Hi there. I'm dynamically adding version numbers to the filenames for
static assets like css, js, and image files. (These version numbers aren't
actually in the filenames. They're just added to the url in the <link> and
<script> tags that reference them.) So I need to use url rewriting to
remove those version numbers. In other words, if the browser looks for
/static/css/theme.1510773357.css
it should be served
/static/css/theme.css
I've written a routes.py file that I thought would do the trick, but it's
not working. The browser is still giving a 404 error for the file.
routes_in = ((r
'.*/static/(?P<subdir>(css|images|audio|js))/(?P<basename>.*)\.[\d]{10}\.(?P<extension>(css|js|ico|png|svg|jpe?g))'
,
r'/static/\g<subdir>/\g<basename>\.\g<extension>'),
)
routes_out = [(x, y) for (y, x) in routes_in]
Any idea what's wrong? I've confirmed that the first regex in the pair does
match the filename, and that the correct matching groups are found
({'subdir': 'css', 'basename': 'theme', 'extension': 'css'}). Is there
something wrong with the second string that creates the new path?
In case anyone is wondering, I'm doing this even though I know about
web2py's built-in versioning system. The app is under constant incremental
development and I don't want to have to manually change version numbers
every time I push out an update. This approach automatically forces users
to download the updated file based on its last-modified datetime.
Thanks,
Ian
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