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ruff/crates/ty_python_semantic/resources/mdtest
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David Peter ab46c8de0f
[ty] Add support for properties that return Self (#21335) 
## Summary

Detect usages of implicit `self` in property getters, which allows us to
treat their signature as being generic.

closes https://github.com/astral-sh/ty/issues/1502

## Typing conformance

Two new type assertions that are succeeding.

## Ecosystem results

Mostly look good. There are a few new false positives related to a bug
with constrained typevars that is unrelated to the work here. I reported
this as https://github.com/astral-sh/ty/issues/1503.

## Test Plan

Added regression tests.
2025-11-10 11:13:36 +01:00
..
annotations [ty] Add support for properties that return Self (#21335) 2025-11-10 11:13:36 +01:00
assignment [ty] support subscripting typing.Literal with a type alias (#21207) 2025-11-02 12:39:55 -05:00
binary [ty] Rename UnionType to types.UnionType (#21262) 2025-11-03 22:06:56 +01:00
boolean Revert "[ty] Better control flow for boolean expressions that are inside if (#18010)" (#18150) 2025-05-17 08:27:32 -04:00
boundness_declaredness [ty] Reformulation of public symbol inference test suite (#20667) 2025-10-01 14:26:17 +02:00
call [ty] dict is not assignable to TypedDict (#21238) 2025-11-03 16:57:49 -05:00
class [ty] Fix bug where ty would think all types had an __mro__ attribute (#20995) 2025-10-27 11:19:12 +00:00
comparison [ty] detect cycles in binary comparison inference (#20446) 2025-09-17 09:45:25 +02:00
comprehensions [ty] dict is not assignable to TypedDict (#21238) 2025-11-03 16:57:49 -05:00
conditional [ty] Support as-patterns in reachability analysis (#19728) 2025-08-04 20:13:50 +02:00
dataclasses [ty] Use "cannot" consistently over "can not" (#21255) 2025-11-03 10:38:20 -05:00
declaration [ty] Format conflicting types as an enumeration (#18956) 2025-06-26 14:29:33 +02:00
diagnostics [ty] continue and break statements outside loops are syntax errors (#20944) 2025-10-17 17:13:40 +00:00
directives [ty] Use annotated parameters as type context (#20635) 2025-10-03 17:14:51 -04:00
doc ty_python_semantic: add union type context to function call type errors 2025-05-09 13:40:51 -04:00
exception [ty] Filter out revealed-type and undefined-reveal diagnostics from mdtest snapshots (#20820) 2025-10-12 18:39:32 +00:00
expression [ty] Use "cannot" consistently over "can not" (#21255) 2025-11-03 10:38:20 -05:00
function [ty] don't union in default type for annotated parameters (#21208) 2025-11-02 18:21:54 -05:00
generics [ty] Understand legacy and PEP 695 ParamSpec (#21139) 2025-11-06 11:14:40 -05:00
ide_support [ty] Use "cannot" consistently over "can not" (#21255) 2025-11-03 10:38:20 -05:00
import [ty] prefer submodule over module __getattr__ in from-imports (#21260) 2025-11-03 15:24:01 -05:00
literal [ty] Type inference for comprehensions (#20962) 2025-11-02 14:35:33 +01:00
loops [ty] Fix bug where ty would think all types had an __mro__ attribute (#20995) 2025-10-27 11:19:12 +00:00
narrow [ty] Add diagnostics for isinstance() and issubclass() calls that use invalid PEP-604 unions for their second argument (#21343) 2025-11-10 08:46:31 +00:00
regression [ty] Fix panic due to simplifying Divergent types out of intersections types (#21253) 2025-11-03 15:41:11 +00:00
scopes [ty] Improve error messages for unresolved attribute diagnostics (#20963) 2025-10-19 10:58:25 +01:00
shadowing
snapshots [ty] Add support for Optional and Annotated in implicit type aliases (#21321) 2025-11-10 10:24:38 +01:00
stubs [ty] Fix bug where ty would think all types had an __mro__ attribute (#20995) 2025-10-27 11:19:12 +00:00
subscript [ty] Fix bug where ty would think all types had an __mro__ attribute (#20995) 2025-10-27 11:19:12 +00:00
suppressions [ty] Add suggestion to unknown rule diagnostics, rename unknown-rule lint to ignore-comment-unknown-rule (#20948) 2025-10-18 12:44:21 +02:00
type_compendium [ty] Use "cannot" consistently over "can not" (#21255) 2025-11-03 10:38:20 -05:00
type_of [ty] Fix bug where ty would think all types had an __mro__ attribute (#20995) 2025-10-27 11:19:12 +00:00
