New submission from Vladimir Rutsky: Return of @asyncio.coroutine-wrapped coroutine object from @asyncio.coroutine-wrapped coroutine fails if asyncio debug is enabled.
Consider following example: @asyncio.coroutine def outer_coro(): @asyncio.coroutine def inner_coro(): return 1 return g() result = loop.run_until_complete(outer_coro()) If debug is disabled result will be 1, if debug is enabled, result will be CoroWrapper object. This issue is discussed on asyncio mailing list: https://groups.google.com/forum/?fromgroups#!topic/python-tulip/YFfFxftxxDc Complete example to reproduce this problem is here: https://gist.github.com/rutsky/c72be2edeb1c8256d680 Attaching patch for Python 3.4 branch that fixes this issue and add test for this bug. This issue is not reproduced in Python 3.5, because CoroWrapper is awaitable in Python 3.5 (and in Python 3.4 CoroWrapper is not future or generator). ---------- components: asyncio files: fix_return_of_coro_from_coro.diff keywords: patch messages: 254799 nosy: gvanrossum, haypo, vrutsky, yselivanov priority: normal severity: normal status: open title: Return of asyncio.coroutine from asyncio.coroutine don't work in with enabled debug versions: Python 3.4 Added file: http://bugs.python.org/file41063/fix_return_of_coro_from_coro.diff _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue25647> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com