PEP 557* versus the world

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Python 3.7 will ship with a new module called dataclasses, which has been defined in PEP 557.

  • What is this module?
  • What are the problems that PEP 557 authors try to solve?
  • What was the chosen design, and why?
  • How does it compare against the tools that already exist?

This talk will deeply cover dataclasses, but also attrs, box, thingy, and others.

Post-conference notes: - Slides: https://slides.com/ramnes/pep-557 - Implementations and micro-benchmark: https://github.com/ramnes/pep-557-vs-the-world

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