4 files changed, 20 insertions, 7 deletions

diff --git a/buildout.cfg b/buildout.cfg
index e98e4a81d..d44d1d428 100644
--- a/buildout.cfg
+++ b/buildout.cfg
@@ -13,7 +13,7 @@ eggs =
     argparse
     lazr.config
     lazr.delegates
-    /Users/barry/projects/lazr/lazr.restful
+    lazr.restful
     locknix
     mailman
     munepy
diff --git a/src/mailman/core/system.py b/src/mailman/core/system.py
index 0f6d0834f..18fdfc10c 100644
--- a/src/mailman/core/system.py
+++ b/src/mailman/core/system.py
@@ -26,7 +26,9 @@ __all__ = [
 
 
 import sys
+
 from zope.interface import implements
+from zope.location.interfaces import ILocation
 
 from mailman import version
 from mailman.interfaces.system import ISystem
@@ -34,14 +36,16 @@ from mailman.interfaces.system import ISystem
 
 
 class System:
-    implements(ISystem)
+    implements(ISystem, ILocation)
 
     @property
     def mailman_version(self):
+        """See `ISystem`."""
         return version.MAILMAN_VERSION_FULL
 
     @property
     def python_version(self):
+        """See `ISystem`."""
         return sys.version
 
 
diff --git a/src/mailman/docs/version.txt b/src/mailman/docs/system.txt
index 3ed0ce28c..3ed0ce28c 100644
--- a/src/mailman/docs/version.txt
+++ b/src/mailman/docs/system.txt
diff --git a/src/mailman/interfaces/system.py b/src/mailman/interfaces/system.py
index da7d019e6..62270803d 100644
--- a/src/mailman/interfaces/system.py
+++ b/src/mailman/interfaces/system.py
@@ -25,15 +25,24 @@ __all__ = [
     ]
 
 
-from zope.interface import Interface, Attribute
+from lazr.restful.declarations import export_as_webservice_entry, exported
+from zope.schema import TextLine
+
+from mailman.i18n import _
 
 
 
 class ISystem(Interface):
     """Information about the Mailman system."""
 
-    mailman_version = Attribute(
-        """The GNU Mailman version, as a string.""")
+    export_as_webservice_entry()
+
+    mailman_version = exported(TextLine(
+        title=_('Mailman version'),
+        description=_('The GNU Mailman version.'),
+        ))
 
-    python_version = Attribute(
-        """The version of Python running Mailman, as a string.""")
+    python_version = exported(TextLine(
+        title=_('Python version'),
+        description=_('The Python version.'),
+        ))