list_composers

#!/bin/bash
#
# shellcheck disable=SC1090,SC2220

ROON=/usr/local/Roon
ROONAPI=${ROON}/api
ROONETC=${ROON}/etc
ROONCONF=${ROONETC}/pyroonconf
LIST=list_composers.py
COMPOSER=
EXCOMPOSER=

[ -d ${ROONAPI} ] || exit 1

cd ${ROONAPI} || exit 1

[ -f $LIST ] || exit 2

[ "$1" ] && COMPOSER="$1"
[ "$2" ] && EXCOMPOSER="$2"

# Use a Python virtual environment
[ -f ${ROON}/venv/bin/activate ] && source ${ROON}/venv/bin/activate
[[ ":$PATH:" == *":/usr/local/Roon/venv/bin:"* ]] || {
  export PATH=/usr/local/Roon/venv/bin:${PATH}
}

# Get the zone if it is set
if [ -f ${ROONCONF} ]
then
    . ${ROONCONF}
else
    DEFZONE=$(grep ^DefaultZone ${ROONETC}/roon_api.ini | awk -F '=' ' { print $2 } ')
    ${ROON}/bin/set_zone "${DEFZONE}"
    . ${ROONCONF}
fi

[ "${COMPOSER}" ] || COMPOSER="__all__"

# Construct the exclusion args if passed
EXARGS=
[ "${EXCOMPOSER}" ] && EXARGS="-x ${EXCOMPOSER}"

have_python3=$(type -p python3)
if [ "${have_python3}" ]
then
    python3 $LIST -c "$COMPOSER" -z "$ROON_ZONE" $EXARGS
else
    python $LIST -c "$COMPOSER" -z "$ROON_ZONE" $EXARGS
fi