I think he meant modifying the source files themselves for debugging purposes (e.g. putting print statements in itertools.py).
2014-04-17 14:09 GMT-04:00 Brett Cannon <bcan...@gmail.com>: > > > On Thu Apr 17 2014 at 1:34:23 PM, Jurko Gospodnetić < > jurko.gospodne...@pke.hr> wrote: > >> Hi. >> >> On 14.4.2014. 23:51, Brett Cannon wrote: >> > Now the question is whether the maintenance cost of having to rebuild >> > Python for a select number of stdlib modules is enough to warrant >> > putting in the effort to make this work. >> >> I would really love to have better startup times in production, but I >> would also really hate to lose the ability to hack around in stdlib >> sources during development just to get better startup performance. >> >> In general, what I really like about using Python for software >> development is the ability to open any stdlib file and easily go poking >> around using stuff like 'import pdb;pdb.set_trace()' or simple print >> statements. Researching mysterious behaviour is generally much much >> MUCH! easier (read: takes less hours/days/weeks) if it ends up leading >> into a stdlib Python module than if it takes you down into the bowels of >> some C module (think zipimport.c *grin*). Not to mention the effect that >> being able to quickly resolve a mystery by hacking on some Python >> internals leaves you feeling very satisfied, while having to entrench >> yourself in those internals for a long time just to find out you've made >> something foolish on your end leaves you feeling exhausted at best. >> > > Freezing modules does not affect the ability to use gdb. And as long as > you set the appropriate __file__ values then tracebacks will contain even > the file line and location. > > -Brett > > _______________________________________________ > Python-Dev mailing list > Python-Dev@python.org > https://mail.python.org/mailman/listinfo/python-dev > Unsubscribe: > https://mail.python.org/mailman/options/python-dev/marky1991%40gmail.com > >
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