mirrors/ruff
1
0
Fork 0
mirror of https://github.com/astral-sh/ruff.git synced 2025-09-29 13:24:57 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 3

[ty] Add positional-only-parameter-as-kwarg error (#20495)

Browse source
This commit is contained in:
fgiacome 2025-09-23 16:10:45 +02:00 • committed by GitHub
parent 2c916562ba
commit 4ed8c65d29
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
7 changed files with 192 additions and 76 deletions
Download patch file Download diff file Expand all files Collapse all files

153
crates/ty/docs/rules.md generated
View file

@ -36,7 +36,7 @@ def test(): -> "int":
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20call-non-callable) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20call-non-callable) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L113) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L114)
</small> </small>
**What it does** **What it does**
@ -58,7 +58,7 @@ Calling a non-callable object will raise a `TypeError` at runtime.
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20conflicting-argument-forms) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20conflicting-argument-forms) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L157) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L158)
</small> </small>
**What it does** **What it does**
@ -88,7 +88,7 @@ f(int) # error
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20conflicting-declarations) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20conflicting-declarations) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L183) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L184)
</small> </small>
**What it does** **What it does**
@ -117,7 +117,7 @@ a = 1
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20conflicting-metaclass) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20conflicting-metaclass) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L208) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L209)
</small> </small>
**What it does** **What it does**
@ -147,7 +147,7 @@ class C(A, B): ...
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20cyclic-class-definition) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20cyclic-class-definition) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L234) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L235)
</small> </small>
**What it does** **What it does**
@ -177,7 +177,7 @@ class B(A): ...
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20duplicate-base) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20duplicate-base) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L299) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L300)
</small> </small>
**What it does** **What it does**
@ -202,7 +202,7 @@ class B(A, A): ...
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20duplicate-kw-only) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20duplicate-kw-only) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L320) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L321)
</small> </small>
**What it does** **What it does**
@ -306,7 +306,7 @@ def test(): -> "Literal[5]":
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20inconsistent-mro) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20inconsistent-mro) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L523) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L524)
</small> </small>
**What it does** **What it does**
@ -334,7 +334,7 @@ class C(A, B): ...
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20index-out-of-bounds) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20index-out-of-bounds) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L547) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L548)
</small> </small>
**What it does** **What it does**
@ -358,7 +358,7 @@ t[3] # IndexError: tuple index out of range
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20instance-layout-conflict) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20instance-layout-conflict) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L352) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L353)
</small> </small>
**What it does** **What it does**
@ -445,7 +445,7 @@ an atypical memory layout.
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-argument-type) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-argument-type) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L592) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L593)
</small> </small>
**What it does** **What it does**
@ -470,7 +470,7 @@ func("foo") # error: [invalid-argument-type]
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-assignment) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-assignment) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L632) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L633)
</small> </small>
**What it does** **What it does**
@ -496,7 +496,7 @@ a: int = ''
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-attribute-access) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-attribute-access) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1666) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1688)
</small> </small>
**What it does** **What it does**
@ -528,7 +528,7 @@ C.instance_var = 3 # error: Cannot assign to instance variable
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-await) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-await) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L654) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L655)
</small> </small>
**What it does** **What it does**
@ -562,7 +562,7 @@ asyncio.run(main())
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-base) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-base) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L684) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L685)
</small> </small>
**What it does** **What it does**
@ -584,7 +584,7 @@ class A(42): ... # error: [invalid-base]
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-context-manager) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-context-manager) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L735) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L736)
</small> </small>
**What it does** **What it does**
@ -609,7 +609,7 @@ with 1:
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-declaration) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-declaration) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L756) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L757)
</small> </small>
**What it does** **What it does**
@ -636,7 +636,7 @@ a: str
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-exception-caught) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-exception-caught) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L779) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L780)
</small> </small>
**What it does** **What it does**
@ -678,7 +678,7 @@ except ZeroDivisionError:
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-generic-class) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-generic-class) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L815) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L816)
</small> </small>
**What it does** **What it does**
@ -709,7 +709,7 @@ class C[U](Generic[T]): ...
