Łukasz Langa <luk...@langa.pl> added the comment: Won't happen for Python 2.x but the idea is good. The original patch won't apply for Py3k so I implemented this approach from scratch for Python 3.2. Patch included.
Some microbenchmarks of mine show: - a 3-5% slowdown for very small files (we can ignore this since it's still a blink of an eye) - a 10% speedup in usual cases (files the size of a typical Pylons app configuration or a typical buildout) - more so in unrealistic ones (many values with > 100 lines each) Brett, a quick summary of changes: - the idea to introduce a list of lines instead of gluing '%s\n%s' during file reading was introduced - this approach needs an additional phase of joining the lists to strings after reading is done. - I used itertools.chain to add the default section for iteration purposes without having to create a separate list. I hope the additional dependency on itertools is no problem. - I reformatted a bit the changes by fred.drake in r78233 (he added support for valueless keys) - some other slight formatting changes apply as well - in the tests I've added a testcase for a file that uses multi-line values heavily. The file is generated temporarily since it's 127kB in size. Creation takes a fraction of a second so shouldn't be noticeable. ---------- nosy: +brett.cannon, lukasz.langa versions: +Python 3.2 -Python 2.6 Added file: http://bugs.python.org/file18166/issue7113.diff _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue7113> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
