This PR contains the following updates:
| Package | Type | Update | Change |
|---|---|---|---|
| [criterion](https://bheisler.github.io/criterion.rs/book/index.html)
([source](https://redirect.github.com/bheisler/criterion.rs)) |
workspace.dependencies | minor | `0.6.0` -> `0.7.0` |
---
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---
### Release Notes
<details>
<summary>bheisler/criterion.rs (criterion)</summary>
###
[`v0.7.0`](https://redirect.github.com/bheisler/criterion.rs/blob/HEAD/CHANGELOG.md#070---2025-07-25)
[Compare
Source](https://redirect.github.com/bheisler/criterion.rs/compare/0.6.0...0.7.0)
- Bump version of criterion-plot to align dependencies.
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## Summary
Closes: astral-sh/ty#88
This PR implements an initial version of a mock language server that can
be used to write e2e tests using the real server running in the
background.
The way it works is that you'd use the `TestServerBuilder` to help
construct the `TestServer` with the setup data. This could be the
workspace folders, populating the file and it's content in the memory
file system, setting the right client capabilities to make the server
respond correctly, etc. This can be expanded as we write more test
cases.
There are still a few things to follow-up on:
- ~In the `Drop` implementation, we should assert that there are no
pending notification, request and responses from the server that the
test code hasn't handled yet~ Implemented in [`afd1f82`
(#19391)](afd1f82bde)
- Reduce the setup boilerplate in any way we can
- Improve the final assertion, currently I'm just snapshotting the final
output
## Test Plan
Written a few test cases.
This implements mapping of definitions in stubs to definitions in the
"real" implementation using the approach described in
https://github.com/astral-sh/ty/issues/788#issuecomment-3097000287
I've tested this with goto-definition in vscode with code that uses
`colorama` and `types-colorama`.
Notably this implementation does not add support for stub-mapping stdlib
modules, which can be done as an essentially orthogonal followup in the
implementation of `resolve_real_module`.
Part of https://github.com/astral-sh/ty/issues/788
This is a follow-on to #19410 that further reduces the memory usage of
our reachability constraints. When finishing the building of a use-def
map, we walk through all of the "final" states and mark only those
reachability constraints as "used". We then throw away the interior TDD
nodes of any reachability constraints that weren't marked as used.
(This helps because we build up quite a few intermediate TDD nodes when
constructing complex reachability constraints. These nodes can never be
accessed if they were _only_ used as an intermediate TDD node. The
marking step ensures that we keep any nodes that ended up being referred
to in some accessible use-def map state.)
Summary
--
This PR moves the JUnit output format to the new rendering
infrastructure. As I
mention in a TODO in the code, there's some code that will be shared
with the
`grouped` output format. Hopefully I'll have that PR up too by the time
this one
is reviewed.
Test Plan
--
Existing tests moved to `ruff_db`
---------
Co-authored-by: Micha Reiser <micha@reiser.io>
## Summary
This PR updates the `ResolvedClientCapabilities` to be represented as
`bitflags`. This allows us to remove the `Arc` as the type becomes copy.
Additionally, this PR also fixed the goto definition and declaration
code to use the `textDocument.definition.linkSupport` and
`textDocument.declaration.linkSupport` client capability.
This PR also removes the unused client capabilities which are
`code_action_deferred_edit_resolution`, `apply_edit`, and
`document_changes` which are all related to auto-fix ability.
## Summary
This was originally stacked on #19129, but some of the changes I made
for JSON also impacted the Azure format, so I went ahead and combined
them. The main changes here are:
- Implementing `FileResolver` for Ruff's `EmitterContext`
- Adding `FileResolver::notebook_index` and `FileResolver::is_notebook`
methods
- Adding a `DisplayDiagnostics` (with an "s") type for rendering a group
of diagnostics at once
- Adding `Azure`, `Json`, and `JsonLines` as new `DiagnosticFormat`s
I tried a couple of alternatives to the `FileResolver::notebook` methods
like passing down the `NotebookIndex` separately and trying to reparse a
`Notebook` from Ruff's `SourceFile`. The latter seemed promising, but
the `SourceFile` only stores the concatenated plain text of the
notebook, not the re-parsable JSON. I guess the current version is just
a variation on passing the `NotebookIndex`, but at least we can reuse
the existing `resolver` argument. I think a lot of this can be cleaned
up once Ruff has its own actual file resolver.
As suggested, I also tried deleting the corresponding `Emitter` files in
`ruff_linter`, but it doesn't look like git was able to follow this as a
rename. It did, however, track that the tests were moved, so the
snapshots should be easy to review.
