Simplistic script for playing radio in terminal with mpv underneath

radio.json

[
  {
    "id": 0,
    "station": {
      "name": "Machine Geist",
      "url": "http://178.209.52.163:7331/maschinengeist.org.128.aacp"
    }
  },
  {
    "id": 1,
    "station": {
      "name": "Freeform Radio the Way it Oughta Be",
      "url": "http://stream0.wfmu.org/freeform-128k"
    }
  },
  {
    "id": 2,
    "station": {
      "name": "Jazz Radio New Orleans",
      "url": "http://jazz-wr03.ice.infomaniak.ch/jazz-wr03-128.mp3"
    }
  },
  {
    "id": 3,
    "station": {
      "name": "Wereldmuziek",
      "url": "http://streams.greenhost.nl:8080/wereldmuziek.m3u"
    }
  },
  {
    "id": 4,
    "station": {
      "name": "worldwidefm.net",
      "url": "http://worldwidefm.out.airtime.pro:8000/worldwidefm_a"
    }
  },
  {
    "id": 5,
    "station": {
      "name": "Wassoulou",
      "url": "http://listen.radionomy.com/radio-wassoulou-internationale.m3u"
    }
  },
  {
    "id": 6,
    "station": {
      "name": "Asian Star 101.6FM",
      "url": "http://icecast.commedia.org.uk:8000/asianstar.mp3.m3u"
    }
  },
  {
    "id": 7,
    "station": {
      "name": "ZemaRadio (Ethiopian)",
      "url": "http://listen.radionomy.com/zema-radio.m3u"
    }
  },
  {
    "id": 8,
    "station": {
      "name": "Bongo African Grooves",
      "url": "http://www.bongoradio.com/african-grooves/listen128k.pls"
    }
  },
  {
    "id": 9,
    "station": {
      "name": "Bongo East African",
      "url": "http://www.bongoradio.com/east-african/listen128k.pls"
    }
  },
  {
    "id": 10,
    "station": {
      "name": "Chilled Out",
      "url": "http://relay.181.fm:8700"
    }
  },
  {
    "id": 11,
    "station": {
      "name": "Yerevan Nights",
      "url": "http://www.yerevannights.com/Radio.pls"
    }
  },
  {
    "id": 12,
    "station": {
      "name": "Salsa LatiN 181fm",
      "url": "http://relay.181.fm:8098"
    }
  },
  {
    "id": 13,
    "station": {
      "name": "Trance Jazz 181fm",
      "url": "http://icyrelay.181.fm/181-trancejazz_128k.mp3"
    }
  },
  {
    "id": 14,
    "station": {
      "name": "Mantra (radiolla)",
      "url": "http://air.radiolla.com/mantra192k"
    }
  },
  {
    "id": 15,
    "station": {
      "name": "Radio Mississipi Blues",
      "url": "http://listen.radionomy.com:80/RadioMississipi-Blues"
    }
  },
  {
    "id": 16,
    "station": {
      "name": "BackPorch Bluegrass",
      "url": "http://listen.radionomy.com:80/BackPorchBluegrass"
    }
  },
  {
    "id": 17,
    "station": {
      "name": "Antenne Bayern Chillout",
      "url": "http://mp3channels.webradio.antenne.de/chillout"
    }
  },
  {
    "id": 18,
    "station": {
      "name": "A Jazz Dream",
      "url": "http://streaming.radionomy.com/AJAZZDREAM-Classic-NewJazz24H"
    }
  },
    {
    "id": 19,
    "station": {
      "name": "Bombay Beats India Radio",
      "url": "http://205.164.62.15:8017"
    }
  },
    {
    "id": 20,
    "station": {
      "name": "Motown Classics",
      "url": "http://streaming.radionomy.com/motown-classics"
    }
  },
    {
    "id": 21,
    "station": {
      "name": "RnB Cream",
      "url": "http://streaming.radionomy.com/_rb_cream"
    }
  }
]

radio.py

#!/usr/bin/env python

import argparse
import json
import logging
import os
import signal
import subprocess


def playStation(url='http://178.209.52.163:7331/maschinengeist.org.128.aacp'):
    params = {
        'player': '/usr/local/bin/mpv',
        'profile': 'radio',
        'url': url
    }

    command = "%(player)s --profile=\"%(profile)s\" \"%(url)s\"" % params
    logging.info(command)
    try:
        # return commands.getoutput(command)
        # return subprocess.getoutput(command)
        # The os.setsid() is passed in the argument preexec_fn so
        # it's run after the fork() and before  exec() to run the shell.
        return subprocess.Popen(command, stdout=subprocess.PIPE, shell=True, preexec_fn=os.setsid)
    except Exception as e:
        logging.exception("Sending notification failed\n{}".format(e))
        raise


def displayCandidates(candidates, pageStart, nStations):
    print("{:2} stations found. Please select from following:".format(nStations))
    fmtStr = "{:2}) {:20}"
    for i, s in enumerate(candidates):
        print(fmtStr.format(i + pageStart, s["station"]["name"]))


def selectStation(stations):
    nStations = len(stations)
    page = 0
    pageSize = 15
    msg = "\nEnter number to select (default=0), 's' to skip."
    if nStations > pageSize:
        msg += " 'n' to next page, 'p' to previous page.\n>>>_"
    else:
        msg += "\n>>>_"

    while True:
        start = page * pageSize
        end = start + pageSize
        # go to alternate screen
        os.system("tput smcup")
        print(chr(27) + "[2J")
        displayCandidates(stations[start:end], start, nStations)
        ans = input(msg)
        logging.info("User ans = '{}'".format(ans))
        # go back to main screen
        os.system("tput rmcup")
        if ans.lower() == "s":
            print("Skiping station {}, {}".format(
                stations["id"], stations["station"]["name"]))
            return None
        elif ans.lower() == "n":
            if page + 1 > int(nStations / pageSize):
                pass
            else:
                page += 1
        elif ans.lower() == "p":
            if page == 0:
                pass
            else:
                page -= 1
        elif ans.isdigit():
            return stations[int(ans)]
        else:
            return stations[0]


def getArgs(argv=None):
    parser = argparse.ArgumentParser(description='Play radiostations with mpv',
                                     formatter_class=argparse.ArgumentDefaultsHelpFormatter)
    parser.add_argument('-p', '--playlist',
                        default='radio.json',
                        help='List of radiostations')
    return parser.parse_args(argv)


if __name__ == '__main__':

    FORMAT = '%(asctime)s - %(levelname)s - %(message)s'
    try:
        os.remove('radio.log')
    except BaseException:
        pass
    logging.basicConfig(filename='radio.log', level=logging.DEBUG,
                        format=FORMAT, datefmt='%a, %d %b %Y %H:%M:%S',)
    logging.info('--- radio.py logging started ---.')

    args = getArgs()

    fpath = "./{}".format(args.playlist)
    with open(fpath, 'r') as json_data:
        st = json.load(json_data)
        selected = selectStation(st)
        logging.info(selected)
        url = selected["station"]["url"]
        print("Playing station {} from {}".format(
            selected["station"]["name"], url))
        process = playStation(url)
        logging.info(process)
        # sleep(10)
        input("Press Enter to stop playback...")
        try:
            # Send the signal to all the process groups
            os.killpg(os.getpgid(process.pid), signal.SIGTERM)
        except Exception as e:
            logging.exception(e)
            pass
    logging.info('--- radio.py logging finished ---.')