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-key) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-key) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L567) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L568)
</small> </small>
**What it does** **What it does**
@ -738,7 +738,7 @@ alice["height"] # KeyError: 'height'
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-legacy-type-variable) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-legacy-type-variable) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L841) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L842)
</small> </small>
**What it does** **What it does**
@ -771,7 +771,7 @@ def f(t: TypeVar("U")): ...
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-metaclass) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-metaclass) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L890) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L891)
</small> </small>
**What it does** **What it does**
@ -803,7 +803,7 @@ class B(metaclass=f): ...
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-named-tuple) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-named-tuple) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L497) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L498)
</small> </small>
**What it does** **What it does**
@ -833,7 +833,7 @@ TypeError: can only inherit from a NamedTuple type and Generic
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-overload) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-overload) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L917) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L918)
</small> </small>
**What it does** **What it does**
@ -881,7 +881,7 @@ def foo(x: int) -> int: ...
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-parameter-default) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-parameter-default) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L960) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L961)
</small> </small>
**What it does** **What it does**
@ -905,7 +905,7 @@ def f(a: int = ''): ...
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-protocol) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-protocol) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L434) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L435)
</small> </small>
**What it does** **What it does**
@ -937,7 +937,7 @@ TypeError: Protocols can only inherit from other protocols, got <class 'int'>
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-raise) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-raise) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L980) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L981)
</small> </small>
Checks for `raise` statements that raise non-exceptions or use invalid Checks for `raise` statements that raise non-exceptions or use invalid
@ -984,7 +984,7 @@ def g():
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-return-type) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-return-type) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L613) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L614)
</small> </small>
**What it does** **What it does**
@ -1007,7 +1007,7 @@ def func() -> int:
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-super-argument) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-super-argument) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1023) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1024)
</small> </small>
**What it does** **What it does**
@ -1061,7 +1061,7 @@ TODO #14889
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-type-alias-type) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-type-alias-type) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L869) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L870)
</small> </small>
**What it does** **What it does**
@ -1086,7 +1086,7 @@ NewAlias = TypeAliasType(get_name(), int) # error: TypeAliasType name mus
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-type-checking-constant) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-type-checking-constant) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1062) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1063)
</small> </small>
**What it does** **What it does**
@ -1114,7 +1114,7 @@ TYPE_CHECKING = ''
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-type-form) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-type-form) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1086) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1087)
</small> </small>
**What it does** **What it does**
@ -1142,7 +1142,7 @@ b: Annotated[int] # `Annotated` expects at least two arguments
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-type-guard-call) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-type-guard-call) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1138) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1139)
</small> </small>
**What it does** **What it does**
@ -1174,7 +1174,7 @@ f(10) # Error
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-type-guard-definition) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-type-guard-definition) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1110) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1111)
</small> </small>
**What it does** **What it does**
@ -1206,7 +1206,7 @@ class C:
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-type-variable-constraints) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20invalid-type-variable-constraints) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1166) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1167)
</small> </small>
**What it does** **What it does**
@ -1239,7 +1239,7 @@ T = TypeVar('T', bound=str) # valid bound TypeVar
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20missing-argument) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20missing-argument) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1195) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1196)
</small> </small>
**What it does** **What it does**
@ -1262,7 +1262,7 @@ func() # TypeError: func() missing 1 required positional argument: 'x'
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20missing-typed-dict-key) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20missing-typed-dict-key) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1765) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1787)
</small> </small>
**What it does** **What it does**
@ -1293,7 +1293,7 @@ alice["age"] # KeyError
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20no-matching-overload) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20no-matching-overload) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1214) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1215)
</small> </small>
**What it does** **What it does**
@ -1320,7 +1320,7 @@ func("string") # error: [no-matching-overload]
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20non-subscriptable) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20non-subscriptable) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1237) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1238)
</small> </small>
**What it does** **What it does**
@ -1342,7 +1342,7 @@ Subscripting an object that does not support it will raise a `TypeError` at runt
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20not-iterable) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20not-iterable) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1255) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1256)
</small> </small>
**What it does** **What it does**
@ -1366,7 +1366,7 @@ for i in 34: # TypeError: 'int' object is not iterable
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20parameter-already-assigned) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20parameter-already-assigned) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1306) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1307)
</small> </small>
**What it does** **What it does**
@ -1386,6 +1386,31 @@ def f(x: int) -> int: ...
f(1, x=2) # Error raised here f(1, x=2) # Error raised here
``` ```
## `positional-only-parameter-as-kwarg`
<small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20positional-only-parameter-as-kwarg) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1542)
</small>
**What it does**
Checks for keyword arguments in calls that match positional-only parameters of the callable.
