> The buffering of stdout and/or stderr of your application probably
> changes if the application runs in a terminal (TTY) or if the output is
> redirected to a pipe (not a TTY). Set the setvbuf() function.

This means in the worst case there is currently no official way to get this output before it writes a newline?


> You can try my hack to disable buffering using LD_PRELOAD:
> https://bitbucket.org/haypo/misc/src/4d133ea3e46550808305b093557ee51d2de2ac9f/misc/nobuffer.c?at=default

I will try later if I can successfully compile Python with this hack.