mirror of
https://github.com/astral-sh/ruff.git
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add DebugText for self-documenting f-strings (#6167)
This commit is contained in:
David Szotten
GitHub
parent
44a8d1c644
commit
ba990b676f
26 changed files with 148 additions and 155 deletions
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@ -5,6 +5,7 @@ use ruff_text_size::TextRange;
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fn to_formatted_value_expr(inner: &Expr) -> Expr {
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let node = ast::ExprFormattedValue {
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value: Box::new(inner.clone()),
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debug_text: None,
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conversion: ConversionFlag::None,
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format_spec: None,
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range: TextRange::default(),
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@ -592,6 +592,7 @@ pub struct ExprCall<'a> {
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#[derive(Debug, PartialEq, Eq, Hash)]
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pub struct ExprFormattedValue<'a> {
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value: Box<ComparableExpr<'a>>,
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debug_text: Option<&'a ast::DebugText>,
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conversion: ast::ConversionFlag,
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format_spec: Option<Box<ComparableExpr<'a>>>,
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}
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@ -849,11 +850,13 @@ impl<'a> From<&'a ast::Expr> for ComparableExpr<'a> {
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ast::Expr::FormattedValue(ast::ExprFormattedValue {
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value,
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conversion,
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debug_text,
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format_spec,
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range: _range,
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}) => Self::FormattedValue(ExprFormattedValue {
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value: value.into(),
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conversion: *conversion,
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debug_text: debug_text.as_ref(),
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format_spec: format_spec.as_ref().map(Into::into),
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}),
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ast::Expr::JoinedStr(ast::ExprJoinedStr {
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@ -888,6 +888,7 @@ impl From<ExprCall> for Expr {
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pub struct ExprFormattedValue {
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pub range: TextRange,
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pub value: Box<Expr>,
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pub debug_text: Option<DebugText>,
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pub conversion: ConversionFlag,
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pub format_spec: Option<Box<Expr>>,
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}
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@ -925,6 +926,14 @@ impl ConversionFlag {
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}
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}
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#[derive(Clone, Debug, PartialEq, Eq, Hash)]
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pub struct DebugText {
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/// The text between the `{` and the expression node.
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pub leading: String,
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/// The text between the expression and the conversion, the format_spec, or the `}`, depending on what's present in the source
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pub trailing: String,
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}
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/// See also [JoinedStr](https://docs.python.org/3/library/ast.html#ast.JoinedStr)
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#[derive(Clone, Debug, PartialEq)]
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pub struct ExprJoinedStr {
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@ -5,8 +5,8 @@ use std::ops::Deref;
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use ruff_python_ast::{
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self as ast, Alias, Arg, Arguments, BoolOp, CmpOp, Comprehension, Constant, ConversionFlag,
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ExceptHandler, Expr, Identifier, MatchCase, Operator, Pattern, Stmt, Suite, TypeParam,
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TypeParamParamSpec, TypeParamTypeVar, TypeParamTypeVarTuple, WithItem,
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DebugText, ExceptHandler, Expr, Identifier, MatchCase, Operator, Pattern, Stmt, Suite,
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TypeParam, TypeParamParamSpec, TypeParamTypeVar, TypeParamTypeVarTuple, WithItem,
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};
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use ruff_python_literal::escape::{AsciiEscape, Escape, UnicodeEscape};
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@ -1189,10 +1189,16 @@ impl<'a> Generator<'a> {
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}
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Expr::FormattedValue(ast::ExprFormattedValue {
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value,
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debug_text,
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conversion,
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format_spec,
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range: _range,
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}) => self.unparse_formatted(value, *conversion, format_spec.as_deref()),
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}) => self.unparse_formatted(
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value,
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debug_text.as_ref(),
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*conversion,
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format_spec.as_deref(),
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),
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Expr::JoinedStr(ast::ExprJoinedStr {
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values,
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range: _range,
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@ -1382,7 +1388,13 @@ impl<'a> Generator<'a> {
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}
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}
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fn unparse_formatted(&mut self, val: &Expr, conversion: ConversionFlag, spec: Option<&Expr>) {
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fn unparse_formatted(
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&mut self,
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val: &Expr,
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debug_text: Option<&DebugText>,
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conversion: ConversionFlag,
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spec: Option<&Expr>,
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) {
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let mut generator = Generator::new(self.indent, self.quote, self.line_ending);
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generator.unparse_expr(val, precedence::FORMATTED_VALUE);
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let brace = if generator.buffer.starts_with('{') {
