# bash completion for python

have python &&
_python()
{
    local prev cur i

    COMPREPLY=()
    _get_comp_words_by_ref cur prev

    case $prev in
        -'?'|-h|--help|-V|--version|-c|-m)
            return 0
            ;;
        -Q)
            COMPREPLY=( $( compgen -W "old new warn warnall" -- "$cur" ) )
            return 0
            ;;
        -W)
            COMPREPLY=( $( compgen -W "ignore default all module once error" \
                -- "$cur" ) )
            return 0
            ;;
        !(?(*/)python*([0-9.])|-?))
            [[ $COMP_CWORD -lt 2 || ${COMP_WORDS[COMP_CWORD-2]} != -@(Q|W) ]] \
                && _filedir
            ;;
    esac


    # if '-c' is already given, complete all kind of files.
    for (( i=0; i < ${#COMP_WORDS[@]}-1; i++ )); do
        if [[ ${COMP_WORDS[i]} == -c ]]; then
            _filedir
        fi
    done


    if [[ "$cur" != -* ]]; then
        _filedir 'py?([co])'
    else
        COMPREPLY=( $( compgen -W "$( _parse_help $1 -h )" -- "$cur" ) )
    fi

    return 0
} &&
complete -F _python python python2 python3

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