bpo-41218: Only mark async code with CO_COROUTINE. (#21357)

3.8.3 had a regression where compiling with
ast.PyCF_ALLOW_TOP_LEVEL_AWAIT woudl agressively mark things are
coroutine even if there were not.
This commit is contained in:
Matthias Bussonnier 2020-07-06 14:26:52 -07:00 committed by GitHub
parent a103e73ce8
commit bd46174a5a
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3 changed files with 29 additions and 4 deletions

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@ -4588,10 +4588,9 @@ compiler_comprehension(struct compiler *c, expr_ty e, int type,
comprehension_ty outermost;
PyObject *qualname = NULL;
int is_async_generator = 0;
int top_level_await = IS_TOP_LEVEL_AWAIT(c);
if (IS_TOP_LEVEL_AWAIT(c)) {
c->u->u_ste->ste_coroutine = 1;
}
int is_async_function = c->u->u_ste->ste_coroutine;
outermost = (comprehension_ty) asdl_seq_GET(generators, 0);
@ -4603,7 +4602,7 @@ compiler_comprehension(struct compiler *c, expr_ty e, int type,
is_async_generator = c->u->u_ste->ste_coroutine;
if (is_async_generator && !is_async_function && type != COMP_GENEXP) {
if (is_async_generator && !is_async_function && type != COMP_GENEXP && !top_level_await) {
compiler_error(c, "asynchronous comprehension outside of "
"an asynchronous function");
goto error_in_scope;
@ -4642,6 +4641,9 @@ compiler_comprehension(struct compiler *c, expr_ty e, int type,
qualname = c->u->u_qualname;
Py_INCREF(qualname);
compiler_exit_scope(c);
if (top_level_await && is_async_generator){
c->u->u_ste->ste_coroutine = 1;
}
if (co == NULL)
goto error;