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1

I have a function that will compute something then put it on a PDF. However, this process takes time. Because of this, we implement stop button for the user to stop the process.

I tried using thread.Event(), but the function I am working with is a non-looping function. This means that, I can't regularly check if event is set. (Hard coding the application by simply putting multiple checker will do but nope -- that idea is not accepted).

def generate_data(self, event):
 self.thread = threading.Thread(target=self.check_event)
 self.thread.start()
 ... 

def check_event(self):
 while True:
 if self.event.is_set():
 self.controller.enable_run_btn_and_tab()
 return
 time.sleep(1)

My idea is to create another thread that will regularly check if event is set so I can return and exit the function. However, the above code for def check_event(self) will only exit the child thread, not the thread for generate_date(self).

Is there some code or modification in my code to stop the main thread using child thread?

python-3.x multithreading

share|improve this question

edited Mar 28 at 11:11

dirn

11.9k33 gold badges3939 silver badges5252 bronze badges

asked Mar 27 at 8:33

Arci Jeirico MalabananArci Jeirico Malabanan

9177 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Possible duplicate of Stop all threads using threading.Event()
  
  – user4815162342
  Mar 28 at 5:59
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  If you don't have control over your work function, isolate it in a subprocess, which can be killed.
  
  – Dima Tisnek
  Mar 28 at 6:50
  

  
  
  
  

add a comment | 

1

I have a function that will compute something then put it on a PDF. However, this process takes time. Because of this, we implement stop button for the user to stop the process.

I tried using thread.Event(), but the function I am working with is a non-looping function. This means that, I can't regularly check if event is set. (Hard coding the application by simply putting multiple checker will do but nope -- that idea is not accepted).

def generate_data(self, event):
 self.thread = threading.Thread(target=self.check_event)
 self.thread.start()
 ... 

def check_event(self):
 while True:
 if self.event.is_set():
 self.controller.enable_run_btn_and_tab()
 return
 time.sleep(1)

My idea is to create another thread that will regularly check if event is set so I can return and exit the function. However, the above code for def check_event(self) will only exit the child thread, not the thread for generate_date(self).

Is there some code or modification in my code to stop the main thread using child thread?

python-3.x multithreading

share|improve this question

edited Mar 28 at 11:11

dirn

11.9k33 gold badges3939 silver badges5252 bronze badges

asked Mar 27 at 8:33

Arci Jeirico MalabananArci Jeirico Malabanan

9177 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Possible duplicate of Stop all threads using threading.Event()
  
  – user4815162342
  Mar 28 at 5:59
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  If you don't have control over your work function, isolate it in a subprocess, which can be killed.
  
  – Dima Tisnek
  Mar 28 at 6:50
  

  
  
  
  

add a comment | 

I have a function that will compute something then put it on a PDF. However, this process takes time. Because of this, we implement stop button for the user to stop the process.

I tried using thread.Event(), but the function I am working with is a non-looping function. This means that, I can't regularly check if event is set. (Hard coding the application by simply putting multiple checker will do but nope -- that idea is not accepted).

def generate_data(self, event):
 self.thread = threading.Thread(target=self.check_event)
 self.thread.start()
 ... 

def check_event(self):
 while True:
 if self.event.is_set():
 self.controller.enable_run_btn_and_tab()
 return
 time.sleep(1)

My idea is to create another thread that will regularly check if event is set so I can return and exit the function. However, the above code for def check_event(self) will only exit the child thread, not the thread for generate_date(self).

Is there some code or modification in my code to stop the main thread using child thread?

python-3.x multithreading

share|improve this question

edited Mar 28 at 11:11

dirn

11.9k33 gold badges3939 silver badges5252 bronze badges

asked Mar 27 at 8:33

Arci Jeirico MalabananArci Jeirico Malabanan

9177 bronze badges

def generate_data(self, event):
 self.thread = threading.Thread(target=self.check_event)
 self.thread.start()
 ... 

def check_event(self):
 while True:
 if self.event.is_set():
 self.controller.enable_run_btn_and_tab()
 return
 time.sleep(1)

share|improve this question

edited Mar 28 at 11:11

dirn

11.9k33 gold badges3939 silver badges5252 bronze badges

asked Mar 27 at 8:33

Arci Jeirico MalabananArci Jeirico Malabanan

9177 bronze badges

share|improve this question

edited Mar 28 at 11:11

dirn

11.9k33 gold badges3939 silver badges5252 bronze badges

asked Mar 27 at 8:33

Arci Jeirico MalabananArci Jeirico Malabanan

9177 bronze badges

edited Mar 28 at 11:11

dirn

11.9k33 gold badges3939 silver badges5252 bronze badges

edited Mar 28 at 11:11

dirn

11.9k33 gold badges3939 silver badges5252 bronze badges

asked Mar 27 at 8:33

Arci Jeirico MalabananArci Jeirico Malabanan

9177 bronze badges

asked Mar 27 at 8:33

Arci Jeirico MalabananArci Jeirico Malabanan

9177 bronze badges