mirror of https://github.com/python/cpython
[3.13] gh-122300: Preserve AST nodes for format specifiers with single elements (GH-122308) (#122364)
(cherry picked from commit db2d8b6db1
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@ -316,7 +316,9 @@ Literals
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args=[
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args=[
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Name(id='a', ctx=Load())]),
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Name(id='a', ctx=Load())]),
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conversion=-1,
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conversion=-1,
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format_spec=Constant(value='.3'))]))
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format_spec=JoinedStr(
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values=[
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Constant(value='.3')]))]))
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.. class:: List(elts, ctx)
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.. class:: List(elts, ctx)
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3111
Lib/test/test_ast.py
3111
Lib/test/test_ast.py
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Load Diff
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@ -0,0 +1,2 @@
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Preserve AST nodes for f-string with single-element format specifiers. Patch
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by Pablo Galindo
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@ -1002,7 +1002,8 @@ _PyPegen_setup_full_format_spec(Parser *p, Token *colon, asdl_expr_seq *spec, in
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spec = resized_spec;
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spec = resized_spec;
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}
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}
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expr_ty res;
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expr_ty res;
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if (asdl_seq_LEN(spec) == 0) {
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Py_ssize_t n = asdl_seq_LEN(spec);
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if (n == 0 || (n == 1 && asdl_seq_GET(spec, 0)->kind == Constant_kind)) {
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res = _PyAST_JoinedStr(spec, lineno, col_offset, end_lineno,
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res = _PyAST_JoinedStr(spec, lineno, col_offset, end_lineno,
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end_col_offset, p->arena);
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end_col_offset, p->arena);
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} else {
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} else {
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