FM / aiohttp

/opt/alt/python38/lib64/python3.8/site-packages/aiohttp/

/opt/alt/python38/lib64/python3.8/site-packages/aiohttp

Name	Size	Mode	Actions
.hash/	-	0755	rm
__pycache__/	-	0755	rm
abc.py	5247	0644	edit dl rm
base_protocol.py	2701	0644	edit dl rm
client.py	43916	0644	edit dl rm
client_exceptions.py	8529	0644	edit dl rm
client_proto.py	8163	0644	edit dl rm
client_reqrep.py	36439	0644	edit dl rm
client_ws.py	10287	0644	edit dl rm
connector.py	42968	0644	edit dl rm
cookiejar.py	12163	0644	edit dl rm
formdata.py	6080	0644	edit dl rm
frozenlist.py	1718	0644	edit dl rm
frozenlist.pyi	1434	0644	edit dl rm
hdrs.py	3446	0644	edit dl rm
helpers.py	22918	0644	edit dl rm
http.py	1824	0644	edit dl rm
http_exceptions.py	2586	0644	edit dl rm
http_parser.py	30781	0644	edit dl rm
http_websocket.py	25098	0644	edit dl rm
http_writer.py	5341	0644	edit dl rm
locks.py	1220	0644	edit dl rm
log.py	325	0644	edit dl rm
multipart.py	32251	0644	edit dl rm
payload.py	13333	0644	edit dl rm
payload_streamer.py	2102	0644	edit dl rm
py.typed	7	0644	edit dl rm
pytest_plugin.py	11009	0644	edit dl rm
resolver.py	4608	0644	edit dl rm
signals.py	852	0644	edit dl rm
signals.pyi	319	0644	edit dl rm
streams.py	20530	0644	edit dl rm
tcp_helpers.py	962	0644	edit dl rm
test_utils.py	20253	0644	edit dl rm
tracing.py	14363	0644	edit dl rm
typedefs.py	1374	0644	edit dl rm
web.py	17881	0644	edit dl rm
web_app.py	17053	0644	edit dl rm
web_exceptions.py	10106	0644	edit dl rm
web_fileresponse.py	9025	0644	edit dl rm
web_log.py	7498	0644	edit dl rm
web_middlewares.py	4193	0644	edit dl rm
web_protocol.py	23251	0644	edit dl rm
web_request.py	26454	0644	edit dl rm
web_response.py	26202	0644	edit dl rm
web_routedef.py	6109	0644	edit dl rm
web_runner.py	11194	0644	edit dl rm
web_server.py	2058	0644	edit dl rm
web_urldispatcher.py	39532	0644	edit dl rm
web_ws.py	16783	0644	edit dl rm
worker.py	8022	0644	edit dl rm
_cparser.pxd	3959	0644	edit dl rm
_find_header.c	187570	0644	edit dl rm
_find_header.h	170	0644	edit dl rm
_find_header.pxd	68	0644	edit dl rm
_frozenlist.c	294193	0644	edit dl rm
_frozenlist.cpython-38-x86_64-linux-gnu.so	82936	0755	edit dl rm
_frozenlist.pyx	2605	0644	edit dl rm
_headers.pxi	2007	0644	edit dl rm
_helpers.c	211989	0644	edit dl rm
_helpers.cpython-38-x86_64-linux-gnu.so	61296	0755	edit dl rm
_helpers.pyi	202	0644	edit dl rm
_helpers.pyx	1049	0644	edit dl rm
_http_parser.c	1011524	0644	edit dl rm
_http_parser.cpython-38-x86_64-linux-gnu.so	475376	0755	edit dl rm
_http_parser.pyx	29022	0644	edit dl rm
_http_writer.c	213020	0644	edit dl rm
_http_writer.cpython-38-x86_64-linux-gnu.so	49160	0755	edit dl rm
_http_writer.pyx	4200	0644	edit dl rm
_websocket.c	137427	0644	edit dl rm
_websocket.cpython-38-x86_64-linux-gnu.so	31128	0755	edit dl rm
_websocket.pyx	1561	0644	edit dl rm
__init__.py	6934	0644	edit dl rm

