bpo-32911: Revert bpo-29463. (GH-7121) (GH-7197)
Remove the docstring attribute of AST types and restore docstring
expression as a first stmt in their body.
Co-authored-by: INADA Naoki <methane@users.noreply.github.com>
diff --git a/Python/future.c b/Python/future.c
index ade647f..03a97c8 100644
--- a/Python/future.c
+++ b/Python/future.c
@@ -63,6 +63,7 @@
future_parse(PyFutureFeatures *ff, mod_ty mod, PyObject *filename)
{
int i, done = 0, prev_line = 0;
+ stmt_ty first;
if (!(mod->kind == Module_kind || mod->kind == Interactive_kind))
return 1;
@@ -78,7 +79,15 @@
but is preceded by a regular import.
*/
- for (i = 0; i < asdl_seq_LEN(mod->v.Module.body); i++) {
+ i = 0;
+ first = (stmt_ty)asdl_seq_GET(mod->v.Module.body, i);
+ if (first->kind == Expr_kind
+ && (first->v.Expr.value->kind == Str_kind
+ || (first->v.Expr.value->kind == Constant_kind
+ && PyUnicode_CheckExact(first->v.Expr.value->v.Constant.value))))
+ i++;
+
+ for (; i < asdl_seq_LEN(mod->v.Module.body); i++) {
stmt_ty s = (stmt_ty)asdl_seq_GET(mod->v.Module.body, i);
if (done && s->lineno > prev_line)