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import sys
import os
import subprocess
import signal
from subprocess import PIPE, STDOUT
class Popen(subprocess.Popen):
def send_signal(self, sig):
if sys.platform == 'win32':
sig = signal.SIGTERM
if hasattr(subprocess.Popen, 'send_signal'):
try:
return subprocess.Popen.send_signal(self, sig)
except Exception, ex:
sys.stderr.write('send_signal(%s, %s) failed: %s\n' % (self.pid, sig, ex))
self.external_kill(str(ex))
else:
if hasattr(os, 'kill'):
sys.stderr.write('Sending signal %s to %s\n' % (sig, self.pid))
try:
os.kill(self.pid, sig)
except Exception, ex:
sys.stderr.write('Error while killing %s: %s\n' % (self.pid, ex))
self.external_kill()
else:
self.external_kill()
if not hasattr(subprocess.Popen, 'kill'):
def kill(self):
return self.send_signal(getattr(signal, 'SIGTERM', 15))
if not hasattr(subprocess.Popen, 'terminate'):
def terminate(self):
return self.send_signal(getattr(signal, 'SIGTERM', 9))
def interrupt(self):
sig = getattr(signal, 'SIGINT', 2)
return self.send_signal(sig)
def external_kill(self, reason=''):
if sys.platform == 'win32':
sys.stderr.write('Killing %s: %s\n' % (self.pid, reason))
os.system('taskkill /f /pid %s' % self.pid)
else:
sys.stderr.write('Cannot kill on this platform. Please kill %s\n' % self.pid)
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