Experimental types tool (not registered on production systems, so no risk)

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@21409 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/Tool/TypesTool.py

+##############################################################################
+#
+# Copyright (c) 2008 Nexedi SA and Contributors. All Rights Reserved.
+#                    Jean-Paul Smets-Solanes <jp@nexedi.com>
+#
+# Copyright (c) 2002 Zope Corporation and Contributors. All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.0 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE
+#
+##############################################################################
+
+from AccessControl import ClassSecurityInfo
+from Products.CMFCore.TypesTool import TypesTool as CMFCoreTypesTool
+from Products.ERP5Type.Tool.BaseTool import BaseTool
+from Products.ERP5Type.Cache import CachingMethod
+from Products.ERP5Type import Permissions
+from Acquisition import aq_base
+
+
+class TypesTool(BaseTool, CMFCoreTypesTool):
+  """
+      EXPERIMENTAL - DO NOT USE THIS PROPERTYSHEET BESIDES R&D
+  """
+
+  id = 'portal_types'
+  meta_type = 'ERP5 Types Tool'
+  portal_type = 'Types Tool'
+  allowed_types = ()
+  security = ClassSecurityInfo()
+
+  def getTypeInfo(self, *args):
+    if not len(args): 
+       return BaseTool.getTypeInfo(self)
+    else:
+      # The next 10 lines are taken from CMFCore
+      # which means that the entire file is ZPLed
+      # for now
+      contentType = args[0]
+      #return CMFCoreTypesTool.getTypeInfo(self, contentType)
+      if not isinstance(contentType, basestring):
+          if hasattr(aq_base(contentType), 'getPortalTypeName'):
+              contentType = contentType.getPortalTypeName()
+              if contentType is None:
+                  return None
+          else:
+              return None
+      #ob = getattr( self, contentType, None )
+      ob = self._getOb(contentType, None)
+      if getattr(aq_base(ob), '_isTypeInformation', 0):
+          return ob
+      else:
+          return None