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import trio
from ... import _abc as abc
class Resolver(abc.AsyncResolver):
async def resolve(self, host, port=0, family=trio.socket.AF_UNSPEC):
infos = await trio.socket.getaddrinfo(
host=host,
port=port,
family=family,
type=trio.socket.SOCK_STREAM,
)
if not infos: # pragma: no cover
raise OSError('Can`t resolve address {}:{} [{}]'.format(host, port, family))
infos = sorted(infos, key=lambda info: info[0])
family, _, _, _, address = infos[0]
return family, address[0]
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