[3.12] gh-122300: Preserve AST nodes for format specifiers with single elements (GH-122308) (#122363)

(cherry picked from commit db2d8b6db1)
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Pablo Galindo Salgado 2024-07-27 20:20:28 +01:00 committed by GitHub
parent 8205c16c7c
commit ca3486cb1e
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4 changed files with 133 additions and 2826 deletions

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@ -302,7 +302,9 @@ Literals
Name(id='a', ctx=Load())],
keywords=[]),
conversion=-1,
format_spec=Constant(value='.3'))]))
format_spec=JoinedStr(
values=[
Constant(value='.3')]))]))
.. class:: List(elts, ctx)

File diff suppressed because it is too large Load diff

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@ -0,0 +1,2 @@
Preserve AST nodes for f-string with single-element format specifiers. Patch
by Pablo Galindo

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@ -928,7 +928,8 @@ _PyPegen_setup_full_format_spec(Parser *p, Token *colon, asdl_expr_seq *spec,
}
}
expr_ty res;
if (asdl_seq_LEN(spec) == 0) {
Py_ssize_t n = asdl_seq_LEN(spec);
if (n == 0 || (n == 1 && asdl_seq_GET(spec, 0)->kind == Constant_kind)) {
res = _PyAST_JoinedStr(spec, lineno, col_offset, end_lineno, end_col_offset,
p->arena);
} else {