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ðŸ“„ __init__.py(7.58 KB)
ðŸ“ __pycache__
ðŸ“„ _cparser.pxd(4.22 KB)
ðŸ“„ _find_header.pxd(68 B)
ðŸ“„ _headers.pxi(1.96 KB)
ðŸ“„ _helpers.cpython-311-x86_64-linux-gnu.so(86.01 KB)
ðŸ“„ _helpers.pyi(202 B)
ðŸ“„ _helpers.pyx(1.02 KB)
ðŸ“„ _http_parser.cpython-311-x86_64-linux-gnu.so(569.59 KB)
ðŸ“„ _http_parser.pyx(27.4 KB)
ðŸ“„ _http_writer.cpython-311-x86_64-linux-gnu.so(75.01 KB)
ðŸ“„ _http_writer.pyx(4.47 KB)
ðŸ“„ _websocket.cpython-311-x86_64-linux-gnu.so(53.37 KB)
ðŸ“„ _websocket.pyx(1.52 KB)
ðŸ“„ abc.py(5.37 KB)
ðŸ“„ base_protocol.py(2.68 KB)
ðŸ“„ client.py(46.17 KB)
ðŸ“„ client_exceptions.py(9.19 KB)
ðŸ“„ client_proto.py(8.45 KB)
ðŸ“„ client_reqrep.py(38.75 KB)
ðŸ“„ client_ws.py(10.75 KB)
ðŸ“„ compression_utils.py(4.9 KB)
ðŸ“„ connector.py(51.56 KB)
ðŸ“„ cookiejar.py(13.69 KB)
ðŸ“„ formdata.py(5.96 KB)
ðŸ“„ hdrs.py(4.5 KB)
ðŸ“„ helpers.py(29.55 KB)
ðŸ“„ http.py(1.8 KB)
ðŸ“„ http_exceptions.py(2.65 KB)
ðŸ“„ http_parser.py(34.66 KB)
ðŸ“„ http_websocket.py(26.09 KB)
ðŸ“„ http_writer.py(5.79 KB)
ðŸ“„ locks.py(1.11 KB)
ðŸ“„ log.py(325 B)
ðŸ“„ multipart.py(31.71 KB)
ðŸ“„ payload.py(13.22 KB)
ðŸ“„ payload_streamer.py(2.04 KB)
ðŸ“„ py.typed(7 B)
ðŸ“„ pytest_plugin.py(11.33 KB)
ðŸ“„ resolver.py(4.95 KB)
ðŸ“„ streams.py(20.35 KB)
ðŸ“„ tcp_helpers.py(961 B)
ðŸ“„ test_utils.py(19.71 KB)
ðŸ“„ tracing.py(14.78 KB)
ðŸ“„ typedefs.py(1.44 KB)
ðŸ“„ web.py(18.81 KB)
ðŸ“„ web_app.py(17.88 KB)
ðŸ“„ web_exceptions.py(10.12 KB)
ðŸ“„ web_fileresponse.py(11.15 KB)
ðŸ“„ web_log.py(7.62 KB)
ðŸ“„ web_middlewares.py(3.94 KB)
ðŸ“„ web_protocol.py(22.5 KB)
ðŸ“„ web_request.py(28.08 KB)
ðŸ“„ web_response.py(27.08 KB)
ðŸ“„ web_routedef.py(5.99 KB)
ðŸ“„ web_runner.py(11.46 KB)
ðŸ“„ web_server.py(2.53 KB)
ðŸ“„ web_urldispatcher.py(39.12 KB)
ðŸ“„ web_ws.py(18.21 KB)
ðŸ“„ worker.py(7.78 KB)

Editing: resolver.py

import asyncio
import socket
from typing import Any, Dict, List, Optional, Type, Union

from .abc import AbstractResolver
from .helpers import get_running_loop

__all__ = ("ThreadedResolver", "AsyncResolver", "DefaultResolver")

try:
    import aiodns

# aiodns_default = hasattr(aiodns.DNSResolver, 'gethostbyname')
except ImportError:  # pragma: no cover
    aiodns = None

aiodns_default = False

class ThreadedResolver(AbstractResolver):
    """Threaded resolver.

