--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/site.py	Sun Feb 08 03:17:07 2009 +0200
@@ -0,0 +1,85 @@
+"""
+    Per-site stuff
+"""
+
+import imp
+
+from qmsk.web import handler
+
+class Site (handler.RequestHandler) :
+    """
+        A site is a website and its configuration
+
+        XXX: need to somehow communicate the site name to our downstream handler
+    """
+
+    def __init__ (self, name, handler) :
+        """
+            The given name must be like a valid hostname, e.g. 'www.qmsk.net'
+        """
+
+        # store
+        self.name = name
+        self.handler = handler
+
+    def handle_request (self, request) :
+        """
+            Map the request through our handler...
+        """
+
+        return self.handler.handle_request(request)
+
+class SiteModule (Site) :
+    """
+        A site, represented as python module/package, with the following module attributes:
+
+            handler     - the RequestHandler to use
+    """
+
+    def __init__ (self, name, module) :
+        """
+            Create the Site based on the given module
+        """
+
+        super(SiteModule, self).__init__(name,
+            module.handler
+        )
+
+class SiteModuleCollection (handler.RequestHandler) :
+    """
+        A collection of SiteModules, looking up the correct site to use based on the request hostname
+    """
+
+    def __init__ (self, path) :
+        """
+            Initialize to load site modules from the given path
+        """
+
+        self.path = path
+        self.site_cache = dict()
+
+    def handle_request (self, request) :
+        """
+            Lookup and return a Site object for the given request
+        """
+
+        # request hostnmae
+        name = request.env['HTTP_HOST']
+        
+        # already loaded?
+        if name in self.site_cache :
+            site = self.site_cache[name]
+
+        else :
+            # first, we need to find it
+            file, pathname, description = imp.find_module(name, [self.path])
+
+            # then, we can load the module
+            module = imp.load_module(name, file, pathname, description)
+            
+            # then build+cache the SiteModule
+            site = self.site_cache[name] = SiteModule(name, module)
+
+        # then execute the site's request handler
+        return site.handle_request(request)
+