cpumon.py

#!/usr/bin/env python

# CPU usage monitor

import pygame, psutil

BLUE = 0, 85, 170
ORANGE = 255, 136, 0

class CPUMon:
    def __init__(s):
        pygame.init()
        s.res = 200, 100
        s.screen = pygame.display.set_mode(s.res)
        pygame.display.set_caption('cpumon')
        s.screen.fill(BLUE)
        s.clock = pygame.time.Clock()

    def events(s):
        for event in pygame.event.get():
            if event.type == pygame.QUIT: s.running = False

    def run(s):
        s.running = True
        while s.running:
            s.clock.tick(4)
            s.events()
            s.update()
        pygame.quit()

    def update(s):
        cpu = int(psutil.cpu_percent(interval=None))
        s.screen.scroll(dx = -1)
        pygame.draw.line(s.screen, BLUE,
            ((s.res[0]-1), s.res[1]-1),
            ((s.res[0]-1), 0), 1)
        pygame.draw.line(s.screen, ORANGE,
            ((s.res[0]-1), s.res[1]-1),
            ((s.res[0]-1), s.res[1]-cpu), 1)
        
        pygame.display.flip()

c = CPUMon()
c.run()