How do i schedule a program in python

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I want a program that makes my main program run twice a week...i tried using crontab, but i couldn't make it work as i'm programming on windows (and it results difficult) and i want the program to run on windows

My main program doesn't do anything crazy, just checks an excel file and gives you some information in tkinter window

I also read about task scheduler in windows, but i want to freely edit or delete the scheduled event within the program... any help ?

There is a easy way to do that my dear friend! First you should install a virtual machine with linux OS on your computer(use virtualbox and vmware). You can just use linux crontab!

cronb -e

and use your favourite editor, and write this line

0 8 * * 3,7 python /path/to/dir/test.py

and your code will be executed at 08:00 on Wednesday and Sunday.

Python, well thought and well explained computer science and programming articles, Schedule is in-process scheduler for periodic jobs that use the builder pattern for Schedule lets you run Python functions (or any other callable) periodically at  Start with S1, assign him the three people he wants at 9am, then go to S2 and try to schedule his meeting at 9am. Continue until you have a conflict, then move that meeting to 10am. Return to 9am for the next one.

You can use the Task Scheduler API to programmatically create a scheduled task. Some example: https://ziade.org/2007/11/01/scheduling-tasks-in-windows-with-pywin32/

If you don't want to make pywin32 a dependency for this project, you may be able to get by simpler scheduling with calling schtask.exe using the subprocess library.

How do i schedule a program in python, There is a easy way to do that my dear friend! First you should install a virtual machine with linux OS on your computer(use virtualbox and  Python job scheduling for humans. An in-process scheduler for periodic jobs that uses the builder pattern for configuration. Schedule lets you run Python functions (or any other callable) periodically at pre-determined intervals using a simple, human-friendly syntax.

Use Croniter to solve. It worked on Linux. Try it on windows.

from datetime import datetime, timedelta   #for Scheduler
import time
from croniter import croniter

# Class for Scheduling
class schedule_fun():
    def starter(self):
        nextRunTime = self.getNextCronRunTime(schedule)
        while True:
             roundedDownTime = self.roundDownTime()
             if (roundedDownTime == nextRunTime):
                 global timestamp
                 timestamp = datetime.now().strftime("%B %d %Y, %H:%M:%S")
                 #For setting variables with values
                 print ("Hi, I am Steven")
                 nextRunTime = self.getNextCronRunTime(schedule)
             elif (roundedDownTime > nextRunTime):
                 print("error")

                 # We missed an execution. Error. Re initialize.
                 nextRunTime = self.getNextCronRunTime(schedule)
             self.sleepTillTopOfNextMinute()
    # Round time down to the top of the previous minute
    def roundDownTime(self,dt=None, dateDelta=timedelta(minutes=1)):
        roundTo = dateDelta.total_seconds()
        if dt == None : dt = datetime.now()
        seconds = (dt - dt.min).seconds
        rounding = (seconds+roundTo/2) // roundTo * roundTo
        return dt + timedelta(0,rounding-seconds,-dt.microsecond)
    # Get next run time from now, based on schedule specified by cron string
    def getNextCronRunTime(self,schedule):
        return croniter(schedule, datetime.now()).get_next(datetime)
    # Sleep till the top of the next minute
    def sleepTillTopOfNextMinute(self):
        t = datetime.utcnow()
        sleeptime = 60 - (t.second + t.microsecond/1000000.0)
        time.sleep(sleeptime)

# Program starts here!!!!
if __name__ == '__main__':
    schedule =  '*/1 * * * *'
    scl = schedule_fun()
    scl.starter()

Scheduling a Python script or model to run at a prescribed time, How do I run a Python script at a specific time? Steps to Schedule Python Script using Windows Scheduler. Step-1: Prepare the Python Script. In our example, I’ll use the tkinter module to display the label of ‘Hello World!.’. Alternatively, you may use any Python script that you’d like to schedule.

Apache airflow will do the job

Each DAG may or may not have a schedule, which informs how DAG Runs are created. schedule_interval is defined as a DAG arguments, and receives preferably a cron expression as a str, or a datetime.timedelta object. Alternatively, you can also use one of these cron "preset"

sched — Event scheduler, Run the Python executable with arguments. To ensure that your Python script will run regardless of the login account that the schedule task uses,  Schedule lets you run Python functions (or any other callable) periodically at pre-determined intervals using a simple, human-friendly syntax. Schedule Library is used to schedule a task at a particular time every day or a particular day of a week. We can also set time in 24 hours format that when a task should run.

8.8. sched — Event scheduler, sched — Event scheduler¶. Source code: Lib/sched.py The scheduler class defines a generic interface to scheduling events. It needs two functions to actually​  Calendar module in Python has the calendar class that allows the calculations for various task based on date, month, and year. On top of it, the TextCalendar and HTMLCalendar class in Python allows you to edit the calendar and use as per your requirement. Let see what we can do with Python Calendar. Step1) Run the code.

schedule · PyPI, Event scheduler¶. Source code: Lib/sched.py The scheduler class defines a generic interface to scheduling events. It needs two functions  Python schedule.every() Examples. The following are code examples for showing how to use schedule.every(). They are extracted from open source Python projects. You can vote up the examples you like or vote down the ones you don't like. You can also save this page to your account.

A Simple Scheduler in Python - DEV, Python job scheduling for humans. An in-process scheduler for periodic jobs that uses the builder pattern for configuration. Schedule lets you run Python  schedule¶. Python job scheduling for humans. An in-process scheduler for periodic jobs that uses the builder pattern for configuration. Schedule lets you run Python functions (or any other callable) periodically at pre-determined intervals using a simple, human-friendly syntax.

Comments
  • Why don't you add your program to Windows' task scheduler?
  • As I said, i cant control it within the program...
  • If you suggest to use a 3rd-party tool for something that's built into the OS already, at least make sure that it actually meets the asker's needs. Doesn't read like airflow offers a preset to run a job twice a week.
  • @IInspectable schedule_intervale receives datetime.timedelta object so I don't see why you could not run the job twice a week ...