diff -r 1fe028e17f70 -r 34e6d07ea2e9 src/pyams_content/root/interfaces.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pyams_content/root/interfaces.py	Tue Nov 06 14:40:22 2018 +0100
@@ -0,0 +1,74 @@
+#
+# Copyright (c) 2008-2015 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'
+
+from zope.interface import Attribute, Interface
+
+from pyams_content import _
+from pyams_content.interfaces import OPERATOR_ROLE, WEBMASTER_ROLE
+from pyams_portal.interfaces import DESIGNER_ROLE
+from pyams_security.interfaces import SYSTEM_ADMIN_ROLE
+from pyams_security.schema import Principal, PrincipalsSet
+from pyams_skin.interfaces.configuration import IBackOfficeConfiguration, IConfiguration
+from pyams_utils.interfaces.site import ISiteRoot as ISiteRootBase
+
+
+class ISiteRoot(ISiteRootBase):
+    """Main site root interface"""
+
+
+class ISiteRootRoles(Interface):
+    """Main site roles"""
+
+    managers = PrincipalsSet(title=_("Site managers"),
+                             role_id=SYSTEM_ADMIN_ROLE,
+                             required=False)
+
+    webmasters = PrincipalsSet(title=_("Webmasters"),
+                               role_id=WEBMASTER_ROLE,
+                               required=False)
+
+    designers = PrincipalsSet(title=_("Templates managers"),
+                              role_id=DESIGNER_ROLE,
+                              required=False)
+
+    operators = Principal(title=_("Operators group"),
+                          description=_("Name of group containing all roles owners"),
+                          role_id=OPERATOR_ROLE,
+                          required=False)
+
+
+class ISiteRootConfiguration(IConfiguration):
+    """Site root configuration interface"""
+
+
+class ISiteRootToolsConfiguration(Interface):
+    """Site root tools configuration interface"""
+
+    tables_name = Attribute("References tables manager name")
+
+    pictograms_table_name = Attribute("Pictograms reference table name")
+
+    tools_name = Attribute("Tools name")
+
+    views_tool_name = Attribute("Views tool name")
+    forms_tool_name = Attribute("Forms tool name")
+    imagemaps_tool_name = Attribute("Image maps tool name")
+    logos_tool_name = Attribute("Logos tool name")
+
+    news_tool_name = Attribute("News tool name")
+    topics_tool_name = Attribute("Topics tool name")
+
+
+class ISiteRootBackOfficeConfiguration(IBackOfficeConfiguration):
+    """Site root back-office configuration interface"""