Ville Vainio <vivai...@gmail.com> wrote:
> Has anyone implementing something like what the subject line
> indicates?
>
> The idea:
>
> To run functions that execute a series of system commands without
> blocking the ui, *and* without adding state machine logic.
>
> The syntax would be something like:
>
> def work():
>
> showstatus("building")
> r = yield runshell("make")
> showstatus("installing")
> r = yield runshell("make install")
> showstatus("Success")
>
> mygui.startwork(work)
> # returns immediately, runs work() gradually in the background.
>
> The catch is that showstatus() would need to be run in the mainloop,
> so running the whole thing in a thread is a no-go.
>
> I imagine runshell() would be implemented in terms of QProcess, or
> subprocess.Popen/os.system and a worker thread.
>
> Anyone done this already, or do I have to roll my own?
You might want to look at twisted, in particular
http://twistedmatrix.com/trac/wiki/DeferredGenerator
--
Nick Craig-Wood <n...@craig-wood.com> -- http://www.craig-wood.com/nick
--
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