start.py

#!/usr/bin/python3
import os
from os.path import exists, expanduser
import sys

def get_log_path():
  try:
    home_folder = expanduser("~")
    config_location = home_folder + "/.config/workoutPlan.conf"
    stream = open(config_location, "r")
    if exists(config_location):
      log_path = home_folder + stream.readline().strip("LOGPATH=~")
      return log_path
  except FileNotFoundError as e:
    sys.exit("No config file found to determine LOGPATH")

def select_option():
  prompt = "1. Choose\n2. Time\n3. Log\n4. History\n5. Catalog\n6. Quit\nSelect step: "
  option = str(input(prompt))
  script_path = get_log_path().replace("log/", "").strip("\n")
  script_dict = {
    "1":"1-choose.py", "2":"2-time.py", "3":"3-log.py", "4":"history.py",
    "5":"history.py abc"
  }
  if option in script_dict:
    invoke_script = script_path + script_dict[option]
    os.system('python3 ' + invoke_script)
    return "Y"
  elif option == "6":
    return "N"
  else:
    print("Invalid Option\n")
    return "Y"

#Invoke function
ask_again = (select_option())

#Ask user to provide input again,  if input is not proper
while ask_again != "N":
  ask_again = (select_option())