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@ -1392,8 +1404,17 @@ impl<'a> Generator<'a> {
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"{"
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};
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self.p(brace);
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if let Some(debug_text) = debug_text {
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self.buffer += debug_text.leading.as_str();
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}
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self.buffer += &generator.buffer;
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if let Some(debug_text) = debug_text {
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self.buffer += debug_text.trailing.as_str();
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}
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if !conversion.is_none() {
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self.p("!");
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#[allow(clippy::cast_possible_truncation)]
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@ -1425,10 +1446,16 @@ impl<'a> Generator<'a> {
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}
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Expr::FormattedValue(ast::ExprFormattedValue {
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value,
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debug_text,
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conversion,
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format_spec,
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range: _range,
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}) => self.unparse_formatted(value, *conversion, format_spec.as_deref()),
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}) => self.unparse_formatted(
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value,
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debug_text.as_ref(),
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*conversion,
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format_spec.as_deref(),
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),
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_ => unreachable!(),
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}
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}
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@ -1755,6 +1782,15 @@ class Foo:
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assert_eq!(round_trip(r#"f'abc{"def"}{1}'"#), r#"f"abc{'def'}{1}""#);
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}
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#[test]
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fn self_documenting_f_string() {
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assert_round_trip!(r#"f"{ chr(65) = }""#);
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assert_round_trip!(r#"f"{ chr(65) = !s}""#);
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assert_round_trip!(r#"f"{ chr(65) = !r}""#);
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assert_round_trip!(r#"f"{ chr(65) = :#x}""#);
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assert_round_trip!(r#"f"{a=!r:0.05f}""#);
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}
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#[test]
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fn indent() {
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assert_eq!(
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@ -112,6 +112,7 @@ expression: parse_ast
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keywords: [],
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},
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),
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debug_text: None,
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conversion: None,
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format_spec: None,
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},
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@ -199,6 +200,7 @@ expression: parse_ast
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keywords: [],
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},
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),
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debug_text: None,
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conversion: None,
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format_spec: None,
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},
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@ -216,6 +216,7 @@ expression: parse_ast
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keywords: [],
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},
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),
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debug_text: None,
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conversion: None,
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format_spec: None,
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},
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@ -249,6 +250,7 @@ expression: parse_ast
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ctx: Load,
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},
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),
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debug_text: None,
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conversion: None,
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format_spec: None,
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},
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@ -336,6 +338,7 @@ expression: parse_ast
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keywords: [],
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},
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),
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debug_text: None,
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conversion: None,
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format_spec: None,
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},
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@ -369,6 +372,7 @@ expression: parse_ast
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ctx: Load,
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},
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),
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debug_text: None,
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conversion: None,
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format_spec: None,
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},
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@ -29,6 +29,7 @@ expression: parse_ast
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ctx: Load,
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},
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),
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debug_text: None,
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conversion: None,
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format_spec: None,
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},
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@ -52,6 +53,7 @@ expression: parse_ast
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ctx: Load,
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},
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),
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debug_text: None,
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conversion: None,
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format_spec: None,
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},
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@ -29,6 +29,7 @@ expression: parse_ast
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ctx: Load,
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},
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),
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debug_text: None,
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conversion: None,
