Add button for direct access to journal entry from journal items

account_usability/account.py

@@ -190,6 +190,19 @@ class AccountMoveLine(models.Model):
             else:
                 self.credit = amount_company_currency
 
+    @api.multi
+    def show_account_move_form(self):
+        self.ensure_one()
+        action = self.env['ir.actions.act_window'].for_xml_id(
+            'account', 'action_move_line_form')
+        action.update({
+            'res_id': self.move_id.id,
+            'view_id': False,
+            'views': False,
+            'view_mode': 'form,tree',
+        })
+        return action
+
 
 class AccountBankStatement(models.Model):
     _inherit = 'account.bank.statement'