apscheduler

python定时框架之Apscheduler的基本使用

半世苍凉 提交于 2020-08-17 17:30:46
使用步骤 第一步:安装 pip install Apscheduler 第二步:导入包 import apscheduler 使用样例 基于时间的定时代码demo import os from apscheduler.schedulers.blocking import BlockingScheduler def hello(): print('hello world') if __name__ == "__main__": scheduler = BlockingScheduler() # 注意这里是函数名称,并非函数执行 scheduler.add_job(hello, trigger='cron', hour=0, minute=0) try: scheduler.start() except Exception: pass 基于时间间隔的定时代码demo # 时间间隔 scheduler.add_job(job, 'interval', seconds=500) # 定时 scheduler.add_job(func=job, trigger='cron', month='*', day='*', hour='*', minute='*') scheduler.add_job(job, 'interval', hours=3, start_date='2020-01-01

Why does the ProcessPoolExecutor ignore the max_workers argument?

给你一囗甜甜゛ 提交于 2020-08-10 08:39:04
问题 I expected that a apscheduler.executors.pool.ProcessPoolExecutor with the max_workers argument set to 1, would not execute more than one job in parallel. import subprocess from apscheduler.executors.pool import ProcessPoolExecutor from apscheduler.schedulers.blocking import BlockingScheduler def run_job(): subprocess.check_call('echo start; sleep 3; echo done', shell=True) scheduler = BlockingScheduler( executors={'processpool': ProcessPoolExecutor(max_workers=1)}) for i in range(20):

通过Python扫描代码关键字并进行预警

空扰寡人 提交于 2020-08-09 11:03:04
近期线上出现一个bug,研发的小伙伴把测试环境的地址写死到代码中,在上线前忘记修改,导致线上发布的代码中使用了测试环境地址。 开发过程中虽然有各种规范制度,但是难免有粗心,与其责备不如通过技术手段将问题进行避免。 为了达到上述需求,初步想通过以下步骤来实现代码关键字自动扫描告警。 Python安装 Git安装 GitPython安装 定时任务配置(方案一:crontab 方案二:APScheduler) git代码获取 关键词扫描 邮件告警 #安装python的依赖包 yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz- devel libffi-devel gcc #下载Python安装包,版本号:Python-3.7.1.tgz(在/ opt下创建目录Python3) wget https://www.python.org/ftp/python/3.7.1/Python-3.7.1.tgz #解压安装包 tar -zxvf Python-3.8.1.tgz #指定python3安装目录 ./configure --prefix=/usr/local

Windows 10 run python program in startup

若如初见. 提交于 2020-06-26 04:05:21
问题 I have written a python program that periodically runs with ApScheduler package. The .pyw file runs in the background, but when I restart the PC the program doesn't continue running. What can I do to run a code automatically in startup a windows 10 pc? 回答1: You should consider putting your python file to the Startup folder. Click Win+R at the same time on your keyboard Type shell:startup Drag and drop your python file onto the folder that opened. Note: I reccomend to put a shortcut of your

ISSUES Defining Cron jobs in Procfile (Heroku) using apscheduler for Django project

人盡茶涼 提交于 2020-05-27 05:11:08
问题 I am having a problem scheduling a cron job which requires scraping a website and storing it as part of the model (MOVIE) in the database. The problem is that the model seems to get loaded before Procfile is executed. How should I create a cron job which runs internally in the background and storing scraped information into the database? Here are my codes: Procfile: web: python manage.py runserver 0.0.0.0:$PORT scheduler: python cinemas/scheduler.py scheduler.py: # More code above from

How to await a coroutine with an event loop

喜夏-厌秋 提交于 2020-05-14 03:28:39
问题 I have a coroutine that has an event loop. How should I await that coroutine? I am using Python 3.7.3. # The coroutine async def main(): # # This code written using apscheduler.schedulers.asyncio.AsyncIOScheduler # which has its *event loop* to run scheduled tasks # # However, this code will await another coroutine, e.g., # redis = await aioredis.create_redis('/tmp/redis.sock') try: asyncio.get_event_loop().run_forever() except: pass if __name__ == '__main__': asyncio.run(main()) The code

