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[flake8-use-pathlib] Add autofixes for PTH203, PTH204, PTH205 #18922

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Jul 7, 2025
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Original file line number Diff line number Diff line change
@@ -1,12 +1,81 @@
import pathlib
import os.path
from pathlib import Path
from os.path import getatime

filename = "filename"
filename1 = __file__
filename2 = Path("filename")


os.path.getatime("filename")
os.path.getatime(b"filename")
os.path.getatime(Path("filename"))
os.path.getatime(__file__)

os.path.getatime(filename)
os.path.getatime(filename1)
os.path.getatime(filename2)

os.path.getatime(filename="filename")
os.path.getatime(filename=b"filename")
os.path.getatime(filename=Path("filename"))
os.path.getatime(filename=__file__)

getatime("filename")
getatime(b"filename")
getatime(Path("filename"))
getatime(__file__)

getatime(filename="filename")
getatime(filename=b"filename")
getatime(filename=Path("filename"))
getatime(filename=__file__)

getatime(filename)
getatime(filename1)
getatime(filename2)


os.path.getatime(
"filename", # comment
)

os.path.getatime(
# comment
"filename"
,
# comment
)

os.path.getatime(
# comment
b"filename"
# comment
)

os.path.getatime( # comment
Path(__file__)
# comment
) # comment

getatime( # comment
"filename")

getatime( # comment
b"filename",
#comment
)

os.path.getatime("file" + "name")

getatime \
\
\
( # comment
"filename",
)

getatime(Path("filename").resolve())

os.path.getatime(pathlib.Path("filename"))
Original file line number Diff line number Diff line change
@@ -1,13 +1,81 @@
import pathlib
import os.path
from pathlib import Path
from os.path import getmtime

filename = "filename"
filename1 = __file__
filename2 = Path("filename")


os.path.getmtime("filename")
os.path.getmtime(b"filename")
os.path.getmtime(Path("filename"))
os.path.getmtime(__file__)

os.path.getmtime(filename)
os.path.getmtime(filename1)
os.path.getmtime(filename2)

os.path.getmtime(filename="filename")
os.path.getmtime(filename=b"filename")
os.path.getmtime(filename=Path("filename"))
os.path.getmtime(filename=__file__)

getmtime("filename")
getmtime(b"filename")
getmtime(Path("filename"))
getmtime(__file__)

getmtime(filename="filename")
getmtime(filename=b"filename")
getmtime(filename=Path("filename"))
getmtime(filename=__file__)

getmtime(filename)
getmtime(filename1)
getmtime(filename2)


os.path.getmtime(
"filename", # comment
)

os.path.getmtime(
# comment
"filename"
,
# comment
)

os.path.getmtime(
# comment
b"filename"
# comment
)

os.path.getmtime( # comment
Path(__file__)
# comment
) # comment

getmtime( # comment
"filename")

getmtime( # comment
b"filename",
#comment
)

os.path.getmtime("file" + "name")

getmtime \
\
\
( # comment
"filename",
)

getmtime(Path("filename").resolve())

os.path.getmtime(pathlib.Path("filename"))
Original file line number Diff line number Diff line change
@@ -1,12 +1,81 @@
import pathlib
import os.path
from pathlib import Path
from os.path import getctime

filename = "filename"
filename1 = __file__
filename2 = Path("filename")


os.path.getctime("filename")
os.path.getctime(b"filename")
os.path.getctime(Path("filename"))
os.path.getctime(__file__)

os.path.getctime(filename)
os.path.getctime(filename1)
os.path.getctime(filename2)

os.path.getctime(filename="filename")
os.path.getctime(filename=b"filename")
os.path.getctime(filename=Path("filename"))
os.path.getctime(filename=__file__)

getctime("filename")
getctime(b"filename")
getctime(Path("filename"))
getctime(__file__)

getctime(filename="filename")
getctime(filename=b"filename")
getctime(filename=Path("filename"))
getctime(filename=__file__)

getctime(filename)
getctime(filename1)
getctime(filename2)


os.path.getctime(
"filename", # comment
)

os.path.getctime(
# comment
"filename"
,
# comment
)

os.path.getctime(
# comment
b"filename"
# comment
)

os.path.getctime( # comment
Path(__file__)
# comment
) # comment

getctime( # comment
"filename")

getctime( # comment
b"filename",
#comment
)

