++ b/purchase.py
@@ -1123,8 +1123,10 @@ class PurchaseLine(ModelSQL, ModelView):
         invoice_line.type = self.type
         invoice_line.description = self.description
         invoice_line.note = self.note
+        invoice_line.origin = self
         if self.type != 'line':
             if (self.purchase.invoice_method == 'order'
+                    and not self.invoice_lines
                     and ((all(l.quantity >= 0 for l in self.purchase.lines
                                 if l.type == 'line')
                             and invoice_type == 'in_invoice')
@@ -1179,7 +1181,6 @@ class PurchaseLine(ModelSQL, ModelView):
             if not invoice_line.account:
                 self.raise_user_error('missing_account_expense_property',
                     (invoice_line.purchase.rec_name,))
-        invoice_line.origin = self
         return [invoice_line]
 
     @classmethod