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CBAPKA

python4delphi How to stop inifinity script

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Posted (edited)

Greetings, I have several pieces of Python code that checks one condition in a loop, if it is met, it outputs Print, if not waits 5 seconds and checks again, and so on endlessly. How do I stop the script using delphi? Can I somehow send ctrl+c or something like that there. The answer from Demo33 did not fit

 

v - 3.12.dll

Edited by CBAPKA

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import time

while True:
  print('something')
  timer.sleep(5)
  
#need to stop it

 

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from delphi side provide a py module and in run-time create an  instance of class which holds "Terminated" property (and you able to get/set), and set it as variable for module. Then in python you can run infinite loop so long as needed:

from DelphiModule import RuntimeVar
from time import sleep
from pyio import write as print

def run():
  while not RuntimeVar.Terminated:
    print('Wauting for something')
    sleep(1) #1 second sleep
  else:
    print('infinite loop ended by delphi side')

run()

until host app not set Terminated to true yet.

Due to that design, your python code should run in thread. 

 

Edited by AlexanderMi

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