generic-pool

generic-pool is a generic object pool for python inspired by the node.js library.

You can use it to build your own resource pools, e.g. to manage file handles, connections or similar.

Install

Install generic-pool from pypi using your favourite package manager.

# If you use poetry
poetry add generic-pool

# If you use pip
pip install generic-pool

Usage

from random

from generic_pool import Factory
from generic_pool import Pool

class IntValue:
    def __init__(self):
        self.value = random.rand
    pass

class FortyTwoFactory(Factory):
    def create(self) -> IntValue:
        return IntValue()

    def validate(self, item: IntValue) -> bool:
        return item.value == 42

    def destroy(self):
        # free resources, not applicable here
        pass

factory = FortyTwoFactory()
pool = Pool(factory)

item = pool.acquire()
try:
    assert item.value == 42
finally:
    pool.release(item)

with pool.acquire(item):
    assert item.value == 42

License

MIT