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1287 Commits

Author SHA1 Message Date
Douglas Creager
d5089ccd4d estimate size of distributed upper bound 2026-01-08 09:30:43 -05:00
Douglas Creager
1c247af1cf don't hard-code the threshold 2026-01-08 09:00:18 -05:00
Douglas Creager
f735222ed6 punt on very large union upper bounds for now 2026-01-07 11:34:26 -05:00
Douglas Creager
f1188c74b1 fix merge conflicts 2026-01-06 21:19:19 -05:00
Douglas Creager
e5533da00f prune types when intersecting into upper bound 2026-01-06 20:59:41 -05:00
Carl Meyer
f97da18267 [ty] improve typevar solving from constraint sets (#22411) 
## Summary

Fixes https://github.com/astral-sh/ty/issues/2292

When solving a bounded typevar, we preferred the upper bound over the
actual type seen in the call. This change fixes that.

## Test Plan

Added mdtest, existing tests pass.
 2026-01-06 13:10:51 -08:00
Alex Waygood
bc191f59b9 Convert more ty snapshots to the new format (#22424) 2026-01-06 20:01:41 +00:00
Alex Waygood
2ec29b7418 [ty] Optimize Type::negate() (#22402) 2026-01-06 19:17:59 +00:00
Jack O'Connor
ab1ac254d9 [ty] fix comparisons and arithmetic with NewTypes of float (#22105) 
Fixes https://github.com/astral-sh/ty/issues/2077.
 2026-01-06 09:32:22 -08:00
Charlie Marsh
01de8bef3e [ty] Add named fields for Place enum (#22172) 
## Summary

Mechanical refactor to migrate this enum to named fields. No functional
changes.

See:
https://github.com/astral-sh/ruff/pull/22093#discussion_r2636050127.

---------

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
 2026-01-06 17:24:51 +00:00
Charlie Marsh
b59f6eb5e9 [ty] Support comparisons between variable-length tuples (#21824) 
## Summary

Closes https://github.com/astral-sh/ty/issues/1741.
 2026-01-06 12:09:40 -05:00
Charlie Marsh
d65542c05e [ty] Make tuple intersection a fallible operation (#22094) 
## Summary

This PR attempts to address a TODO in
https://github.com/astral-sh/ruff/pull/21965#discussion_r2635378498.
 2026-01-06 10:47:04 -05:00
Charlie Marsh
8b8b174e4f [ty] Add a diagnostic for @functools.total_ordering without a defined comparison method (#22183) 
## Summary

This raises a `ValueError` at runtime:

```python
from functools import total_ordering

@total_ordering
class NoOrdering:
    def __eq__(self, other: object) -> bool:
        return True
```

Specifically:

```
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/functools.py", line 193, in total_ordering
    raise ValueError('must define at least one ordering operation: < > <= >=')
ValueError: must define at least one ordering operation: < > <= >=
```

See: https://github.com/astral-sh/ty/issues/1202.
 2026-01-06 04:14:06 +00:00
Charlie Marsh
28fa02129b [ty] Add support for @total_ordering (#22181) 
## Summary

We have some suppressions in the pyx codebase related to this, so wanted
to resolve.

Closes https://github.com/astral-sh/ty/issues/1202.
 2026-01-05 22:47:03 -05:00
Douglas Creager
138bf79857 paramspec args/kwargs don't have a bound 2026-01-05 21:24:51 -05:00
Douglas Creager
e39f4654cb materialize the bounds too 2026-01-05 21:13:26 -05:00
Douglas Creager
2c95befaff clippy 2026-01-05 21:13:26 -05:00
Douglas Creager
61aafffab5 prefer informative upper bound again 2026-01-05 21:13:26 -05:00
Douglas Creager
47840fdd0c constrain with bounds/constraints as post-processing step 2026-01-05 21:13:26 -05:00
Jack O'Connor
922d964bcb [ty] emit diagnostics for method definitions and other invalid statements in TypedDict class bodies (#22351) 
Fixes https://github.com/astral-sh/ty/issues/2277.
 2026-01-05 11:28:04 -08:00
Douglas Creager
acd1e6c466 don't overwrite source_order 2026-01-05 13:52:11 -05:00
Douglas Creager
9ca1207667 no duplicate errors anymore 2026-01-05 13:52:11 -05:00
Douglas Creager
83378f01b1 only error when there are typevars 2026-01-05 13:52:10 -05:00
Douglas Creager
be4e7e773d check protocols nominally, too 2026-01-05 13:52:10 -05:00
Douglas Creager
6df88e8fd2 fix test expectations and TODOs 2026-01-05 13:52:07 -05:00
Douglas Creager
8888c3ce1d add todos 2026-01-05 13:41:45 -05:00
Douglas Creager
b6ca2d9050 error message 2026-01-05 13:41:45 -05:00
Douglas Creager
2fa8636a2e make these tests consistent 2026-01-05 13:41:45 -05:00
Douglas Creager
c8664f68bb add TODO for Never/Unknown 2026-01-05 13:41:45 -05:00
Douglas Creager
4ff828d996 these are legit 2026-01-05 13:41:45 -05:00
Douglas Creager
517566a8ca use csa for instance checks 2026-01-05 13:41:45 -05:00
Jack O'Connor
4712503c6d [ty] cargo insta test --force-update-snapshots (#22313) 
Snapshot tests recently started reporting this warning:

> Snapshot test passes but the existing value is in a legacy format.
> Please run cargo insta test --force-update-snapshots to update to a
> newer format.

This PR is the result of that forced update.

One file (crates/ruff_db/src/diagnostic/render/full.rs) seems to get
corrupted, because it contains strings with unprintable characters that
trigger some bug in cargo-insta. I've manually reverted that file, and
also manually reverted the `input_file:` lines, which we like.
 2026-01-05 07:55:47 -08:00
Alex Waygood
f3dea6e5c9 [ty] Optimize IntersectionType for the common case of a single negated element (#22344) 
Co-authored-by: Micha Reiser <micha@reiser.io>
 2026-01-05 13:41:50 +00:00
Micha Reiser
24dd149e03 [ty] Extract relation module from types.rs (#22232) 2026-01-05 13:16:49 +00:00
Alex Waygood
b8d527ff46 [ty] Optimize and simplify UnionElement::try_reduce (#22339) 2026-01-05 12:54:44 +00:00
Charlie Marsh
92a2f2c992 [ty] Apply class decorators via try_call() (#22375) 
## Summary

Decorators are now called with the class as an argument, and the return
type becomes the class's type. This mirrors how function decorators
already work.

Closes https://github.com/astral-sh/ty/issues/2313.
 2026-01-04 17:11:00 -05:00
Micha Reiser
b85c0190c5 [ty] Use upstream GetSize implementation for OrderMap and OrderSet (#22374) 2026-01-04 19:54:03 +00:00
Micha Reiser
46a4bfc478 [ty] Use default HashSet for TypeCollector (#22368) 2026-01-04 18:58:30 +00:00
Alex Waygood
e1439beab2 [ty] Use UnionType helper methods more consistently (#22357) 2026-01-03 14:19:06 +00:00
Felix Scherz
fd86e699b5 [ty] narrow TypedDict unions with not in (#22349) 
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
 2026-01-03 13:12:57 +00:00
Alex Waygood
10a417aaf6 [ty] Specify heap_size for SynthesizedTypedDictType (#22345) 2026-01-02 20:09:35 +00:00
Matthew Mckee
a2e0ff57c3 Run cargo sort (#22310) 2026-01-02 19:58:15 +00:00
Alex Waygood
26230b1ed3 [ty] Use IntersectionType::from_elements more (#22329) 2026-01-01 15:01:00 +00:00
github-actions[bot]
8e45bac3c1 [ty] Sync vendored typeshed stubs (#22321) 
Co-authored-by: typeshedbot <>
Co-authored-by: Alex Waygood <alex.waygood@gmail.com>
 2026-01-01 01:29:12 +00:00
Charlie Marsh
f619783066 [ty] Treat __setattr__ as fallback-only (#22014) 
## Summary

Closes https://github.com/astral-sh/ty/issues/1460.
 2025-12-30 19:01:10 -05:00
Ibraheem Ahmed
ff05428ce6 [ty] Subtyping for bidirectional inference (#21930) 
## Summary

Supersedes https://github.com/astral-sh/ruff/pull/21747. This version
uses the constraint solver directly, which means we should benefit from
constraint solver improvements for free.

Resolves https://github.com/astral-sh/ty/issues/1576.
 2025-12-30 17:03:20 -05:00
Charlie Marsh
12dd27da52 [ty] Support narrowing for tuple matches with literal elements (#22303) 
## Summary

See:
https://github.com/astral-sh/ruff/pull/22299#issuecomment-3699913849.
 2025-12-30 13:45:07 -05:00
github-actions[bot]
7173c7ea3f [ty] Sync vendored typeshed stubs (#22302) 
Co-authored-by: typeshedbot <>
Co-authored-by: Alex Waygood <alex.waygood@gmail.com>
 2025-12-30 17:24:13 +00:00
Charlie Marsh
57218753be [ty] Narrow TypedDict literal access in match statements (#22299) 
## Summary

Closes https://github.com/astral-sh/ty/issues/2279.
 2025-12-30 11:29:09 -05:00
RasmusNygren
0edd97dd41 [ty] Add autocomplete suggestions for class arguments (#22110) 2025-12-30 13:10:56 +00:00