## Test Plan
Existing Ruff tests ported to tests in `ruff_db`. I think some other
existing ruff tests also cover parts of this refactor.
---------
Co-authored-by: Micha Reiser <micha@reiser.io>
## Summary
This PR fixes a bug that didn't return a response to the client if the
document snapshotting failed.
This is resolved by making sure that the server always creates the
document snapshot and embed the any failures inside the snapshot.
Closes: astral-sh/ty#798
## Test Plan
Using the test case as described in the linked issue:
https://github.com/user-attachments/assets/f32833f8-03e5-4641-8c7f-2a536fe2e270
This PR includes:
* Implemented core signature help logic
* Added new docstring method on Definition that returns a docstring for
function and class definitions
* Modified the display code for Signature that allows a signature string
to be broken into text ranges that correspond to each parameter in the
signature
* Augmented Signature struct so it can track the Definition for a
signature when available; this allows us to find the docstring
associated with the signature
* Added utility functions for parsing parameter documentation from three
popular docstring formats (Google, NumPy and reST)
* Implemented tests for all of the above
"Signature help" is displayed by an editor when you are typing a
function call expression. It is typically triggered when you type an
open parenthesis. The language server provides information about the
target function's signature (or multiple signatures), documentation, and
parameters.
Here is how this appears:
---------
Co-authored-by: UnboundVariable <unbound@gmail.com>
Co-authored-by: Micha Reiser <micha@reiser.io>
This PR implements a basic semantic token provider for ty's language
server. This allows for more accurate semantic highlighting / coloring
within editors that support this LSP functionality.
Here are screen shots that show how code appears in VS Code using the
"rainbow" theme both before and after this change.
The token types and modifier tags in this implementation largely mirror
those used in Microsoft's default language server for Python.
The implementation supports two LSP interfaces. The first provides
semantic tokens for an entire document, and the second returns semantic
tokens for a requested range within a document.
The PR includes unit tests. It also includes comments that document
known limitations and areas for future improvements.
---------
Co-authored-by: UnboundVariable <unbound@gmail.com>
This PR contains the following updates:
| Package | Type | Update | Change |
|---|---|---|---|
| [notify](https://redirect.github.com/notify-rs/notify) |
workspace.dependencies | minor | `8.0.0` -> `8.1.0` |
---
> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.
---
### Release Notes
<details>
<summary>notify-rs/notify (notify)</summary>
###
[`v8.1.0`](https://redirect.github.com/notify-rs/notify/blob/HEAD/CHANGELOG.md#notify-810-2025-07-03)
[Compare
Source](https://redirect.github.com/notify-rs/notify/compare/notify-8.0.0...notify-8.1.0)
- FEATURE: added support for the [`flume`](https://docs.rs/flume) crate
- FIX: kqueue-backend: do not double unwatch top-level directory when
recursively unwatching
\[[#​683](https://redirect.github.com/notify-rs/notify/issues/683)]
- FIX: Return the crate error `PathNotFound` instead bubbling up the
std::io error
\[[#​685](https://redirect.github.com/notify-rs/notify/issues/685)]
- FIX: fix server hangs when trashing folders on Windows
\[[#​674](https://redirect.github.com/notify-rs/notify/issues/674)]
</details>
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## Summary
This PR is a collaboration with @AlexWaygood from our pairing session
last Friday.
The main goal here is removing `ruff_linter::message::OldDiagnostic` in
favor of
using `ruff_db::diagnostic::Diagnostic` directly. This involved a few
major steps:
- Transferring the fields
- Transferring the methods and trait implementations, where possible
- Converting some constructor methods to free functions
- Moving the `SecondaryCode` struct
- Updating the method names
I'm hoping that some of the methods, especially those in the
`expect_ruff_*`
family, won't be necessary long-term, but I avoided trying to replace
them
entirely for now to keep the already-large diff a bit smaller.
### Related refactors
Alex and I noticed a few refactoring opportunities while looking at the
code,
specifically the very similar implementations for
`create_parse_diagnostic`,
`create_unsupported_syntax_diagnostic`, and
`create_semantic_syntax_diagnostic`.
We combined these into a single generic function, which I then copied
into
`ruff_linter::message` with some small changes and a TODO to combine
them in the
future.
I also deleted the `DisplayParseErrorType` and `TruncateAtNewline` types
for
reporting parse errors. These were added in #4124, I believe to work
around the
error messages from LALRPOP. Removing these didn't affect any tests, so
I think
they were unnecessary now that we fully control the error messages from
the
parser.
