Raspberry Pi上的Python脚本会随着时间的推移而变慢

Question

我是Python新手，这是一个非常简单的脚本。它运行良好，但随着时间的推移会变慢。我用的是配有自动化帽的Pi 4。另外，我有一个MIDI到USB接口。其目的是根据接收到的MIDI命令切换HAT上的继电器

当脚本启动时，它可以完美地运行。随着时间的推移，它逐渐变慢

由于我是一个新手，我相信这可以写得更优雅，但我仍然没有看到任何明显会减慢脚本速度的东西

from guizero import App, TextBox, PushButton, Text, Combo
from guizero import App, Drawing
from gpiozero import CPUTemperature


import pygame, pygame.midi
import automationhat
import time
automationhat.light.power.write(0)        
automationhat.relay.one.write(0)
automationhat.relay.two.write(0)
automationhat.relay.three.write(0)

pygame.midi.init()


app = App(title="TwiggyBlues", bg = "white", height=230, width=325)

MidiChnl = Combo(app, selected="MIDI 5", options=["MIDI 1", "MIDI 2", "MIDI 3", "MIDI 4", "MIDI 5", "MIDI 6", "MIDI 7", "MIDI 8"],)
MidiChn = (MidiChnl.value)



drawing = Drawing(app,height=150, width=305)

REVERB = drawing.oval(20, 20, 45, 45, color="black")

SLAP = drawing.oval(100, 20, 125, 45, color="black")

DISTORTION = drawing.oval(180, 20, 205, 45, color="black")

COMP = drawing.oval(260, 20, 285, 45, color="black")

drawing.text(5, 75, "REVERB", color="black",size=10)

drawing.text(95, 75, "SLAP", color="black",size=10)

drawing.text(150, 75, "DISTORTION", color="black",size=10)

drawing.text(255, 75, "COMP", color="black",size=10)

reverbstat = automationhat.input.one.read()
slapstat = automationhat.input.two.read()
diststat = automationhat.input.three.read()
compstat = automationhat.analog.one.read()

print("compstat ", compstat)



#######MIDI INTERFACE##############

inp = pygame.midi.Input(3,100)


def reverb_tog():
   
    automationhat.light.power.write(1)          
    automationhat.relay.one.on()
    #drawing = Drawing(app,grid=[40,10])
    time.sleep(0.2)
    automationhat.relay.one.off()
    automationhat.light.power.write(0)
   
def slap_tog():
   
    automationhat.light.power.write(1)          
    automationhat.relay.two.on()
    #drawing = Drawing(app,grid=[40,10])
    time.sleep(0.2)
    automationhat.relay.two.off()
    automationhat.light.power.write(0)
   
def dist_tog():
   
    automationhat.light.power.write(1)          
    automationhat.relay.three.on()
    #drawing = Drawing(app,grid=[40,10])
    time.sleep(0.2)
    automationhat.relay.three.off()
    automationhat.light.power.write(0)
   
def comp_tog():
   
    automationhat.light.power.write(1)          
    automationhat.output.one.on()
    #drawing = Drawing(app,grid=[40,10])
    time.sleep(0.2)
    automationhat.output.one.off()
    automationhat.light.power.write(0)


def midiloop():
    reverbstat = automationhat.input.one.read()
    slapstat = automationhat.input.two.read()
    diststat = automationhat.input.three.read()
    compstat = automationhat.analog.one.read()
    cpu = CPUTemperature()
    print(cpu.temperature)
    if MidiChnl.value == "MIDI 1":
        chnl = 192
   
