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Implement runtime-import-in-type-checking-block (TYP004) (#2146)

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Charlie Marsh 2023-01-24 23:33:26 -05:00 • committed by GitHub
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commit 0758049e49
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29 changed files with 364 additions and 40 deletions
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1
README.md
View file

@ -1202,6 +1202,7 @@ For more, see [flake8-type-checking](https://pypi.org/project/flake8-type-checki
| Code | Name | Message | Fix |
| ---- | ---- | ------- | --- |
| TYP004 | runtime-import-in-type-checking-block | Move import `{}` out of type-checking block. Import is used for more than type hinting. | |
| TYP005 | empty-type-checking-block | Found empty type-checking block | |
### tryceratops (TRY)

5
resources/test/fixtures/flake8_type_checking/TYP004_1.py vendored Normal file
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@ -0,0 +1,5 @@
from typing import TYPE_CHECKING
if TYPE_CHECKING:
from datetime import datetime
x = datetime

8
resources/test/fixtures/flake8_type_checking/TYP004_2.py vendored Normal file
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@ -0,0 +1,8 @@
from typing import TYPE_CHECKING
if TYPE_CHECKING:
from datetime import date
def example():
return date()

6
resources/test/fixtures/flake8_type_checking/TYP004_3.py vendored Normal file
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@ -0,0 +1,6 @@
from typing import TYPE_CHECKING
if TYPE_CHECKING:
from typing import Any
CustomType = Any

11
resources/test/fixtures/flake8_type_checking/TYP004_4.py vendored Normal file
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@ -0,0 +1,11 @@
from typing import TYPE_CHECKING, Type
if TYPE_CHECKING:
from typing import Any
def example(*args: Any, **kwargs: Any):
return
my_type: Type[Any] | Any

8
resources/test/fixtures/flake8_type_checking/TYP004_5.py vendored Normal file
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@ -0,0 +1,8 @@
from typing import TYPE_CHECKING
if TYPE_CHECKING:
from typing import List, Sequence, Set
def example(a: List[int], /, b: Sequence[int], *, c: Set[int]):
return

10
resources/test/fixtures/flake8_type_checking/TYP004_6.py vendored Normal file
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@ -0,0 +1,10 @@
from typing import TYPE_CHECKING
if TYPE_CHECKING:
from pandas import DataFrame
def example():
from pandas import DataFrame
x = DataFrame

10
resources/test/fixtures/flake8_type_checking/TYP004_7.py vendored Normal file
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@ -0,0 +1,10 @@
from __future__ import annotations
from typing import TYPE_CHECKING
if TYPE_CHECKING:
from typing import AsyncIterator, List
class Example:
async def example(self) -> AsyncIterator[List[str]]:
yield 0

7
resources/test/fixtures/flake8_type_checking/TYP004_8.py vendored Normal file
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@ -0,0 +1,7 @@
from typing import TYPE_CHECKING
from weakref import WeakKeyDictionary
if TYPE_CHECKING:
from typing import Any
d = WeakKeyDictionary["Any", "Any"]()

1
ruff.schema.json
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@ -1784,6 +1784,7 @@
"TYP",
"TYP0",
"TYP00",
"TYP004",
"TYP005",
"UP",
"UP0",

