view Modules/ar_beos @ 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 4e2d1c6f2904
children
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#!/bin/sh
#
#  Truly fake ar, using a directory to store object files.
#
#     Donn Cave, donn@oz.net

usage='Usage: ar-fake cr libpython.dir obj.o ...
       ar-fake d libpython.dir obj.o ...
       ar-fake so libpython.dir libpython.so'

case $# in
0|1|2)
        echo "$usage" >&2
        exit 1
        ;;
esac

command=$1
library=$2
shift 2

case $command in
cr)
        if test -d $library
        then :
        else
                mkdir $library
        fi
        if cp -p $* $library
        then
                #  To force directory modify date, create or delete a file.
                if test -e $library/.tch
                then rm $library/.tch
                else echo tch > $library/.tch
                fi
                exit 0
        fi
        ;;
d)
        if test -d $library
        then
                cd $library
                rm -f $*
        fi
        ;;
so)
        case $BE_HOST_CPU in
        ppc)
                #  In case your libpython.a refers to any exotic libraries,
                #  mwld needs to know that here.  The following hack makes
                #  a couple of assumptions about Modules/Makefile.  If it
                #  doesn't work, you may as well add the necessary libraries
                #  here explicitly instead.
                extralibs=$(
                        (cd Modules; make -f Makefile -n link) |
                        sed -n 's/.*\.so \(.*\) -o python.*/\1/p'
                )
                mwld -xms -export pragma -nodup -o $1 $library/* $extralibs
                ;;
        x86)
                ld -shared -soname $(basename $1) -o $1 $library/*
                ;;
        esac
        status=$?
        cd $(dirname $1)
        ln -sf $PWD lib
        exit $status
        ;;
*)
        echo "$usage" >&2
        exit 1
        ;;
esac