On a more minor note, I factored out some calls to the
`OldDiagnostic::filename`
(now `Diagnostic::expect_ruff_filename`) function to avoid repeatedly
allocating
`String`s in some places.
### Snapshot changes
The `show_statistics_syntax_errors` integration test changed because the
`OldDiagnostic::name` method used `syntax-error` instead of
`invalid-syntax`
like in ty. I think this (`--statistics`) is one of the only places we
actually
use this name for syntax errors, so I hope this is okay. An alternative
is to
use `syntax-error` in ty too.
The other snapshot changes are from removing this code, as discussed on
[Discord](https://discord.com/channels/1039017663004942429/1228460843033821285/1388252408848847069):
34052a1185/crates/ruff_linter/src/message/mod.rs (L128-L135)
I think both of these are technically breaking changes, but they only
affect
syntax errors and are very narrow in scope, while also pretty
substantially
simplifying the refactor, so I hope they're okay to include in a patch
release.
## Test plan
Existing tests, with the adjustments mentioned above
---------
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
## Summary
This PR updates Salsa to pull in Ibraheem's multithreading improvements (https://github.com/salsa-rs/salsa/pull/921).
## Performance
A small regression for single-threaded benchmarks is expected because
papaya is slightly slower than a `Mutex<FxHashMap>` in the uncontested
case (~10%). However, this shouldn't matter as much in practice because:
1. Salsa has a fast-path when only using 1 DB instance which is the
common case in production. This fast-path is not impacted by the changes
but we measure the slow paths in our benchmarks (because we use multiple
db instances)
2. Fixing the 10x slowdown for the congested case (multi threading)
outweights the downsides of a 10% perf regression for single threaded
use cases, especially considering that ty is heavily multi threaded.
## Test Plan
`cargo test`
## Summary
Extracts the vendored typeshed stubs lazily and caches them on the local
filesystem to support go-to in the LSP.
Resolves https://github.com/astral-sh/ty/issues/77.
This PR contains the following updates:
| Package | Type | Update | Change |
|---|---|---|---|
| [get-size2](https://redirect.github.com/bircni/get-size2) |
workspace.dependencies | patch | `0.5.0` -> `0.5.1` |
---
> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
Dashboard for more information.
---
### Release Notes
<details>
<summary>bircni/get-size2 (get-size2)</summary>
###
[`v0.5.1`](https://redirect.github.com/bircni/get-size2/blob/HEAD/CHANGELOG.md#051---2025-06-25)
[Compare
Source](https://redirect.github.com/bircni/get-size2/compare/0.5.0...0.5.1)
##### Bug Fixes
- correctly determine size for enums
([#​24](https://redirect.github.com/bircni/get-size2/issues/24)) -
([3c5bd18](3c5bd18cac))
- Nicolas
##### Miscellaneous Chores
- add top-level `heap_size` function
([#​25](https://redirect.github.com/bircni/get-size2/issues/25)) -
([f3b5e6e](f3b5e6e38c))
- Ibraheem Ahmed
##### Build
- update to newer cargo-verset to set dependency version automatically -
([b1154e4](b1154e4572))
- Nicolas
</details>
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## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
As discussed on Slack, there was an issue with the walltime metrics with
`divan`. The issue was fixed with the latest version of `cargo-codspeed`
and `codpseed-divan-compat`:
https://github.com/CodSpeedHQ/codspeed-rust/releases/tag/v3.0.0.
This PR updates all crates related to CodSpeed. A performance increase
of the following benchmarks is expected, as now the correct metric will
be used.
```
crates/ruff_benchmark/benches/ty_walltime.rs::multithreaded[pydantic]
crates/ruff_benchmark/benches/ty_walltime.rs::small[altair]
crates/ruff_benchmark/benches/ty_walltime.rs::small[freqtrade]
crates/ruff_benchmark/benches/ty_walltime.rs::small[pydantic]
crates/ruff_benchmark/benches/ty_walltime.rs::small[tanjun]
```
Once this is merged, we will update the historic data of the affected
benchmark on the CodSpeed UI, so that no false positives will appear.
