nicethings/nicethings

#!/usr/bin/env python3

import os
import sys
import random

#create list.txt
def createlist():
    thefile = open('/home/m455/code/projects/nicethings/list.txt', 'w+')
    thefile.close()
    print("list.txt created, try your command again and it should work :)")

#display random nice message if no arguments are given
def showrandomline():
    thefile = open('/home/m455/code/projects/nicethings/list.txt', 'r')
    filecontents = thefile.read(1)
    if not filecontents:
        print("sorry, there's nothing in list.txt.\nTry adding something to the list by typing:\nnicethings \"your message here\"")
    else:
        print("\n" + random.choice(list(open('/home/m455/code/projects/nicethings/list.txt', 'r'))))

#too many arguments error
def toomanyargs():
    print("Sorry, I only accept one argument.\nTry using:\nnicethings \"your message here\"")

#no input error
def noinputerror():
    print("Sorry, I couldn't find any input.\n\nTry using:\nnicethings \"your message here\"")

#add user input to file and display to user what was added
def addtofile():
    thefile = open('/home/m455/code/projects/nicethings/list.txt', 'a')
    thefile.write(sys.argv[1] + "\n")
    thefile.close()
    print("-----------------------------------------\nYou have added the following to the list:\n\n{}\n-----------------------------------------".format(sys.argv[1]))

#how to handle different user inputs
def handleargs():
    if len(sys.argv) <= 1:
        showrandomline()
    elif len(sys.argv) > 2:
        toomanyargs()
    elif sys.argv[1].isspace() == True or sys.argv[1] == "":
        noinputerror()
    else:
        addtofile()

def handlechoice():
    userchoice = input()
    if userchoice == "y":
        createlist()
    elif userchoice == "n":
        print("bye bye")
    else:
        print("sorry, I didn't get that, type either y or n:")
        handlechoice()

def main():
    if os.path.exists('/home/m455/code/projects/nicethings/list.txt') == True:
        handleargs()
    else:
        print("list.txt doesn't exist\ndo you want me to make a list.txt file right now? (y/n)")
        handlechoice()

if __name__ == '__main__':
    main()