**Why is this bad?**
Providing a positional-only parameter as a keyword argument will raise `TypeError` at runtime.
**Example**
```python
def f(x: int, /) -> int: ...
f(x=1) # Error raised here
```
## `raw-string-type-annotation` ## `raw-string-type-annotation`
<small> <small>
@ -1420,7 +1445,7 @@ def test(): -> "int":
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20static-assert-error) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20static-assert-error) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1642) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1664)
</small> </small>
**What it does** **What it does**
@ -1448,7 +1473,7 @@ static_assert(int(2.0 * 3.0) == 6) # error: does not have a statically known tr
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20subclass-of-final-class) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20subclass-of-final-class) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1397) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1398)
</small> </small>
**What it does** **What it does**
@ -1475,7 +1500,7 @@ class B(A): ... # Error raised here
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20too-many-positional-arguments) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20too-many-positional-arguments) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1442) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1443)
</small> </small>
**What it does** **What it does**
@ -1500,7 +1525,7 @@ f("foo") # Error raised here
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20type-assertion-failure) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20type-assertion-failure) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1420) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1421)
</small> </small>
**What it does** **What it does**
@ -1526,7 +1551,7 @@ def _(x: int):
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20unavailable-implicit-super-arguments) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20unavailable-implicit-super-arguments) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1463) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1464)
</small> </small>
**What it does** **What it does**
@ -1570,7 +1595,7 @@ class A:
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20unknown-argument) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20unknown-argument) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1520) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1521)
</small> </small>
**What it does** **What it does**
@ -1595,7 +1620,7 @@ f(x=1, y=2) # Error raised here
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20unresolved-attribute) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20unresolved-attribute) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1541) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1563)
</small> </small>
**What it does** **What it does**
@ -1621,7 +1646,7 @@ A().foo # AttributeError: 'A' object has no attribute 'foo'
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20unresolved-import) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20unresolved-import) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1563) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1585)
</small> </small>
**What it does** **What it does**
@ -1644,7 +1669,7 @@ import foo # ModuleNotFoundError: No module named 'foo'
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20unresolved-reference) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20unresolved-reference) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1582) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1604)
</small> </small>
**What it does** **What it does**
@ -1667,7 +1692,7 @@ print(x) # NameError: name 'x' is not defined
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20unsupported-bool-conversion) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20unsupported-bool-conversion) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1275) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1276)
</small> </small>
**What it does** **What it does**
@ -1702,7 +1727,7 @@ b1 < b2 < b1 # exception raised here
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20unsupported-operator) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20unsupported-operator) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1601) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1623)
</small> </small>
**What it does** **What it does**
@ -1728,7 +1753,7 @@ A() + A() # TypeError: unsupported operand type(s) for +: 'A' and 'A'
<small> <small>
Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") · Default level: [`error`](../rules.md#rule-levels "This lint has a default level of 'error'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20zero-stepsize-in-slice) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20zero-stepsize-in-slice) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1623) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1645)
</small> </small>
**What it does** **What it does**
@ -1751,7 +1776,7 @@ l[1:10:0] # ValueError: slice step cannot be zero
<small> <small>
Default level: [`warn`](../rules.md#rule-levels "This lint has a default level of 'warn'.") · Default level: [`warn`](../rules.md#rule-levels "This lint has a default level of 'warn'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20ambiguous-protocol-member) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20ambiguous-protocol-member) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L462) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L463)
