PySimpleGUI/DemoPrograms/Demo_CLI_or_GUI.py at master · PySimpleGUI/PySimpleGUI · GitHub

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"""

Demo Command Line Application or GUI Application

If your program is run with arguments, then a command line version is used.

If no arguments are given, then a GUI is shown that asks for a filename.

http://www.PySimpleGUI.org

"""

import PySimpleGUI as sg

import sys

def main_cli(filename):

print(f'Your filename = {filename}')

def main_gui():

filename = sg.popup_get_file('Please enter a filename:')

main_cli(filename)

if __name__ == '__main__':

if len(sys.argv) < 2:

main_gui()

else:

main_cli(sys.argv[1])

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