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Major update of all demo programs to use new PEP8 bindings, etc

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PySimpleGUI 2019-10-23 16:10:03 -04:00
parent 3f7c87c562
commit 7f52778bcc
307 changed files with 19546 additions and 3297 deletions
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47
DemoPrograms/Demo_Multithreaded_Long_Tasks.py
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@ -1,15 +1,11 @@
#!/usr/bin/python3
import queue
import threading
import time
import PySimpleGUI as sg
# This program has been tested on all flavors of PySimpleGUI and it works with no problems at all
# To try something other than tkinter version, just comment out the first import and uncomment the one you want
import PySimpleGUI as sg
# import PySimpleGUIQt as sg
# import PySimpleGUIWx as sg
# import PySimpleGUIWeb as sg
"""
DESIGN PATTERN - Multithreaded Long Tasks GUI
@ -41,14 +37,6 @@ def long_operation_thread(seconds, gui_queue):
gui_queue.put('** Done **') # put a message into queue for GUI
###### ## ## ####
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def the_gui():
"""
Starts and executes the GUI
@ -60,23 +48,27 @@ def the_gui():
layout = [[sg.Text('Long task to perform example')],
[sg.Output(size=(70, 12))],
[sg.Text('Number of seconds your task will take'),sg.Input(key='_SECONDS_', size=(5,1)), sg.Button('Do Long Task', bind_return_key=True)],
[sg.Text('Number of seconds your task will take'),
sg.Input(key='-SECONDS-', size=(5, 1)),
sg.Button('Do Long Task', bind_return_key=True)],
[sg.Button('Click Me'), sg.Button('Exit')], ]
window = sg.Window('Multithreaded Window').Layout(layout)
window = sg.Window('Multithreaded Window', layout)
# --------------------- EVENT LOOP ---------------------
while True:
event, values = window.Read(timeout=100) # wait for up to 100 ms for a GUI event
if event is None or event == 'Exit':
event, values = window.read(timeout=100)
if event in (None, 'Exit'):
break
elif event.startswith('Do'):
try:
seconds = int(values['_SECONDS_'])
print('Starting thread to do long work....sending value of {} seconds'.format(seconds))
threading.Thread(target=long_operation_thread, args=(seconds , gui_queue,), daemon=True).start()
seconds = int(values['-SECONDS-'])
print('Thread ALIVE! Long work....sending value of {} seconds'.format(seconds))
threading.Thread(target=long_operation_thread,
args=(seconds, gui_queue,), daemon=True).start()
except Exception as e:
print('Error starting work thread. Did you input a valid # of seconds? You entered: %s' % values['_SECONDS_'])
print('Error starting work thread. Bad seconds input: "%s"' %
values['-SECONDS-'])
elif event == 'Click Me':
print('Your GUI is alive and well')
# --------------- Check for incoming messages from threads ---------------
@ -90,17 +82,8 @@ def the_gui():
print('Got a message back from the thread: ', message)
# if user exits the window, then close the window and exit the GUI func
window.Close()
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window.close()
if __name__ == '__main__':
the_gui()
print('Exiting Program')
print('Exiting Program')