[mod_python] persistence in mod_python

Graham Dumpleton graham.dumpleton at gmail.com
Wed Aug 20 16:43:29 EDT 2008

For a start, read:



2008/8/21 Simon Bierbaum <bierbaum at vierfalt.com>:
> Hi all,
> I would like to know exactly what bits in mod_python are persistent across
> multiple requests to the same apache process. I.e., once apache is started
> and mod_python is loaded, between two requests served by the same apache
> process and the same Python handler,
> - does mod_python reload modules, i.e. is module initialization code only
> run once during the apache process lifespan?
> - is there a way for modules to store objects persistently, e.g. a database
> connection pool?
> - what happens to variables defined in the handler script but not locally
> within the handler() function (I'm not sure whether this is what Python
> calls "global")?
> I have a bug in my application which uses mod_python, MySQLdb and the InnoDB
> storage engine revolving around transactions, and it's driving me mad...any
> help or a pointer to documentation is greatly appreciated.
> Thanks, Simon
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