diff options
Diffstat (limited to 'Lib/asyncio')
| -rw-r--r-- | Lib/asyncio/base_events.py | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/Lib/asyncio/base_events.py b/Lib/asyncio/base_events.py index 4505732..9d07673 100644 --- a/Lib/asyncio/base_events.py +++ b/Lib/asyncio/base_events.py @@ -880,7 +880,10 @@ class BaseEventLoop(events.AbstractEventLoop): to host and port. The host parameter can also be a sequence of strings and in that case - the TCP server is bound to all hosts of the sequence. + the TCP server is bound to all hosts of the sequence. If a host + appears multiple times (possibly indirectly e.g. when hostnames + resolve to the same IP address), the server is only bound once to that + host. Return a Server object which can be used to stop the service. @@ -909,7 +912,7 @@ class BaseEventLoop(events.AbstractEventLoop): flags=flags) for host in hosts] infos = yield from tasks.gather(*fs, loop=self) - infos = itertools.chain.from_iterable(infos) + infos = set(itertools.chain.from_iterable(infos)) completed = False try: |