zmq-anyio

Asynchronous API for ZMQ using AnyIO.

Usage

zmq_anyio.Socket is a subclass of zmq.Socket. Here is how it must be used:

Create a zmq_anyio.Socket from a zmq.Socket or from a zmq.Context:
- Create a blocking ZMQ socket using a zmq.Context, and pass it to an async zmq_anyio.Socket:
```
ctx = zmq.Context()
sock = ctx.socket(zmq.PAIR)
asock = zmq_anyio.Socket(sock)
```
- Or create an async zmq_anyio.Socket using a zmq.Context:
```
ctx = zmq.Context()
asock = zmq_anyio.Socket(ctx)
```
Use the zmq_anyio.Socket with an async context manager.
Use arecv() for the async API, recv() for the blocking API, etc.

import anyio
import zmq
import zmq_anyio

ctx = zmq.Context()
sock1 = ctx.socket(zmq.PAIR)
port = sock1.bind("tcp://127.0.0.1:1234")
sock2 = ctx.socket(zmq.PAIR)
sock2.connect("tcp://127.0.0.1:1234")

# wrap the `zmq.Socket` with `zmq_anyio.Socket`:
sock1 = zmq_anyio.Socket(sock1)
sock2 = zmq_anyio.Socket(sock2)

async def main():
    async with sock1, sock2:  # use an async context manager
        await sock1.asend(b"Hello")  # use `asend` instead of `send` and await it
        sock1.asend(b", World!")  # or don't await it, it's sent in the background
        assert await sock2.arecv() == b"Hello"  # use `arecv` instead of `recv`
        future = sock2.arecv()  # or get the future and await it later
        assert await future == b", World!"

anyio.run(main)

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