Ned Deily added the comment:
In many installations, the user running Python would not have write access to
the lib directory tree where the compiled byte files need to be created so we
would not want to change the current default behavior. On the other hand, I
could see some times when
New submission from daniel hahler :
I'd like to make running compileall optionally during installation, since it
takes quite a while by itself (with lots of output), and gets a bit into the
way when installing often (e.g. with git-bisect).
AFAIK it should not be required, because the files
