[Zope3-checkins] CVS: Zope3/src/zope/app/interfaces/services - utility.py:1.2

[Jim Fulton]

Update of /cvs-repository/Zope3/src/zope/app/interfaces/services
In directory cvs.zope.org:/tmp/cvs-serv18855/src/zope/app/interfaces/services

Added Files:
	utility.py 
Log Message:
Added a partial utility service implementation.

This *still* needs tests. Yes, I'm breaking the rules. But some folks 
are waiting on this.  Tests will come soon.


=== Zope3/src/zope/app/interfaces/services/utility.py 1.1 => 1.2 ===
--- /dev/null	Fri Mar 21 16:02:49 2003
+++ Zope3/src/zope/app/interfaces/services/utility.py	Fri Mar 21 16:02:19 2003
@@ -0,0 +1,66 @@
+##############################################################################
+#
+# 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.
+#
+##############################################################################
+"""Interfaces pertaining to local utilities.
+
+$Id$
+"""
+
+from zope.app.interfaces.services.configuration import IComponentConfiguration
+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
+from zope.app.interfaces.services.configuration import ComponentPath
+
+class IUtilityConfiguration(IComponentConfiguration):
+    """Utility configuration object.
+
+    This is keyed off name (which may be empty) and interface.  It
+    overrides componentPath (to make it readonly); it also inherits a
+    getComponent() method.
+    """
+
+    name = TextLine(title=u"Name",
+                    description=u"The name that is registered",
+                    readonly=True,
+                    required=True,
+                    )
+
+    interface = InterfaceField(
+        title = u"Provided interface",
+        description = u"The interface provided by the adapter",
+        readonly = True,
+        required = True,
+        )
+
+    componentPath = ComponentPath(
+        title=u"Component path",
+        description=u"The physical path to the component",
+        required=True,
+        readonly=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.
+    """