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Sending 🧙🏽

You send a short message of twenty-five words or less to a creature with which you are familiar. The creature hears the message in its mind, recognizes you as the sender if it knows you, and can answer in a like manner immediately. The spell enables creatures with Intelligence scores of at least 1 to understand the meaning of your message.

Sending is a package for supporting various pub/sub implementations. It comes with some backends ready-made to be dropped into any async Python application, and provides the tools to support any backend that isn't already accounted for.

It has three primary goals:

  1. Be highly concurrent. Sending should work in bite-sized chunks to ensure that applications that use it never feel blocked by its message processing.
  2. Be able to support a variety of transport mechanisms and pub/sub backends.
  3. Make it possible for applications to validate data coming in and out of their pub/sub implementations.

Installation

By default, only the libraries required for the InMemoryPubSubManager backend are installed. For other backends, extra libraries are required. To support all backends, use the extras argument all.

# pip
pip install sending
# with a specific backend
pip install sending[jupyter]
# or all backends
pip install sending[all]

# poetry
poetry add sending
# with a specific backend
poetry add sending -E jupyter
# or all backends
poetry add sending -E all

Developing

First run:

pip install nox

Running Tests

nox -s test

To run tests against a specific backend you'll need to ensure that a local copy of that backend is running.

For redis, install the Redis server and then run redis-server. Afterwards you can run nox -s test_redis which will run automated tests against your local instance of Redis. This assumes you are running using the default port of 6379.

Linting

nox -s lint

Style Enforcement

nox -s lint_check