    elif  MidiChnl.value == "MIDI 2":
        chnl = 193
   
    elif  MidiChnl.value == "MIDI 3":
        chnl = 194
   
    elif  MidiChnl.value == "MIDI 4":
        chnl = 195
   
    elif  MidiChnl.value == "MIDI 5":
        chnl = 196
   
    elif  MidiChnl.value == "MIDI 6":
        chnl = 197
   
    elif  MidiChnl.value == "MIDI 7":
        chnl = 198
   
    elif  MidiChnl.value == "MIDI 8":
        chnl = 199
   
    elif  MidiChnl.value == "MIDI 9":
        chnl = 200
   
    elif  MidiChnl.value == "MIDI 10":
        chnl = 201
   
    elif  MidiChnl.value == "MIDI 11":
        chnl = 202
   
    elif  MidiChnl.value == "MIDI 12":
        chnl = 203
   
    elif  MidiChnl.value == "MIDI 13":
        chnl = 204
   
    elif  MidiChnl.value == "MIDI 14":
        chnl = 205
   
    elif  MidiChnl.value == "MIDI 15":
        chnl = 206
   
    elif  MidiChnl.value == "MIDI 16":
        chnl = 207
   
   
    #print("MIDI ", chnl)
     
    if reverbstat>0:
       REVERB = drawing.oval(20, 20, 45, 45, color="blue")
    elif reverbstat<1:
        REVERB = drawing.oval(20, 20, 45, 45, color="black")
       
    if slapstat>0:
       SLAP = drawing.oval(100, 20, 125, 45, color="green")
    elif slapstat<1:
        SLAP = drawing.oval(100, 20, 125, 45, color="black")
       
    if diststat>0:
       DISTORTION = drawing.oval(180, 20, 205, 45, color="red")
    elif diststat<1:
        DISTORTION = drawing.oval(180, 20, 205, 45, color="black")
       
    if compstat>2:
       COMP = drawing.oval(260, 20, 285, 45, color="yellow")
    elif compstat<2:
        COMP = drawing.oval(260, 20, 285, 45, color="black")
       
       
       
 
   
    read = inp.read(100)
    for event in read:        
        ((status,data1,data2,data3),timestamp) = event
        MIDI_Cmd = (data1)+1
        if status == chnl and MIDI_Cmd == 1:
           

           
            reverbstat = automationhat.input.one.read()
            print("Reverb Status ", reverbstat)          
            print(MIDI_Cmd,' received')
            if reverbstat<1:
                reverb_tog()
           
        elif  status == chnl and MIDI_Cmd == 10:
           
            reverbstat = automationhat.input.one.read()
            print("Reverb Status ", reverbstat)          
            print(MIDI_Cmd,' received')
            if reverbstat>0:
                reverb_tog()
               
        if status == chnl and MIDI_Cmd == 2:
           
           
            slapstat = automationhat.input.two.read()
            print("Slap Status ",slapstat)          
            print(MIDI_Cmd,' received')
            if slapstat<1:
                slap_tog()
               
        elif  status == chnl and MIDI_Cmd == 20:
           
           
            slapstat = automationhat.input.two.read()
            print("Slap Status ",slapstat)          
            print(MIDI_Cmd,' received')
            if slapstat>0:
                slap_tog()
               
               
        if status == chnl and MIDI_Cmd == 3:
           
           
            diststat = automationhat.input.three.read()
            print("Dist Status ",diststat)          
            print(MIDI_Cmd,' received')
            if diststat<1:
                dist_tog()
               
        elif  status == chnl and MIDI_Cmd == 30:
           
           
            diststat = automationhat.input.three.read()
            print("Dist Status ",diststat)          
            print(MIDI_Cmd,' received')
            if diststat>0:
                dist_tog()
               
        if status == chnl and MIDI_Cmd == 4:
           
           
            compstat = automationhat.analog.one.read()
            print("Dist Status ",diststat)          
            print(MIDI_Cmd,' received')
            if compstat<1:
                comp_tog()
               
        elif  status == chnl and MIDI_Cmd == 40:
           
           
            compstat = automationhat.analog.one.read()
            print("Dist Status ",diststat)          
            print(MIDI_Cmd,' received')
            if compstat>3:
                comp_tog()

       
#######END MIDI INTERFACE##############
           
Rverb = PushButton(app, text="VERB", align="left", padx=20, command=reverb_tog, width=5)
Slap = PushButton(app, text="SLAP", align="left", padx=20, command=slap_tog, width=5)
Dist = PushButton(app, text="DIST", align="left", padx=20, command=dist_tog, width=5)
Comp = PushButton(app, text="COMP", align="left", padx=20, command=comp_tog, width=5)


app.repeat(100, midiloop)



app.display()