Excuse me for the crossposting,
maybe someone else in here can answer my question... I haven't found
nothing ready to use out of the box in py4web for caching controller
results client side so I thought to implement my self following the
cache.action decorator code in web2py, but without success till now.
I'll be glad for any siggestion
Cheers
Manuele
-------- Forwarded Message --------
Subject: client side caching
Date: Wed, 13 May 2020 09:45:58 +0200
From: Manuele Pesenti <manuele.pese...@gmail.com>
To: py4web <py4...@googlegroups.com>
Hi!
I wrote this little function trying to re-implementing client side
caching controller response behavior as the one is available in web2py
(https://github.com/web2py/web2py/blob/master/gluon/cache.py#L660) using
the cache.action decorator:
import datetime
from py4web import response as rsp
def asknomore(time_expire=60):
cache_control = 'max-age=%(time_expire)s, s-maxage=%(time_expire)s'
% dict(time_expire=time_expire)
cache_control += ', public' # if not session_ and public_ else ',
private'
expires = (datetime.datetime.utcnow() +
datetime.timedelta(seconds=time_expire)).strftime('%a, %d %b %Y %H:%M:%S
GMT')
headers = {
'Pragma': None,
'Expires': expires,
'Cache-Control': cache_control
}
rsp.headers.update(headers)
and I'm using it inside a controller function just before returning result:
@action('mycachedaction')
def mycachedaction():
asknomore(120)
return dict(message='Hello')
The headers seams correctly set in the response but reloading the page I
always get a status: 200 instead of 304
What I am missing?
Thanks a lot!
Manuele
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