35
src/ast/types.rs
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@ -33,6 +33,10 @@ impl Range {
pub fn from_located<T>(located: &Located<T>) -> Self {
Range::new(located.location, located.end_location.unwrap())
}
pub fn contains(&self, other: &Range) -> bool {
self.location <= other.location && self.end_location >= other.end_location
}
}
#[derive(Debug)]
@ -130,8 +134,22 @@ pub struct Binding<'a> {
/// The statement in which the [`Binding`] was defined.
pub source: Option<RefEquality<'a, Stmt>>,
/// Tuple of (scope index, range) indicating the scope and range at which
/// the binding was last used.
pub used: Option<(usize, Range)>,
/// the binding was last used in a runtime context.
pub runtime_usage: Option<(usize, Range)>,
/// Tuple of (scope index, range) indicating the scope and range at which
/// the binding was last used in a typing-time context.
pub typing_usage: Option<(usize, Range)>,
/// Tuple of (scope index, range) indicating the scope and range at which
/// the binding was last used in a synthetic context. This is used for
/// (e.g.) `__future__` imports, explicit re-exports, and other bindings
/// that should be considered used even if they're never referenced.
pub synthetic_usage: Option<(usize, Range)>,
}
#[derive(Copy, Clone)]
pub enum UsageContext {
Runtime,
Typing,
}
// Pyflakes defines the following binding hierarchy (via inheritance):
@ -152,6 +170,19 @@ pub struct Binding<'a> {
// FutureImportation
impl<'a> Binding<'a> {
pub fn mark_used(&mut self, scope: usize, range: Range, context: UsageContext) {
match context {
UsageContext::Runtime => self.runtime_usage = Some((scope, range)),
UsageContext::Typing => self.typing_usage = Some((scope, range)),
}
}
pub fn used(&self) -> bool {
self.runtime_usage.is_some()
|| self.synthetic_usage.is_some()
|| self.typing_usage.is_some()
}
pub fn is_definition(&self) -> bool {
matches!(
self.kind,

