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Issue #23630, asyncio: host parameter of loop.create_server() can now be a

Browse source 
sequence of strings. Patch written by Yann Sionneau.
This commit is contained in:
Victor Stinner 2015-09-21 18:33:43 +02:00
parent f7dc7fb74d
commit 5e4a7d8dc7
5 changed files with 74 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

35
Lib/asyncio/base_events.py
View file

@ -18,6 +18,7 @@ import collections
import concurrent.futures
import heapq
import inspect
import itertools
import logging
import os
import socket
@ -786,6 +787,15 @@ class BaseEventLoop(events.AbstractEventLoop):
return transport, protocol
@coroutine
def _create_server_getaddrinfo(self, host, port, family, flags):
infos = yield from self.getaddrinfo(host, port, family=family,
type=socket.SOCK_STREAM,
flags=flags)
if not infos:
raise OSError('getaddrinfo({!r}) returned empty list'.format(host))
return infos
@coroutine
def create_server(self, protocol_factory, host=None, port=None,
*,
@ -795,7 +805,13 @@ class BaseEventLoop(events.AbstractEventLoop):
backlog=100,
ssl=None,
reuse_address=None):
"""Create a TCP server bound to host and port.
"""Create a TCP server.
The host parameter can be a string, in that case the TCP server is bound
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.
Return a Server object which can be used to stop the service.
@ -813,13 +829,18 @@ class BaseEventLoop(events.AbstractEventLoop):
reuse_address = os.name == 'posix' and sys.platform != 'cygwin'
sockets = []
if host == '':
host = None
hosts = [None]
elif (isinstance(host, str) or
not isinstance(host, collections.Iterable)):
hosts = [host]
else:
hosts = host
infos = yield from self.getaddrinfo(
host, port, family=family,
type=socket.SOCK_STREAM, proto=0, flags=flags)
if not infos:
raise OSError('getaddrinfo() returned empty list')
fs = [self._create_server_getaddrinfo(host, port, family=family,
flags=flags)
for host in hosts]
infos = yield from tasks.gather(*fs, loop=self)
infos = itertools.chain.from_iterable(infos)
completed = False
try: