[flake8-pyi] Improve autofix safety for redundant-none-literal (PYI061) (#14583)

Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
This commit is contained in:
Simon Brugman 2024-11-25 18:40:57 +01:00 committed by GitHub
parent e8fce20736
commit c606bf014e
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GPG key ID: B5690EEEBB952194
5 changed files with 505 additions and 137 deletions

View file

@ -1,4 +1,4 @@
from typing import Literal
from typing import Literal, Union
def func1(arg1: Literal[None]):
@ -17,7 +17,7 @@ def func4(arg1: Literal[int, None, float]):
...
def func5(arg1: Literal[None, None]):
def func5(arg1: Literal[None, None]):
...
@ -25,13 +25,21 @@ def func6(arg1: Literal[
"hello",
None # Comment 1
, "world"
]):
]):
...
def func7(arg1: Literal[
None # Comment 1
]):
]):
...
def func8(arg1: Literal[None] | None):
...
def func9(arg1: Union[Literal[None], None]):
...
@ -58,3 +66,16 @@ Literal[1, None, "foo", None] # Y061 None inside "Literal[]" expression. Replac
# and there are no None members in the Literal[] slice,
# only emit Y062:
Literal[None, True, None, True] # Y062 Duplicate "Literal[]" member "True"
# Regression tests for https://github.com/astral-sh/ruff/issues/14567
x: Literal[None] | None
y: None | Literal[None]
z: Union[Literal[None], None]
a: int | Literal[None] | None
b: None | Literal[None] | None
c: (None | Literal[None]) | None
d: None | (Literal[None] | None)
e: None | ((None | Literal[None]) | None) | None
f: Literal[None] | Literal[None]

View file

@ -1,4 +1,4 @@
from typing import Literal
from typing import Literal, Union
def func1(arg1: Literal[None]): ...
@ -28,6 +28,12 @@ def func7(arg1: Literal[
]): ...
def func8(arg1: Literal[None] | None):...
def func9(arg1: Union[Literal[None], None]): ...
# OK
def good_func(arg1: Literal[int] | None): ...
@ -35,3 +41,16 @@ def good_func(arg1: Literal[int] | None): ...
# From flake8-pyi
Literal[None] # PYI061 None inside "Literal[]" expression. Replace with "None"
Literal[True, None] # PYI061 None inside "Literal[]" expression. Replace with "Literal[True] | None"
# Regression tests for https://github.com/astral-sh/ruff/issues/14567
x: Literal[None] | None
y: None | Literal[None]
z: Union[Literal[None], None]
a: int | Literal[None] | None
b: None | Literal[None] | None
c: (None | Literal[None]) | None
d: None | (Literal[None] | None)
e: None | ((None | Literal[None]) | None) | None
f: Literal[None] | Literal[None]

View file

@ -1,7 +1,10 @@
use ruff_diagnostics::{Applicability, Diagnostic, Edit, Fix, FixAvailability, Violation};
use ruff_macros::{derive_message_formats, violation};
use ruff_python_ast::{Expr, ExprNoneLiteral};
use ruff_python_semantic::analyze::typing::traverse_literal;
use ruff_python_ast::{Expr, ExprBinOp, ExprNoneLiteral, ExprSubscript, Operator};
use ruff_python_semantic::{
analyze::typing::{traverse_literal, traverse_union},
SemanticModel,
};
use ruff_text_size::Ranged;
use smallvec::SmallVec;
@ -31,6 +34,9 @@ use crate::checkers::ast::Checker;
/// Literal[1, 2, 3, "foo", 5] | None
/// ```
///
/// ## Fix safety
/// This rule's fix is marked as safe unless the literal contains comments.
///
/// ## References
/// - [Typing documentation: Legal parameters for `Literal` at type check time](https://typing.readthedocs.io/en/latest/spec/literal.html#legal-parameters-for-literal-at-type-check-time)
#[violation]
@ -87,14 +93,16 @@ pub(crate) fn redundant_none_literal<'a>(checker: &mut Checker, literal_expr: &'
let fix = if other_literal_elements_seen {
None
} else {
Some(Fix::applicable_edit(
Edit::range_replacement("None".to_string(), literal_expr.range()),
if checker.comment_ranges().intersects(literal_expr.range()) {
Applicability::Unsafe
} else {
Applicability::Safe
},
))
create_fix_edit(checker.semantic(), literal_expr).map(|edit| {
Fix::applicable_edit(
edit,
if checker.comment_ranges().intersects(literal_expr.range()) {
Applicability::Unsafe
} else {
Applicability::Safe
},
)
})
};
for none_expr in none_exprs {
@ -110,3 +118,47 @@ pub(crate) fn redundant_none_literal<'a>(checker: &mut Checker, literal_expr: &'
checker.diagnostics.push(diagnostic);
}
}
fn create_fix_edit(semantic: &SemanticModel, literal_expr: &Expr) -> Option<Edit> {
let mut enclosing_union = None;
for expr in semantic.current_expressions().skip(1).take_while(|expr| {
matches!(
expr,
Expr::BinOp(ExprBinOp {
op: Operator::BitOr,
..