149
src/checkers/ast.rs
View file

@ -20,7 +20,7 @@ use crate::ast::operations::extract_all_names;
use crate::ast::relocate::relocate_expr;
use crate::ast::types::{
Binding, BindingKind, CallPath, ClassDef, FunctionDef, Lambda, Node, Range, RefEquality, Scope,
ScopeKind,
ScopeKind, UsageContext,
};
use crate::ast::visitor::{walk_excepthandler, Visitor};
use crate::ast::{branch_detection, cast, helpers, operations, visitor};
@ -92,12 +92,14 @@ pub struct Checker<'a> {
in_deferred_type_definition: bool,
in_literal: bool,
in_subscript: bool,
in_type_checking_block: bool,
seen_import_boundary: bool,
futures_allowed: bool,
annotations_future_enabled: bool,
except_handlers: Vec<Vec<Vec<&'a str>>>,
// Check-specific state.
pub(crate) flake8_bugbear_seen: Vec<&'a Expr>,
pub(crate) type_checking_blocks: Vec<&'a Stmt>,
}
impl<'a> Checker<'a> {
@ -149,12 +151,14 @@ impl<'a> Checker<'a> {
in_deferred_type_definition: false,
in_literal: false,
in_subscript: false,
in_type_checking_block: false,
seen_import_boundary: false,
futures_allowed: true,
annotations_future_enabled: path.extension().map_or(false, |ext| ext == "pyi"),
except_handlers: vec![],
// Check-specific state.
flake8_bugbear_seen: vec![],
type_checking_blocks: vec![],
}
}
@ -316,6 +320,8 @@ where
}
}
let prev_in_type_checking_block = self.in_type_checking_block;
// Pre-visit.
match &stmt.node {
StmtKind::Global { names } => {
@ -329,7 +335,9 @@ where
let index = self.bindings.len();
self.bindings.push(Binding {
kind: BindingKind::Global,
used: usage,
runtime_usage: None,
synthetic_usage: usage,
typing_usage: None,
range: *range,
source: Some(RefEquality(stmt)),
});
@ -355,7 +363,9 @@ where
let index = self.bindings.len();
self.bindings.push(Binding {
kind: BindingKind::Nonlocal,
used: usage,
runtime_usage: None,
synthetic_usage: usage,
typing_usage: None,
range: *range,
source: Some(RefEquality(stmt)),
});
@ -369,7 +379,7 @@ where
for index in self.scope_stack.iter().skip(1).rev().skip(1) {
if let Some(index) = self.scopes[*index].values.get(&name.as_str()) {
exists = true;
self.bindings[*index].used = usage;
self.bindings[*index].runtime_usage = usage;
}
}
@ -667,7 +677,9 @@ where
name,
Binding {
kind: BindingKind::FunctionDefinition,
used: None,
runtime_usage: None,
synthetic_usage: None,
typing_usage: None,
range: Range::from_located(stmt),
source: Some(self.current_stmt().clone()),
},
@ -819,7 +831,9 @@ where
name,
Binding {
kind: BindingKind::SubmoduleImportation(name, full_name),
used: None,
runtime_usage: None,
synthetic_usage: None,
typing_usage: None,
range: Range::from_located(alias),
source: Some(self.current_stmt().clone()),
},
@ -838,9 +852,10 @@ where
name,
Binding {
kind: BindingKind::Importation(name, full_name),
runtime_usage: None,
// Treat explicit re-export as usage (e.g., `import applications
// as applications`).
used: if alias
synthetic_usage: if alias
.node
.asname
.as_ref()
@ -857,6 +872,7 @@ where
} else {
None
},
typing_usage: None,
range: Range::from_located(alias),
source: Some(self.current_stmt().clone()),
},
@ -1086,8 +1102,9 @@ where
name,
Binding {
kind: BindingKind::FutureImportation,
runtime_usage: None,
// Always mark `__future__` imports as used.
used: Some((
synthetic_usage: Some((
self.scopes[*(self
.scope_stack
.last()
@ -1095,6 +1112,7 @@ where
.id,
Range::from_located(alias),
)),
typing_usage: None,
range: Range::from_located(alias),
source: Some(self.current_stmt().clone()),
},
@ -1128,7 +1146,9 @@ where
"*",
Binding {
kind: BindingKind::StarImportation(*level, module.clone()),
used: None,
runtime_usage: None,
