cattrs changelog

Changelog History

Page 1

• v1.0.0

  December 27, 2019

  • 0️⃣ attrs classes with private attributes can now be structured by default.
  • Structuring from dictionaries is now more lenient: extra keys are ignored.
  • cattrs has improved type annotations for use with Mypy.
  • Unstructuring sets and frozensets now works properly.

• v0.9.1

  October 26, 2019

  • 👍 Python 3.8 support.

• v0.9.0

  July 22, 2018

  • 👍 Python 3.7 support.

• v0.8.1

  June 19, 2018

  • 👍 The disambiguation function generator now supports unions of attrs classes and NoneType.

• v0.8.0

  April 14, 2018

  • Distribution fix.

• v0.7.0

  April 12, 2018

  • ✂ Removed the undocumented Converter.unstruct_strat property setter.
  • 🚚 | Removed the ability to set the Converter.structure_attrs instance field. | As an alternative, create a new Converter:: | | .. code-block:: python | | >>> converter = cattr.Converter(unstruct_strat=cattr.UnstructureStrategy.AS_TUPLE)
  • Some micro-optimizations were applied; a structure(unstructure(obj)) roundtrip is now up to 2 times faster.

• v0.6.0

  December 25, 2017

  • 🛠 Packaging fixes. (#17 <https://github.com/Tinche/cattrs/pull/17>_)

• v0.5.0

  December 11, 2017

  • 👍 structure/unstructure now supports using functions as well as classes for deciding the appropriate function.
  • added Converter.register_structure_hook_func, to register a function instead of a class for determining handler func.
  • added Converter.register_unstructure_hook_func, to register a function instead of a class for determining handler func.
  • vendored typing is no longer needed, nor provided.
  • 0️⃣ Attributes with default values can now be structured if they are missing in the input. (#15 <https://github.com/Tinche/cattrs/pull/15>_)
  • | Optional attributes can no longer be structured if they are missing in the input. | In other words, this no longer works: | | .. code-block:: python | | @attr.s | class A: | a: Optional[int] = attr.ib() | | >>> cattr.structure({}, A) |
  • 🚚 cattr.typed removed since the functionality is now present in attrs itself. Replace instances of cattr.typed(type) with attr.ib(type=type).

• v0.4.0

  July 17, 2017

  • Converter.loads is now Converter.structure, and Converter.dumps is now Converter.unstructure.
  • 👍 Python 2.7 is supported.
  • 🚚 Moved cattr.typing to cattr.vendor.typing to support different vendored versions of typing.py for Python 2 and Python 3.
  • 📇 Type metadata can be added to attrs classes using cattr.typed.

• v0.3.0

  March 18, 2017

  • 👍 Python 3.4 is no longer supported.
  • Introduced cattr.typing for use with Python versions 3.5.2 and 3.6.0.

  • Minor changes to work with newer versions of typing.

    • Bare Optionals are not supported any more (use Optional[Any]).

  • Attempting to load unrecognized classes will result in a ValueError, and a helpful message to register a loads hook.

  • Loading attrs classes is now documented.

  • The global converter is now documented.

  • cattr.loads_attrs_fromtuple and cattr.loads_attrs_fromdict are now exposed.

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