#!/usr/bin/env python3
# encoding=utf-8
"""
filename: debug_test.py
description: debug a running process
License: GPL V2
Author: 天使de眼睛

除特别声明，所有代码均是 python3.6 在 iOS 环境下编写测试。
"""
#!/usr/bin/env python
# -*- encoding: utf-8 -*-
import code
import traceback
import signal
import time
import os
import random

def debug(sig, frame):
    df={'_frame':frame} # 把 frame 放在一个字典下
    df.update(frame.f_globals)  # 把globals直接放入字典
    df.update(frame.f_locals) # locals 放入字典

    interactive = code.InteractiveConsole(df)
    message  = "调试吧:\nTraceback:\n"
    message += ''.join(traceback.format_stack(frame))
    interactive.interact(message)

def trigger():
    signal.signal(signal.SIGTERM, debug)

def test():
    while True:
        int_a = random.randint(1, 1000)
        int_b = random.randint(1, 1000)
        result = int_a + int_b
        time.sleep(1)

def main():
    print("start main")
    trigger()
    test()

def x():
    print("enter thread")
    time.sleep(0.2)
    for i in range(1,6):
        print('sleep :', i)
        time.sleep(1)
    print("try to send kill signal")
    print()
    time.sleep(0.2)
    os.kill(os.getpid(), signal.SIGTERM)
    print("killed")

if __name__ == '__main__':
    print("pid", os.getpid())
    import threading
    t = threading.Thread(target=x)
    t.start()
    time.sleep(0.1)
    main()
    t.join()