})
)
}) {
enclosing_union = Some(expr);
}
let mut is_fixable = true;
if let Some(enclosing_union) = enclosing_union {
traverse_union(
&mut |expr, _| {
if matches!(expr, Expr::NoneLiteral(_)) {
is_fixable = false;
}
if expr != literal_expr {
if let Expr::Subscript(ExprSubscript { value, slice, .. }) = expr {
if semantic.match_typing_expr(value, "Literal")
&& matches!(**slice, Expr::NoneLiteral(_))
{
is_fixable = false;
}
}
}
},
semantic,
enclosing_union,
);
}
// Avoid producing code that would raise an exception when
// `Literal[None] | None` would be fixed to `None | None`.
// Instead do not provide a fix. No action needed for `typing.Union`,
// as `Union[None, None]` is valid Python.
// See https://github.com/astral-sh/ruff/issues/14567.
is_fixable.then(|| Edit::range_replacement("None".to_string(), literal_expr.range()))
}

View file

@ -10,7 +10,7 @@ PYI061.py:4:25: PYI061 [*] `Literal[None]` can be replaced with `None`
= help: Replace with `None`
Safe fix
1 1 | from typing import Literal
1 1 | from typing import Literal, Union
2 2 |
3 3 |
4 |-def func1(arg1: Literal[None]):
@ -65,7 +65,7 @@ PYI061.py:16:30: PYI061 `Literal[None, ...]` can be replaced with `Literal[...]
PYI061.py:20:25: PYI061 [*] `Literal[None]` can be replaced with `None`
|
20 | def func5(arg1: Literal[None, None]):
20 | def func5(arg1: Literal[None, None]):
| ^^^^ PYI061
21 | ...
|
@ -75,15 +75,15 @@ PYI061.py:20:25: PYI061 [*] `Literal[None]` can be replaced with `None`
17 17 | ...
18 18 |
19 19 |
20 |-def func5(arg1: Literal[None, None]):
20 |+def func5(arg1: None):
20 |-def func5(arg1: Literal[None, None]):
20 |+def func5(arg1: None):
21 21 | ...
22 22 |
23 23 |
PYI061.py:20:31: PYI061 [*] `Literal[None]` can be replaced with `None`
|
20 | def func5(arg1: Literal[None, None]):
20 | def func5(arg1: Literal[None, None]):
| ^^^^ PYI061
21 | ...
|
@ -93,8 +93,8 @@ PYI061.py:20:31: PYI061 [*] `Literal[None]` can be replaced with `None`
17 17 | ...
18 18 |
19 19 |
20 |-def func5(arg1: Literal[None, None]):
20 |+def func5(arg1: None):
20 |-def func5(arg1: Literal[None, None]):
20 |+def func5(arg1: None):
21 21 | ...
22 22 |
23 23 |
@ -106,7 +106,7 @@ PYI061.py:26:5: PYI061 `Literal[None, ...]` can be replaced with `Literal[...] |
26 | None # Comment 1
| ^^^^ PYI061
27 | , "world"
28 | ]):
28 | ]):
|
= help: Replace with `Literal[...] | None`
@ -115,7 +115,7 @@ PYI061.py:33:5: PYI061 [*] `Literal[None]` can be replaced with `None`
32 | def func7(arg1: Literal[
33 | None # Comment 1
| ^^^^ PYI061
34 | ]):
34 | ]):
35 | ...
|
= help: Replace with `None`
@ -126,118 +126,256 @@ PYI061.py:33:5: PYI061 [*] `Literal[None]` can be replaced with `None`
31 31 |
32 |-def func7(arg1: Literal[
33 |- None # Comment 1
34 |- ]):
32 |+def func7(arg1: None):
34 |- ]):
32 |+def func7(arg1: None):
35 33 | ...
