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[Python-Dev] PEP 414 - Unicode Literals for Python 3
Antoine Pitrousolipsis at pitrou.net
Tue Feb 28 12:20:19 CET 2012
On Tue, 28 Feb 2012 10:02:46 +0100"Martin v. Löwis" <martin at v.loewis.de> wrote:>> On the contrary, I'd expect that the build time using 2to3 is> significantly shorter than the test suite run times, *in particular*> for large projects. For example, for Django, 2to3 takes less than> 3 minutes (IIRC), and the test suite runs an hour or so (depending> on how many tests get skipped).In the end, that's not particularly relevant, because you don't have torun the test suite entirely; when working on small changes, you usuallyre-run the impacted parts of the test suite until everything goes fine;on the other hand, 2to3 *has* to run on the entire code base.So, really, it's a couple of seconds to run a single bunch of tests vs.several minutes to run 2to3 on the code base.And it's not just the test suite: every concrete experiment with thelibrary you're porting has a serial dependency on running 2to3.RegardsAntoine.
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