changeset 8a600526e52d in modules/purchase_history:default
details: 
https://hg.tryton.org/modules/purchase_history?cmd=changeset;node=8a600526e52d
description:
        Reset revision field when copying purchase or sale

        issue8895
        review268571004
diffstat:

 purchase.py |  9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diffs (19 lines):

diff -r 9046aa8880aa -r 8a600526e52d purchase.py
--- a/purchase.py       Wed Dec 04 11:09:36 2019 +0100
+++ b/purchase.py       Thu Dec 12 12:49:04 2019 +0100
@@ -29,6 +29,15 @@
         return number
 
     @classmethod
+    def copy(cls, purchases, default=None):
+        if default is None:
+            default = {}
+        else:
+            default = default.copy()
+        default.setdefault('revision', cls.default_revision())
+        return super().copy(purchases, default=default)
+
+    @classmethod
     @ModelView.button
     @Workflow.transition('draft')
     def draft(cls, purchases):

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