36 34 |
37 35 |
PYI061.py:44:9: PYI061 [*] `Literal[None]` can be replaced with `None`
PYI061.py:38:25: PYI061 `Literal[None]` can be replaced with `None`
|
43 | # From flake8-pyi
44 | Literal[None] # Y061 None inside "Literal[]" expression. Replace with "None"
| ^^^^ PYI061
45 | Literal[True, None] # Y061 None inside "Literal[]" expression. Replace with "Literal[True] | None"
|
= help: Replace with `None`
Safe fix
41 41 |
42 42 |
43 43 | # From flake8-pyi
44 |-Literal[None] # Y061 None inside "Literal[]" expression. Replace with "None"
44 |+None # Y061 None inside "Literal[]" expression. Replace with "None"
45 45 | Literal[True, None] # Y061 None inside "Literal[]" expression. Replace with "Literal[True] | None"
46 46 |
47 47 | ###
PYI061.py:45:15: PYI061 `Literal[None, ...]` can be replaced with `Literal[...] | None`
|
43 | # From flake8-pyi
44 | Literal[None] # Y061 None inside "Literal[]" expression. Replace with "None"
45 | Literal[True, None] # Y061 None inside "Literal[]" expression. Replace with "Literal[True] | None"
| ^^^^ PYI061
46 |
47 | ###
|
= help: Replace with `Literal[...] | None`
PYI061.py:54:9: PYI061 [*] `Literal[None]` can be replaced with `None`
|
52 | # If Y061 and Y062 both apply, but all the duplicate members are None,
53 | # only emit Y061...
54 | Literal[None, None] # Y061 None inside "Literal[]" expression. Replace with "None"
| ^^^^ PYI061
55 | Literal[1, None, "foo", None] # Y061 None inside "Literal[]" expression. Replace with "Literal[1, 'foo'] | None"
|
= help: Replace with `None`
Safe fix
51 51 |
52 52 | # If Y061 and Y062 both apply, but all the duplicate members are None,
53 53 | # only emit Y061...
54 |-Literal[None, None] # Y061 None inside "Literal[]" expression. Replace with "None"
54 |+None # Y061 None inside "Literal[]" expression. Replace with "None"
55 55 | Literal[1, None, "foo", None] # Y061 None inside "Literal[]" expression. Replace with "Literal[1, 'foo'] | None"
56 56 |
57 57 | # ... but if Y061 and Y062 both apply
PYI061.py:54:15: PYI061 [*] `Literal[None]` can be replaced with `None`
|
52 | # If Y061 and Y062 both apply, but all the duplicate members are None,
53 | # only emit Y061...
54 | Literal[None, None] # Y061 None inside "Literal[]" expression. Replace with "None"
| ^^^^ PYI061
55 | Literal[1, None, "foo", None] # Y061 None inside "Literal[]" expression. Replace with "Literal[1, 'foo'] | None"
|
= help: Replace with `None`
Safe fix
51 51 |
52 52 | # If Y061 and Y062 both apply, but all the duplicate members are None,
53 53 | # only emit Y061...
54 |-Literal[None, None] # Y061 None inside "Literal[]" expression. Replace with "None"
54 |+None # Y061 None inside "Literal[]" expression. Replace with "None"
55 55 | Literal[1, None, "foo", None] # Y061 None inside "Literal[]" expression. Replace with "Literal[1, 'foo'] | None"
56 56 |
57 57 | # ... but if Y061 and Y062 both apply
PYI061.py:55:12: PYI061 `Literal[None, ...]` can be replaced with `Literal[...] | None`
|
53 | # only emit Y061...
54 | Literal[None, None] # Y061 None inside "Literal[]" expression. Replace with "None"
55 | Literal[1, None, "foo", None] # Y061 None inside "Literal[]" expression. Replace with "Literal[1, 'foo'] | None"
| ^^^^ PYI061
56 |
57 | # ... but if Y061 and Y062 both apply
|
= help: Replace with `Literal[...] | None`
PYI061.py:55:25: PYI061 `Literal[None, ...]` can be replaced with `Literal[...] | None`
|
53 | # only emit Y061...
