Bump attrs from 18.2.0 to 20.3.0

[dependabot-preview[bot]]

Bumps attrs from 18.2.0 to 20.3.0.

Release notes

Sourced from attrs's releases.

20.3.0

Backward-incompatible Changes

• attr.define(), attr.frozen(), attr.mutable(), and attr.field() remain provisional.

  This release does not change change anything about them and they are already used widely in production though.

  If you wish to use them together with mypy, you can simply drop this plugin into your project.

  Feel free to provide feedback to them in the linked issue #668.

  We will release the attrs namespace once we have the feeling that the APIs have properly settled. #668

Changes

• attr.s() now has a field_transformer hook that is called for all Attributes and returns a (modified or updated) list of Attribute instances. attr.asdict() has a value_serializer hook that can change the way values are converted. Both hooks are meant to help with data (de-)serialization workflows. #653
• kw_only=True now works on Python 2. #700
• raise from now works on frozen classes on PyPy. #703, #712
• attr.asdict() and attr.astuple() now treat frozensets like sets with regards to the retain_collection_types argument. #704
• The type stubs for attr.s() and attr.make_class() are not missing the collect_by_mro argument anymore. #711

20.2.0

Backward-incompatible Changes

• attr.define(), attr.frozen(), attr.mutable(), and attr.field() remain provisional.

  This release fixes a bunch of bugs and ergonomics but they remain mostly unchanged.

  If you wish to use them together with mypy, you can simply drop this plugin into your project.

  Feel free to provide feedback to them in the linked issue #668.

  We will release the attrs namespace once we have the feeling that the APIs have properly settled. #668

Changes

• attr.define() et al now correct detect __eq__ and __ne__. #671

• attr.define() et al's hybrid behavior now also works correctly when arguments are passed. #675

• It's possible to define custom __setattr__ methods on slotted classes again. #681

• In 20.1.0 we introduced the inherited attribute on the attr.Attribute class to differentiate attributes that have been inherited and those that have been defined directly on the class.

  It has shown to be problematic to involve that attribute when comparing instances of attr.Attribute though, because when sub-classing, attributes from base classes are suddenly not equal to themselves in a super class.

Changelog

Sourced from attrs's changelog.

20.3.0 (2020-11-05)

Backward-incompatible Changes

• attr.define(), attr.frozen(), attr.mutable(), and attr.field() remain provisional.

  This release does not change change anything about them and they are already used widely in production though.

  If you wish to use them together with mypy, you can simply drop this plugin into your project.

  Feel free to provide feedback to them in the linked issue #668.

  We will release the attrs namespace once we have the feeling that the APIs have properly settled. #668

Changes

• attr.s() now has a field_transformer hook that is called for all Attributes and returns a (modified or updated) list of Attribute instances. attr.asdict() has a value_serializer hook that can change the way values are converted. Both hooks are meant to help with data (de-)serialization workflows. #653
• kw_only=True now works on Python 2. #700
• raise from now works on frozen classes on PyPy. #703, #712
• attr.asdict() and attr.astuple() now treat frozensets like sets with regards to the retain_collection_types argument. #704
• The type stubs for attr.s() and attr.make_class() are not missing the collect_by_mro argument anymore. #711

---

20.2.0 (2020-09-05)

Backward-incompatible Changes

• attr.define(), attr.frozen(), attr.mutable(), and attr.field() remain provisional.

  This release fixes a bunch of bugs and ergonomics but they remain mostly unchanged.

  If you wish to use them together with mypy, you can simply drop this plugin into your project.

  Feel free to provide feedback to them in the linked issue #668.

  We will release the attrs namespace once we have the feeling that the APIs have properly settled. #668

Changes

• attr.define() et al now correct detect __eq__ and __ne__. #671
• attr.define() et al's hybrid behavior now also works correctly when arguments are passed. #675
• It's possible to define custom __setattr__ methods on slotted classes again. #681
• In 20.1.0 we introduced the inherited attribute on the attr.Attribute class to differentiate attributes that have been inherited and those that have been defined directly on the class.

Commits

• f3762ba Prepare 20.3.0
• 3d66e57 Exclude GitHub issues from linkcheck to avoid rate limits
• 06d0f8e Add funding URLs to metadata
• d23924f Add provisional notice
• cd2f886 Use 'i' and 'k' to better distinguish variables in an example (#713)
• f2dabea Fix exception chaining on PyPy (#712)
• 6b4a1f1 Tighten up mypy configuration
• 9f7d11e Add types to collect_by_mro annotations m(
• 7020c8b pre-commit autoupdate
• 56c7308 Add missing collect_by_mro to typing stubs
• Additional commits viewable in compare view

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[dependabot-preview[bot]]

Superseded by #250.