synthetic_usage: None,
typing_usage: None,
range: Range::from_located(stmt),
source: Some(self.current_stmt().clone()),
},
@ -1182,9 +1202,10 @@ where
name,
Binding {
kind: BindingKind::FromImportation(name, full_name),
runtime_usage: None,
// Treat explicit re-export as usage (e.g., `from .applications
// import FastAPI as FastAPI`).
used: if alias
synthetic_usage: if alias
.node
.asname
.as_ref()
@ -1201,6 +1222,7 @@ where
} else {
None
},
typing_usage: None,
range,
source: Some(self.current_stmt().clone()),
},
@ -1374,12 +1396,16 @@ where
self.handle_node_load(target);
}
StmtKind::If { test, body, orelse } => {
if self.settings.rules.enabled(&Rule::IfTuple) {
pyflakes::rules::if_tuple(self, stmt, test);
}
if flake8_type_checking::helpers::is_type_checking_block(self, test) {
if self.settings.rules.enabled(&Rule::EmptyTypeCheckingBlock) {
flake8_type_checking::rules::empty_type_checking_block(self, test, body);
}
self.in_type_checking_block = true;
self.type_checking_blocks.push(stmt);
}
if self.settings.rules.enabled(&Rule::IfTuple) {
pyflakes::rules::if_tuple(self, stmt, test);
}
if self.settings.rules.enabled(&Rule::NestedIfStatements) {
flake8_simplify::rules::nested_if_statements(
self,
@ -1709,7 +1735,9 @@ where
let index = self.bindings.len();
self.bindings.push(Binding {
kind: BindingKind::Assignment,
used: None,
runtime_usage: None,
synthetic_usage: None,
typing_usage: None,
range: Range::from_located(stmt),
source: Some(RefEquality(stmt)),
});
@ -1770,7 +1798,9 @@ where
let index = self.bindings.len();
self.bindings.push(Binding {
kind: BindingKind::Assignment,
used: None,
runtime_usage: None,
synthetic_usage: None,
typing_usage: None,
range: Range::from_located(stmt),
source: Some(RefEquality(stmt)),
});
@ -1831,6 +1861,7 @@ where
}
_ => visitor::walk_stmt(self, stmt),
};
self.in_type_checking_block = prev_in_type_checking_block;
self.visible_scope = prev_visible_scope;
// Post-visit.
@ -1844,7 +1875,9 @@ where
name,
Binding {
kind: BindingKind::ClassDefinition,
used: None,
runtime_usage: None,
synthetic_usage: None,
typing_usage: None,
range: Range::from_located(stmt),
source: Some(self.current_stmt().clone()),
},
@ -3414,7 +3447,7 @@ where
[*(self.scope_stack.last().expect("No current scope found"))];
&scope.values.remove(&name.as_str())
} {
if self.bindings[*index].used.is_none() {
if !self.bindings[*index].used() {
if self.settings.rules.enabled(&Rule::UnusedVariable) {
let mut diagnostic = Diagnostic::new(
violations::UnusedVariable(name.to_string()),
@ -3532,7 +3565,9 @@ where
&arg.node.arg,
Binding {
kind: BindingKind::Argument,
used: None,
runtime_usage: None,
synthetic_usage: None,
typing_usage: None,
range: Range::from_located(arg),
source: Some(self.current_stmt().clone()),
},
@ -3631,7 +3666,9 @@ impl<'a> Checker<'a> {
self.bindings.push(Binding {
kind: BindingKind::Builtin,
range: Range::default(),
used: None,
runtime_usage: None,
synthetic_usage: None,
typing_usage: None,
source: None,
});
scope.values.insert(builtin, index);
@ -3716,7 +3753,7 @@ impl<'a> Checker<'a> {
));
}
} else if in_current_scope {
if existing.used.is_none()
if !existing.used()
&& binding.redefines(existing)
&& (!self.settings.dummy_variable_rgx.is_match(name) || existing_is_import)
&& !(matches!(existing.kind, BindingKind::FunctionDefinition)
@ -3749,7 +3786,9 @@ impl<'a> Checker<'a> {
let binding = match scope.values.get(&name) {
None => binding,
Some(index) => Binding {
used: self.bindings[*index].used,
runtime_usage: self.bindings[*index].runtime_usage,
synthetic_usage: self.bindings[*index].synthetic_usage,
