Create asynchronous tasks from Python functions
Project description
ICIJ's async worker library
Installation
pip install icij-worker
Usage
Create an async app and register tasks
Create asynchronous task tailored for long running Python functions:
Given the following pure Python function inside the app.py
module:
def long_running_task(greeted: str) -> str:
greeting = f"Hello {greeted} !"
return greeting
decorate your function with ICIJApp
class and register a new task:
my_app = ICIJApp(name="my_app")
@my_app.task
def long_running_task(greeted: str) -> str:
greeting = f"Hello {greeted} !"
return greeting
this will register the long_running_task
function under the long_running_task
task name.
Optionally add progress handlers for a better task monitoring:
@my_app.task
def long_running_task(greeted: str, progress_handler: Callable[[float], None]) -> str:
progress_handler(0.0)
greeting = f"Hello {greeted} !"
progress_handler(100.0)
return greeting
Launch a async worker pool
Start a worker pool using:
icij-worker workers start "app.my_app"
provide worker pool options using:
icij-worker workers start -c worker_config.json -n 2 --backend multiprocessing "app.my_app"
depending on the worker configuration additional setup might be required.
Async worker implementations
Implemented
neo4j
: task
In progress
- AMQP
Worker asynchronous backends
Implemented
To be implemented
Project details
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