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asyncactor-0.23.1


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توضیحات

Async decentralized actor
ویژگی مقدار
سیستم عامل -
نام فایل asyncactor-0.23.1
نام asyncactor
نسخه کتابخانه 0.23.1
نگهدارنده ['Matthias Urlichs']
ایمیل نگهدارنده ['matthias@urlichs.de']
نویسنده Matthias Urlichs
ایمیل نویسنده matthias@urlichs.de
آدرس صفحه اصلی https://github.com/smurfix/asyncactor
آدرس اینترنتی https://pypi.org/project/asyncactor/
مجوز GPL3
asyncactor ========== AsyncActor is an async Python module that aids in service discovery and "somewhat-leader" election in a heterogenous, sometimes-disconnected network. AsyncActor can run on top of any reliable broadcast channel. This version includes back-ends for Serf and MQTT. AsyncActor sends as few packets as possible, thus is well-suited for IoT-related applications with many stations but limited bandwidth. Theory of operation +++++++++++++++++++ Assume that you have a non-lossy network with a bounded latency (let's assume one second). Assume further that you'd like to know within ten seconds whether your node is still online. AsyncActor sends one beacon message every seven to nine seconds. The message includes a list of N previous hosts that have transmitted the beacon; the host that's last in this list will be the next transmitter. The time slot starting at the seven-second mark is used for random hosts which would like to enter the beacon sending business. This is somewhat likely if the list of hosts is currently smaller than N. The slot at eight seconds is used for the hosts at the end of the list; the last host will send first, but if its beacon is not seen then the next-to-last will send its message, and so on. The time slot at nine seconds is used for last-resort messages, i.e. any participating host can and will send its beacon message. Collisions are resolved at the ten-second mark, i.e. the list of messages is ordered deterministically: the winner will announce to its clients that a new slot has started and whether all N host slots are filled. It uses `anyio <https://github.com/agronholm/anyio>` as its underlying async framework. .. image:: https://badge.fury.io/py/asyncactor.svg :alt: PyPI latest version badge :target: https://pypi.python.org/pypi/asyncactor .. image:: https://coveralls.io/repos/smurfix/asyncactor/badge.png?branch=master :alt: Code coverage badge :target: https://coveralls.io/r/smurfix/asyncactor?branch=master Installation ------------ AsyncActor requires a back-end, i.e. either a running Serf agent or a MQTT broker. To install AsyncActor, run the following command: .. code-block:: bash $ pip install asyncactor or alternatively (you really should be using pip though): .. code-block:: bash $ easy_install asyncactor or from source: .. code-block:: bash $ python setup.py install Getting Started --------------- These examples require a running async loop. `Trio <https://github.com/python-trio/trio>` is recommended, though ``asyncio`` works too. .. code-block:: python from asyncactor import client as actor from somewhere import some_transport async with some_transport.connect('localhost') as t: async with actor(t, prefix=('actor','test')) as client: async for client.events as m: print(m) Development ------------ You can run the tests using the following commands: .. code-block:: bash $ serf agent & # start serf agent $ mosquitto $ python3 -mpytest tests


نیازمندی

مقدار نام
>=3 anyio
>=18.1 attrs
>=0.5.0 msgpack
- outcome
- async-exit-stack
- async-generator


زبان مورد نیاز

مقدار نام
>=3.7 Python


نحوه نصب


نصب پکیج whl asyncactor-0.23.1:

    pip install asyncactor-0.23.1.whl


نصب پکیج tar.gz asyncactor-0.23.1:

    pip install asyncactor-0.23.1.tar.gz