typing_usage: self.bindings[*index].typing_usage,
..binding
},
};
@ -3784,8 +3823,14 @@ impl<'a> Checker<'a> {
}
if let Some(index) = scope.values.get(&id.as_str()) {
let context = if self.in_type_definition || self.in_type_checking_block {
UsageContext::Typing
} else {
UsageContext::Runtime
};
// Mark the binding as used.
self.bindings[*index].used = Some((scope_id, Range::from_located(expr)));
self.bindings[*index].mark_used(scope_id, Range::from_located(expr), context);
if matches!(self.bindings[*index].kind, BindingKind::Annotation)
&& !self.in_deferred_string_type_definition
@ -3813,8 +3858,11 @@ impl<'a> Checker<'a> {
if has_alias {
// Mark the sub-importation as used.
if let Some(index) = scope.values.get(full_name) {
self.bindings[*index].used =
Some((scope_id, Range::from_located(expr)));
self.bindings[*index].mark_used(
scope_id,
Range::from_located(expr),
context,
);
}
}
}
@ -3827,8 +3875,11 @@ impl<'a> Checker<'a> {
if has_alias {
// Mark the sub-importation as used.
if let Some(index) = scope.values.get(full_name.as_str()) {
self.bindings[*index].used =
Some((scope_id, Range::from_located(expr)));
self.bindings[*index].mark_used(
scope_id,
Range::from_located(expr),
context,
);
}
}
}
@ -3956,7 +4007,9 @@ impl<'a> Checker<'a> {
id,
Binding {
kind: BindingKind::Annotation,
used: None,
runtime_usage: None,
synthetic_usage: None,
typing_usage: None,
range: Range::from_located(expr),
source: Some(self.current_stmt().clone()),
},
@ -3973,7 +4026,9 @@ impl<'a> Checker<'a> {
id,
Binding {
kind: BindingKind::LoopVar,
used: None,
runtime_usage: None,
synthetic_usage: None,
typing_usage: None,
range: Range::from_located(expr),
source: Some(self.current_stmt().clone()),
},
@ -3986,7 +4041,9 @@ impl<'a> Checker<'a> {
id,
Binding {
kind: BindingKind::Binding,
used: None,
runtime_usage: None,
synthetic_usage: None,
typing_usage: None,
range: Range::from_located(expr),
source: Some(self.current_stmt().clone()),
},
@ -4036,7 +4093,9 @@ impl<'a> Checker<'a> {
current,
&self.bindings,
)),
used: None,
runtime_usage: None,
synthetic_usage: None,
typing_usage: None,
range: Range::from_located(expr),
source: Some(self.current_stmt().clone()),
},
@ -4049,7 +4108,9 @@ impl<'a> Checker<'a> {
id,
Binding {
kind: BindingKind::Assignment,
used: None,
runtime_usage: None,
synthetic_usage: None,
typing_usage: None,
range: Range::from_located(expr),
source: Some(self.current_stmt().clone()),
},
@ -4237,6 +4298,10 @@ impl<'a> Checker<'a> {
.settings
.rules
.enabled(&Rule::GlobalVariableNotAssigned)
&& !self
.settings
.rules
.enabled(&Rule::RuntimeImportInTypeCheckingBlock)
{
return;
}
@ -4313,7 +4378,7 @@ impl<'a> Checker<'a> {
| BindingKind::FutureImportation
) {
// Skip used exports from `__all__`
if binding.used.is_some()
if binding.used()
|| all_names
.as_ref()
.map(|names| names.contains(name))
@ -4369,6 +4434,24 @@ impl<'a> Checker<'a> {
}
}
// TYP001
for (_name, index) in scope
.values
.iter()
.chain(scope.overridden.iter().map(|(a, b)| (a, b)))
{
let binding = &self.bindings[*index];
if let Some(diagnostic) =
flake8_type_checking::rules::runtime_import_in_type_checking_block(
binding,
&self.type_checking_blocks,
)
{
diagnostics.push(diagnostic);
}
}
if self.settings.rules.enabled(&Rule::UnusedImport) {
// Collect all unused imports by location. (Multiple unused imports at the same
// location indicates an `import from`.)
@ -4395,7 +4478,7 @@ impl<'a> Checker<'a> {
};
// Skip used exports from `__all__`
if binding.used.is_some()
if binding.used()
|| all_names
.as_ref()
.map(|names| names.contains(name))

