Bydantic – Pydantic-style bitfields for Python

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Hi HN! I’d like to share Bydantic, a Python library for declaratively defining bitfields using Python type hints and dataclass-like field types. It automatically handles serialization and deserialization, so you can focus on structure, not boilerplate.I built Bydantic while reverse-engineering the Bluetooth protocol used by a family of inexpensive HT radios [1]. The protocol was messy and complex, and I quickly got tired of writing ad hoc parsing and packing code. What I really wanted was something like Pydantic—but for binary data. So I made this!Finding the right balance between expressiveness and type safety was a big challenge, especially with the limits of Python’s type hinting system.

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Website: kylehusmann.com/bydantic