RomRoamer.py

#!/usr/bin/python3
# -*- coding: utf-8 -*-

import sys
from pynput.keyboard import Key, Controller
from time import sleep

"""
RomRoamer: automatically wander playing with 
	   a GBC/GBA/NDS rom (E.G. to hatch
	   eggs in Pokémon games or level up 
	   a Pokémon left at the Day Care).
"""


class RomRoamer:

    def __init__(self) -> None:
        sys.tracebacklimit = 0
        self.data = input("\nHow many times do you want to roam in a square? ")
        if not self.data.isdigit():
            raise ValueError("Insert a valid number.\n")
        self.times = int(self.data)

    def main(self) -> None:
        keyboard = Controller()
        sleep(3)
        while self.times > 0:

            # Go down
            keyboard.press(Key.down)
            sleep(0.8)
            keyboard.release(Key.down)

            # Go right
            keyboard.press(Key.right)
            sleep(0.8)
            keyboard.release(Key.right)

            # Go up
            keyboard.press(Key.up)
            sleep(0.8)
            keyboard.release(Key.up)

            # Go left
            keyboard.press(Key.left)
            sleep(0.8)
            keyboard.release(Key.left)

            self.times -= 1


if __name__ == '__main__':
    RomRoamer().main()