WKafka lets developers send images over Kafka using a typed format contract

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WKafka, an open-source Python library by William Steve Rodríguez Villamizar, introduces a first-class image message type for Apache Kafka, eliminating the need for manual byte decoding on the consumer side. By specifying format='image' in the producer call, a NumPy array is automatically serialized to JPEG bytes before transmission. On the consumer end, the library deserializes the data back into the original array with the same shape, dtype, and channels, removing guesswork. The approach enforces a deterministic round-trip contract, ensuring frame order and compatibility with OpenCV, NumPy, and PIL out of the box. WKafka is available on PyPI under the MIT license, with documentation and reproducible examples hosted on GitHub and ReadTheDocs.

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