From fc779fe55aec84994e7e761c743716ba03484bcc Mon Sep 17 00:00:00 2001 From: Jeremy Dunck Date: Mon, 25 Jun 2007 19:33:37 +0000 Subject: gis: Merged revisions 5491-5539 via svnmerge from http://code.djangoproject.com/svn/django/trunk git-svn-id: http://code.djangoproject.com/svn/django/branches/gis@5540 bcc190cf-cafb-0310-a4f2-bffc1f526a37 --- django/utils/functional.py | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'django/utils/functional.py') diff --git a/django/utils/functional.py b/django/utils/functional.py index 0c31c1f375..a57546ad2d 100644 --- a/django/utils/functional.py +++ b/django/utils/functional.py @@ -3,6 +3,21 @@ def curry(_curried_func, *args, **kwargs): return _curried_func(*(args+moreargs), **dict(kwargs, **morekwargs)) return _curried +def memoize(func, cache): + """ + Wrap a function so that results for any argument tuple are stored in + 'cache'. Note that the args to the function must be usable as dictionary + keys. + """ + def wrapper(*args): + if args in cache: + return cache[args] + + result = func(*args) + cache[args] = result + return result + return wrapper + class Promise: """ This is just a base class for the proxy class created in -- cgit v1.3