mpd_status.py

#!/usr/bin/env python3

import subprocess
import sys

try:
    import ansicodes   # local module
except ImportError:
    class ansicodes(object):
        @staticmethod
        def mapColors(strn, fgMap, bgMap=None, *, fCols=None, bCols=None, hardReset=False):
            return "".join(strn)

def main():
    mpcFormat = "%artist% - %track%:%title% - %album%"
    mpcLines = subprocess.check_output(["mpc", "--format", mpcFormat])
    mpcLines = mpcLines.decode().splitlines()

    mpcStatus = mpcLines[0]
    if mpcStatus.startswith("volume:"):
        return "Not playing"

    mpcTimeLine = mpcLines[1].split()
    mpcTime = mpcTimeLine[2]
    mpcMode = mpcTimeLine[0][1:-1]

    if mpcMode.lower() == "paused":
        modeColor = "1"
    else:
        modeColor = "2"

    ret = ["<{}> ".format(mpcMode), mpcStatus, " [{}]".format(mpcTime)]

    return ansicodes.mapColors(ret, modeColor + " 3", hardReset=True)


# specific to running directly
def strExit(ret):
    print(ret)

def intExit(ret):
    return ret

mainAction = {str: strExit, int: intExit, None: int}

if __name__ == "__main__":
    ret = main()

    if ret:
        sys.exit(mainAction[ret.__class__](ret) or 0)