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https://issues.apache.org/jira/browse/MODPYTHON-142?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Graham Dumpleton closed MODPYTHON-142.
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> Make req.no_cache and req.no_local_copy writable.
> -------------------------------------------------
>
> Key: MODPYTHON-142
> URL: https://issues.apache.org/jira/browse/MODPYTHON-142
> Project: mod_python
> Issue Type: Improvement
> Components: core
> Affects Versions: 3.2.8
> Reporter: Graham Dumpleton
> Assigned To: Graham Dumpleton
> Fix For: 3.3
>
> Attachments: MP142_20060305_grahamd_1.diff
>
>
> If a handler sets req.no_cache to be true, then Apache will internally add
> appropriate "Expires" header. Also the req.no_cache attribute is consulted
> by mod_cache to know when not to cache. The alternative is that a handler
> must know to set both:
> req.headers_out['Cache-Control'] = 'no-cache'
> req.headers_out['Expires'] = '-1'
> It would be better to allow handlers to set req.no_cache as it isolates them
> from any future changes in respect of special headers that may need to be
> additionally set if standards change in any way.
> Not entirely sure if req.no_local_copy attribute is somehow related. It
> somehow affects whether 304 errors are returned in some cases. Certain
> modules such as mod_include set this, so no reason that a mod_python handler
> wouldn't want to set it also.
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