Merge pull request #5257 from PySimpleGUI/Dev-latest
Reworked to use the newer PySimpleGUI constructs - save window positi…
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PySimpleGUI
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5ba5b949b0
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@ -2,104 +2,79 @@
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import PySimpleGUI as sg
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import psutil
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import time
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from threading import Thread
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import operator
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import sys
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"""
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PSUTIL Desktop Widget
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Creates a floating CPU utilization window that is always on top of other windows
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You move it by grabbing anywhere on the window
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Good example of how to do a non-blocking, polling program using PySimpleGUI
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Use the spinner to adjust the number of seconds between readings of the CPU utilizaiton
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PSUTIL "Top" CPU Processes - Desktop Widget
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Creates a floating CPU utilization window running something similar to a "top" command.
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NOTE - you will get a warning message printed when you exit using exit button.
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It will look something like:
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invalid command name "1616802625480StopMove"
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Use the spinner to adjust the number of seconds between readings of the CPU utilizaiton
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Rather than calling the threading module this program uses the PySimpleGUI perform_long_operation method.
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The result is similar. The function is run as a thread... the call is simply wrapped.
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Copyright 2022 PySimpleGUI
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"""
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# globale used to communicate with thread.. yea yea... it's working fine
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g_interval = 1
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g_cpu_percent = 0
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g_procs = None
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g_exit = False
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# global used to communicate with thread.
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g_interval = 1 # how often to poll for CPU usage
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def CPU_thread(args):
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global g_interval, g_cpu_percent, g_procs, g_exit
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def CPU_thread(window:sg.Window):
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while not g_exit:
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try:
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g_cpu_percent = psutil.cpu_percent(interval=g_interval)
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g_procs = psutil.process_iter()
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except:
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pass
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while True:
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cpu_percent = psutil.cpu_percent(interval=g_interval)
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procs = psutil.process_iter()
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window.write_event_value('-CPU UPDATE-', (cpu_percent, procs))
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def main(location):
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global g_interval, g_procs, g_exit
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def main():
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global g_interval
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location = sg.user_settings_get_entry('-location-', (None, None))
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# ---------------- Create Form ----------------
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sg.theme('Black')
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layout = [
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[sg.Text('', size=(8, 1), font=('Helvetica', 20),
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text_color=sg.YELLOWS[0], justification='center', key='text')],
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[sg.Text('', size=(30, 8), font=('Courier New', 12),
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layout = [[sg.Text('', size=(8, 1), font=('Helvetica', 20),
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text_color=sg.YELLOWS[0], justification='center', key='text'), sg.Push(), sg.Text('❎', enable_events=True, key='Exit')],
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[sg.Text('', size=(30, 8), font=('Courier New', 12),
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text_color='white', justification='left', key='processes')],
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[sg.Text('Update every '),
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sg.Spin([x+1 for x in range(10)], 3, key='spin'), sg.T('seconds '),
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sg.Text('❎', enable_events=True, key='Exit')
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]
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]
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[sg.Text('Update every '), sg.Spin([x+1 for x in range(10)], 3, key='spin'), sg.T('seconds ')]]
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window = sg.Window('Top CPU Processes', layout,
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no_titlebar=True, keep_on_top=True,location=location, use_default_focus=False, alpha_channel=.8, grab_anywhere=True, right_click_menu=sg.MENU_RIGHT_CLICK_EDITME_EXIT)
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window = sg.Window('Top CPU Processes', layout, no_titlebar=True, keep_on_top=True,location=location, use_default_focus=False, alpha_channel=.8, grab_anywhere=True, right_click_menu=sg.MENU_RIGHT_CLICK_EDITME_EXIT, enable_close_attempted_event=True)
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# start cpu measurement thread
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thread = Thread(target=CPU_thread, args=(None,))
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thread.start()
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timeout_value = 1 # make first read really quick
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# using the PySimpleGUI call to start and manage the thread
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window.perform_long_operation(lambda: CPU_thread(window), '-THREAD FINISHED-')
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g_interval = 1
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# ---------------- main loop ----------------
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while True:
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# --------- Read and update window --------
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event, values = window.read(timeout_value)
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event, values = window.read()
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# --------- Do Button Operations --------
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if event in (sg.WIN_CLOSED, 'Exit'):
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if event in (sg.WIN_CLOSE_ATTEMPTED_EVENT, 'Exit'):
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sg.user_settings_set_entry('-location-', window.current_location()) # save window location before exiting
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break
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elif event == 'Edit Me':
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sg.execute_editor(__file__)
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timeout_value = int(values['spin']) * 1000 # for now on, use spinner for timeout
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elif event == '-CPU UPDATE-': # indicates data from the thread has arrived
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cpu_percent, procs = values[event] # the thread sends a tuple
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if procs:
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# --------- Create dictionary of top % CPU processes. Format is name:cpu_percent --------
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top = {proc.name(): proc.cpu_percent() for proc in procs}
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top_sorted = sorted(top.items(), key=operator.itemgetter(1), reverse=True) # reverse sort to get highest CPU usage on top
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if top_sorted:
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top_sorted.pop(0) # remove the idle process
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display_string = '\n'.join([f'{cpu/10:2.2f} {proc}' for proc, cpu in top_sorted])
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# --------- Display timer and proceses in window --------
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window['text'].update(f'CPU {cpu_percent}')
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window['processes'].update(display_string)
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# get the timeout from the spinner
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g_interval = int(values['spin'])
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cpu_percent = g_cpu_percent
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display_string = ''
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if g_procs:
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# --------- Create list of top % CPU porocesses --------
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try:
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top = {proc.name(): proc.cpu_percent() for proc in g_procs}
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except:
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pass
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top_sorted = sorted(
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top.items(), key=operator.itemgetter(1), reverse=True)
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if top_sorted:
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top_sorted.pop(0)
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display_string = ''
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for proc, cpu in top_sorted:
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display_string += '{:2.2f} {}\n'.format(cpu/10, proc)
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# --------- Display timer and proceses in window --------
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window['text'].update('CPU ' + str(cpu_percent))
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window['processes'].update(display_string)
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g_exit = True
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thread.join()
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window.close()
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if __name__ == '__main__':
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if len(sys.argv) > 1:
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location = sys.argv[1].split(',')
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location = (int(location[0]), int(location[1]))
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else:
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location = (None, None)
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main(location)
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main()
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