Python实战:病毒困我于斗室,桌面带我去旅行

吃可爱长大的小学妹 提交于 2020-04-05 18:52:24
文章目录 1. 用Python设置Windows壁纸 2. 随机切换Windows壁纸 3. 定时切换Windows壁纸 近代史上,每一个庚子年都不寻常:1840年鸦片战争,1900年八国联军侵华,1960年大饥荒。2020年的这个春节,一场突如其来的新型冠状病毒疫情横扫东亚,大有席卷全球之势。这场无妄之灾,使得很多人放弃了聚会和旅行的计划,大家不得不蜗居于斗室。但是,病毒再猖狂,也无法阻止程序员对于美好的生活的向往。今天,我来教大家用Python做一个壁纸切换工具,展示以前旅行的照片,让桌面带我们去周游世界! 1. 用Python设置Windows壁纸 设置Windnows壁纸,需要修改Windows注册表,用Python操作Windows注册表,一般使用Pywin32模块。该模块包装了几乎所有的Windows API,可以方便地从Python直接调用。Pywin32允许你像VC一样的形式来使用Python开发win32应用,代码风格可以类似win32 sdk,也可以类似MFC,由你选择。安装Pywin32模块,可以使用如下命令直接安装,也可以从 Python模块仓库 下载whl文件在本地安装。 python -m pip install pywin32 用Python设置Windows壁纸,分为5步,核心代码只有5行: import win32api import

Pyinstaller 3.3.1 & 3.4.0-dev build with apscheduler

。_饼干妹妹 提交于 2020-03-21 11:42:36
问题 Greeting! I'm trying to make a build using PyInstaller. Config: Python 3.6.5 pip 10.0.1 , OS: Ubuntu 18.04 . Using virtualenv (also tried with python -m venv ). My app using an apscheduler , websocket , _thread and it seems like some related modules have import problems. Tried pyinstaller --onefile mymain.spec & pyinstaller --onedir mymain.spec . Problem persists in both cases. Program working without errors if not frozen. here is the error i'm getting if i try to run the generated executable

No module named 'apscheduler.schedulers'

℡╲_俬逩灬. 提交于 2020-02-25 23:30:21
关于 ModuleNotFoundError: No module named 'apscheduler.schedulers' 和 ModuleNotFoundError: No module named 'apscheduler' 的问题,网上有不少解决。大多数都是因为, 文件起名与模块名同名 引起的。那种,改自己文件名就好。 但我不是这这种情况。而是模块里面根本没有这引用。 这种主要原因是 apscheduler版本不对导致 的。 (PS, python3.7.5的模块里自带了apscheduler,但那是2.x版本的,我们需要升级 ) (还是说直接pip是2.x版本?我就不知道了) 正确的解决方案是 pip uninstall apscheduler pip install apscheduler==3.6.1 当然也可以直接升级该模块。 来源: oschina 链接: https://my.oschina.net/jacky326/blog/3161163

flask_apscheduler 封装应用

安稳与你 提交于 2020-02-21 18:13:02
flask_apscheduler 封装应用 一、 常规初始化 # extensions.py from flask_apscheduler import APScheduler scheduler = APScheduler ( ) # app.py import atexit import fcntl import pathlib from flask import Flask from . . extensions import scheduler from lib . schedulers . scheduler import SchedulerInitialization _default_instance_path = pathlib . Path ( __file__ ) . parents [ 0 ] . joinpath ( 'instance' ) def create_app ( ) : app = Flask ( __name__ , instance_relative_config = True , instance_path = _default_instance_path ) app . secret_key = 'A0r98j/3X-^R~H!j#_mN]L@*W/,?T' configure_scheduler ( app ) return app