--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/cherrypy/lib/aspect.py	Tue Jul 14 16:41:58 2009 -0500
@@ -0,0 +1,87 @@
+"""
+Copyright (c) 2004, CherryPy Team (team@cherrypy.org)
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification, 
+are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice, 
+      this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright notice, 
+      this list of conditions and the following disclaimer in the documentation 
+      and/or other materials provided with the distribution.
+    * Neither the name of the CherryPy Team nor the names of its contributors 
+      may be used to endorse or promote products derived from this software 
+      without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE 
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+"""
+
+# return codes for _before and _after aspect methods
+STOP = 0
+CONTINUE = 1
+
+class Aspect(object):
+    """
+    Base class for aspects. Derive new aspect classes from this, then
+    override one or both of _before and _after.
+    """
+
+    def __getattribute__(self, methodName):
+
+        # find method specified by methodName
+        try:
+            method = object.__getattribute__(self, methodName)
+        except:
+            raise
+
+        # if requested attribute is not a method, simply return it
+        if not callable(method):
+            return method
+
+        # define wrapper function
+        def _wrapper(*k, **kw):
+            # call _before method
+            status, value = object.__getattribute__(self, '_before')(methodName, method)
+            if status == STOP:
+                return value
+
+            # call wrapped method and append results
+            result = method(*k, **kw)
+            if value:
+                result = value + result
+
+            # call _after method
+            status, value =  object.__getattribute__(self, '_after')(methodName, method)
+            if status == STOP:
+                return value
+            if value:
+                result += value
+
+            # done!
+            return result
+
+        # expose wrapper function if wrapped method is exposed
+        if getattr(method, 'exposed', None):
+            _wrapper.exposed = True
+
+        # return wrapper function. It'll get called instead of the
+        # requested method.
+        return _wrapper
+
+
+    def _before(self, methodName, method):
+        return CONTINUE, None
+
+
+    def _after(self, methodName, method):
+        return CONTINUE, None