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format_spec: None,
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},
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@ -29,6 +29,7 @@ expression: parse_ast
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ctx: Load,
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},
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),
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debug_text: None,
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conversion: None,
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format_spec: None,
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},
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@ -29,6 +29,7 @@ expression: parse_ast
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ctx: Load,
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},
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),
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debug_text: None,
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conversion: None,
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format_spec: None,
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},
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@ -3,24 +3,6 @@ source: crates/ruff_python_parser/src/string.rs
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expression: parse_ast
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---
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[
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Constant(
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ExprConstant {
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range: 2..9,
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value: Str(
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"user=",
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),
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kind: None,
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},
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),
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Constant(
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ExprConstant {
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range: 2..9,
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value: Str(
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"",
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),
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kind: None,
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},
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),
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FormattedValue(
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ExprFormattedValue {
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range: 2..9,
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@ -31,7 +13,13 @@ expression: parse_ast
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ctx: Load,
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},
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),
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conversion: Repr,
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debug_text: Some(
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DebugText {
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leading: "",
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trailing: "=",
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},
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),
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conversion: None,
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format_spec: None,
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},
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),
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@ -12,24 +12,6 @@ expression: parse_ast
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kind: None,
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},
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),
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Constant(
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ExprConstant {
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range: 6..13,
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value: Str(
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"user=",
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),
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kind: None,
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},
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),
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Constant(
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ExprConstant {
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range: 6..13,
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value: Str(
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"",
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),
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kind: None,
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},
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),
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FormattedValue(
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ExprFormattedValue {
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range: 6..13,
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@ -40,7 +22,13 @@ expression: parse_ast
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ctx: Load,
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},
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),
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conversion: Repr,
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debug_text: Some(
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DebugText {
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leading: "",
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trailing: "=",
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},
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),
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conversion: None,
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format_spec: None,
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},
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),
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@ -53,24 +41,6 @@ expression: parse_ast
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kind: None,
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},
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),
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Constant(
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ExprConstant {
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range: 28..37,
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value: Str(
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"second=",
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),
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kind: None,
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},
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),
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Constant(
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ExprConstant {
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range: 28..37,
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value: Str(
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"",
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),
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kind: None,
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},
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),
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FormattedValue(
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ExprFormattedValue {
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range: 28..37,
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@ -81,7 +51,13 @@ expression: parse_ast
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ctx: Load,
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},
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),
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conversion: Repr,