Uses an Executor for synchronous getaddrinfo() calls.
    concurrent.futures.ThreadPoolExecutor is used by default.
    """

def __init__(self, loop: Optional[asyncio.AbstractEventLoop] = None) -> None:
        self._loop = get_running_loop(loop)

async def resolve(
        self, hostname: str, port: int = 0, family: int = socket.AF_INET
    ) -> List[Dict[str, Any]]:
        infos = await self._loop.getaddrinfo(
            hostname,
            port,
            type=socket.SOCK_STREAM,
            family=family,
            flags=socket.AI_ADDRCONFIG,
        )

hosts = []
        for family, _, proto, _, address in infos:
            if family == socket.AF_INET6:
                if len(address) < 3:
                    # IPv6 is not supported by Python build,
                    # or IPv6 is not enabled in the host
                    continue
                if address[3]:
                    # This is essential for link-local IPv6 addresses.
                    # LL IPv6 is a VERY rare case. Strictly speaking, we should use
                    # getnameinfo() unconditionally, but performance makes sense.
                    host, _port = socket.getnameinfo(
                        address, socket.NI_NUMERICHOST | socket.NI_NUMERICSERV
                    )
                    port = int(_port)
                else:
                    host, port = address[:2]
            else:  # IPv4
                assert family == socket.AF_INET
                host, port = address  # type: ignore[misc]
            hosts.append(
                {
                    "hostname": hostname,
                    "host": host,
                    "port": port,
                    "family": family,
                    "proto": proto,
                    "flags": socket.AI_NUMERICHOST | socket.AI_NUMERICSERV,
                }
            )

return hosts

async def close(self) -> None:
        pass

class AsyncResolver(AbstractResolver):
    """Use the `aiodns` package to make asynchronous DNS lookups"""

def __init__(
        self,
        loop: Optional[asyncio.AbstractEventLoop] = None,
        *args: Any,
        **kwargs: Any
    ) -> None:
        if aiodns is None:
            raise RuntimeError("Resolver requires aiodns library")

self._loop = get_running_loop(loop)
        self._resolver = aiodns.DNSResolver(*args, loop=loop, **kwargs)

if not hasattr(self._resolver, "gethostbyname"):
            # aiodns 1.1 is not available, fallback to DNSResolver.query
            self.resolve = self._resolve_with_query  # type: ignore

async def resolve(
        self, host: str, port: int = 0, family: int = socket.AF_INET
    ) -> List[Dict[str, Any]]:
        try:
            resp = await self._resolver.gethostbyname(host, family)
        except aiodns.error.DNSError as exc:
            msg = exc.args[1] if len(exc.args) >= 1 else "DNS lookup failed"
            raise OSError(msg) from exc
        hosts = []
        for address in resp.addresses:
            hosts.append(
                {
                    "hostname": host,
                    "host": address,
                    "port": port,
                    "family": family,
                    "proto": 0,
                    "flags": socket.AI_NUMERICHOST | socket.AI_NUMERICSERV,
                }
            )

if not hosts:
            raise OSError("DNS lookup failed")

return hosts

async def _resolve_with_query(
        self, host: str, port: int = 0, family: int = socket.AF_INET
    ) -> List[Dict[str, Any]]:
        if family == socket.AF_INET6:
            qtype = "AAAA"
        else:
            qtype = "A"

try:
            resp = await self._resolver.query(host, qtype)
        except aiodns.error.DNSError as exc:
            msg = exc.args[1] if len(exc.args) >= 1 else "DNS lookup failed"
            raise OSError(msg) from exc

hosts = []
        for rr in resp:
            hosts.append(
                {
                    "hostname": host,
                    "host": rr.host,
                    "port": port,
                    "family": family,
                    "proto": 0,
                    "flags": socket.AI_NUMERICHOST,
                }
            )

if not hosts:
            raise OSError("DNS lookup failed")

return hosts

async def close(self) -> None:
        self._resolver.cancel()

_DefaultType = Type[Union[AsyncResolver, ThreadedResolver]]
DefaultResolver: _DefaultType = AsyncResolver if aiodns_default else ThreadedResolver

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Editing: resolver.py

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