view Tools/scripts/lll.py @ 87690:66c1c9f32567 default tip

Add use_weakref option to functools.lru_cache The use_weakref option makes lru_cache create weak references to the function arguments when creating the cache key, which prevents them from staying in the memory forever even after all other references to them are gone. This is a proof of concept for http://bugs.python.org/issue19859
author Radomir Dopieralski <devel@sheep.art.pl>
date Tue, 03 Dec 2013 16:02:48 +0100
parents fcfe324663a6
children
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#! /usr/bin/env python3

# Find symbolic links and show where they point to.
# Arguments are directories to search; default is current directory.
# No recursion.
# (This is a totally different program from "findsymlinks.py"!)

import sys, os

def lll(dirname):
    for name in os.listdir(dirname):
        if name not in (os.curdir, os.pardir):
            full = os.path.join(dirname, name)
            if os.path.islink(full):
                print(name, '->', os.readlink(full))
def main():
    args = sys.argv[1:]
    if not args: args = [os.curdir]
    first = 1
    for arg in args:
        if len(args) > 1:
            if not first: print()
            first = 0
            print(arg + ':')
    lll(arg)

if __name__ == '__main__':
    main()