type_properties [ty] Clarify behavior of constraint sets for gradual upper bounds and constraints (#21287) 2025-11-07 14:01:39 -05:00
type_qualifiers [ty] Fix bug where ty would think all types had an __mro__ attribute (#20995) 2025-10-27 11:19:12 +00:00
unary Update class literal display to use <class 'Foo'> style (#17889) 2025-05-06 20:11:25 -04:00
with [ty] Use typing.Self for the first parameter of instance methods (#20517) 2025-09-29 21:08:08 +02:00
.mdformat.toml
async.md [ty] Support async/await, async with and yield from (#19595) 2025-07-30 11:51:21 +02:00
attributes.md [ty] Use "cannot" consistently over "can not" (#21255) 2025-11-03 10:38:20 -05:00
bidirectional.md [ty] dict is not assignable to TypedDict (#21238) 2025-11-03 16:57:49 -05:00
classes.md [ty] Fix bug where ty would think all types had an __mro__ attribute (#20995) 2025-10-27 11:19:12 +00:00
cycle.md [ty] Avoid ever-growing default types (#20991) 2025-10-21 19:13:36 +02:00
decorators.md ty_python_semantic: add union type context to function call type errors 2025-05-09 13:40:51 -04:00
del.md [ty] No union with Unknown for module-global symbols (#20664) 2025-10-01 16:40:30 +02:00
deprecated.md [ty] Consistent use of American english (in rules) (#19488) 2025-07-22 16:10:38 +02:00
descriptor_protocol.md [ty] Infer type for implicit self parameters in method bodies (#20922) 2025-10-23 09:34:39 +02:00
enums.md [ty] Enums: allow multiple aliases to point to the same member (#20669) 2025-10-01 15:51:53 +02:00
exhaustiveness_checking.md [ty] Improve exhaustiveness analysis for type variables with bounds or constraints (#21172) 2025-10-31 16:51:11 -04:00
final.md
implicit_type_aliases.md [ty] Add support for Optional and Annotated in implicit type aliases (#21321) 2025-11-10 10:24:38 +01:00
instance_layout_conflict.md [ty] initial support for slots=True in dataclasses (#20278) 2025-09-07 18:25:35 +01:00
intersection_types.md [ty] Use "cannot" consistently over "can not" (#21255) 2025-11-03 10:38:20 -05:00
invalid_syntax.md
known_constants.md
literal_promotion.md [ty] Do not promote literals in contravariant positions of generic specializations (#21171) 2025-10-31 17:48:34 +01:00
mdtest_config.md
mdtest_custom_typeshed.md [ty] Remove Type::Tuple (#19669) 2025-08-11 22:03:32 +01:00
metaclass.md Update class literal display to use <class 'Foo'> style (#17889) 2025-05-06 20:11:25 -04:00
mro.md [ty] Rename UnionType to types.UnionType (#21262) 2025-11-03 22:06:56 +01:00
named_tuple.md [ty] Fix bug where ty would think all types had an __mro__ attribute (#20995) 2025-10-27 11:19:12 +00:00
overloads.md [ty] Infer type of self for decorated methods and properties (#21123) 2025-10-29 21:22:38 +00:00
paramspec.md [ty] Understand legacy and PEP 695 ParamSpec (#21139) 2025-11-06 11:14:40 -05:00
pep613_type_aliases.md [ty] Fall back to Divergent for deeply nested specializations (#20988) 2025-10-22 14:29:10 +02:00
pep695_type_aliases.md [ty] Add cycle handling to lazy_default (#20967) 2025-10-23 10:05:08 +02:00
properties.md [ty] Add support for properties that return Self (#21335) 2025-11-10 11:13:36 +01:00
protocols.md [ty] Fix bug where ty would think all types had an __mro__ attribute (#20995) 2025-10-27 11:19:12 +00:00
public_types.md [ty] Disambiguate classes that live in different modules but have the same fully qualified names (#20756) 2025-10-08 18:27:40 +01:00
statically_known_branches.md [ty] Rename "possibly unbound" diagnostics to "possibly missing" (#20492) 2025-09-23 14:26:55 +00:00
sys_platform.md
sys_version_info.md
t_strings.md [ty] Add support for PEP 750 t-strings (#20085) 2025-08-25 18:49:49 +00:00
terminal_statements.md [ty] improve lazy scope place lookup (#19321) 2025-07-25 07:11:11 +00:00
ty_extensions.md [ty] Use "cannot" consistently over "can not" (#21255) 2025-11-03 10:38:20 -05:00
typed_dict.md [ty] dict is not assignable to TypedDict (#21238) 2025-11-03 16:57:49 -05:00
union_types.md [ty] Introduce TypeRelation::Redundancy (#20602) 2025-10-03 18:35:30 +01:00
unpacking.md [ty] Infer more precise types for collection literals (#20360) 2025-09-17 18:51:50 -04:00
unreachable.md [ty] Use "cannot" consistently over "can not" (#21255) 2025-11-03 10:38:20 -05:00