1
src/registry.rs
View file

@ -429,6 +429,7 @@ ruff_macros::define_rule_mapping!(
EXE004 => rules::flake8_executable::rules::ShebangWhitespace,
EXE005 => rules::flake8_executable::rules::ShebangNewline,
// flake8-type-checking
TYP004 => rules::flake8_type_checking::rules::RuntimeImportInTypeCheckingBlock,
TYP005 => rules::flake8_type_checking::rules::EmptyTypeCheckingBlock,
// tryceratops
TRY004 => rules::tryceratops::rules::PreferTypeError,

9
src/rules/flake8_type_checking/helpers.rs Normal file
View file

@ -0,0 +1,9 @@
use rustpython_ast::Expr;
use crate::checkers::ast::Checker;
pub fn is_type_checking_block(checker: &Checker, test: &Expr) -> bool {
checker.resolve_call_path(test).map_or(false, |call_path| {
call_path.as_slice() == ["typing", "TYPE_CHECKING"]
})
}

9
src/rules/flake8_type_checking/mod.rs
View file

@ -1,4 +1,5 @@
//! Rules from [flake8-type-checking](https://pypi.org/project/flake8-type-checking/).
pub(crate) mod helpers;
pub(crate) mod rules;
#[cfg(test)]
@ -13,6 +14,14 @@ mod tests {
use crate::registry::Rule;
use crate::settings;
#[test_case(Rule::RuntimeImportInTypeCheckingBlock, Path::new("TYP004_1.py"); "TYP004_1")]
#[test_case(Rule::RuntimeImportInTypeCheckingBlock, Path::new("TYP004_2.py"); "TYP004_2")]
#[test_case(Rule::RuntimeImportInTypeCheckingBlock, Path::new("TYP004_3.py"); "TYP004_3")]
#[test_case(Rule::RuntimeImportInTypeCheckingBlock, Path::new("TYP004_4.py"); "TYP004_4")]
#[test_case(Rule::RuntimeImportInTypeCheckingBlock, Path::new("TYP004_5.py"); "TYP004_5")]
#[test_case(Rule::RuntimeImportInTypeCheckingBlock, Path::new("TYP004_6.py"); "TYP004_6")]
#[test_case(Rule::RuntimeImportInTypeCheckingBlock, Path::new("TYP004_7.py"); "TYP004_7")]
#[test_case(Rule::RuntimeImportInTypeCheckingBlock, Path::new("TYP004_8.py"); "TYP004_8")]
#[test_case(Rule::EmptyTypeCheckingBlock, Path::new("TYP005.py"); "TYP005")]
fn rules(rule_code: Rule, path: &Path) -> Result<()> {
let snapshot = format!("{}_{}", rule_code.as_ref(), path.to_string_lossy());

4
src/rules/flake8_type_checking/rules/mod.rs
View file

@ -1,3 +1,7 @@
pub use empty_type_checking_block::{empty_type_checking_block, EmptyTypeCheckingBlock};
pub use runtime_import_in_type_checking_block::{
runtime_import_in_type_checking_block, RuntimeImportInTypeCheckingBlock,
};
mod empty_type_checking_block;
mod runtime_import_in_type_checking_block;

52
src/rules/flake8_type_checking/rules/runtime_import_in_type_checking_block.rs Normal file
View file

@ -0,0 +1,52 @@
use ruff_macros::derive_message_formats;
use rustpython_ast::Stmt;
use crate::ast::types::{Binding, BindingKind, Range};
use crate::define_violation;
use crate::registry::Diagnostic;
use crate::violation::Violation;
define_violation!(
pub struct RuntimeImportInTypeCheckingBlock {
pub full_name: String,
}
);
impl Violation for RuntimeImportInTypeCheckingBlock {
#[derive_message_formats]
fn message(&self) -> String {
format!(
"Move import `{}` out of type-checking block. Import is used for more than type \
hinting.",
self.full_name
)
}
}
/// TYP004
pub fn runtime_import_in_type_checking_block(
binding: &Binding,
blocks: &[&Stmt],
) -> Option<Diagnostic> {
let full_name = match &binding.kind {
BindingKind::Importation(.., full_name) => full_name,
BindingKind::FromImportation(.., full_name) => full_name.as_str(),
BindingKind::SubmoduleImportation(.., full_name) => full_name,
_ => return None,
};
let defined_in_type_checking = blocks
.iter()
.any(|block| Range::from_located(block).contains(&binding.range));
if defined_in_type_checking {
if binding.runtime_usage.is_some() {
return Some(Diagnostic::new(
RuntimeImportInTypeCheckingBlock {
full_name: full_name.to_string(),
},
binding.range,
));
}
}
None
}

16
src/rules/flake8_type_checking/snapshots/ruff__rules__flake8_type_checking__tests__runtime-import-in-type-checking-block_TYP004_1.py.snap Normal file
View file

@ -0,0 +1,16 @@
---
source: src/rules/flake8_type_checking/mod.rs
expression: diagnostics
---
- kind:
RuntimeImportInTypeCheckingBlock:
full_name: datetime.datetime
location:
row: 4
column: 25
end_location:
row: 4
column: 33
fix: ~
parent: ~

16
src/rules/flake8_type_checking/snapshots/ruff__rules__flake8_type_checking__tests__runtime-import-in-type-checking-block_TYP004_2.py.snap Normal file
View file

@ -0,0 +1,16 @@
---
source: src/rules/flake8_type_checking/mod.rs
expression: diagnostics
---
- kind:
RuntimeImportInTypeCheckingBlock:
full_name: datetime.date
location:
row: 4
column: 25
end_location:
row: 4
column: 29
fix: ~
parent: ~

6
src/rules/flake8_type_checking/snapshots/ruff__rules__flake8_type_checking__tests__runtime-import-in-type-checking-block_TYP004_3.py.snap Normal file
View file