54 | Literal[None, None] # Y061 None inside "Literal[]" expression. Replace with "None"
55 | Literal[1, None, "foo", None] # Y061 None inside "Literal[]" expression. Replace with "Literal[1, 'foo'] | None"
38 | def func8(arg1: Literal[None] | None):
| ^^^^ PYI061
56 |
57 | # ... but if Y061 and Y062 both apply
39 | ...
|
= help: Replace with `None`
PYI061.py:42:31: PYI061 [*] `Literal[None]` can be replaced with `None`
|
42 | def func9(arg1: Union[Literal[None], None]):
| ^^^^ PYI061
43 | ...
|
= help: Replace with `None`
Safe fix
39 39 | ...
40 40 |
41 41 |
42 |-def func9(arg1: Union[Literal[None], None]):
42 |+def func9(arg1: Union[None, None]):
43 43 | ...
44 44 |
45 45 |
PYI061.py:52:9: PYI061 [*] `Literal[None]` can be replaced with `None`
|
51 | # From flake8-pyi
52 | Literal[None] # Y061 None inside "Literal[]" expression. Replace with "None"
| ^^^^ PYI061
53 | Literal[True, None] # Y061 None inside "Literal[]" expression. Replace with "Literal[True] | None"
|
= help: Replace with `None`
Safe fix
49 49 |
50 50 |
51 51 | # From flake8-pyi
52 |-Literal[None] # Y061 None inside "Literal[]" expression. Replace with "None"
52 |+None # Y061 None inside "Literal[]" expression. Replace with "None"
53 53 | Literal[True, None] # Y061 None inside "Literal[]" expression. Replace with "Literal[True] | None"
54 54 |
55 55 | ###
PYI061.py:53:15: PYI061 `Literal[None, ...]` can be replaced with `Literal[...] | None`
|
51 | # From flake8-pyi
52 | Literal[None] # Y061 None inside "Literal[]" expression. Replace with "None"
53 | Literal[True, None] # Y061 None inside "Literal[]" expression. Replace with "Literal[True] | None"
| ^^^^ PYI061
54 |
55 | ###
|
= help: Replace with `Literal[...] | None`
PYI061.py:60:9: PYI061 `Literal[None, ...]` can be replaced with `Literal[...] | None`
PYI061.py:62:9: PYI061 [*] `Literal[None]` can be replaced with `None`
|
58 | # and there are no None members in the Literal[] slice,
59 | # only emit Y062:
60 | Literal[None, True, None, True] # Y062 Duplicate "Literal[]" member "True"
60 | # If Y061 and Y062 both apply, but all the duplicate members are None,
61 | # only emit Y061...
62 | Literal[None, None] # Y061 None inside "Literal[]" expression. Replace with "None"
| ^^^^ PYI061
63 | Literal[1, None, "foo", None] # Y061 None inside "Literal[]" expression. Replace with "Literal[1, 'foo'] | None"
|
= help: Replace with `None`
Safe fix
59 59 |
60 60 | # If Y061 and Y062 both apply, but all the duplicate members are None,
61 61 | # only emit Y061...
62 |-Literal[None, None] # Y061 None inside "Literal[]" expression. Replace with "None"
62 |+None # Y061 None inside "Literal[]" expression. Replace with "None"
63 63 | Literal[1, None, "foo", None] # Y061 None inside "Literal[]" expression. Replace with "Literal[1, 'foo'] | None"
64 64 |
65 65 | # ... but if Y061 and Y062 both apply
PYI061.py:62:15: PYI061 [*] `Literal[None]` can be replaced with `None`
|
60 | # If Y061 and Y062 both apply, but all the duplicate members are None,
61 | # only emit Y061...
62 | Literal[None, None] # Y061 None inside "Literal[]" expression. Replace with "None"
| ^^^^ PYI061
63 | Literal[1, None, "foo", None] # Y061 None inside "Literal[]" expression. Replace with "Literal[1, 'foo'] | None"
|
= help: Replace with `None`
Safe fix
59 59 |
60 60 | # If Y061 and Y062 both apply, but all the duplicate members are None,
61 61 | # only emit Y061...
62 |-Literal[None, None] # Y061 None inside "Literal[]" expression. Replace with "None"
62 |+None # Y061 None inside "Literal[]" expression. Replace with "None"
63 63 | Literal[1, None, "foo", None] # Y061 None inside "Literal[]" expression. Replace with "Literal[1, 'foo'] | None"
64 64 |
65 65 | # ... but if Y061 and Y062 both apply
PYI061.py:63:12: PYI061 `Literal[None, ...]` can be replaced with `Literal[...] | None`
|
61 | # only emit Y061...
