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A client library for SCiMMA

Project description

SCiMMA Client

scimma-client is a pub-sub client library for Multimessenger Astrophysics.


Publish a GCN to Kafka:

scimma publish -b kafka://hostname:port/gcn mygcn.gcn3

An example RFC 822 formatted GCN circular (example.gcn3) is provided in tests/data.

Client configuration properties can be passed to scimma publish via -X property=value or in a configuration file specified by -F <config-file>, mimicking the behavior of kafkacat. This can be used to connect to a Kafka broker with SSL authentication enabled, for example.


You can install scimma-client either via pip, conda, or from source.

To install with pip:

pip install -U scimma-client

To install with conda, you must use the channel from the SCiMMA Anaconda organization:

conda install --channel scimma scimma-client

To install from source:

tar -xzf scimma-client-x.y.z.tar.gz
cd scimma-client-x.y.z
python install


A Makefile is provided to ease in testing, deployment and generating documentation.

A list of commands can be listed with make help.

In addition, two extras are provided when installing the scimma client that installs the required test and documentation libraries:

pip install -U scimma-client[dev,docs]

To mark a new version, use Github tags to mark your commit with a semver version:

git tag v0.0.1

To release a new version and upload to package repositories, push your tag after pushing your commit:

git push --tags

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