> -------- Original Message -------- > Subject: Re: Running a GUI program haults the calling program (linux) > Local Time: 26 September 2017 1:26 PM > UTC Time: 26 September 2017 07:56 > From: __pete...@web.de > To: python-list@python.org > > Kryptxy via Python-list wrote: > >> Sent with [ProtonMail](https://protonmail.com) Secure Email. >> >>> -------- Original Message -------- >>> Subject: Re: Running a GUI program haults the calling program (linux) >>> Local Time: 26 September 2017 12:09 PM >>> UTC Time: 26 September 2017 06:39 >>> From: c...@cskk.id.au >>> To: Kryptxy <kryp...@protonmail.com> >>> python-list <python-list@python.org> >>> >>> On 25Sep2017 20:38, Kryptxy <kryp...@protonmail.com> wrote: >>>>I want to run a GUI program (transmission-gtk) from python. This is what >>>>I do: >>>> >>>>import subprocess >>>>subprocess.Popen(["transmission-gtk", link], stdout=subprocess.PIPE, >>>>stderr=subprocess.PIPE) >>>> >>>>Where `link` is some magnetic link. >>>> >>>>This command opens transmission-gtk, but it haults the calling program, >>>>and keeps the terminal busy till the time GUI is running. As soon as GUI >>>>is closed, the control goes back to the program. >>> >>> I do not believe this is all your code. Please post a _complete_ example. >>> >>> Popen dispatches a process. It does not wait for it to terminate. GUI >>> programs are not special. Therefore, if your calling python program is >>> blocking, it is blocking somewhere other that this line of code. Please >>> show us where. >>> >>> Consider putting print() calls through your code to locate where your >>> program stalls. >>> >>> Cheers, >>> Cameron Simpson <c...@cskk.id.au> (formerly c...@zip.com.au) >> >> Here - >> >> p = subprocess.Popen(["transmission-gtk", link], stdout=subprocess.PIPE, >> stderr=subprocess.PIPE) >> output, error = p.communicate() > > That"s the problem. communicate() *must* block to collect the program"s > entire output. You get what you ask for...
Thanks! It worked! -- https://mail.python.org/mailman/listinfo/python-list
