[Twisted-web] caching branch

[Andrea Arcangeli]

On Fri, Feb 18, 2005 at 07:31:51AM +0100, Andrea Arcangeli wrote:
> And this below is the patch of caching branch from dialtone + my above
> incremental patch that speedup the rend.Page caching without changing
> the API at all, all against trunk (i.e. the code that's going online in
> a few more minutes ;).

sorry for yet another self followup but this bit from the caching branch
was missing, it was a new file and I merged into trunk using patch
instead of svn merge...

Index: nevow/cache.py
===================================================================
--- nevow/cache.py	(revision 0)
+++ nevow/cache.py	(revision 0)
@@ -0,0 +1,33 @@
+from time import time as now
+from nevow import inevow
+
+class SiteCache(object):
+    __implements__ = inevow.ICache,
+    _content = {}
+    def __init__(self, original):
+        self.original = original
+
+    def get(self, index, lifetime):
+        cached = self._content.get(index, None)
+        if cached is None:
+            return
+        if lifetime < 0:
+            return cached[1]
+        if cached[0] + lifetime > now():
+            return cached[1]
+
+    def set(self, toBeCached, *indexes):
+        _now = now()
+        for index in indexes:
+            self._content[index] = (_now, toBeCached)
+
+    def clear(self, what):
+        if self._content.has_key(what):
+            self._content.pop(what)
+        for key in self._content.keys():
+            if what in key:
+                self._content.pop(key)
+
+class SessionCache(SiteCache):
+    def __init__(self):
+        self._content = {}