62 | Literal[None, None] # Y061 None inside "Literal[]" expression. Replace with "None"
63 | Literal[1, None, "foo", None] # Y061 None inside "Literal[]" expression. Replace with "Literal[1, 'foo'] | None"
| ^^^^ PYI061
64 |
65 | # ... but if Y061 and Y062 both apply
|
= help: Replace with `Literal[...] | None`
PYI061.py:63:25: PYI061 `Literal[None, ...]` can be replaced with `Literal[...] | None`
|
61 | # only emit Y061...
62 | Literal[None, None] # Y061 None inside "Literal[]" expression. Replace with "None"
63 | Literal[1, None, "foo", None] # Y061 None inside "Literal[]" expression. Replace with "Literal[1, 'foo'] | None"
| ^^^^ PYI061
64 |
65 | # ... but if Y061 and Y062 both apply
|
= help: Replace with `Literal[...] | None`
PYI061.py:68:9: PYI061 `Literal[None, ...]` can be replaced with `Literal[...] | None`
|
66 | # and there are no None members in the Literal[] slice,
67 | # only emit Y062:
68 | Literal[None, True, None, True] # Y062 Duplicate "Literal[]" member "True"
| ^^^^ PYI061
|
= help: Replace with `Literal[...] | None`
PYI061.py:60:21: PYI061 `Literal[None, ...]` can be replaced with `Literal[...] | None`
PYI061.py:68:21: PYI061 `Literal[None, ...]` can be replaced with `Literal[...] | None`
|
58 | # and there are no None members in the Literal[] slice,
59 | # only emit Y062:
60 | Literal[None, True, None, True] # Y062 Duplicate "Literal[]" member "True"
66 | # and there are no None members in the Literal[] slice,
67 | # only emit Y062:
68 | Literal[None, True, None, True] # Y062 Duplicate "Literal[]" member "True"
| ^^^^ PYI061
|
= help: Replace with `Literal[...] | None`
PYI061.py:72:12: PYI061 `Literal[None]` can be replaced with `None`
|
71 | # Regression tests for https://github.com/astral-sh/ruff/issues/14567
72 | x: Literal[None] | None
| ^^^^ PYI061
73 | y: None | Literal[None]
74 | z: Union[Literal[None], None]
|
= help: Replace with `None`
PYI061.py:73:19: PYI061 `Literal[None]` can be replaced with `None`
|
71 | # Regression tests for https://github.com/astral-sh/ruff/issues/14567
72 | x: Literal[None] | None
73 | y: None | Literal[None]
| ^^^^ PYI061
74 | z: Union[Literal[None], None]
|
= help: Replace with `None`
PYI061.py:74:18: PYI061 [*] `Literal[None]` can be replaced with `None`
|
72 | x: Literal[None] | None
73 | y: None | Literal[None]
74 | z: Union[Literal[None], None]
| ^^^^ PYI061
75 |
76 | a: int | Literal[None] | None
|
= help: Replace with `None`
Safe fix
71 71 | # Regression tests for https://github.com/astral-sh/ruff/issues/14567
72 72 | x: Literal[None] | None
73 73 | y: None | Literal[None]
74 |-z: Union[Literal[None], None]
74 |+z: Union[None, None]
75 75 |
76 76 | a: int | Literal[None] | None
77 77 | b: None | Literal[None] | None
PYI061.py:76:18: PYI061 `Literal[None]` can be replaced with `None`
|
74 | z: Union[Literal[None], None]
75 |
76 | a: int | Literal[None] | None
| ^^^^ PYI061
77 | b: None | Literal[None] | None
78 | c: (None | Literal[None]) | None
|
= help: Replace with `None`
PYI061.py:77:19: PYI061 `Literal[None]` can be replaced with `None`
|
76 | a: int | Literal[None] | None
77 | b: None | Literal[None] | None
