Das deutsche Python-Forum

Code: Alles auswählen

 
        fobj = open("zahlen.txt", "r+")
        wert = int(fobj.read())
        fobj.write(str(wert + 1))
        print("Zahlen: ", fobj.read())
        #print("GPIO 3 Status von 1 auf 0 geändert!")
        time.sleep(0.5)
        fobj.close()

Code: Alles auswählen

FILENAME = "zahlen.txt"
...
with open(FILENAME, encoding="ASCII") as file:
    value = int(file.read())
value += 1
with open(FILENAME, mode="w", encoding="ASCII") as file:
    file.write(str(value))

Code: Alles auswählen

#!/usr/bin/env python3
from time import sleep

FILE = 'zahlen.txt'


def store_value(value, file):
    with open(file, 'w', encoding='utf-8') as f:
        print(value, file=f)


def get_value(file):
    with open(file, 'r', encoding='utf-8') as f:
        value = int(f.readline())
        return value 


def main():
    try:
        value = get_value(FILE)
    except FileNotFoundError:
        value = 0
    if value is not None:
        print('Zahl:', value)
        sleep(0.5)
        value += 1
        store_value(value, FILE)


if __name__ == '__main__':
    main()

Code: Alles auswählen

def get_value(FILENAME):
 with open(FILENAME, encoding="ASCII") as file:
    value = int(file.read())

    
def save_value(value, FILENAME):
    with open(FILENAME, mode="w", encoding="ASCII") as file:
        file.write(str(value))

while True:
    if GPIO.input(23) == 0:
    	#weiß leider noch nicht, wie ich "value" hochzähle. Bekomme hier immer einen FEhler.
        value = get_value("zahl.txt")
        save_value(value, "zahl.txt")
        print("Zahl: ", value)