</small> </small>
**What it does** **What it does**
@ -1790,7 +1815,7 @@ class SubProto(BaseProto, Protocol):
<small> <small>
Default level: [`warn`](../rules.md#rule-levels "This lint has a default level of 'warn'.") · Default level: [`warn`](../rules.md#rule-levels "This lint has a default level of 'warn'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20deprecated) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20deprecated) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L278) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L279)
</small> </small>
**What it does** **What it does**
@ -1843,7 +1868,7 @@ a = 20 / 0 # type: ignore
<small> <small>
Default level: [`warn`](../rules.md#rule-levels "This lint has a default level of 'warn'.") · Default level: [`warn`](../rules.md#rule-levels "This lint has a default level of 'warn'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20possibly-unbound-attribute) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20possibly-unbound-attribute) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1327) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1328)
</small> </small>
**What it does** **What it does**
@ -1869,7 +1894,7 @@ A.c # AttributeError: type object 'A' has no attribute 'c'
<small> <small>
Default level: [`warn`](../rules.md#rule-levels "This lint has a default level of 'warn'.") · Default level: [`warn`](../rules.md#rule-levels "This lint has a default level of 'warn'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20possibly-unbound-implicit-call) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20possibly-unbound-implicit-call) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L131) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L132)
</small> </small>
**What it does** **What it does**
@ -1899,7 +1924,7 @@ A()[0] # TypeError: 'A' object is not subscriptable
<small> <small>
Default level: [`warn`](../rules.md#rule-levels "This lint has a default level of 'warn'.") · Default level: [`warn`](../rules.md#rule-levels "This lint has a default level of 'warn'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20possibly-unbound-import) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20possibly-unbound-import) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1349) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1350)
</small> </small>
**What it does** **What it does**
@ -1929,7 +1954,7 @@ from module import a # ImportError: cannot import name 'a' from 'module'
<small> <small>
Default level: [`warn`](../rules.md#rule-levels "This lint has a default level of 'warn'.") · Default level: [`warn`](../rules.md#rule-levels "This lint has a default level of 'warn'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20redundant-cast) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20redundant-cast) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1694) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1716)
</small> </small>
**What it does** **What it does**
@ -1954,7 +1979,7 @@ cast(int, f()) # Redundant
<small> <small>
Default level: [`warn`](../rules.md#rule-levels "This lint has a default level of 'warn'.") · Default level: [`warn`](../rules.md#rule-levels "This lint has a default level of 'warn'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20undefined-reveal) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20undefined-reveal) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1502) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1503)
</small> </small>
**What it does** **What it does**
@ -2005,7 +2030,7 @@ a = 20 / 0 # ty: ignore[division-by-zero]
<small> <small>
Default level: [`warn`](../rules.md#rule-levels "This lint has a default level of 'warn'.") · Default level: [`warn`](../rules.md#rule-levels "This lint has a default level of 'warn'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20unresolved-global) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20unresolved-global) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1715) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1737)
</small> </small>
**What it does** **What it does**
@ -2059,7 +2084,7 @@ def g():
<small> <small>
Default level: [`warn`](../rules.md#rule-levels "This lint has a default level of 'warn'.") · Default level: [`warn`](../rules.md#rule-levels "This lint has a default level of 'warn'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20unsupported-base) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20unsupported-base) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L702) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L703)
</small> </small>
**What it does** **What it does**
@ -2096,7 +2121,7 @@ class D(C): ... # error: [unsupported-base]
<small> <small>
Default level: [`ignore`](../rules.md#rule-levels "This lint has a default level of 'ignore'.") · Default level: [`ignore`](../rules.md#rule-levels "This lint has a default level of 'ignore'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20division-by-zero) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20division-by-zero) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L260) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L261)
</small> </small>
**What it does** **What it does**
@ -2118,7 +2143,7 @@ Dividing by zero raises a `ZeroDivisionError` at runtime.
