From b3741b52b24bb08c299670bcbe1547d844ad4e8a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Fri, 24 Jul 2020 10:03:09 +0200
Subject: [PATCH] Do not copy the template code

When the variant has no code, the template code is the only part of the unique
constraint. In such case copying the template fails because the new variant
will have the same code.

issue9462
review306081002
---
 product.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/product.py b/product.py
index dd745a035d..137a454b64 100644
--- a/product.py
+++ b/product.py
@@ -217,6 +217,15 @@ class Template(
         products = sum((t.products for t in templates), ())
         Product.sync_code(products)
 
+    @classmethod
+    def copy(cls, templates, default=None):
+        if default is None:
+            default = {}
+        else:
+            default = default.copy()
+        default.setdefault('code', None)
+        return super().copy(templates, default=default)
+
     @classmethod
     def search_global(cls, text):
         for record, rec_name, icon in super(Template, cls).search_global(text):