Mimic java and dump all threads stacktrace when CRTL + \ is pressed

thread_dumps.py

import functools
import signal
import sys
import time
import traceback
import threading

lock = threading.Lock()


def _dump_data():
    with lock:
        sys_err = open('/dev/stderr', 'w')
        log = functools.partial(print, file=sys_err, flush=True)
        threads = {thread.ident: thread for thread in threading.enumerate()}
        for ident, frame in sys._current_frames().items():
            log('=' * 80)
            log('Thead', threads[ident].name, ident)
            log(''.join(traceback.format_stack(frame)))
            log('=' * 80, '\n\n\n')


def dump_data(*args, **kwargs):
    threading.Thread(target=_dump_data).start()


signal.signal(signal.SIGQUIT, dump_data)

while True:
    time.sleep(1)