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import socket
from curio.socket import getaddrinfo
from ... import _abc as abc
class Resolver(abc.AsyncResolver):
async def resolve(self, host, port=0, family=socket.AF_UNSPEC):
try:
infos = await getaddrinfo(
host=host,
port=port,
family=family,
type=socket.SOCK_STREAM,
)
except socket.gaierror: # pragma: no cover
infos = None
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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