<small> <small>
Default level: [`ignore`](../rules.md#rule-levels "This lint has a default level of 'ignore'.") · Default level: [`ignore`](../rules.md#rule-levels "This lint has a default level of 'ignore'.") ·
[Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20possibly-unresolved-reference) · [Related issues](https://github.com/astral-sh/ty/issues?q=sort%3Aupdated-desc%20is%3Aissue%20is%3Aopen%20possibly-unresolved-reference) ·
[View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1375) [View source](https://github.com/astral-sh/ruff/blob/main/crates%2Fty_python_semantic%2Fsrc%2Ftypes%2Fdiagnostic.rs#L1376)
</small> </small>
**What it does** **What it does**

9
crates/ty_python_semantic/resources/mdtest/call/function.md
View file

@ -90,8 +90,7 @@ still continue to use the old convention, so it is supported by ty as well.
def f(__x: int): ... def f(__x: int): ...
f(1) f(1)
# error: [missing-argument] # error: [positional-only-parameter-as-kwarg]
# error: [unknown-argument]
f(__x=1) f(__x=1)
``` ```
@ -131,11 +130,9 @@ class C:
@staticmethod @staticmethod
def static_method(self, __x: int): ... def static_method(self, __x: int): ...
# error: [missing-argument] # error: [positional-only-parameter-as-kwarg]
# error: [unknown-argument]
C().method(__x=1) C().method(__x=1)
# error: [missing-argument] # error: [positional-only-parameter-as-kwarg]
# error: [unknown-argument]
C.class_method(__x="1") C.class_method(__x="1")
C.static_method("x", __x=42) # fine C.static_method("x", __x=42) # fine
``` ```

62
crates/ty_python_semantic/src/types/call/bind.rs
View file

@ -19,8 +19,8 @@ use crate::place::{Boundness, Place};
use crate::types::call::arguments::{Expansion, is_expandable_type}; use crate::types::call::arguments::{Expansion, is_expandable_type};
use crate::types::diagnostic::{ use crate::types::diagnostic::{
CALL_NON_CALLABLE, CONFLICTING_ARGUMENT_FORMS, INVALID_ARGUMENT_TYPE, MISSING_ARGUMENT, CALL_NON_CALLABLE, CONFLICTING_ARGUMENT_FORMS, INVALID_ARGUMENT_TYPE, MISSING_ARGUMENT,
NO_MATCHING_OVERLOAD, PARAMETER_ALREADY_ASSIGNED, TOO_MANY_POSITIONAL_ARGUMENTS, NO_MATCHING_OVERLOAD, PARAMETER_ALREADY_ASSIGNED, POSITIONAL_ONLY_PARAMETER_AS_KWARG,
UNKNOWN_ARGUMENT, TOO_MANY_POSITIONAL_ARGUMENTS, UNKNOWN_ARGUMENT,
}; };
use crate::types::enums::is_enum_class; use crate::types::enums::is_enum_class;
use crate::types::function::{ use crate::types::function::{
@ -1991,6 +1991,7 @@ struct ArgumentMatcher<'a, 'db> {
argument_matches: Vec<MatchedArgument<'db>>, argument_matches: Vec<MatchedArgument<'db>>,
parameter_matched: Vec<bool>, parameter_matched: Vec<bool>,
suppress_missing_error: Vec<bool>,
next_positional: usize, next_positional: usize,
first_excess_positional: Option<usize>, first_excess_positional: Option<usize>,
num_synthetic_args: usize, num_synthetic_args: usize,
@ -2009,6 +2010,7 @@ impl<'a, 'db> ArgumentMatcher<'a, 'db> {
errors, errors,
argument_matches: vec![MatchedArgument::default(); arguments.len()], argument_matches: vec![MatchedArgument::default(); arguments.len()],
parameter_matched: vec![false; parameters.len()], parameter_matched: vec![false; parameters.len()],
suppress_missing_error: vec![false; parameters.len()],
next_positional: 0, next_positional: 0,
first_excess_positional: None, first_excess_positional: None,
num_synthetic_args: 0, num_synthetic_args: 0,
@ -2105,10 +2107,21 @@ impl<'a, 'db> ArgumentMatcher<'a, 'db> {
.keyword_by_name(name) .keyword_by_name(name)
.or_else(|| self.parameters.keyword_variadic()) .or_else(|| self.parameters.keyword_variadic())
else { else {
self.errors.push(BindingError::UnknownArgument { if let Some((parameter_index, parameter)) =
argument_name: ast::name::Name::new(name), self.parameters.positional_only_by_name(name)
