mirror of
https://github.com/kennethreitz/background.git
synced 2026-06-05 15:00:20 +00:00
Parth Shandilya
47 lines
722 B
Python
47 lines
722 B
Python
#!/usr/bin/env python
|
|
|
|
import multiprocessing
|
|
import concurrent.futures
|
|
|
|
|
|
def default_n():
|
|
return multiprocessing.cpu_count()
|
|
|
|
|
|
n = default_n()
|
|
pool = concurrent.futures.ThreadPoolExecutor(max_workers=n)
|
|
callbacks = []
|
|
results = []
|
|
|
|
|
|
def run(f, *args, **kwargs):
|
|
|
|
pool._max_workers = n
|
|
pool._adjust_thread_count()
|
|
|
|
f = pool.submit(f, *args, **kwargs)
|
|
results.append(f)
|
|
|
|
return f
|
|
|
|
|
|
def task(f):
|
|
def do_task(*args, **kwargs):
|
|
result = run(f, *args, **kwargs)
|
|
|
|
for cb in callbacks:
|
|
result.add_done_callback(cb)
|
|
|
|
return result
|
|
|
|
return do_task
|
|
|
|
|
|
def callback(f):
|
|
callbacks.append(f)
|
|
|
|
def register_callback():
|
|
f()
|
|
|
|
return register_callback
|