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| author | Batuhan Taşkaya <47358913+isidentical@users.noreply.github.com> | 2020-03-19 14:35:44 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-03-19 11:35:44 +0000 |
| commit | 9052f7a41b90f2d34011c8da68f9a4facebc8a97 (patch) | |
| tree | ad9b4d2fee6c56940a7a73482629ddb23342036b | |
| parent | 0ac59f93c0e3f91fd994d7245578cce65654fb22 (diff) | |
| download | cpython-git-9052f7a41b90f2d34011c8da68f9a4facebc8a97.tar.gz | |
bpo-39562: Allow executing asynchronous comprehensions in the asyncio REPL (GH-18968)
Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
| -rw-r--r-- | Lib/test/test_builtin.py | 9 | ||||
| -rw-r--r-- | Misc/NEWS.d/next/Core and Builtins/2020-03-12-22-13-50.bpo-39562.E2u273.rst | 2 | ||||
| -rw-r--r-- | Python/compile.c | 7 |
3 files changed, 15 insertions, 3 deletions
diff --git a/Lib/test/test_builtin.py b/Lib/test/test_builtin.py index d6b9ee1a95..1e9012e7e5 100644 --- a/Lib/test/test_builtin.py +++ b/Lib/test/test_builtin.py @@ -390,7 +390,14 @@ class BuiltinTest(unittest.TestCase): '''async for i in arange(1): a = 1''', '''async with asyncio.Lock() as l: - a = 1''' + a = 1''', + '''a = [x async for x in arange(2)][1]''', + '''a = 1 in {x async for x in arange(2)}''', + '''a = {x:1 async for x in arange(1)}[0]''', + '''a = [x async for x in arange(2) async for x in arange(2)][1]''', + '''a = [x async for x in (x async for x in arange(5))][1]''', + '''a, = [1 for x in {x async for x in arange(1)}]''', + '''a = [await asyncio.sleep(0, x) async for x in arange(2)][1]''' ] policy = maybe_get_event_loop_policy() try: diff --git a/Misc/NEWS.d/next/Core and Builtins/2020-03-12-22-13-50.bpo-39562.E2u273.rst b/Misc/NEWS.d/next/Core and Builtins/2020-03-12-22-13-50.bpo-39562.E2u273.rst new file mode 100644 index 0000000000..dbe83c6aa1 --- /dev/null +++ b/Misc/NEWS.d/next/Core and Builtins/2020-03-12-22-13-50.bpo-39562.E2u273.rst @@ -0,0 +1,2 @@ +Allow executing asynchronous comprehensions on the top level when the +``PyCF_ALLOW_TOP_LEVEL_AWAIT`` flag is given. Patch by Batuhan Taskaya. diff --git a/Python/compile.c b/Python/compile.c index a8ab873f31..fa4313a32c 100644 --- a/Python/compile.c +++ b/Python/compile.c @@ -4520,11 +4520,14 @@ compiler_comprehension(struct compiler *c, expr_ty e, int type, PyCodeObject *co = NULL; comprehension_ty outermost; PyObject *qualname = NULL; - int is_async_function = c->u->u_ste->ste_coroutine; int is_async_generator = 0; - outermost = (comprehension_ty) asdl_seq_GET(generators, 0); + 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); if (!compiler_enter_scope(c, name, COMPILER_SCOPE_COMPREHENSION, (void *)e, e->lineno)) { |