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Provides URLs for resources that change whenever their content changes.

Project Description

five.hashedresource

While we want browsers to cache static resources such as CSS-stylesheets and JavaScript files, we also want them not to use the cached version if the files on the server have been updated. (And we don’t want to make end-users have to empty their browser cache to get the latest version. Nor explain how to do that over the phone every time.)

To make browsers update their caches of resources immediately when the resource changes, the absolute URLs of resources can now be made to contain a hash of the resource’s contents, so it will look like /++noop++12345/@@/myresource instead of /@@/myresource.

In developer mode the hash is recomputed each time the resource is asked for its URL, while in production mode the hash is computed only once, so remember to restart the server after changing resource files (else browsers will still see the old URL unchanged and use their outdated cached versions of the files).

To use this package, include its configure.zcml and use five.hashedresource.interfaces.IHashedResourceSkin or a skin that inherits from it.

CHANGES

1.1 (2009-07-30)

  • Added a hack to communicate to ZCML whether Zope2 debug-mode is on.

1.0 (2009-07-27)

  • first released version
Release History

Release History

This version
History Node

1.1

History Node

1.0

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
five.hashedresource-1.1.tar.gz (6.5 kB) Copy SHA256 Checksum SHA256 Source Jul 30, 2009

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