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debug_text: Some(
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DebugText {
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leading: "",
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trailing: "=",
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},
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),
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conversion: None,
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format_spec: None,
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},
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),
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@ -3,24 +3,6 @@ source: crates/ruff_python_parser/src/string.rs
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expression: parse_ast
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---
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[
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Constant(
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ExprConstant {
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range: 2..13,
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value: Str(
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"user=",
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),
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kind: None,
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},
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),
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Constant(
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ExprConstant {
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range: 2..13,
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value: Str(
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"",
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),
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kind: None,
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},
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),
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FormattedValue(
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ExprFormattedValue {
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range: 2..13,
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@ -31,6 +13,12 @@ expression: parse_ast
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ctx: Load,
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},
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),
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debug_text: Some(
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DebugText {
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leading: "",
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trailing: "=",
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},
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),
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conversion: None,
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format_spec: Some(
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JoinedStr(
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|
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@ -29,6 +29,7 @@ expression: parse_ast
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ctx: Load,
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},
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),
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debug_text: None,
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conversion: None,
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format_spec: None,
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},
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|
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@ -31,6 +31,7 @@ expression: parse_ast
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kind: None,
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},
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),
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debug_text: None,
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conversion: None,
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format_spec: None,
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},
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|
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|
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@ -13,6 +13,7 @@ expression: parse_ast
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ctx: Load,
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},
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),
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debug_text: None,
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conversion: None,
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format_spec: None,
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},
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|
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@ -27,6 +28,7 @@ expression: parse_ast
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ctx: Load,
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},
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),
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debug_text: None,
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conversion: None,
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format_spec: None,
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},
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|
|
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@ -34,6 +34,7 @@ expression: parse_ast
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],
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},
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),
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debug_text: None,
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conversion: None,
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format_spec: None,
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},
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|
|
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|
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@ -13,6 +13,7 @@ expression: parse_ast
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ctx: Load,
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},
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),
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debug_text: None,
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conversion: None,
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format_spec: Some(
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JoinedStr(
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|
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@ -29,6 +30,7 @@ expression: parse_ast
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ctx: Load,
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},
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),
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debug_text: None,
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conversion: None,
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format_spec: None,
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},
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|
|
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|
|
@ -34,6 +34,7 @@ expression: parse_ast
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],
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},
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),
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debug_text: None,
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conversion: None,
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format_spec: None,
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},
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|
|
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|
|
@ -13,6 +13,7 @@ expression: parse_ast
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ctx: Load,
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},
