Python使用定时调度任务的方式

import time
​
def task():
    print("Job Completed!")
​
 while 1:
    task()
    time.sleep(10)

import datetime
​
def task():
    print("Job Completed!")
​
 while 1:
    now = datetime.datetime.now()
    # schedule at every wednesday,7:45 pm
    if now.weekday == 3 and now.strftime("%H:%m") == "19:45":
        task()
    # sleep for 6 days
    time.sleep(6 * 24 * 60 * 60)

import time
import threading
​
def task():
    print("Job Completed!")
​
def schedule():
    while 1:
        task()
        time.sleep(10)
​
# makes our logic non blocking
thread = threading.Thread(target=schedule)
thread.start()

import schedule
import time
​
def task():
    print("Job Executing!")
​
# for every n minutes
schedule.every(10).minutes.do(task)
​
# every hour
schedule.every().hour.do(task)
​
# every daya at specific time
schedule.every().day.at("10:30").do(task)
​
# schedule by name of day
schedule.every().monday.do(task)
​
# name of day with time
schedule.every().wednesday.at("13:15").do(task)
​
while True:
    schedule.run_pending()
    time.sleep(1)

from crontab import CronTab
​
cron = CronTab(user='root')
​
job = cron.new(command='my_script.sh')
​
job.hour.every(1)
cron.write()

from rq_scheduler import Scheduler
​
queue = Queue('circle', connection=Redis())
scheduler = Scheduler(queue=queue)
​
scheduler.schedule(
    scheduled_time=datetime.utcnow(), # Time for first execution, in UTC timezone
    func=func,                     # Function to be queued
    args=[arg1, arg2],             # Arguments passed into function when executed
    kwargs={'foo': 'bar'},         # KeyWord arguments passed into function when executed
    interval=60,                   # Time before the function is called again, in seconds
    repeat=None,                     # Repeat this number of times (None means repeat forever)
    meta={'foo': 'bar'}            # Arbitrary pickleable data on the job itself
)