Shunsuke Shibayama ef564094a9 [ty] support del statement and deletion of except handler names (#18593) ... ## Summary This PR closes https://github.com/astral-sh/ty/issues/238. Since `DefinitionState::Deleted` was introduced in #18041, support for the `del` statement (and deletion of except handler names) is straightforward. However, it is difficult to determine whether references to attributes or subscripts are unresolved after they are deleted. This PR only invalidates narrowing by assignment if the attribute or subscript is deleted. ## Test Plan `mdtest/del.md` is added. --------- Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>		2025-06-12 07:44:42 -07:00
..
annotations	[ty] Pull types on synthesized Python files created by mdtest (#18539)	2025-06-12 10:32:17 +01:00
assignment	[ty] Add hint that PEP 604 union syntax is only available in 3.10+ (#18192)	2025-05-19 19:47:31 +02:00
binary	[ty] Minor tweaks to "list all members" docs and tests (#18388)	2025-05-30 13:36:57 -04:00
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	Update class literal display to use <class 'Foo'> style (#17889)	2025-05-06 20:11:25 -04:00
call	[ty] Argument type expansion for overload call evaluation (#18382)	2025-06-04 02:12:00 +00:00
class	Update class literal display to use <class 'Foo'> style (#17889)	2025-05-06 20:11:25 -04:00
comparison	[ty] Fix binary intersection comparison inference logic (#18266)	2025-05-23 12:55:17 +02:00
comprehensions
conditional
declaration
diagnostics	[ty] Don't warn yield not in function when yield is in function (#18008)	2025-05-21 18:16:25 +02:00
directives	[ty] Fix normalization of unions containing instances parameterized with unions (#18112)	2025-05-14 22:48:33 -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] support del statement and deletion of except handler names (#18593)	2025-06-12 07:44:42 -07:00
expression	[ty] Treat lambda functions as instances of types.FunctionType (#18431)	2025-06-02 16:46:26 +01:00
function	[ty] Add diagnosis for function with no return statement but with return type annotation (#18359)	2025-05-29 23:17:18 +00:00
generics	[ty] Add meta-type tests for legavy TypeVars (#18453)	2025-06-04 07:44:44 +00:00
ide_support	[ty] Minor tweaks to "list all members" docs and tests (#18388)	2025-05-30 13:36:57 -04:00
import	[ty] Improve diagnostics if the user attempts to import a stdlib module that does not exist on their configured Python version (#18403)	2025-06-02 10:52:26 +00:00
literal	[ty] Understand classes that inherit from subscripted Protocol[] as generic (#17832)	2025-05-09 17:39:15 +01:00
loops
narrow	[ty] type narrowing by attribute/subscript assignments (#18041)	2025-06-04 17:24:27 -07:00
regression
scopes	[ty] Add support for global __debug__ constant (#18540)	2025-06-10 06:48:59 +00:00
shadowing
snapshots	[ty] Add hints to invalid-type-form for common mistakes (#18543)	2025-06-09 00:40:05 +01:00
stubs	[ty] Do not carry the generic context of Protocol or Generic in the ClassBase enum (#17989)	2025-05-22 21:37:03 -04:00
subscript	[ty] Do not carry the generic context of Protocol or Generic in the ClassBase enum (#17989)	2025-05-22 21:37:03 -04:00
suppressions
type_compendium	[ty] Type compendium (#18263)	2025-05-23 11:41:31 +02:00
type_of	Update class literal display to use <class 'Foo'> style (#17889)	2025-05-06 20:11:25 -04:00
type_properties	[ty] Generate the top and bottom materialization of a type (#18594)	2025-06-12 12:06:16 +05:30
type_qualifiers	[ty] Pull types on synthesized Python files created by mdtest (#18539)	2025-06-12 10:32:17 +01:00
unary	Update class literal display to use <class 'Foo'> style (#17889)	2025-05-06 20:11:25 -04:00
with	[ty] Add hint if async context manager is used in non-async with statement (#18299)	2025-05-26 21:34:47 +02:00
.mdformat.toml
attributes.md	[ty] type narrowing by attribute/subscript assignments (#18041)	2025-06-04 17:24:27 -07:00
cycle.md	[ty] Add cycle handling for unpacking targets (#18078)	2025-05-13 21:27:48 +00:00
dataclass_transform.md	[ty] Detect overloads decorated with @dataclass_transform (#17835)	2025-05-07 15:51:13 +02:00
dataclasses.md	[ty] dataclasses: Allow using dataclasses.dataclass as a function. (#18440)	2025-06-03 09:50:29 -07:00
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] support del statement and deletion of except handler names (#18593)	2025-06-12 07:44:42 -07:00
descriptor_protocol.md	[ty] type narrowing by attribute/subscript assignments (#18041)	2025-06-04 17:24:27 -07:00
final.md
intersection_types.md	[ty] Unify Type::is_subtype_of() and Type::is_assignable_to() (#18430)	2025-06-06 17:28:55 +00:00
invalid_syntax.md
known_constants.md
mdtest_config.md
mdtest_custom_typeshed.md	[ty] Fix duplicate diagnostics for unresolved module when an import from statement imports multiple members (#17886)	2025-05-06 12:37:10 +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] Implement implicit inheritance from Generic[] for PEP-695 generic classes (#18283)	2025-05-26 20:40:16 +01:00
named_tuple.md	[ty] Add generic inference for dataclasses (#18443)	2025-06-03 09:59:43 -07:00
overloads.md
pep695_type_aliases.md	[ty] Support typing.TypeAliasType (#18156)	2025-05-19 16:36:49 +02:00
properties.md	ty_python_semantic: add union type context to function call type errors	2025-05-09 13:40:51 -04:00
protocols.md	[ty] Unify Type::is_subtype_of() and Type::is_assignable_to() (#18430)	2025-06-06 17:28:55 +00:00
slots.md
statically_known_branches.md	Fix typos (#17988)	2025-05-09 14:57:14 -04:00
sys_platform.md
sys_version_info.md
terminal_statements.md
type_api.md	[ty] Pull types on synthesized Python files created by mdtest (#18539)	2025-06-12 10:32:17 +01:00
typed_dict.md
union_types.md
unpacking.md	[ty] Add tests for empty list/tuple unpacking (#18451)	2025-06-04 02:40:26 +00:00
unreachable.md