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Allow f-strings with %z for DTZ007 (#10651)

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## Summary

This PR fixes the bug for `DTZ007` rule where it didn't consider to
check for the presence of `%z` in f-strings. It also considers the
string parts of an implicitly concatenated f-strings for which I want to
find a better solution (#10308).

fixes: #10601 

## Test Plan

Add test cases and update the snapshots.
This commit is contained in:
Dhruv Manilawala 2024-03-29 09:57:13 +05:30 • committed by GitHub
parent a0263ab472
commit 1bcdfe268d
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3 changed files with 32 additions and 5 deletions
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29
crates/ruff_linter/src/rules/flake8_datetimez/rules/call_datetime_strptime_without_zone.rs
View file

@ -102,11 +102,30 @@ pub(crate) fn call_datetime_strptime_without_zone(checker: &mut Checker, call: &
}
// Does the `strptime` call contain a format string with a timezone specifier?
if let Some(Expr::StringLiteral(ast::ExprStringLiteral { value: format, .. })) =
call.arguments.args.get(1).as_ref()
{
if format.to_str().contains("%z") {
return;
if let Some(expr) = call.arguments.args.get(1) {
match expr {
Expr::StringLiteral(ast::ExprStringLiteral { value, .. }) => {
if value.to_str().contains("%z") {
return;
}
}
Expr::FString(ast::ExprFString { value, .. }) => {
for f_string_part in value {
match f_string_part {
ast::FStringPart::Literal(string) => {
if string.contains("%z") {
return;
}
}
ast::FStringPart::FString(f_string) => {
if f_string.literals().any(|literal| literal.contains("%z")) {
return;
}
}
}
}
}
_ => {}
}
};

2
crates/ruff_linter/src/rules/flake8_datetimez/snapshots/ruff_linter__rules__flake8_datetimez__tests__DTZ007_DTZ007.py.snap
View file

@ -46,5 +46,7 @@ DTZ007.py:35:1: DTZ007 Naive datetime constructed using `datetime.datetime.strpt
34 | # no replace orastimezone unqualified
35 | datetime.strptime("something", "something")
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ DTZ007
36 |
37 | # F-strings
|
= help: Call `.replace(tzinfo=<timezone>)` or `.astimezone()` to convert to an aware datetime