Question

每次尝试运行程序时，都会弹出一个窗口，提示“ Python意外退出”，但没有回溯。

import importlib.util
import sys
import PySimpleGUI as sg
import multiprocessing


next_task_id = 0

def generate_data(tasks):
    data = []
    for i,task in enumerate(tasks):
        name = task.name
        description = task.description
        timetoarchive = task.time_to_archive()
        task_id = task.task_id
        row = [name, description, timetoarchive, task_id]
        data.append(row)

    return data


def update_tasks(tasks):
    global next_task_id
    for i, task in enumerate(tasks):
        if task.stopped:
            tasks.pop(i)
        if not task.running:
            task.task_id = next_task_id
            next_task_id+=1
            task.start()


def import_task(path):
    spec = importlib.util.spec_from_file_location("task", path)
    foo = importlib.util.module_from_spec(spec)
    spec.loader.exec_module(foo)
    return foo.Task

def prompt_action(tasks):
    print("What would you like to do?")
    print('''
    (C)reate new task
    (K)ill running task
    (L)ist tasks
    (Q)uit
    ''')
    acted = False
    while not acted:
        choice = str(input()).lower()
        if choice == 'c':
            acted = True
            f = input('Enter path to file: ')
            task = import_task(f)()
            tasks.append(task)

        elif choice == 'k':
            acted = True

        elif choice == 'l':
            acted = True
            print('Name | TTA | ID')
            for task in tasks:
                print(f'{task.name} | {task.time_to_archive()} | {task.task_id}')
        elif choice == 'Q':
            acted = True
            sys.exit()
            print('exit')

        else:
            continue

if __name__=="__main__":
    tasks = []
    while True:
        prompt_action(tasks)
        update_tasks(tasks)

Task.py

import multiprocessing


class BaseTask:
    def __init__(self):
        self.name = 'Task'
        self.description = ''
        self.constant = False
        self.running = False
        self.stopped = False
        self.task_id = None

        self.tta = multiprocessing.Value('i', -3)
        self.STOP = multiprocessing.Value('i', 0)

    def time_to_archive(self):
        if self.constant:
            return "Constant"

        elif self.tta.value == -1:
            return "Updating"

        elif self.tta.value == -2:
            self.stopped = True
            return "Stopping"

        elif self.tta.value == -3:
            return "Starting"

        else:
            return self.tta.value

    def start(self):
        p = multiprocessing.Process(target=self.run, args=(self.tta, self.STOP))
        self.p = p
        self.p.daemon = True
        self.p.start()
        self.running = True

    def stop(self):
        self.STOP.value = 1

MCBackup.py

import requests
import datetime
import os
import time

from pytz import timezone
from Task import BaseTask

class Task(BaseTask):
    def __init__(self):
        super(Task, self).__init__()

    def run(self, tta, STOP):
        try:
            url = 'http://18.225.13.246/backup'
            tz = timezone('EST')

            def backup(url):
                r = requests.get(url)
                ctime = datetime.datetime.now(tz).strftime("%Y%m%d-%H%M%S")
                path = os.path.join('backups', f'{ctime}-world.zip')
                open(path, 'wb').write(r.content)

            while STOP.value == 0:
                # print(f'NOT STOPPED, {self.task_id}')
                backuptime = datetime.datetime.now()
                print('backing up')
                tta.value = -1
                backup(url)
                print('SUCCESSFULLY BACKED UP WORLD')
                waited = False
                towait = 30
                prevwait = 30
                while (not waited):
                    if STOP.value != 0:
                        break
                    newtime = datetime.datetime.now()
                    minsincebackup = (newtime - backuptime).seconds//60
                    te = minsincebackup == prevwait
                    if not te:
                        prevwait = minsincebackup
                        tta.value = (towait - minsincebackup)
                        # print(STOP.value)

                    if minsincebackup >= towait:
                        waited = True
            # print(f'STOPPED {self.task_id}')
            tta.value = -2
            return 0
        except Exception as e:
            print(e)

if __name__ == '__main__':
    t = Task()
    t.start()
    prevtta = -1
    while True:
        tim = t.time_to_archive()
        if tim != prevtta:
            print(f'Next backup in {tim} minutes')
            prevtta = tim
        time.sleep(1)

我只需运行cli_manager.py，输入“ c”，然后输入“ MCBackup.py”。没有回溯，只有一个对话说“ Python意外退出”。我完全不知道该如何调试它。任何帮助将不胜感激。

我正在运行最新版本的macOS Mojave和Python 3.7

我认为问题出在请求模块上，因为当我将其注释掉时，程序可以完美运行。难道是我在multiprocessing.process中使用request.get吗？

Python 3.7'Python意外退出'

0 个答案: