env Category

The nature of Async

The nature of Async is an Event Loop.

The result is a coroutine object after invoke a async function. The function can only be executed after becoming a task.

Basic 1

import asyncio
import time

async def say_after(delay, what):
  await asyncio.sleep(delay)
  return f"{what} - {delay}"

async def main():
  print(f"started at {time.strftime('%X')}")

  await say_after(1, "hello")
  await say_after(2, "world")

  print(f"finished at {time.strftime('%X')}")

asyncio.run(main())

HaiyueJuly 10, 2024Less than 1 minute

Environment

environ-python

# load environment file
environ.Env.read_env(str(ENV_FILENAME))

# read environment variable
env = environ.Env()
# Load the values in the env file if it exists
env('ENV_FILENAME', default='local.env')

HaiyueDecember 3, 2023About 1 min