Fix up zope.formlib and zope.viewlet for new location of zope.traversing

namedtemplate.py

@@ -0,0 +1,76 @@
+##############################################################################
+#
+# Copyright (c) 2005 Zope Corporation and Contributors. All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (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.
+#
+##############################################################################
+"""
+
+$Id$
+"""
+
+from zope import component, interface
+import zope.traversing.interfaces
+
+class INamedTemplate(interface.Interface):
+    """A template that is looked up by name
+    """
+
+class NamedTemplateImplementation:
+
+    def __init__(self, descriptor, view_type=None):
+        try:
+            descriptor.__get__
+        except AttributeError:
+            raise TypeError(
+                "NamedTemplateImplementation must be passed a descriptor."
+                )
+        self.descriptor = descriptor
+        interface.implementer(INamedTemplate)(self)
+
+        if view_type is not None:
+            component.adapter(view_type)(self)
+
+    def __call__(self, instance):
+        return self.descriptor.__get__(instance, instance.__class__)
+
+
+class implementation:
+
+    def __init__(self, view_type=None):
+        self.view_type = view_type
+
+    def __call__(self, descriptor):
+        return NamedTemplateImplementation(descriptor, self.view_type)
+
+
+class NamedTemplate(object):
+
+    def __init__(self, name):
+        self.__name__ = name
+
+    def __get__(self, instance, type=None):
+        if instance is None:
+            return self
+        return component.getAdapter(instance, INamedTemplate, self.__name__)
+
+    def __call__(self, instance, *args, **kw):
+        self.__get__(instance)(*args, **kw)
+
+
+# TODO need test
+class NamedTemplatePathAdapter(object):
+
+    interface.implements(zope.traversing.interfaces.IPathAdapter)
+
+    def __init__(self, context):
+        self.context = context
+
+    def __getitem__(self, name):
+        return component.getAdapter(self.context, INamedTemplate, name)