From 2b7ce4a41ceb53bafde0a3fb61052e15312ccd01 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9rome=20Perrin?= <jerome@nexedi.com>
Date: Mon, 14 Mar 2011 16:04:14 +0000
Subject: [PATCH] instead of comparing interfaces by name, use
Interface.implementedBy. The later works properly with interfaces
inheritance.
git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@44252 20353a03-c40f-0410-a6d1-a30d3c3de9de
---
product/ERP5Type/Base.py | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/product/ERP5Type/Base.py b/product/ERP5Type/Base.py
index 1ca325a21f..9464c34f13 100644
--- a/product/ERP5Type/Base.py
+++ b/product/ERP5Type/Base.py
@@ -719,11 +719,12 @@ class Base( CopyContainer,
security.declarePublic('provides')
def provides(cls, interface_name):
"""
- Check if the current class provides a particular interface
+ Check if the current class provides a particular interface from ERP5Type's
+ interfaces registry
"""
- for interface in implementedBy(cls):
- if interface.getName() == interface_name:
- return True
+ interface = getattr(interfaces, interface_name, None)
+ if interface is not None:
+ return interface.implementedBy(cls)
return False
provides = classmethod(CachingMethod(provides, 'Base.provides',
cache_factory='erp5_ui_long'))
--
2.30.9