python async await
import asyncio
async def print_B(): #Simple async def
print("B")
async def main_def():
print("A")
await asyncio.gather(print_B())
print("C")
asyncio.run(main_def())
# The function you wait for must include async
# The function you use await must include async
# The function you use await must run by asyncio.run(THE_FUNC())python async await
import asyncio
from PIL import Image
import urllib.request as urllib2
async def getPic(): #Proof of async def
pic = Image.open(urllib2.urlopen("https://c.files.bbci.co.uk/E9DF/production/_96317895_gettyimages-164067218.jpg"))
return pic
async def main_def():
print("A")
print("Must await before get pic0...")
pic0 = await asyncio.gather(getPic())
print(pic0)
asyncio.run(main_def())async django
#pip install django-background-tasks
from background_task import background
# schedule = 60 second * 5 : Task will perform after 300 second
@background(schedule=60*5)
def send_html_mail_post(id, template):
u = User.objects.get(id=id)
user_email = u.email
subject = "anything"
html_content = template.format(arguments)
from_email, to = from_email, user_email
text_content = ''
msg = EmailMultiAlternatives(subject, text_content, from_email, [to])
msg.attach_alternative(html_content, "text/html")
msg.send()
send_html_mail(1,'Hello this is the test email')Copyright © 2021 Codeinu
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