| ^^^^ PYI061
78 | c: (None | Literal[None]) | None
79 | d: None | (Literal[None] | None)
|
= help: Replace with `None`
PYI061.py:78:20: PYI061 `Literal[None]` can be replaced with `None`
|
76 | a: int | Literal[None] | None
77 | b: None | Literal[None] | None
78 | c: (None | Literal[None]) | None
| ^^^^ PYI061
79 | d: None | (Literal[None] | None)
80 | e: None | ((None | Literal[None]) | None) | None
|
= help: Replace with `None`
PYI061.py:79:20: PYI061 `Literal[None]` can be replaced with `None`
|
77 | b: None | Literal[None] | None
78 | c: (None | Literal[None]) | None
79 | d: None | (Literal[None] | None)
| ^^^^ PYI061
80 | e: None | ((None | Literal[None]) | None) | None
81 | f: Literal[None] | Literal[None]
|
= help: Replace with `None`
PYI061.py:80:28: PYI061 `Literal[None]` can be replaced with `None`
|
78 | c: (None | Literal[None]) | None
79 | d: None | (Literal[None] | None)
80 | e: None | ((None | Literal[None]) | None) | None
| ^^^^ PYI061
81 | f: Literal[None] | Literal[None]
|
= help: Replace with `None`
PYI061.py:81:12: PYI061 `Literal[None]` can be replaced with `None`
|
79 | d: None | (Literal[None] | None)
80 | e: None | ((None | Literal[None]) | None) | None
81 | f: Literal[None] | Literal[None]
| ^^^^ PYI061
|
= help: Replace with `None`
PYI061.py:81:28: PYI061 `Literal[None]` can be replaced with `None`
|
79 | d: None | (Literal[None] | None)
80 | e: None | ((None | Literal[None]) | None) | None
81 | f: Literal[None] | Literal[None]
| ^^^^ PYI061
|
= help: Replace with `None`

View file

@ -9,7 +9,7 @@ PYI061.pyi:4:25: PYI061 [*] `Literal[None]` can be replaced with `None`
= help: Replace with `None`
Safe fix
1 1 | from typing import Literal
1 1 | from typing import Literal, Union
2 2 |
3 3 |
4 |-def func1(arg1: Literal[None]): ...
@ -123,30 +123,168 @@ PYI061.pyi:27:5: PYI061 [*] `Literal[None]` can be replaced with `None`
26 |+def func7(arg1: None): ...
29 27 |
30 28 |
31 29 | # OK
31 29 | def func8(arg1: Literal[None] | None):...
PYI061.pyi:36:9: PYI061 [*] `Literal[None]` can be replaced with `None`
PYI061.pyi:31:25: PYI061 `Literal[None]` can be replaced with `None`
|
35 | # From flake8-pyi
36 | Literal[None] # PYI061 None inside "Literal[]" expression. Replace with "None"
| ^^^^ PYI061
37 | Literal[True, None] # PYI061 None inside "Literal[]" expression. Replace with "Literal[True] | None"
31 | def func8(arg1: Literal[None] | None):...
| ^^^^ PYI061
|
= help: Replace with `None`
PYI061.pyi:34:31: PYI061 [*] `Literal[None]` can be replaced with `None`
|
34 | def func9(arg1: Union[Literal[None], None]): ...
| ^^^^ PYI061
|
= help: Replace with `None`
Safe fix
31 31 | def func8(arg1: Literal[None] | None):...
32 32 |
33 33 |
34 34 |
35 35 | # From flake8-pyi
36 |-Literal[None] # PYI061 None inside "Literal[]" expression. Replace with "None"
36 |+None # PYI061 None inside "Literal[]" expression. Replace with "None"
37 37 | Literal[True, None] # PYI061 None inside "Literal[]" expression. Replace with "Literal[True] | None"
34 |-def func9(arg1: Union[Literal[None], None]): ...
34 |+def func9(arg1: Union[None, None]): ...
