python-attrs/attrs

attrs

Performance History

Latest Results

dependabot/github_actions/github-actions-ef93c4a3de

15 hours ago

fix: compare Attribute instances by identity in filters - tests/test_filters.py

TrueFurina:fix/filter-attribute-identity

3 days ago

Strip leftover attr.ib() sentinels when these= is passed. these= skips collecting class-body fields, but those attr.ib() objects stayed on the class. Accessing them then returned a private _CountingAttr instead of a missing or real attribute.

gyanu2507:fix/these-leftover-ib-sentinels

7 days ago

Fix lint formatting and branch coverage in exception reduce - Ruff-format the new parametrized test declarations (79-col limit) - Drop the isinstance(state, dict) guard in _reconstruct_exception: state is always a dict (attribute mapping for slotted classes or self.__dict__), and the dead branch broke the 100% branch coverage gate

weed33834:fix/734-kw-only-exception-pickle

13 days ago

Expose cached properties of slotted classes via __attrs_cached_properties__ Slotted classes now carry a public __attrs_cached_properties__ class attribute: a plain dict mapping the names of the cached_property functions defined on the class to the original functions. It is the same mapping the generated __getattr__ uses, so accessing it never evaluates the properties. Non-slotted classes are unaffected. Documented in docs/extending.md and changelog.d/1532.change.md. Fixes #1532

cjchanh:expose-cached-properties

13 days ago

Fix pickling of auto_exc exceptions with keyword-only attributes BaseException.__reduce__ re-creates exceptions by calling cls(*self.args), which fails for classes whose __init__ only accepts keyword arguments. Add a custom __reduce__ for such exceptions that re-creates them via __new__ and restores state explicitly, working for all combinations of slots and frozen. Fix #734

weed33834:fix/734-kw-only-exception-pickle

13 days ago

add pr update fragment

RHammond2:feature/eq-validator

20 days ago

Add `dataclass_compatible` flag Short of having some [stdlib fields interface](https://discuss.python.org/t/add-a-fields-interface/108364), the de facto standard for marking a class as "some non-opaque class that you can iterate over the fields of" is the presence of `__dataclass_fields__`. One example of this de facto standard (and the motivation for this PR) is in Pydantic. Pydantic will happily use dataclass definitions for (de)serialization, both in the case of nested definitions, and when using `pydantic.TypeAdapter(T)`. The only way it can tell if something is a dataclass is using `dataclasses.is_dataclass`, which itself just checks for the presence of `__dataclass_fields__`. An `attrs` class masquerading as a dataclass via `__dataclass_fields__` works just fine. Using `pydantic.TypeAdapter` at the edges and normal `attrs` in the core application avoids @tinche's concerns around things like: > Is it really necessary to re-validate all your objects while reading > them from a trusted database? that this PR's author [largely agrees with](https://leontrolski.github.io/pydantic-wrong.html). Another example would be a "map over everything" function like the following: ```python def map_[T](o: T, f: Callable[[T], T]) -> T: if isinstance(o, list): return [map_(v, f) for v in o] # ditto for tuple, set, frozenset, dict, then, if has_fields(o): kwargs = {k: map_(getattr(o, field.name), f) for field in dataclasses.fields(o)} return copy.replace(o, **kwargs) return o ``` With `dataclass_compatible=True` set, functions like this will work without having to muck around checking for the installation of `attrs` and using the subtly different `attrs.fields` function.

leontrolski:add-dataclass-compatible

27 days ago

Latest Branches

build(deps): bump the github-actions group with 5 updates#1617

15 hours ago

88cb228

dependabot/github_actions/github-actions-ef93c4a3de

fix: compare `Attribute` instances by identity in `include`/`exclude`#1616

3 days ago

cb32540

TrueFurina:fix/filter-attribute-identity

Strip leftover attr.ib() sentinels when these= is passed#1614

7 days ago

7e6bd76

gyanu2507:fix/these-leftover-ib-sentinels

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