[Zope3-checkins] CVS: Zope3/src/zope/app/interfaces/services - utility.py:1.1.2.2

[Guido van Rossum]

Update of /cvs-repository/Zope3/src/zope/app/interfaces/services
In directory cvs.zope.org:/tmp/cvs-serv3523/src/zope/app/interfaces/services

Modified Files:
      Tag: local-utility-branch
	utility.py 
Log Message:
Checkpoint checkin (Jim+Guido).

=== Zope3/src/zope/app/interfaces/services/utility.py 1.1.2.1 => 1.1.2.2 ===
--- Zope3/src/zope/app/interfaces/services/utility.py:1.1.2.1	Thu Mar 13 15:05:44 2003
+++ Zope3/src/zope/app/interfaces/services/utility.py	Thu Mar 13 17:28:09 2003
@@ -1,29 +1,35 @@
 ##############################################################################
+#
 # Copyright (c) 2003 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.
+#
 ##############################################################################
-"""XXX short summary goes here.
-
-XXX longer description goes here.
+"""Interfaces pertaining to local utilities.
 
 $Id$
 """
-__metaclass__ = type
 
 from zope.app.interfaces.services.configuration \
      import INamedComponentConfiguration
 from zope.app.component.interfacefield import InterfaceField
 from zope.app.security.permission import PermissionField
 from zope.schema import BytesLine, TextLine
+from zope.app.interfaces.services.configuration import IUseConfigurable
 
 class IUtilityConfiguration(INamedComponentConfiguration):
+    """Utility configuration object.
+
+    This inherits fields 'name', 'componentPath', 'permission', and
+    adds a field 'interface'.  It also inherits a method
+    getComponent().
+    """
 
     interface = InterfaceField(
         title = u"Provided interface",
@@ -31,3 +37,15 @@
         readonly = True,
         required = True,
         )
+
+class ILocalUtility(IUseConfigurable):
+    """Local utility marker.
+
+    A marker interface that indicates that a component can be used as
+    a local utility.
+
+    Utilities should usually also declare they implement
+    IAttributeAnnotatable, so that the standard adapter to
+    IUseConfiguration can be used; otherwise, they must provide
+    another way to be adaptable to IUseConfiguration.
+    """