Ok, then I'm happy to improve the escaping! I was confused because I could not understand that nobody than me should have run into this problem before.
There are many special cases. I'll try my very best :) Cheers -- Chris On 07.01.18 21:59, Guido van Rossum wrote: > On Sun, Jan 7, 2018 at 12:30 PM, Gregory P. Smith <g...@krypto.org > <mailto:g...@krypto.org>> wrote: > > the best way to improve shell escaping on windows is to send a PR > against the list2cmdline code that escapes everything you believe it > should when running on windows. With hyperlinks to the relevant msdn > info about what might need escaping. > > > Agreed. FWIW the call to list2cmdline seems to compound the problem, > since it just takes args and puts double quotes around it, mostly > undoing the work of list2cmdline. For example if I use (args=['a', 'b > c'], shell=True) I think list2cmdline turns that to args='a "b c"', and > then the format() expression constructs the command: > > cmd.exe /c "a "b c"" > > I really have no idea what that means on Windows (and no quick access to > a Windows box to try it) but on Windows that would create *two* > arguments, the first one being 'a b' and the second one 'c'. > > At this point I can understand that Christian recommends against > shell=True -- it's totally messed up! But the fix should really be to > fix this, not inventing a new feature. > > -- > --Guido van Rossum (python.org/~guido <http://python.org/~guido>) > > > _______________________________________________ > 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/tismer%40stackless.com > -- Christian Tismer :^) tis...@stackless.com Software Consulting : http://www.stackless.com/ Karl-Liebknecht-Str. 121 : https://github.com/PySide 14482 Potsdam : GPG key -> 0xFB7BEE0E phone +49 173 24 18 776 fax +49 (30) 700143-0023
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