Recently my webhost (bluehost) started adding scripts, without notice or
permission, that institute both page and browser caching which has resulted
in users being presented with old images unless the image name is changed
somehow.
I was wondering if there might be a way to do the following:
1) Have weewx create a unique image name for all the images each time a
report is generated.
2) Have a method in the template that knows the correct new image names
and creates the appropriate html.
3) Have a method in FTP that deletes old content before loading new
content to avoid accumulation of old, unused images.
regarding #1, if I put cheetah commands inside the configuration file for
image names, will they be executed when reports are generated? Just
hypothetically, like changing
[[[monthrain]]]
plot_type = bar
yscale = None, None, 0.02
[[[[rain]]]]
aggregate_type = sum
aggregate_interval = 86400
label = Rain (daily total)
to something like
[[[monthrain$timestamp]]]
plot_type = bar
yscale = None, None, 0.02
[[[[rain]]]]
aggregate_type = sum
aggregate_interval = 86400
label = Rain (daily total)
Regarding 3), it seems that RSYNC might do the trick but I have to look
into it more and also determine if bluehost supports it.
thanks,
joe
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