Steven D'Aprano wrote: > On Thu, 04 Feb 2010 16:28:17 -0500, Steve Holden wrote: > >> Terry Reedy wrote: >>> On 2/4/2010 3:55 PM, Alan Biddle wrote: >>>> Just finishing my first Python (2.6 on Win XP) program, which is >>>> working fine. My "Duh?" question is about how to run it from within >>>> IDLE and pass it command line arguments. No problem using sys.argv >>>> from a Windows command line, but I have missed how you can do that >>>> from within IDLE, which complicates development and debugging. >>> I presume you mean edit, F5-run, see result in shell window. Set >>> sys.argv in test function or __name__=='__main__' In 3.1 idle shell: >>> >>>>>> import sys >>>>>> sys.argv >>> [''] >>>>>> sys.argv = ['abc','dev'] >>>>>> sys.argv >>> ['abc', 'dev'] >>> >>> I did not know it was writable, either, until I tried it. >>> >> As a solution, however, that sucks, wouldn't you agree? > > [scratches head] > > Do you mean setting sys.argv as a solution sucks? No, I don't, I think it > is grand. If sys.argv was unmodifiable, *that* would suck. > > Or do you mean that trying it as a solution to the problem of answering > the OP's question sucks? Well, no, experimentation is good for answering > these sorts of questions, and I can't assume that the documentation will > cover every imaginable use-case, or that users will find it. In the > absence of any documentation stating otherwise, I would have assumed that > sys.argv was an ordinary list which you can modify at will, but having > been caught out on faulty assumptions before, I would try it and see > before commenting publicly. > > What I meant was it sucks that IDLE has no way to fill in sys.argv as a part of its "Run Module" functionality - something that is present in both PythonWin and Wing IDE, for example. But then I have come to the conclusion that IDLE doesn't fit my brain, or my brain doesn't fit it.
That sys.argv is mutable simply reflects the fact that it's a list. regards Steve -- Steve Holden +1 571 484 6266 +1 800 494 3119 PyCon is coming! Atlanta, Feb 2010 http://us.pycon.org/ Holden Web LLC http://www.holdenweb.com/ UPCOMING EVENTS: http://holdenweb.eventbrite.com/ -- http://mail.python.org/mailman/listinfo/python-list