setup.py

import sys
import subprocess
import os

# importing urllib.requests for internet cheking funtions
import urllib.request

# To check if the system is connected to the internet
def connect(host="https://google.com/"):
    try:
        urllib.request.urlopen(host)
        return True
    # trying to catch exception when internet is not ON.
    except:
        return False


package_q = ["pycryptodomex"]


def setup_a(module_name):

    # updating pip to latest version
    subprocess.run("python -m pip install --upgrade pip")

    # commanding terminal to pip install required modules
    p = subprocess.run("python3 -m pip3 install " + module_name)

    # Not connected to the internet
    if p.returncode == 1 and connect() == False:
        print("Error!! occured check\nInternet Conection.")

    # Every thing worked fine
    elif p.returncode == 0:
        print(module_name, " is installed successfully.")

    # Name of module is wrong
    elif p.returncode == 1 and connect() == True:
        print("Error!! occured check\nModule Name.")


print("Installing")
print("Please wait....")
print("Do not close this program")
for package in package_q:  # sending module names to the setup_a funtion
    setup_a(package)
print("Installation finished")
subprocess.run("python3 EncrypC.py")  # to run the main file