On Fri, Oct 23, 2009 at 5:19 PM, kj <no.em...@please.post> wrote: > I like Python a lot, and in fact I'm doing most of my scripting in > Python these days, but one thing that I absolutely *****DETEST***** > about Python is that it does allow an internal function to modify > variables in the enclosing local scope. This willful hobbling of > internal functions seems to me so perverse and unnecessary that it > delayed my adoption of Python by about a decade. Just thinking > about it brings me to the brink of blowing a gasket... I must go > for a walk... <snip> > Anyway, I recently wanted to write a internal helper function that > updates an internal list and returns True if, after this update, > the list is empty, and once more I bumped against this hated > "feature". What I wanted to write, if Python did what I wanted it > to, was this: > > def spam(): > jobs = None > def check_finished(): > jobs = look_for_more_jobs() > return not jobs > > if check_finished(): > return > > process1(jobs) > > if check_finished(): > return > > process2(jobs) > > if check_finished(): > return > > process3(jobs) <snip> > Is there some other trick to modify local variables from within > internal functions?
The `nonlocal` statement?: http://www.python.org/dev/peps/pep-3104/ Cheers, Chris -- http://blog.rebertia.com -- http://mail.python.org/mailman/listinfo/python-list