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),
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debug_text: None,
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conversion: None,
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format_spec: Some(
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JoinedStr(
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|
|
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|
|
@ -3,24 +3,6 @@ source: crates/ruff_python_parser/src/string.rs
|
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expression: parse_ast
|
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---
|
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[
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Constant(
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ExprConstant {
|
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range: 2..9,
|
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value: Str(
|
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"x =",
|
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),
|
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kind: None,
|
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},
|
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),
|
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Constant(
|
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ExprConstant {
|
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range: 2..9,
|
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value: Str(
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"",
|
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),
|
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kind: None,
|
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},
|
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),
|
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FormattedValue(
|
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ExprFormattedValue {
|
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range: 2..9,
|
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|
|
@ -31,7 +13,13 @@ expression: parse_ast
|
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ctx: Load,
|
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},
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),
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conversion: Repr,
|
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debug_text: Some(
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DebugText {
|
||||
leading: "",
|
||||
trailing: " =",
|
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},
|
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),
|
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conversion: None,
|
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format_spec: None,
|
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},
|
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),
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|
|
|
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|
|
@ -3,24 +3,6 @@ source: crates/ruff_python_parser/src/string.rs
|
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expression: parse_ast
|
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---
|
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[
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||||
Constant(
|
||||
ExprConstant {
|
||||
range: 2..9,
|
||||
value: Str(
|
||||
"x=",
|
||||
),
|
||||
kind: None,
|
||||
},
|
||||
),
|
||||
Constant(
|
||||
ExprConstant {
|
||||
range: 2..9,
|
||||
value: Str(
|
||||
" ",
|
||||
),
|
||||
kind: None,
|
||||
},
|
||||
),
|
||||
FormattedValue(
|
||||
ExprFormattedValue {
|
||||
range: 2..9,
|
||||
|
|
@ -31,7 +13,13 @@ expression: parse_ast
|
|||
ctx: Load,
|
||||
},
|
||||
),
|
||||
conversion: Repr,
|
||||
debug_text: Some(
|
||||
DebugText {
|
||||
leading: "",
|
||||
trailing: "= ",
|
||||
},
|
||||
),
|
||||
conversion: None,
|
||||
format_spec: None,
|
||||
},
|
||||
),
|
||||
|
|
|
|||
|
|
@ -12,6 +12,7 @@ expression: parse_ast
|
|||
value: None,
|
||||
},
|
||||
),
|
||||
debug_text: None,
|
||||
conversion: None,
|
||||
format_spec: None,
|
||||
},
|
||||
|
|
|
|||
|
|
@ -20,6 +20,7 @@ expression: parse_ast
|
|||
ctx: Load,
|
||||
},
|
||||
),
|
||||
debug_text: None,
|
||||
conversion: None,
|
||||
format_spec: None,
|
||||
},
|
||||
|
|
|
|||
|
|
@ -20,6 +20,7 @@ expression: parse_ast
|
|||
ctx: Load,
|
||||
},
|
||||
),
|
||||
debug_text: None,
|
||||
conversion: None,
|
||||
format_spec: None,
|
||||
},
|
||||
|
|
|
|||
|
|
@ -182,11 +182,15 @@ impl<'a> StringParser<'a> {
|
|||
};
|
||||
|
||||
let mut expression = String::new();
|
||||
// for self-documenting strings we also store the `=` and any trailing space inside
|
||||
// expression (because we want to combine it with any trailing spaces before the equal
|
||||
// sign). the expression_length is the length of the actual expression part that we pass to
|
||||
// `parse_fstring_expr`
|
||||
let mut expression_length = 0;
|
||||
let mut spec = None;
|
||||
let mut delimiters = Vec::new();
|
||||
let mut conversion = ConversionFlag::None;
|
||||
let mut self_documenting = false;
|
||||
let mut trailing_seq = String::new();
|
||||
let start_location = self.get_pos();
|
||||
|
||||
assert_eq!(self.next_char(), Some('{'));
|
||||
|
|
@ -230,6 +234,8 @@ impl<'a> StringParser<'a> {
|
|||
// match a python 3.8 self documenting expression
|
||||
// format '{' PYTHON_EXPRESSION '=' FORMAT_SPECIFIER? '}'
|
||||
'=' if self.peek() != Some('=') && delimiters.is_empty() => {
|
||||
expression_length = expression.len();
|
||||
expression.push(ch);
|
||||
self_documenting = true;
|
||||
}
|
||||
|
||||
|
|
@ -304,40 +310,28 @@ impl<'a> StringParser<'a> {
|
|||
}
|
||||
|
||||
let ret = if self_documenting {
|
||||
// TODO: range is wrong but `self_documenting` needs revisiting beyond
|
||||
// ranges: https://github.com/astral-sh/ruff/issues/5970
|
||||
vec![
|
||||
Expr::from(ast::ExprConstant {
|
||||
value: Constant::Str(expression.clone() + "="),
|
||||
kind: None,
|
||||
range: self.range(start_location),
|
||||
let value =
|
||||
parse_fstring_expr(&expression[..expression_length], start_location)
|
||||
.map_err(|e| {
|
||||
FStringError::new(
|
||||
InvalidExpression(Box::new(e.error)),
|
||||
start_location,
|
||||
)
|
||||
})?;
|
||||
let leading =
|
||||
&expression[..usize::from(value.range().start() - start_location) - 1];
|
||||
let trailing =
|
||||
&expression[usize::from(value.range().end() - start_location) - 1..];
|
||||
vec![Expr::from(ast::ExprFormattedValue {
|
||||
value: Box::new(value),
|
||||
debug_text: Some(ast::DebugText {
|
||||
leading: leading.to_string(),
|
||||
trailing: trailing.to_string(),
|
||||
}),
|
||||
Expr::from(ast::ExprConstant {
|
||||
value: trailing_seq.into(),
|
||||
kind: None,
|
||||
range: self.range(start_location),
|
||||
}),
|
||||
Expr::from(ast::ExprFormattedValue {
|
||||
value: Box::new(
|
||||
parse_fstring_expr(&expression, start_location).map_err(
|
||||
|e| {
|
||||
FStringError::new(
|
||||
InvalidExpression(Box::new(e.error)),
|
||||
start_location,
|
||||
)
|
||||
},
|
||||
)?,
|
||||
),
|
||||
conversion: if conversion == ConversionFlag::None && spec.is_none()
|
||||
{
|
||||
ConversionFlag::Repr
|
||||
} else {
|
||||
conversion
|
||||
},
|
||||
format_spec: spec,
|
||||
range: self.range(start_location),
|
||||
}),
|
||||
]
|
||||
conversion,
|
||||
format_spec: spec,
|
||||
range: self.range(start_location),
|
||||
})]
|
||||
} else {
|
||||
vec![Expr::from(ast::ExprFormattedValue {
|
||||
value: Box::new(
|
||||
|
|
@ -348,6 +342,7 @@ impl<'a> StringParser<'a> {
|
|||
)
|
||||
})?,
|
||||
),
|
||||
debug_text: None,
|
||||
conversion,
|
||||
format_spec: spec,
|
||||
range: self.range(start_location),
|
||||
|
|
@ -369,9 +364,7 @@ impl<'a> StringParser<'a> {
|
|||
}
|
||||
}
|
||||
}
|
||||
' ' if self_documenting => {
|
||||
trailing_seq.push(ch);
|
||||
}
|
||||
' ' if self_documenting => expression.push(ch),
|
||||
'\\' => return Err(FStringError::new(UnterminatedString, self.get_pos()).into()),
|
||||
_ => {
|
||||
if self_documenting {
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue