[ http://issues.apache.org/jira/browse/MODPYTHON-93?page=all ]
Graham Dumpleton resolved MODPYTHON-93.
---------------------------------------
Resolution: Fixed
Not heard of anyone who has specifically tested to see if this works with older
versions of Trac or not, but code passing tests on various Python/Apache
versions so that's good enough for now.
> Improve util.FieldStorage efficiency
> ------------------------------------
>
> Key: MODPYTHON-93
> URL: http://issues.apache.org/jira/browse/MODPYTHON-93
> Project: mod_python
> Issue Type: Improvement
> Components: core
> Affects Versions: 3.2.7
> Reporter: Jim Gallacher
> Assigned To: Graham Dumpleton
> Priority: Minor
> Fix For: 3.3
>
> Attachments: modpython325_util_py_dict.patch
>
>
> Form fields are saved as a list in a FieldStorage class instance. The class
> implements a __getitem__ method to provide dict-like behaviour. This method
> iterates over the complete list for every call to __getitem__. Applications
> that need to access all the fields when processing the form will show O(n^2)
> behaviour where n == the number of form fields. This overhead could be
> avoided by creating a dict (to use as an index) when the FieldStorage
> instance is created.
> Mike Looijmans has been investigating StringField and Field as well. It is
> probably reasonable to include information on his work in this issue as well,
> so that we can consider all of these efficiency issues in toto.
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