argument_index: self.get_argument_index(argument_index), {
}); self.errors
.push(BindingError::PositionalOnlyParameterAsKwarg {
argument_index: self.get_argument_index(argument_index),
parameter: ParameterContext::new(parameter, parameter_index, true),
});
self.suppress_missing_error[parameter_index] = true;
} else {
self.errors.push(BindingError::UnknownArgument {
argument_name: ast::name::Name::new(name),
argument_index: self.get_argument_index(argument_index),
});
}
return Err(()); return Err(());
}; };
self.assign_argument( self.assign_argument(
@ -2223,6 +2236,9 @@ impl<'a, 'db> ArgumentMatcher<'a, 'db> {
let mut missing = vec![]; let mut missing = vec![];
for (index, matched) in self.parameter_matched.iter().copied().enumerate() { for (index, matched) in self.parameter_matched.iter().copied().enumerate() {
if !matched { if !matched {
if self.suppress_missing_error[index] {
continue;
}
let param = &self.parameters[index]; let param = &self.parameters[index];
if param.is_variadic() if param.is_variadic()
|| param.is_keyword_variadic() || param.is_keyword_variadic()
@ -3094,6 +3110,11 @@ pub(crate) enum BindingError<'db> {
argument_name: ast::name::Name, argument_name: ast::name::Name,
argument_index: Option<usize>, argument_index: Option<usize>,
}, },
/// A positional-only parameter is passed as keyword argument.
PositionalOnlyParameterAsKwarg {
argument_index: Option<usize>,
parameter: ParameterContext,
},
/// More positional arguments are provided in the call than can be handled by the signature. /// More positional arguments are provided in the call than can be handled by the signature.
TooManyPositionalArguments { TooManyPositionalArguments {
first_excess_argument_index: Option<usize>, first_excess_argument_index: Option<usize>,
@ -3349,6 +3370,35 @@ impl<'db> BindingError<'db> {
} }
} }
Self::PositionalOnlyParameterAsKwarg {
argument_index,
parameter,
} => {
let node = Self::get_node(node, *argument_index);
if let Some(builder) =
context.report_lint(&POSITIONAL_ONLY_PARAMETER_AS_KWARG, node)
{
let mut diag = builder.into_diagnostic(format_args!(
"Positional-only parameter {parameter} passed as keyword argument{}",
if let Some(CallableDescription { kind, name }) = callable_description {
format!(" of {kind} `{name}`")
} else {
String::new()
}
));
if let Some(union_diag) = union_diag {
union_diag.add_union_context(context.db(), &mut diag);
} else if let Some(spans) = callable_ty.function_spans(context.db()) {
let mut sub = SubDiagnostic::new(
SubDiagnosticSeverity::Info,
format_args!("{callable_kind} signature here"),
);
sub.annotate(Annotation::primary(spans.signature));
diag.sub(sub);
}
}
}
Self::ParameterAlreadyAssigned { Self::ParameterAlreadyAssigned {
argument_index, argument_index,
parameter, parameter,

22
crates/ty_python_semantic/src/types/diagnostic.rs
View file

@ -89,6 +89,7 @@ pub(crate) fn register_lints(registry: &mut LintRegistryBuilder) {
registry.register_lint(&UNAVAILABLE_IMPLICIT_SUPER_ARGUMENTS); registry.register_lint(&UNAVAILABLE_IMPLICIT_SUPER_ARGUMENTS);
registry.register_lint(&UNDEFINED_REVEAL); registry.register_lint(&UNDEFINED_REVEAL);
registry.register_lint(&UNKNOWN_ARGUMENT); registry.register_lint(&UNKNOWN_ARGUMENT);
registry.register_lint(&POSITIONAL_ONLY_PARAMETER_AS_KWARG);
registry.register_lint(&UNRESOLVED_ATTRIBUTE); registry.register_lint(&UNRESOLVED_ATTRIBUTE);
registry.register_lint(&UNRESOLVED_IMPORT); registry.register_lint(&UNRESOLVED_IMPORT);
registry.register_lint(&UNRESOLVED_REFERENCE); registry.register_lint(&UNRESOLVED_REFERENCE);
@ -1538,6 +1539,27 @@ declare_lint! {
} }
} }
declare_lint! {
/// ## What it does
/// Checks for keyword arguments in calls that match positional-only parameters of the callable.
