U can use sched (Python Built-In Library), but this so simple. therefore we will use APScheduler.
Tutorials : https://apscheduler.readthedocs.io/en/3.x/userguide.html
1. Installation
(BlogVenv) C:\Work\Software\eclipse-jee-2019-12-R-win32-x86_64\workspace\blog.daonelab.com>pip list
Package Version
-------------------- ----------
asgiref 3.2.3
certifi 2019.11.28
chardet 3.0.4
defusedxml 0.6.0
Django 3.0.6
django-allauth 0.41.0
django-debug-toolbar 2.2
django-disqus 0.5
django-js-asset 1.2.2
django-mptt 0.11.0
django-tagging 0.5.0
idna 2.9
mock 3.0.5
oauthlib 3.1.0
Pillow 7.0.0
pip 22.2.2
psycopg2-binary 2.9.3
python3-openid 3.1.0
pytz 2019.3
requests 2.23.0
requests-oauthlib 1.3.0
setuptools 56.0.0
six 1.14.0
sqlparse 0.3.0
urllib3 1.25.8
wheel 0.36.2
(BlogVenv) C:\Work\Software\eclipse-jee-2019-12-R-win32-x86_64\workspace\blog.daonelab.com>pip install apscheduler
Collecting apscheduler
Downloading APScheduler-3.9.1-py2.py3-none-any.whl (59 kB)
---------------------------------------- 59.5/59.5 kB ? eta 0:00:00
Requirement already satisfied: setuptools>=0.7 in c:\work\software\eclipse-jee-2019-12-r-win32-x86_64\workspace\blog.daonelab.com\blogvenv\lib\site-packages (from apscheduler) (56.0.0)
Collecting tzlocal!=3.*,>=2.0
Downloading tzlocal-4.2-py3-none-any.whl (19 kB)
Requirement already satisfied: pytz in c:\work\software\eclipse-jee-2019-12-r-win32-x86_64\workspace\blog.daonelab.com\blogvenv\lib\site-packages (from apscheduler) (2019.3)
Requirement already satisfied: six>=1.4.0 in c:\work\software\eclipse-jee-2019-12-r-win32-x86_64\workspace\blog.daonelab.com\blogvenv\lib\site-packages (from apscheduler) (1.14.0)
Collecting backports.zoneinfo
Downloading backports.zoneinfo-0.2.1-cp37-cp37m-win_amd64.whl (38 kB)
Collecting tzdata
Downloading tzdata-2022.2-py2.py3-none-any.whl (336 kB)
---------------------------------------- 336.4/336.4 kB 21.7 MB/s eta 0:00:00
Collecting pytz-deprecation-shim
Downloading pytz_deprecation_shim-0.1.0.post0-py2.py3-none-any.whl (15 kB)
Installing collected packages: tzdata, backports.zoneinfo, pytz-deprecation-shim, tzlocal, apscheduler
Successfully installed apscheduler-3.9.1 backports.zoneinfo-0.2.1 pytz-deprecation-shim-0.1.0.post0 tzdata-2022.2 tzlocal-4.2
(BlogVenv) C:\Work\Software\eclipse-jee-2019-12-R-win32-x86_64\workspace\blog.daonelab.com>pip list
Package Version
--------------------- -----------
APScheduler 3.9.1 # added
asgiref 3.2.3
backports.zoneinfo 0.2.1 # added
certifi 2019.11.28
chardet 3.0.4
defusedxml 0.6.0
Django 3.0.6
django-allauth 0.41.0
django-debug-toolbar 2.2
django-disqus 0.5
django-js-asset 1.2.2
django-mptt 0.11.0
django-tagging 0.5.0
idna 2.9
mock 3.0.5
oauthlib 3.1.0
Pillow 7.0.0
pip 22.2.2
psycopg2-binary 2.9.3
python3-openid 3.1.0
pytz 2019.3
pytz-deprecation-shim 0.1.0.post0 # added
requests 2.23.0
requests-oauthlib 1.3.0
setuptools 56.0.0
six 1.14.0
sqlparse 0.3.0
tzdata 2022.2 # added
tzlocal 4.2 # added
urllib3 1.25.8
wheel 0.36.2
2. Don't need add module name in INSTALLED_APPS of settings.py. even no makemigrations & migrate.
3. Create job App
(BlogVenv) C:\Work\Software\eclipse-jee-2019-12-R-win32-x86_64\workspace\blog.daonelab.com>python manage.py startapp job
4. settings.py
INSTALLED_APPS = [
...
'job.apps.JobConfig',
...
]
5. job/views.py
from django.shortcuts import render
from apscheduler.schedulers.background import BackgroundScheduler
# Create your views here.
class Job():
@staticmethod
def start():
def task():
print("called Job!!")
scheduler = BackgroundScheduler()
scheduler.add_job(task, "interval", seconds=5)
scheduler.start()same blow script
from django.shortcuts import render
from apscheduler.schedulers.background import BackgroundScheduler
# Create your views here.
class Job():
@staticmethod
def start():
scheduler = BackgroundScheduler()
@scheduler.scheduled_job("interval", seconds=5)
def task():
print("called Job!!")
scheduler.start()
6. job/apps.py
from django.apps import AppConfig
class JobConfig(AppConfig):
name = "job"
def ready(self):
from job.views import Job
Job.start()
7. Run server
..
called Job!!
called Job!!
called Job!!
called Job!!
called Job!!
...