# -*- coding: utf-8 -*- # Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2018 All Rights Reserved # # Licensed under CLOUD LINUX LICENSE AGREEMENT # http://cloudlinux.com/docs/LICENSE.TXT # # source code # http://stackoverflow.com/questions/132058/showing-the-stack-trace-from-a-running-python-application import code import traceback import signal def debug(sig, frame): """ Interrupt running process, and provide a python prompt for interactive debugging. """ d = {'_frame': frame} # Allow access to frame object d.update(frame.f_globals) # Unless shadowed by global d.update(frame.f_locals) i = code.InteractiveConsole(d) message = "Signal recieved : entering python shell.\nTraceback:\n" message += ''.join(traceback.format_stack(frame)) i.interact(message) def listen(): signal.signal(signal.SIGUSR1, debug) # Register handler