From 178e44de8f023be7a5dc400044ab61983b191f24 Mon Sep 17 00:00:00 2001 From: Gregor <36135323+gege-hoho@users.noreply.github.com> Date: Sat, 13 Jul 2024 17:14:39 +0200 Subject: [PATCH] gh-121657: Display correct error message for yield from outside of a function (GH-121680) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com> Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com> --- Lib/test/test_generators.py | 5 +++++ .../2024-07-13-12-27-31.gh-issue-121657.wgOYLw.rst | 2 ++ Python/compile.c | 2 +- 3 files changed, 8 insertions(+), 1 deletion(-) create mode 100644 Misc/NEWS.d/next/Core and Builtins/2024-07-13-12-27-31.gh-issue-121657.wgOYLw.rst diff --git a/Lib/test/test_generators.py b/Lib/test/test_generators.py index daa65718bfc..34f79dafbe9 100644 --- a/Lib/test/test_generators.py +++ b/Lib/test/test_generators.py @@ -2247,6 +2247,11 @@ Traceback (most recent call last): ... SyntaxError: 'yield' outside function +>>> yield from [1,2] +Traceback (most recent call last): + ... +SyntaxError: 'yield from' outside function + >>> def f(): x = yield = y Traceback (most recent call last): ... diff --git a/Misc/NEWS.d/next/Core and Builtins/2024-07-13-12-27-31.gh-issue-121657.wgOYLw.rst b/Misc/NEWS.d/next/Core and Builtins/2024-07-13-12-27-31.gh-issue-121657.wgOYLw.rst new file mode 100644 index 00000000000..cb18629d79f --- /dev/null +++ b/Misc/NEWS.d/next/Core and Builtins/2024-07-13-12-27-31.gh-issue-121657.wgOYLw.rst @@ -0,0 +1,2 @@ +Improve the :exc:`SyntaxError` message if the user tries to use +:keyword:`yield from ` outside a function. diff --git a/Python/compile.c b/Python/compile.c index 4190b141324..ca64b5cd376 100644 --- a/Python/compile.c +++ b/Python/compile.c @@ -6119,7 +6119,7 @@ compiler_visit_expr(struct compiler *c, expr_ty e) break; case YieldFrom_kind: if (!_PyST_IsFunctionLike(SYMTABLE_ENTRY(c))) { - return compiler_error(c, loc, "'yield' outside function"); + return compiler_error(c, loc, "'yield from' outside function"); } if (c->u->u_scope_type == COMPILER_SCOPE_ASYNC_FUNCTION) { return compiler_error(c, loc, "'yield from' inside async function");