os.path.getctime("file" + "name")

getctime \
\
\
( # comment
"filename",
)

getctime(Path("filename").resolve())

os.path.getctime(pathlib.Path("filename"))
12 changes: 9 additions & 3 deletions crates/ruff_linter/src/checkers/ast/analyze/expression.rs
Original file line number Diff line number Diff line change
Expand Up @@ -1056,9 +1056,6 @@ pub(crate) fn expression(expr: &Expr, checker: &Checker) {
Rule::OsPathSplitext,
Rule::BuiltinOpen,
Rule::PyPath,
Rule::OsPathGetatime,
Rule::OsPathGetmtime,
Rule::OsPathGetctime,
Rule::Glob,
Rule::OsListdir,
Rule::OsSymlink,
Expand All @@ -1068,6 +1065,15 @@ pub(crate) fn expression(expr: &Expr, checker: &Checker) {
if checker.is_rule_enabled(Rule::OsPathGetsize) {
flake8_use_pathlib::rules::os_path_getsize(checker, call);
}
if checker.is_rule_enabled(Rule::OsPathGetatime) {
flake8_use_pathlib::rules::os_path_getatime(checker, call);
}
if checker.is_rule_enabled(Rule::OsPathGetctime) {
flake8_use_pathlib::rules::os_path_getctime(checker, call);
}
if checker.is_rule_enabled(Rule::OsPathGetmtime) {
flake8_use_pathlib::rules::os_path_getmtime(checker, call);
}
if checker.is_rule_enabled(Rule::PathConstructorCurrentDirectory) {
flake8_use_pathlib::rules::path_constructor_current_directory(checker, call);
}
Expand Down
14 changes: 14 additions & 0 deletions crates/ruff_linter/src/preview.rs
Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,20 @@ pub(crate) const fn is_fix_manual_list_comprehension_enabled(settings: &LinterSe
pub(crate) const fn is_fix_os_path_getsize_enabled(settings: &LinterSettings) -> bool {
settings.preview.is_enabled()
}
// https://github.com/astral-sh/ruff/pull/18922
pub(crate) const fn is_fix_os_path_getmtime_enabled(settings: &LinterSettings) -> bool {
settings.preview.is_enabled()
}

// https://github.com/astral-sh/ruff/pull/18922
pub(crate) const fn is_fix_os_path_getatime_enabled(settings: &LinterSettings) -> bool {
settings.preview.is_enabled()
}

// https://github.com/astral-sh/ruff/pull/18922
pub(crate) const fn is_fix_os_path_getctime_enabled(settings: &LinterSettings) -> bool {
settings.preview.is_enabled()
}

// https://github.com/astral-sh/ruff/pull/11436
// https://github.com/astral-sh/ruff/pull/11168
Expand Down
11 changes: 11 additions & 0 deletions crates/ruff_linter/src/rules/flake8_use_pathlib/helpers.rs
Original file line number Diff line number Diff line change
@@ -0,0 +1,11 @@
use crate::checkers::ast::Checker;
use ruff_python_ast::Expr;

pub(crate) fn is_path_call(checker: &Checker, expr: &Expr) -> bool {
expr.as_call_expr().is_some_and(|expr_call| {
checker
.semantic()
.resolve_qualified_name(&expr_call.func)
.is_some_and(|name| matches!(name.segments(), ["pathlib", "Path"]))
})
}
4 changes: 4 additions & 0 deletions crates/ruff_linter/src/rules/flake8_use_pathlib/mod.rs
Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
//! Rules from [flake8-use-pathlib](https://pypi.org/project/flake8-use-pathlib/).
mod helpers;
pub(crate) mod rules;
pub(crate) mod violations;

Expand Down Expand Up @@ -81,6 +82,9 @@ mod tests {

#[test_case(Rule::OsPathGetsize, Path::new("PTH202.py"))]
#[test_case(Rule::OsPathGetsize, Path::new("PTH202_2.py"))]
#[test_case(Rule::OsPathGetatime, Path::new("PTH203.py"))]
#[test_case(Rule::OsPathGetmtime, Path::new("PTH204.py"))]
#[test_case(Rule::OsPathGetctime, Path::new("PTH205.py"))]
fn preview_flake8_use_pathlib(rule_code: Rule, path: &Path) -> Result<()> {
let snapshot = format!(
"preview__{}_{}",
Expand Down
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