35 35 |
36 36 |
37 37 | # OK
PYI061.pyi:37:15: PYI061 `Literal[None, ...]` can be replaced with `Literal[...] | None`
PYI061.pyi:42:9: PYI061 [*] `Literal[None]` can be replaced with `None`
|
35 | # From flake8-pyi
36 | Literal[None] # PYI061 None inside "Literal[]" expression. Replace with "None"
37 | Literal[True, None] # PYI061 None inside "Literal[]" expression. Replace with "Literal[True] | None"
41 | # From flake8-pyi
42 | Literal[None] # PYI061 None inside "Literal[]" expression. Replace with "None"
| ^^^^ PYI061
43 | Literal[True, None] # PYI061 None inside "Literal[]" expression. Replace with "Literal[True] | None"
|
= help: Replace with `None`
Safe fix
39 39 |
40 40 |
41 41 | # From flake8-pyi
42 |-Literal[None] # PYI061 None inside "Literal[]" expression. Replace with "None"
42 |+None # PYI061 None inside "Literal[]" expression. Replace with "None"
43 43 | Literal[True, None] # PYI061 None inside "Literal[]" expression. Replace with "Literal[True] | None"
44 44 |
45 45 |
PYI061.pyi:43:15: PYI061 `Literal[None, ...]` can be replaced with `Literal[...] | None`
|
41 | # From flake8-pyi
42 | Literal[None] # PYI061 None inside "Literal[]" expression. Replace with "None"
43 | Literal[True, None] # PYI061 None inside "Literal[]" expression. Replace with "Literal[True] | None"
| ^^^^ PYI061
|
= help: Replace with `Literal[...] | None`
PYI061.pyi:47:12: PYI061 `Literal[None]` can be replaced with `None`
|
46 | # Regression tests for https://github.com/astral-sh/ruff/issues/14567
47 | x: Literal[None] | None
| ^^^^ PYI061
48 | y: None | Literal[None]
49 | z: Union[Literal[None], None]
|
= help: Replace with `None`
PYI061.pyi:48:19: PYI061 `Literal[None]` can be replaced with `None`
|
46 | # Regression tests for https://github.com/astral-sh/ruff/issues/14567
47 | x: Literal[None] | None
48 | y: None | Literal[None]
| ^^^^ PYI061
49 | z: Union[Literal[None], None]
|
= help: Replace with `None`
PYI061.pyi:49:18: PYI061 [*] `Literal[None]` can be replaced with `None`
|
47 | x: Literal[None] | None
48 | y: None | Literal[None]
49 | z: Union[Literal[None], None]
| ^^^^ PYI061
50 |
51 | a: int | Literal[None] | None
|
= help: Replace with `None`
Safe fix
46 46 | # Regression tests for https://github.com/astral-sh/ruff/issues/14567
47 47 | x: Literal[None] | None
48 48 | y: None | Literal[None]
49 |-z: Union[Literal[None], None]
49 |+z: Union[None, None]
50 50 |
51 51 | a: int | Literal[None] | None
52 52 | b: None | Literal[None] | None
PYI061.pyi:51:18: PYI061 `Literal[None]` can be replaced with `None`
|
49 | z: Union[Literal[None], None]
50 |
51 | a: int | Literal[None] | None
| ^^^^ PYI061
52 | b: None | Literal[None] | None
53 | c: (None | Literal[None]) | None
|
= help: Replace with `None`
PYI061.pyi:52:19: PYI061 `Literal[None]` can be replaced with `None`
|
51 | a: int | Literal[None] | None
52 | b: None | Literal[None] | None
| ^^^^ PYI061
53 | c: (None | Literal[None]) | None
54 | d: None | (Literal[None] | None)
|
= help: Replace with `None`
PYI061.pyi:53:20: PYI061 `Literal[None]` can be replaced with `None`
|
51 | a: int | Literal[None] | None
52 | b: None | Literal[None] | None
53 | c: (None | Literal[None]) | None
| ^^^^ PYI061
54 | d: None | (Literal[None] | None)
55 | e: None | ((None | Literal[None]) | None) | None
|
= help: Replace with `None`
PYI061.pyi:54:20: PYI061 `Literal[None]` can be replaced with `None`
|
52 | b: None | Literal[None] | None
53 | c: (None | Literal[None]) | None
54 | d: None | (Literal[None] | None)
| ^^^^ PYI061
55 | e: None | ((None | Literal[None]) | None) | None
56 | f: Literal[None] | Literal[None]
|
= help: Replace with `None`
PYI061.pyi:55:28: PYI061 `Literal[None]` can be replaced with `None`
|
53 | c: (None | Literal[None]) | None
54 | d: None | (Literal[None] | None)
55 | e: None | ((None | Literal[None]) | None) | None
| ^^^^ PYI061
56 | f: Literal[None] | Literal[None]
|
= help: Replace with `None`
PYI061.pyi:56:12: PYI061 `Literal[None]` can be replaced with `None`
|
54 | d: None | (Literal[None] | None)
55 | e: None | ((None | Literal[None]) | None) | None
56 | f: Literal[None] | Literal[None]
| ^^^^ PYI061
|
= help: Replace with `None`
PYI061.pyi:56:28: PYI061 `Literal[None]` can be replaced with `None`
|
54 | d: None | (Literal[None] | None)
55 | e: None | ((None | Literal[None]) | None) | None
56 | f: Literal[None] | Literal[None]
| ^^^^ PYI061
|
= help: Replace with `None`