From fd314b211e574db3fa9108802e7ad33958b2237c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Thu, 17 Jun 2010 20:09:01 +0200
Subject: [PATCH] Add recursive check on account type for issue1590
 (transplanted from e58b929959c8ee31e10b897b4572d03c71aad5aa)

---
 account.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/account.py b/account.py
index b1e8dc66a7..b12c629070 100644
--- a/account.py
+++ b/account.py
@@ -30,6 +30,12 @@ class TypeTemplate(ModelSQL, ModelView):
 
     def __init__(self):
         super(TypeTemplate, self).__init__()
+        self._constraints += [
+            ('check_recursion', 'recursive_types'),
+        ]
+        self._error_messages.update({
+            'recursive_types': 'You can not create recursive types!',
+        })
         self._order.insert(0, ('sequence', 'ASC'))
 
     def default_balance_sheet(self, cursor, user, context=None):
@@ -175,6 +181,12 @@ class Type(ModelSQL, ModelView):
 
     def __init__(self):
         super(Type, self).__init__()
+        self._constraints += [
+            ('check_recursion', 'recursive_types'),
+        ]
+        self._error_messages.update({
+            'recursive_types': 'You can not create recursive types!',
+        })
         self._order.insert(0, ('sequence', 'ASC'))
 
     def default_balance_sheet(self, cursor, user, context=None):