///
/// ## Why is this bad?
/// Providing a positional-only parameter as a keyword argument will raise `TypeError` at runtime.
///
/// ## Example
///
/// ```python
/// def f(x: int, /) -> int: ...
///
/// f(x=1) # Error raised here
/// ```
pub(crate) static POSITIONAL_ONLY_PARAMETER_AS_KWARG = {
summary: "detects positional-only parameters passed as keyword arguments",
status: LintStatus::preview("1.0.0"),
default_level: Level::Error,
}
}
declare_lint! { declare_lint! {
/// ## What it does /// ## What it does
/// Checks for unresolved attributes. /// Checks for unresolved attributes.

11
crates/ty_python_semantic/src/types/signatures.rs
View file

@ -1336,6 +1336,17 @@ impl<'db> Parameters<'db> {
.and_then(|parameter| parameter.is_positional().then_some(parameter)) .and_then(|parameter| parameter.is_positional().then_some(parameter))
} }
/// Return a positional-only parameter (with index) with the given name.
pub(crate) fn positional_only_by_name(&self, name: &str) -> Option<(usize, &Parameter<'db>)> {
self.iter().enumerate().find(|(_, parameter)| {
parameter.is_positional_only()
&& parameter
.name()
.map(|p_name| p_name == name)
.unwrap_or(false)
})
}
/// Return the variadic parameter (`*args`), if any, and its index, or `None`. /// Return the variadic parameter (`*args`), if any, and its index, or `None`.
pub(crate) fn variadic(&self) -> Option<(usize, &Parameter<'db>)> { pub(crate) fn variadic(&self) -> Option<(usize, &Parameter<'db>)> {
self.iter() self.iter()

1
crates/ty_server/tests/e2e/snapshots/e2e__commands__debug_command.snap
View file

@ -77,6 +77,7 @@ Settings: Settings {
"non-subscriptable": Error (Default), "non-subscriptable": Error (Default),
"not-iterable": Error (Default), "not-iterable": Error (Default),
"parameter-already-assigned": Error (Default), "parameter-already-assigned": Error (Default),
"positional-only-parameter-as-kwarg": Error (Default),
"possibly-unbound-attribute": Warning (Default), "possibly-unbound-attribute": Warning (Default),
"possibly-unbound-implicit-call": Warning (Default), "possibly-unbound-implicit-call": Warning (Default),
"possibly-unbound-import": Warning (Default), "possibly-unbound-import": Warning (Default),

10
ty.schema.json generated
View file

@ -785,6 +785,16 @@
} }
] ]
}, },
"positional-only-parameter-as-kwarg": {
"title": "detects positional-only parameters passed as keyword arguments",
"description": "## What it does\nChecks for keyword arguments in calls that match positional-only parameters of the callable.\n\n## Why is this bad?\nProviding a positional-only parameter as a keyword argument will raise `TypeError` at runtime.\n\n## Example\n\n```python\ndef f(x: int, /) -> int: ...\n\nf(x=1) # Error raised here\n```",
"default": "error",
"oneOf": [
{
"$ref": "#/definitions/Level"
}
]
},
"possibly-unbound-attribute": { "possibly-unbound-attribute": {
"title": "detects references to possibly unbound attributes", "title": "detects references to possibly unbound attributes",
"description": "## What it does\nChecks for possibly unbound attributes.\n\n## Why is this bad?\nAttempting to access an unbound attribute will raise an `AttributeError` at runtime.\n\n## Examples\n```python\nclass A:\n if b:\n c = 0\n\nA.c # AttributeError: type object 'A' has no attribute 'c'\n```", "description": "## What it does\nChecks for possibly unbound attributes.\n\n## Why is this bad?\nAttempting to access an unbound attribute will raise an `AttributeError` at runtime.\n\n## Examples\n```python\nclass A:\n if b:\n c = 0\n\nA.c # AttributeError: type object 'A' has no attribute 'c'\n```",