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How to use handle_sigterm method in Slash

Best Python code snippet using slash

command.py

Source:command.py

...28class AbortException(Exception):29  """Indicates early abort on SIGINT, SIGTERM or internal hard timeout."""30  pass31@contextmanager32def handle_sigterm(process, abort_fun, enabled):33  """Call`abort_fun` on sigterm and restore previous handler to prevent34  erroneous termination of an already terminated process.35  Args:36    process: The process to terminate.37    abort_fun: Function taking two parameters: the process to terminate and38        an array with a boolean for storing if an abort occured.39    enabled: If False, this wrapper will be a no-op.40  """41  # Variable to communicate with the signal handler.42  abort_occured = [False]43  def handler(signum, frame):44    abort_fun(process, abort_occured)45  if enabled:46    previous = signal.signal(signal.SIGTERM, handler)47  try:48    yield49  finally:50    if enabled:51      signal.signal(signal.SIGTERM, previous)52  if abort_occured[0]:53    raise AbortException()54class BaseCommand(object):55  def __init__(self, shell, args=None, cmd_prefix=None, timeout=60, env=None,56               verbose=False, resources_func=None, handle_sigterm=False):57    """Initialize the command.58    Args:59      shell: The name of the executable (e.g. d8).60      args: List of args to pass to the executable.61      cmd_prefix: Prefix of command (e.g. a wrapper script).62      timeout: Timeout in seconds.63      env: Environment dict for execution.64      verbose: Print additional output.65      resources_func: Callable, returning all test files needed by this command.66      handle_sigterm: Flag indicating if SIGTERM will be used to terminate the67          underlying process. Should not be used from the main thread, e.g. when68          using a command to list tests.69    """70    assert(timeout > 0)71    self.shell = shell72    self.args = args or []73    self.cmd_prefix = cmd_prefix or []74    self.timeout = timeout75    self.env = env or {}76    self.verbose = verbose77    self.handle_sigterm = handle_sigterm78  def execute(self):79    if self.verbose:80      print('# %s' % self)81    process = self._start_process()82    with handle_sigterm(process, self._abort, self.handle_sigterm):83      # Variable to communicate with the timer.84      timeout_occured = [False]85      timer = threading.Timer(86          self.timeout, self._abort, [process, timeout_occured])87      timer.start()88      start_time = time.time()89      stdout, stderr = process.communicate()90      duration = time.time() - start_time91      timer.cancel()92    return output.Output(93      process.returncode,94      timeout_occured[0],95      stdout.decode('utf-8', 'replace').encode('utf-8'),96      stderr.decode('utf-8', 'replace').encode('utf-8'),...

main.py

Source:main.py

...4from signal import signal, SIGTERM, SIGINT5def main():6    listener = RabbitListener(SkService())7    listener.run()8    def handle_sigterm(*_):9        print("Shutdown signal received")10        listener.close()11        print("Shutdown gracefully")12    signal(SIGTERM, handle_sigterm)13    signal(SIGINT, handle_sigterm)14    try:15        listener.close()16    except KeyboardInterrupt:17        handle_sigterm()18if __name__ == '__main__':19    DI()...

sigterm.py

Source:sigterm.py

...5    Used to exit quickly from docker containers6    https://lemanchet.fr/articles/gracefully-stop-python-docker-container.html7    """8    import signal9    def handle_sigterm(*args):10        raise KeyboardInterrupt()
...

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