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Viewing: cldebug.py

# -*- 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

User / IP	: 216.73.216.49
Host / Server	: 146.88.233.70 / www.dev.loger.cm
System	: Linux hybrid1120.fr.ns.planethoster.net 3.10.0-957.21.2.el7.x86_64 #1 SMP Wed Jun 5 14:26:44 UTC 2019 x86_64