Borja Thanks a lot for the information. This is exactly what I want. However, as Martti states, I hope such workarounds are not necessary anymore as soon as possible. On 24 January 2015 at 00:57, Borja <borja@xxxxxxxxxxx> wrote: > > Does this .bashrc hack for for you maybe? :-) > > > ## Toogle between python versions > python-toggle(){ > > local RED="\e[0;31m" > local GREEN="\e[0;32m" > local RESET="\e[0;0m" > > test -z "$1" || v="$1" > local bins=('python' 'python-config' 'pip') > cd /usr/bin > for bin in ${bins[@]}; do > test -h $bin || { > echo -e "${RED}ERROR:${RESET} cannot find $PWD/$bin" > return 1 > } > done > echo -e ">> ${RED}Disabling $(python -V 2>&1)${RESET}\007" > if [[ python -ef python3 || "python${v}" == "python3" ]]; then > rm python python-config pip > ln -s python2 python > ln -s python2-config python-config > ln -s pip2 pip > elif [[ python -ef python2 || "python${v}" == "python2" ]]; then > rm python python-config pip > ln -s python3 python > ln -s python3-config python-config > ln -s pip3 pip > else > echo -e "${RED}ERROR:${RESET} cannot find link /usr/bin/$bin" > cd - > /dev/null > return 2 > fi > echo -e ">> ${GREEN}Enabled $(python -V 2>&1)${RESET}\007" > cd - > /dev/null > } > > > El vie, 23-01-2015 a las 21:51 +0800, Chi Hsuan Yen escribió: > > Dear Arch enthusiasts, > > > > The package extra/java-runtime-common provides a convenient script > > archlinux-java to handle co-existing JDK/JRE versions. I can use it to > > switch between different versions of java implementations to accomplish > > numerous tasks from testing the compatibilities of my programs to running > > third party applications targeting on different platforms. Now I hope > > there's also a simple script for the same thing but for python. On the > > system, most of the scripts are written for python2 and some other > scripts > > are python3-specific. In most cases it's not a problem because I can fix > > the scripts or use some tricks like $PATH to ensure the correct execution > > of the programs. However, in large projects, doing either is > time-consuming > > and costly. Recently I'm building CyanogenMod on Arch Linux. It includes > > lots of python scripts in the build system, and most of them requires > > python2. Using the tip provided on the article about Python on ArchWiki > > prevents lots of problems, but, however, some scripts have the shebang > line > > "#!/usr/bin/env python" or are invoked by some command like > > "/usr/bin/python ...". I have to change the link /usr/bin/python to > > pointing to python2 for further progress on building and changed it back > > for my daily use. If there's an archlinux-python script, lots of time on > > battling the difference between python2 and python3 does not exist > anymore, > > which I believe lots of users can benefit from it. Any ideas? > > > > Best Regards, > > > > Yen Chi Hsuan > > -- > > ====================================================================== > > GPG 0x8C00BA074CA6E08B -- https://www.libcrack.so/ >