diff options
| -rw-r--r-- | Lib/test/test_future.py | 2 | ||||
| -rw-r--r-- | Misc/NEWS.d/next/Core and Builtins/2019-05-15-14-01-09.bpo-36826.GLrO3W.rst | 1 | ||||
| -rw-r--r-- | Python/ast_unparse.c | 13 |
3 files changed, 16 insertions, 0 deletions
diff --git a/Lib/test/test_future.py b/Lib/test/test_future.py index 38de3df..cd320a2 100644 --- a/Lib/test/test_future.py +++ b/Lib/test/test_future.py @@ -275,6 +275,8 @@ class AnnotationsFutureTestCase(unittest.TestCase): eq('f((x for x in a), 2)') eq('(((a)))', 'a') eq('(((a, b)))', '(a, b)') + eq("(x:=10)") + eq("f'{(x:=10):=10}'") if __name__ == "__main__": diff --git a/Misc/NEWS.d/next/Core and Builtins/2019-05-15-14-01-09.bpo-36826.GLrO3W.rst b/Misc/NEWS.d/next/Core and Builtins/2019-05-15-14-01-09.bpo-36826.GLrO3W.rst new file mode 100644 index 0000000..5a1b519 --- /dev/null +++ b/Misc/NEWS.d/next/Core and Builtins/2019-05-15-14-01-09.bpo-36826.GLrO3W.rst @@ -0,0 +1 @@ +Add NamedExpression kind support to ast_unparse.c diff --git a/Python/ast_unparse.c b/Python/ast_unparse.c index 25a5c69..5f366a1 100644 --- a/Python/ast_unparse.c +++ b/Python/ast_unparse.c @@ -810,6 +810,17 @@ append_ast_await(_PyUnicodeWriter *writer, expr_ty e, int level) } static int +append_named_expr(_PyUnicodeWriter *writer, expr_ty e, int level) +{ + APPEND_STR_IF(level > PR_TUPLE, "("); + APPEND_EXPR(e->v.NamedExpr.target, PR_ATOM); + APPEND_STR(":="); + APPEND_EXPR(e->v.NamedExpr.value, PR_ATOM); + APPEND_STR_IF(level > PR_TUPLE, ")"); + return 0; +} + +static int append_ast_expr(_PyUnicodeWriter *writer, expr_ty e, int level) { switch (e->kind) { @@ -867,6 +878,8 @@ append_ast_expr(_PyUnicodeWriter *writer, expr_ty e, int level) return append_ast_list(writer, e); case Tuple_kind: return append_ast_tuple(writer, e, level); + case NamedExpr_kind: + return append_named_expr(writer, e, level); default: PyErr_SetString(PyExc_SystemError, "unknown expression kind"); |