SCL python alias (SCL it's a RHEL/CentOS thing).

.bashrc

sclpython() {
    if [ "$#" = 0 ]; then
        scl enable python27 python
    else
        echo $(
            echo python
            for i in "$@"; do
               printf "%q\n" "$i"
            done
        ) | scl enable python27 -
    fi
}
alias python=sclpython