@ -0,0 +1,6 @@
---
source: src/rules/flake8_type_checking/mod.rs
expression: diagnostics
---
[]

6
src/rules/flake8_type_checking/snapshots/ruff__rules__flake8_type_checking__tests__runtime-import-in-type-checking-block_TYP004_4.py.snap Normal file
View file

@ -0,0 +1,6 @@
---
source: src/rules/flake8_type_checking/mod.rs
expression: diagnostics
---
[]

6
src/rules/flake8_type_checking/snapshots/ruff__rules__flake8_type_checking__tests__runtime-import-in-type-checking-block_TYP004_5.py.snap Normal file
View file

@ -0,0 +1,6 @@
---
source: src/rules/flake8_type_checking/mod.rs
expression: diagnostics
---
[]

6
src/rules/flake8_type_checking/snapshots/ruff__rules__flake8_type_checking__tests__runtime-import-in-type-checking-block_TYP004_6.py.snap Normal file
View file

@ -0,0 +1,6 @@
---
source: src/rules/flake8_type_checking/mod.rs
expression: diagnostics
---
[]

6
src/rules/flake8_type_checking/snapshots/ruff__rules__flake8_type_checking__tests__runtime-import-in-type-checking-block_TYP004_7.py.snap Normal file
View file

@ -0,0 +1,6 @@
---
source: src/rules/flake8_type_checking/mod.rs
expression: diagnostics
---
[]

6
src/rules/flake8_type_checking/snapshots/ruff__rules__flake8_type_checking__tests__runtime-import-in-type-checking-block_TYP004_8.py.snap Normal file
View file

@ -0,0 +1,6 @@
---
source: src/rules/flake8_type_checking/mod.rs
expression: diagnostics
---
[]

4
src/rules/flake8_unused_arguments/rules.rs
View file

@ -43,7 +43,7 @@ fn function(
.get(&arg.node.arg.as_str())
.map(|index| &bindings[*index])
{
if binding.used.is_none()
if !binding.used()
&& matches!(binding.kind, BindingKind::Argument)
&& !dummy_variable_rgx.is_match(arg.node.arg.as_str())
{
@ -88,7 +88,7 @@ fn method(
.get(&arg.node.arg.as_str())
.map(|index| &bindings[*index])
{
if binding.used.is_none()
if !binding.used()
&& matches!(binding.kind, BindingKind::Argument)
&& !dummy_variable_rgx.is_match(arg.node.arg.as_str())
{

2
src/rules/pyflakes/rules/mod.rs
View file

@ -44,7 +44,7 @@ pub fn undefined_local(name: &str, scopes: &[&Scope], bindings: &[Binding]) -> O
for scope in scopes.iter().rev().skip(1) {
if matches!(scope.kind, ScopeKind::Function(_) | ScopeKind::Module) {
if let Some(binding) = scope.values.get(name).map(|index| &bindings[*index]) {
if let Some((scope_id, location)) = binding.used {
if let Some((scope_id, location)) = binding.runtime_usage {
if scope_id == current.id {
return Some(Diagnostic::new(
violations::UndefinedLocal(name.to_string()),

2
src/rules/pyflakes/rules/unused_annotation.rs
View file

@ -11,7 +11,7 @@ pub fn unused_annotation(checker: &mut Checker, scope: usize) {
.iter()
.map(|(name, index)| (name, &checker.bindings[*index]))
{
if binding.used.is_none()
if !binding.used()
&& matches!(binding.kind, BindingKind::Annotation)
&& !checker.settings.dummy_variable_rgx.is_match(name)
{

2
src/rules/pyflakes/rules/unused_variable.rs
View file

@ -156,7 +156,7 @@ pub fn unused_variable(checker: &mut Checker, scope: usize) {
.iter()
.map(|(name, index)| (name, &checker.bindings[*index]))
{
if binding.used.is_none()
if !binding.used()
&& matches!(binding.kind, BindingKind::Assignment)
&& !checker.settings.dummy_variable_rgx.is_match(name)
&& name != &"__tracebackhide__"