diff options
Diffstat (limited to 'Lib/asyncio/coroutines.py')
| -rw-r--r-- | Lib/asyncio/coroutines.py | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/Lib/asyncio/coroutines.py b/Lib/asyncio/coroutines.py index 3a92c7d..27ab42a 100644 --- a/Lib/asyncio/coroutines.py +++ b/Lib/asyncio/coroutines.py @@ -27,8 +27,8 @@ _YIELD_FROM = opcode.opmap['YIELD_FROM'] # before you define your coroutines. A downside of using this feature # is that tracebacks show entries for the CoroWrapper.__next__ method # when _DEBUG is true. -_DEBUG = (not sys.flags.ignore_environment - and bool(os.environ.get('PYTHONASYNCIODEBUG'))) +_DEBUG = (not sys.flags.ignore_environment and + bool(os.environ.get('PYTHONASYNCIODEBUG'))) try: @@ -86,7 +86,7 @@ class CoroWrapper: def __init__(self, gen, func=None): assert inspect.isgenerator(gen) or inspect.iscoroutine(gen), gen self.gen = gen - self.func = func # Used to unwrap @coroutine decorator + self.func = func # Used to unwrap @coroutine decorator self._source_traceback = traceback.extract_stack(sys._getframe(1)) self.__name__ = getattr(gen, '__name__', None) self.__qualname__ = getattr(gen, '__qualname__', None) @@ -283,10 +283,13 @@ def _format_coroutine(coro): coro_frame = coro.cr_frame filename = coro_code.co_filename - if (isinstance(coro, CoroWrapper) - and not inspect.isgeneratorfunction(coro.func) - and coro.func is not None): - filename, lineno = events._get_function_source(coro.func) + lineno = 0 + if (isinstance(coro, CoroWrapper) and + not inspect.isgeneratorfunction(coro.func) and + coro.func is not None): + source = events._get_function_source(coro.func) + if source is not None: + filename, lineno = source if coro_frame is None: coro_repr = ('%s done, defined at %s:%s' % (coro_name, filename, lineno)) |