C///

\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// import asyncio import functools import pycares import socket from typing import ( Any, List, Optional, Set ) from . import error __version__ = '3.0.0' __all__ = ('DNSResolver', 'error') READ = 1 WRITE = 2 query_type_map = {'A' : pycares.QUERY_TYPE_A, 'AAAA' : pycares.QUERY_TYPE_AAAA, 'ANY' : pycares.QUERY_TYPE_ANY, 'CAA' : pycares.QUERY_TYPE_CAA, 'CNAME' : pycares.QUERY_TYPE_CNAME, 'MX' : pycares.QUERY_TYPE_MX, 'NAPTR' : pycares.QUERY_TYPE_NAPTR, 'NS' : pycares.QUERY_TYPE_NS, 'PTR' : pycares.QUERY_TYPE_PTR, 'SOA' : pycares.QUERY_TYPE_SOA, 'SRV' : pycares.QUERY_TYPE_SRV, 'TXT' : pycares.QUERY_TYPE_TXT } query_class_map = {'IN' : pycares.QUERY_CLASS_IN, 'CHAOS' : pycares.QUERY_CLASS_CHAOS, 'HS' : pycares.QUERY_CLASS_HS, 'NONE' : pycares.QUERY_CLASS_NONE, 'ANY' : pycares.QUERY_CLASS_ANY } class DNSResolver: def __init__(self, nameservers: Optional[List[str]] = None, loop: Optional[asyncio.AbstractEventLoop] = None, **kwargs: Any) -> None: self.loop = loop or asyncio.get_event_loop() assert self.loop is not None kwargs.pop('sock_state_cb', None) self._channel = pycares.Channel(sock_state_cb=self._sock_state_cb, **kwargs) if nameservers: self.nameservers = nameservers self._read_fds = set() # type: Set[int] self._write_fds = set() # type: Set[int] self._timer = None # type: Optional[asyncio.TimerHandle] @property def nameservers(self) -> pycares.Channel: return self._channel.servers @nameservers.setter def nameservers(self, value: List[str]) -> None: self._channel.servers = value @staticmethod def _callback(fut: asyncio.Future, result: Any, errorno: int) -> None: if fut.cancelled(): return if errorno is not None: fut.set_exception(error.DNSError(errorno, pycares.errno.strerror(errorno))) else: fut.set_result(result) def query(self, host: str, qtype: str, qclass: str=None) -> asyncio.Future: try: qtype = query_type_map[qtype] except KeyError: raise ValueError('invalid query type: {}'.format(qtype)) if qclass is not None: try: qclass = query_class_map[qclass] except KeyError: raise ValueError('invalid query class: {}'.format(qclass)) fut = asyncio.Future(loop=self.loop) # type: asyncio.Future cb = functools.partial(self._callback, fut) self._channel.query(host, qtype, cb, query_class=qclass) return fut def gethostbyname(self, host: str, family: socket.AddressFamily) -> asyncio.Future: fut = asyncio.Future(loop=self.loop) # type: asyncio.Future cb = functools.partial(self._callback, fut) self._channel.gethostbyname(host, family, cb) return fut def gethostbyaddr(self, name: str) -> asyncio.Future: fut = asyncio.Fu