From 4e30f20d92862061507d5c29bde37811e7e8f16e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Mon, 10 Mar 2025 23:26:14 +0100
Subject: [PATCH] Convert list/tuple value to list of IDs only if it contains
 records

The Modify Header set the start value from the sale or purchase values but when
it is a list or a tuple, it should also ensure it contains records before
converting to a list of ids.

Closes #13915
(grafted from 35fc6e3d271b4eeb7ef123f58085836fdab77228)

--HG--
branch : 6.0
---
 modules/purchase/purchase.py | 3 ++-
 modules/sale/sale.py         | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/modules/purchase/purchase.py b/modules/purchase/purchase.py
index 4d862dff74..81f09b9bee 100644
--- a/modules/purchase/purchase.py
+++ b/modules/purchase/purchase.py
@@ -2040,7 +2040,8 @@ class ModifyHeader(Wizard):
                     value = str(value)
                 else:
                     value = value.id
-            elif isinstance(value, (list, tuple)):
+            elif (value and isinstance(value, (list, tuple))
+                    and isinstance(value[0], Model)):
                 value = [r.id for r in value]
             defaults[fieldname] = value
 
diff --git a/modules/sale/sale.py b/modules/sale/sale.py
index 24438e34b4..21d3fa01ea 100644
--- a/modules/sale/sale.py
+++ b/modules/sale/sale.py
@@ -2032,7 +2032,8 @@ class ModifyHeader(Wizard):
                     value = str(value)
                 else:
                     value = value.id
-            elif isinstance(value, (list, tuple)):
+            elif (value and isinstance(value, (list, tuple))
+                    and isinstance(value[0], Model)):
                 value = [r.id for r in value]
             defaults[fieldname] = value