From e644d6a4eb01570d879b27e880b48dcd14681476 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Tue, 19 Oct 2021 00:22:08 +0200
Subject: [PATCH] Set the target field name in the context to get the size

The getter of 'data_size' field must use the name 'data' in the context instead
of 'data_size'.

issue10849
review383301002
---
 trytond/ir/attachment.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/trytond/ir/attachment.py b/trytond/ir/attachment.py
index 422e367084..bc659687ad 100644
--- a/trytond/ir/attachment.py
+++ b/trytond/ir/attachment.py
@@ -88,7 +88,7 @@ class Attachment(ResourceMixin, ModelSQL, ModelView):
 
     def get_size(self, name):
         with Transaction().set_context({
-                    '%s.%s' % (self.__name__, name): 'size',
+                    '%s.%s' % (self.__name__, name[:-len('_size')]): 'size',
                     }):
             record = self.__class__(self.id)
             return record.data