New Desktop Widget - CPU Square (like the RAM square that shades showing %)

DemoPrograms/Demo_Desktop_Widget_CPU_Square.py

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+import PySimpleGUI as sg
+import psutil
+
+"""
+    Another simple Desktop Widget using PySimpleGUI
+    This time a RAM indicator.  The Widget is square.  
+    The bottom section will be shaded to 
+    represent the total amount CPU currently in use.
+    Uses the theme's button color for colors.
+
+    Copyright 2020 PySimpleGUI.org
+"""
+
+ALPHA = 0.5
+THEME = 'Dark purple 6 '
+GSIZE = (160, 160)
+UPDATE_FREQUENCY_MILLISECONDS = 2 * 1000
+
+
+def human_size(bytes, units=(' bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB')):
+    """ Returns a human readable string reprentation of bytes"""
+    return str(bytes) + ' ' + units[0] if bytes < 1024 else human_size(bytes >> 10, units[1:])
+
+
+sg.theme(THEME)
+
+graph = sg.Graph(GSIZE, (0, 0), GSIZE, key='-GRAPH-', enable_events=True)
+layout = [[graph]]
+
+window = sg.Window('CPU Usage', layout, no_titlebar=True, grab_anywhere=True, margins=(0, 0), element_padding=(0, 0), alpha_channel=ALPHA, finalize=True)
+
+text_id2 = graph.draw_text(f'CPU', (GSIZE[0] // 2, GSIZE[1] // 4), font='Any 20', text_location=sg.TEXT_LOCATION_CENTER,                               color=sg.theme_button_color()[0])
+
+
+while True:  # Event Loop
+    # ----------- update the graphics and text in the window ------------
+    cpu_percent = psutil.cpu_percent(interval=1)
+
+    rect_height = int(GSIZE[1] * float(cpu_percent) / 100)
+    rect_id = graph.draw_rectangle((0, rect_height), (GSIZE[0], 0), fill_color=sg.theme_button_color()[1], line_width=0)
+    text_id1 = graph.draw_text(f'{int(cpu_percent)}%', (GSIZE[0] // 2, GSIZE[1] // 2), font='Any 40', text_location=sg.TEXT_LOCATION_CENTER,
+                               color=sg.theme_button_color()[0])
+    text_id3 = graph.draw_text('❎', (0, 0), font='Any 8', text_location=sg.TEXT_LOCATION_BOTTOM_LEFT, color=sg.theme_button_color()[0])
+
+    event, values = window.read(timeout=UPDATE_FREQUENCY_MILLISECONDS)
+    if event == sg.WIN_CLOSED or event == 'Exit':
+        break
+    if event == '-GRAPH-':  # exit if clicked in the bottom left 20 x 20 pixel area
+        if values['-GRAPH-'][0] < 20 and values['-GRAPH-'][1] < 20:
+            break
+    graph.delete_figure(rect_id)
+    graph.delete_figure(text_id1)
+    graph.delete_figure(text_id3)
+window.close()