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bpo-32911: Revert bpo-29463. (GH-7121) (GH-7197)

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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>
This commit is contained in:
Serhiy Storchaka 2018-05-29 12:04:55 +03:00 • committed by GitHub
parent 2179022d94
commit 73cbe7a01a
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17 changed files with 3287 additions and 3358 deletions
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11
Python/future.c
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@ -63,6 +63,7 @@ static int
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 @@ future_parse(PyFutureFeatures *ff, mod_ty mod, PyObject *filename)
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)