Edit: /opt/alt/python38/lib64/python3.8/site-packages/aiohttp/client.py (43916B)

"""HTTP Client for asyncio."""

import asyncio
import base64
import hashlib
import json
import os
import sys
import traceback
import warnings
from types import SimpleNamespace, TracebackType
from typing import (
    Any,
    Awaitable,
    Callable,
    Coroutine,
    FrozenSet,
    Generator,
    Generic,
    Iterable,
    List,
    Mapping,
    Optional,
    Set,
    Tuple,
    Type,
    TypeVar,
    Union,
)

import attr
from multidict import CIMultiDict, MultiDict, MultiDictProxy, istr
from yarl import URL

from . import hdrs, http, payload
from .abc import AbstractCookieJar
from .client_exceptions import (
    ClientConnectionError as ClientConnectionError,
    ClientConnectorCertificateError as ClientConnectorCertificateError,
    ClientConnectorError as ClientConnectorError,
    ClientConnectorSSLError as ClientConnectorSSLError,
    ClientError as ClientError,
    ClientHttpProxyError as ClientHttpProxyError,
    ClientOSError as ClientOSError,
    ClientPayloadError as ClientPayloadError,
    ClientProxyConnectionError as ClientProxyConnectionError,
    ClientResponseError as ClientResponseError,
    ClientSSLError as ClientSSLError,
    ContentTypeError as ContentTypeError,
    InvalidURL as InvalidURL,
    ServerConnectionError as ServerConnectionError,
    ServerDisconnectedError as ServerDisconnectedError,
    ServerFingerprintMismatch as ServerFingerprintMismatch,
    ServerTimeoutError as ServerTimeoutError,
    TooManyRedirects as TooManyRedirects,
    WSServerHandshakeError as WSServerHandshakeError,
)
from .client_reqrep import (
    ClientRequest as ClientRequest,
    ClientResponse as ClientResponse,
    Fingerprint as Fingerprint,
    RequestInfo as RequestInfo,
    _merge_ssl_params,
)
from .client_ws import ClientWebSocketResponse as ClientWebSocketResponse
from .connector import (
    BaseConnector as BaseConnector,
    NamedPipeConnector as NamedPipeConnector,
    TCPConnector as TCPConnector,
    UnixConnector as UnixConnector,
)
from .cookiejar import CookieJar
from .helpers import (
    DEBUG,
    PY_36,
    BasicAuth,
    CeilTimeout,
    TimeoutHandle,
    get_running_loop,
    proxies_from_env,
    sentinel,
    strip_auth_from_url,
)
from .http import WS_KEY, HttpVersion, WebSocketReader, WebSocketWriter
from .http_websocket import WSHandshakeError, WSMessage, ws_ext_gen, ws_ext_parse
from .streams import FlowControlDataQueue
from .tracing import Trace, TraceConfig
from .typedefs import JSONEncoder, LooseCookies, LooseHeaders, StrOrURL

__all__ = (
    # client_exceptions
    "ClientConnectionError",
    "ClientConnectorCertificateError",
    "ClientConnectorError",
    "ClientConnectorSSLError",
    "ClientError",
    "ClientHttpProxyError",
    "ClientOSError",
    "ClientPayloadError",
    "ClientProxyConnectionError",
    "ClientResponseError",
    "ClientSSLError",
    "ContentTypeError",
    "InvalidURL",
    "ServerConnectionError",
    "ServerDisconnectedError",
    "ServerFingerprintMismatch",
    "ServerTimeoutError",
    "TooManyRedirects",
    "WSServerHandshakeError",
    # client_reqrep
    "ClientRequest",
    "ClientResponse",
    "Fingerprint",
    "RequestInfo",
    # connector
    "BaseConnector",
    "TCPConnector",
    "UnixConnector",
    "NamedPipeConnector",
    # client_ws
    "ClientWebSocketResponse",
    # client
    "ClientSession",
    "ClientTimeout",
    "request",
)

try:
    from ssl import SSLContext
except ImportError:  # pragma: no cover
    SSLContext = object  # type: ignore

