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@renovate renovate bot commented Jan 26, 2025

This PR contains the following updates:

Package Change Age Confidence
attrs (changelog) ==24.3.0 -> ==25.4.0 age confidence

Release Notes

python-attrs/attrs (attrs)

v25.4.0

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Backwards-incompatible Changes
  • Class-level kw_only=True behavior is now consistent with dataclasses.

    Previously, a class that sets kw_only=True makes all attributes keyword-only, including those from base classes.
    If an attribute sets kw_only=False, that setting is ignored, and it is still made keyword-only.

    Now, only the attributes defined in that class that doesn't explicitly set kw_only=False are made keyword-only.

    This shouldn't be a problem for most users, unless you have a pattern like this:

    @​attrs.define(kw_only=True)
    class Base:
        a: int
        b: int = attrs.field(default=1, kw_only=False)
    
    @​attrs.define
    class Subclass(Base):
        c: int

    Here, we have a kw_only=True attrs class (Base) with an attribute that sets kw_only=False and has a default (Base.b), and then create a subclass (Subclass) with required arguments (Subclass.c).
    Previously this would work, since it would make Base.b keyword-only, but now this fails since Base.b is positional, and we have a required positional argument (Subclass.c) following another argument with defaults.
    #​1457

Changes
  • Values passed to the __init__() method of attrs classes are now correctly passed to __attrs_pre_init__() instead of their default values (in cases where kw_only was not specified).
    #​1427

  • Added support for Python 3.14 and PEP 749.
    #​1446,
    #​1451

  • attrs.validators.deep_mapping() now allows to leave out either key_validator xor value_validator.
    #​1448

  • attrs.validators.deep_iterator() and attrs.validators.deep_mapping() now accept lists and tuples for all validators and wrap them into a attrs.validators.and_().
    #​1449

  • Added a new experimental way to inspect classes:

    attrs.inspect(cls) returns the effective class-wide parameters that were used by attrs to construct the class.

    The returned class is the same data structure that attrs uses internally to decide how to construct the final class.
    #​1454

  • Fixed annotations for attrs.field(converter=...).
    Previously, a tuple of converters was only accepted if it had exactly one element.
    #​1461

  • The performance of attrs.asdict() has been improved by 45–260%.
    #​1463

  • The performance of attrs.astuple() has been improved by 49–270%.
    #​1469

  • The type annotation for attrs.validators.or_() now allows for different types of validators.

    This was only an issue on Pyright.
    #​1474

v25.3.0

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Changes
  • Restore support for generator-based field_transformers.
    #​1417

v25.2.0

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Changes
  • Checking mandatory vs non-mandatory attribute order is now performed after the field transformer, since the field transformer may change attributes and/or their order.
    #​1147
  • attrs.make_class() now allows for Unicode class names.
    #​1406
  • Speed up class creation by 30%-50% by compiling methods only once and using a variety of other techniques.
    #​1407
  • The error message if an attribute has both an annotation and a type argument will now disclose what attribute seems to be the problem.
    #​1410

v25.1.0

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Changes
  • This release only ensures correct PyPI licensing metadata.
    #​1386

Configuration

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This PR was generated by Mend Renovate. View the repository job log.

@renovate renovate bot force-pushed the renovate/attrs-25.x branch 2 times, most recently from d9fc292 to 97cb081 Compare February 8, 2025 04:36
@renovate renovate bot force-pushed the renovate/attrs-25.x branch from 97cb081 to ab8939f Compare February 15, 2025 05:23
@renovate renovate bot force-pushed the renovate/attrs-25.x branch from ab8939f to 94d5847 Compare February 22, 2025 05:33
@renovate renovate bot force-pushed the renovate/attrs-25.x branch 2 times, most recently from f9c4b7b to 18d4fd4 Compare March 13, 2025 14:28
@renovate renovate bot force-pushed the renovate/attrs-25.x branch from 18d4fd4 to 9e9dc35 Compare October 6, 2025 17:29
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