This PR contains the following updates:
| Package | Type | Update | Change |
|---|---|---|---|
| [clearscreen](https://redirect.github.com/watchexec/clearscreen) |
workspace.dependencies | patch | `4.0.1` -> `4.0.2` |
---
> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
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---
### Release Notes
<details>
<summary>watchexec/clearscreen (clearscreen)</summary>
###
[`v4.0.2`](https://redirect.github.com/watchexec/clearscreen/blob/HEAD/CHANGELOG.md#v402-2025-06-25)
[Compare
Source](https://redirect.github.com/watchexec/clearscreen/compare/v4.0.1...v4.0.2)
- **Deps:** Upgrade which from 7.0.2 to 8.0.0
([#​34](https://redirect.github.com/watchexec/clearscreen/issues/34))
-
([09bc029](09bc0299f4))
</details>
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This PR contains the following updates:
| Package | Type | Update | Change |
|---|---|---|---|
| [ordermap](https://redirect.github.com/indexmap-rs/ordermap) |
workspace.dependencies | patch | `0.5.7` -> `0.5.8` |
---
> [!WARNING]
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### Release Notes
<details>
<summary>indexmap-rs/ordermap (ordermap)</summary>
###
[`v0.5.8`](https://redirect.github.com/indexmap-rs/ordermap/blob/HEAD/RELEASES.md#058-2025-06-26)
[Compare
Source](https://redirect.github.com/indexmap-rs/ordermap/compare/0.5.7...0.5.8)
- Added `extract_if` methods to `OrderMap` and `OrderSet`, similar to
the
methods for `HashMap` and `HashSet` with ranges like `Vec::extract_if`.
- Added more `#[track_caller]` annotations to functions that may panic.
</details>
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This PR contains the following updates:
| Package | Type | Update | Change |
|---|---|---|---|
| [indexmap](https://redirect.github.com/indexmap-rs/indexmap) |
workspace.dependencies | minor | `2.9.0` -> `2.10.0` |
---
> [!WARNING]
> Some dependencies could not be looked up. Check the Dependency
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### Release Notes
<details>
<summary>indexmap-rs/indexmap (indexmap)</summary>
###
[`v2.10.0`](https://redirect.github.com/indexmap-rs/indexmap/blob/HEAD/RELEASES.md#2100-2025-06-26)
[Compare
Source](https://redirect.github.com/indexmap-rs/indexmap/compare/2.9.0...2.10.0)
- Added `extract_if` methods to `IndexMap` and `IndexSet`, similar to
the
methods for `HashMap` and `HashSet` with ranges like `Vec::extract_if`.
- Added more `#[track_caller]` annotations to functions that may panic.
</details>
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## Summary
I think this should be the last step before combining `OldDiagnostic`
and `ruff_db::Diagnostic`. We can't store a `NoqaCode` on
`ruff_db::Diagnostic`, so I converted the `noqa_code` field to an
`Option<String>` and then propagated this change to all of the callers.
I tried to use `&str` everywhere it was possible, so I think the
remaining `to_string` calls are necessary. I spent some time trying to
convert _everything_ to `&str` but ran into lifetime issues, especially
in the `FixTable`. Maybe we can take another look at that if it causes a
performance regression, but hopefully these paths aren't too hot. We
also avoid some `to_string` calls, so it might even out a bit too.
## Test Plan
Existing tests
---------
Co-authored-by: Micha Reiser <micha@reiser.io>
## Summary
Setting `TY_MEMORY_REPORT=full` will generate and print a memory usage
report to the CLI after a `ty check` run:
```
=======SALSA STRUCTS=======
`Definition` metadata=7.24MB fields=17.38MB count=181062
`Expression` metadata=4.45MB fields=5.94MB count=92804
`member_lookup_with_policy_::interned_arguments` metadata=1.97MB fields=2.25MB count=35176
...
=======SALSA QUERIES=======
`File -> ty_python_semantic::semantic_index::SemanticIndex`
metadata=11.46MB fields=88.86MB count=1638
`Definition -> ty_python_semantic::types::infer::TypeInference`
metadata=24.52MB fields=86.68MB count=146018
`File -> ruff_db::parsed::ParsedModule`
metadata=0.12MB fields=69.06MB count=1642
...
=======SALSA SUMMARY=======
TOTAL MEMORY USAGE: 577.61MB
struct metadata = 29.00MB
struct fields = 35.68MB
memo metadata = 103.87MB
memo fields = 409.06MB
```
Eventually, we should integrate these numbers into CI in some form. The
one limitation currently is that heap allocations in salsa structs (e.g.
interned values) are not tracked, but memoized values should have full
coverage. We may also want a peak memory usage counter (that accounts
for non-salsa memory), but that is relatively simple to profile manually
(e.g. `time -v ty check`) and would require a compile-time option to
avoid runtime overhead.
Brent Westbrook
renovate[bot]
Micha Reiser
Dhruv Manilawala
Charlie Marsh
Aria Desires
Douglas Creager
Ibraheem Ahmed
Dylan
UnboundVariable
Adrien Cacciaguerra