@attr.s(auto_attribs=True, frozen=True, slots=True)
class ClientTimeout:
    total: Optional[float] = None
    connect: Optional[float] = None
    sock_read: Optional[float] = None
    sock_connect: Optional[float] = None

# pool_queue_timeout: Optional[float] = None
    # dns_resolution_timeout: Optional[float] = None
    # socket_connect_timeout: Optional[float] = None
    # connection_acquiring_timeout: Optional[float] = None
    # new_connection_timeout: Optional[float] = None
    # http_header_timeout: Optional[float] = None
    # response_body_timeout: Optional[float] = None

# to create a timeout specific for a single request, either
    # - create a completely new one to overwrite the default
    # - or use http://www.attrs.org/en/stable/api.html#attr.evolve
    # to overwrite the defaults

# 5 Minute default read timeout
DEFAULT_TIMEOUT = ClientTimeout(total=5 * 60)

_RetType = TypeVar("_RetType")

class ClientSession:
    """First-class interface for making HTTP requests."""

ATTRS = frozenset(
        [
            "_source_traceback",
            "_connector",
            "requote_redirect_url",
            "_loop",
            "_cookie_jar",
            "_connector_owner",
            "_default_auth",
            "_version",
            "_json_serialize",
            "_requote_redirect_url",
            "_timeout",
            "_raise_for_status",
            "_auto_decompress",
            "_trust_env",
            "_default_headers",
            "_skip_auto_headers",
            "_request_class",
            "_response_class",
            "_ws_response_class",
            "_trace_configs",
            "_read_bufsize",
        ]
    )

_source_traceback = None

def __init__(
        self,
        *,
        connector: Optional[BaseConnector] = None,
        loop: Optional[asyncio.AbstractEventLoop] = None,
        cookies: Optional[LooseCookies] = None,
        headers: Optional[LooseHeaders] = None,
        skip_auto_headers: Optional[Iterable[str]] = None,
        auth: Optional[BasicAuth] = None,
        json_serialize: JSONEncoder = json.dumps,
        request_class: Type[ClientRequest] = ClientRequest,
        response_class: Type[ClientResponse] = ClientResponse,
        ws_response_class: Type[ClientWebSocketResponse] = ClientWebSocketResponse,
        version: HttpVersion = http.HttpVersion11,
        cookie_jar: Optional[AbstractCookieJar] = None,
        connector_owner: bool = True,
        raise_for_status: bool = False,
        read_timeout: Union[float, object] = sentinel,
        conn_timeout: Optional[float] = None,
        timeout: Union[object, ClientTimeout] = sentinel,
        auto_decompress: bool = True,
        trust_env: bool = False,
        requote_redirect_url: bool = True,
        trace_configs: Optional[List[TraceConfig]] = None,
        read_bufsize: int = 2 ** 16,
    ) -> None:

if loop is None:
            if connector is not None:
                loop = connector._loop

loop = get_running_loop(loop)

if connector is None:
            connector = TCPConnector(loop=loop)

if connector._loop is not loop:
            raise RuntimeError("Session and connector has to use same event loop")

self._loop = loop

if loop.get_debug():
            self._source_traceback = traceback.extract_stack(sys._getframe(1))

if cookie_jar is None:
            cookie_jar = CookieJar(loop=loop)
        self._cookie_jar = cookie_jar

if cookies is not None:
            self._cookie_jar.update_cookies(cookies)

