--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/ztfy/baseskin/tal/api.py	Sun May 11 02:03:37 2014 +0200
@@ -0,0 +1,74 @@
+### -*- coding: utf-8 -*- ####################################################
+##############################################################################
+#
+# Copyright (c) 2008-2010 Thierry Florac <tflorac AT ulthar.net>
+# 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.
+#
+##############################################################################
+
+__docformat__ = "restructuredtext"
+
+# import standard packages
+
+# import Zope3 interfaces
+from zope.tales.interfaces import ITALESFunctionNamespace
+
+# import local interfaces
+from ztfy.baseskin.interfaces import IPresentationTarget
+from ztfy.baseskin.interfaces.metas import IPageMetasHeaders
+from ztfy.baseskin.tal.interfaces import ISkinTalesAPI, IContentMetasAPI
+
+# import Zope3 packages
+from zope.component import queryMultiAdapter
+from zope.interface import implements
+
+# import local packages
+
+
+class SkinTalesAPI(object):
+
+    implements(ISkinTalesAPI, ITALESFunctionNamespace)
+
+    def __init__(self, context):
+        self.context = context
+
+    def setEngine(self, engine):
+        self.request = engine.vars['request']
+
+    def presentation(self):
+        adapter = queryMultiAdapter((self.context, self.request), IPresentationTarget)
+        if adapter is not None:
+            interface = adapter.target_interface
+            return interface(self.context)
+
+
+class ContentMetasTalesAPI(object):
+
+    implements(IContentMetasAPI, ITALESFunctionNamespace)
+
+    def __init__(self, context):
+        self.context = context
+
+    def setEngine(self, engine):
+        self.request = engine.vars['request']
+
+    def items(self):
+        headers = queryMultiAdapter((self.context, self.request), IPageMetasHeaders)
+        if headers is None:
+            return []
+        else:
+            return headers.metas
+
+    def render(self):
+        headers = queryMultiAdapter((self.context, self.request), IPageMetasHeaders)
+        if headers is None:
+            return u''
+        else:
+            return '\n'.join((meta.render() for meta in headers.metas))