I think I had similar issues on Windows. I used this to sort them out: https://github.com/pyinstaller/pyinstaller/wiki/Recipe-subprocess It's written for Windows but maybe you can adapt it to work for Mac
On Wednesday, September 29, 2021 at 2:34:31 PM UTC-7 justin...@gmail.com wrote: > On Thu, Sep 30, 2021 at 9:13 AM Benjam901 <benandr...@gmail.com> wrote: > >> - I am unsure of the major differences but yes I need it compiled to a >> .app instead of a .exe >> - The crash itself I suspect to be a segfault, previously for unknown >> reasons my IDE was crashing with a SIGABRT error. > > > I've seen this kind of crash when something in python raises an exception > in certain Qt contexts like in a signal handler, or somewhere async where > the Qt stack freaks out from the python exception. > > >> - The path to ffmpeg is absolute and uses QStandardPaths to locate the >> documents folder where ffmpeg lives. >> - I have unthreaded the process and it is still the same issue, I will >> try additionally ro run a subprocess to open terminal or some other native >> app. >> > > That is a great debugging point. So then I would focus further on > debugging without a QThread involved since it seems to have no impact on > the crash. > > >> - QProcess I came across recently, what is the major difference between >> QProcess & QThread? Is it the same difference as Threading & >> Multiprocessing? >> > > In this case I don't think its a matter of threading + multiprocessing > since you are using subprocess to exec. We have seen python/qt specific > bugs around that though. > You could try QProcess to at least isolate subprocess as the problem, > since it would be using an entirely different way to launch the child > process. > > >> >> I get this error weirdly irregularly and is hard to repro 100%. It pops >> up and then goes away... >> >> *QThread: Destroyed while thread is still running* >> *Fatal Python error: Aborted* >> *Process finished with exit code 134 (interrupted by signal 6: SIGABRT)* >> > > I think that is saying that your python QThread object reference is being > destroyed, before the underlying system thread has finished. Are you > keeping a reference to it while it is still running either by holding the > python object, or by having it parented to a Qt object? > > >> >> // Ben >> >> On Wednesday, 29 September 2021 at 19:30:32 UTC+2 justin...@gmail.com >> wrote: >> >>> On Thu, Sep 30, 2021 at 4:34 AM Benjam901 <benandr...@gmail.com> wrote: >>> >>>> Hello all, >>>> >>>> It is time to finally get a project out as open source but I am having >>>> a serious roadblock issue with subprocess. >>>> >>>> - In the code I create a new QThread for the subprocess function to run >>>> on. >>>> - Once the QThread is running I use subprocess.run() OR >>>> subprocess.Popen (whatever works) to call ffmpeg to convert some audio >>>> files. >>>> >>>> This works within PyCharm HOWEVER as soon as I package it up into a >>>> .app for mac it crashes immediately upon trying to run the subprocess >>>> without any errors or stacktrace. >>>> >>>> Has anyone had any issues like this before, I would really like this >>>> project to be finished and this is the last blocker >>>> >>> >>> You are developing on a mac as well and the only difference is source vs >>> app packaging? >>> Is the crash a segfault? >>> Is the path to ffmpeg an absolute path or is it relying on $PATH which >>> may be different in the app? >>> Can you successfully run a subprocess command in the packaged app >>> without a QThread (is the QThread the factor)? >>> Have you tried QProcess? >>> >>> >>>> Cheers, >>>> >>>> Ben >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Python Programming for Autodesk Maya" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to python_inside_m...@googlegroups.com. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/python_inside_maya/672ff5b3-ceac-4d42-acaf-c448ea375013n%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/python_inside_maya/672ff5b3-ceac-4d42-acaf-c448ea375013n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> -- >> You received this message because you are subscribed to the Google Groups >> "Python Programming for Autodesk Maya" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to python_inside_m...@googlegroups.com. >> > To view this discussion on the web visit >> https://groups.google.com/d/msgid/python_inside_maya/ee782b0c-7cae-4807-8d8b-5363660f5328n%40googlegroups.com >> >> <https://groups.google.com/d/msgid/python_inside_maya/ee782b0c-7cae-4807-8d8b-5363660f5328n%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "Python Programming for Autodesk Maya" group. 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