31 lines
		
	
	
		
			925 B
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			31 lines
		
	
	
		
			925 B
		
	
	
	
		
			Python
		
	
	
	
from __future__ import annotations
 | 
						|
 | 
						|
import logging
 | 
						|
from typing import TYPE_CHECKING
 | 
						|
 | 
						|
from watchdog.utils import BaseThread
 | 
						|
 | 
						|
if TYPE_CHECKING:
 | 
						|
    import subprocess
 | 
						|
    from typing import Callable
 | 
						|
 | 
						|
logger = logging.getLogger(__name__)
 | 
						|
 | 
						|
 | 
						|
class ProcessWatcher(BaseThread):
 | 
						|
    def __init__(self, popen_obj: subprocess.Popen, process_termination_callback: Callable[[], None] | None) -> None:
 | 
						|
        super().__init__()
 | 
						|
        self.popen_obj = popen_obj
 | 
						|
        self.process_termination_callback = process_termination_callback
 | 
						|
 | 
						|
    def run(self) -> None:
 | 
						|
        while self.popen_obj.poll() is None:
 | 
						|
            if self.stopped_event.wait(timeout=0.1):
 | 
						|
                return
 | 
						|
 | 
						|
        try:
 | 
						|
            if not self.stopped_event.is_set() and self.process_termination_callback:
 | 
						|
                self.process_termination_callback()
 | 
						|
        except Exception:
 | 
						|
            logger.exception("Error calling process termination callback")
 |