--- a/pvl/verkko/db.py	Wed Oct 10 23:29:38 2012 +0300
+++ b/pvl/verkko/db.py	Wed Oct 10 23:36:23 2012 +0300
@@ -6,6 +6,7 @@
 # schema
 metadata = MetaData()
 
+# TODO: count, completely separate dhcp_events?
 dhcp_hosts = Table('dhcp_hosts', metadata,
     Column('rowid',         Integer, primary_key=True),
 

--- a/pvl/verkko/hosts.py	Wed Oct 10 23:29:38 2012 +0300
+++ b/pvl/verkko/hosts.py	Wed Oct 10 23:36:23 2012 +0300
@@ -108,22 +108,24 @@
             html.thead(
                 html.tr(
                     html.th(
-                        html.a(href='?sort={name}'.format(name=sort))(title) if sort else (title)
+                        html.a(href=self.url(sort=sort))(title) if sort else (title)
                     ) for title, sort in COLS
                 )
             ),
             html.tbody(
                 html.tr(class_=('alternate' if i % 2 else None), id=host.id)(
                     html.td(class_='id')(
-                        html.a(href='/hosts/{host.id}'.format(host=host))(
+                        html.a(href=self.url(ItemHandler, id=host.id))(
                             '#' #host['rowid'])
                         )
                     ),
                     html.td(class_='ip')(
-                        html.a(href='/hosts/ip/{host.ip}'.format(host=host))(host.ip)
+                        html.a(href=self.url(ListHandler, attr='ip', value=host.ip))(
+                            host.ip
+                        )
                     ),
                     html.td(class_='mac')(
-                        html.a(href='/hosts/mac/{host.mac}'.format(host=host))(
+                        html.a(href=self.url(ListHandler, attr='mac', value=host.mac))(
                             host.render_mac()
                         )
                     ),
@@ -150,7 +152,7 @@
             html.h2('Related'),
             self.render_hosts(hosts),
 
-            html.a(href='/hosts')(html('«'), 'Back'),
+            html.a(href=self.url(IndexHandler))(html('«'), 'Back'),
         )
 
 class IndexHandler (BaseHandler) :

--- a/pvl/verkko/web.py	Wed Oct 10 23:29:38 2012 +0300
+++ b/pvl/verkko/web.py	Wed Oct 10 23:36:23 2012 +0300
@@ -34,6 +34,16 @@
         self.db = app.db
         self.request = request
         self.urlmap = urls
+
+    def url (self, handler=None, **params) :
+        """
+            Return an URL for given endpoint, with parameters,
+        """
+
+        if not handler :
+            handler = self.__class__
+
+        return self.urlmap.build(handler, params)
         
     def title (self) :
         """
@@ -100,6 +110,7 @@
     def render (self) :
         return (
             html.ul(
+                # TODO: self.url
                 html.a(href='/hosts')("DHCP Hosts"),
             )
         )