self._connector = connector  # type: Optional[BaseConnector]
        self._connector_owner = connector_owner
        self._default_auth = auth
        self._version = version
        self._json_serialize = json_serialize
        if timeout is sentinel:
            self._timeout = DEFAULT_TIMEOUT
            if read_timeout is not sentinel:
                warnings.warn(
                    "read_timeout is deprecated, " "use timeout argument instead",
                    DeprecationWarning,
                    stacklevel=2,
                )
                self._timeout = attr.evolve(self._timeout, total=read_timeout)
            if conn_timeout is not None:
                self._timeout = attr.evolve(self._timeout, connect=conn_timeout)
                warnings.warn(
                    "conn_timeout is deprecated, " "use timeout argument instead",
                    DeprecationWarning,
                    stacklevel=2,
                )
        else:
            self._timeout = timeout  # type: ignore
            if read_timeout is not sentinel:
                raise ValueError(
                    "read_timeout and timeout parameters "
                    "conflict, please setup "
                    "timeout.read"
                )
            if conn_timeout is not None:
                raise ValueError(
                    "conn_timeout and timeout parameters "
                    "conflict, please setup "
                    "timeout.connect"
                )
        self._raise_for_status = raise_for_status
        self._auto_decompress = auto_decompress
        self._trust_env = trust_env
        self._requote_redirect_url = requote_redirect_url
        self._read_bufsize = read_bufsize

# Convert to list of tuples
        if headers:
            real_headers = CIMultiDict(headers)  # type: CIMultiDict[str]
        else:
            real_headers = CIMultiDict()
        self._default_headers = real_headers  # type: CIMultiDict[str]
        if skip_auto_headers is not None:
            self._skip_auto_headers = frozenset([istr(i) for i in skip_auto_headers])
        else:
            self._skip_auto_headers = frozenset()

self._request_class = request_class
        self._response_class = response_class
        self._ws_response_class = ws_response_class

self._trace_configs = trace_configs or []
        for trace_config in self._trace_configs:
            trace_config.freeze()

def __init_subclass__(cls: Type["ClientSession"]) -> None:
        warnings.warn(
            "Inheritance class {} from ClientSession "
            "is discouraged".format(cls.__name__),
            DeprecationWarning,
            stacklevel=2,
        )

if DEBUG:

def __setattr__(self, name: str, val: Any) -> None:
            if name not in self.ATTRS:
                warnings.warn(
                    "Setting custom ClientSession.{} attribute "
                    "is discouraged".format(name),
                    DeprecationWarning,
                    stacklevel=2,
                )
            super().__setattr__(name, val)

def __del__(self, _warnings: Any = warnings) -> None:
        if not self.closed:
            if PY_36:
                kwargs = {"source": self}
            else:
                kwargs = {}
            _warnings.warn(
                f"Unclosed client session {self!r}", ResourceWarning, **kwargs
            )
            context = {"client_session": self, "message": "Unclosed client session"}
            if self._source_traceback is not None:
                context["source_traceback"] = self._source_traceback
            self._loop.call_exception_handler(context)

def request(
        self, method: str, url: StrOrURL, **kwargs: Any
    ) -> "_RequestContextManager":
        """Perform HTTP request."""
        return _RequestContextManager(self._request(method, url, **kwargs))

async def _request(
        self,
        method: str,
        str_or_url: StrOrURL,
        *,
        params: Optional[Mapping[str, str]] = None,
        data: Any = None,
        json: Any = None,
        cookies: Optional[LooseCookies] = None,
        headers: Optional[LooseHeaders] = None,
        skip_auto_headers: Optional[Iterable[str]] = None,
        auth: Optional[BasicAuth] = None,
        allow_redirects: bool = True,
        max_redirects: int = 10,
        compress: Optional[str] = None,
        chunked: Optional[bool] = None,
        expect100: bool = False,
        raise_for_status: Optional[bool] = None,
        read_until_eof: bool = True,
        proxy: Optional[StrOrURL] = None,
        proxy_auth: Optional[BasicAuth] = None,
        timeout: Union[ClientTimeout, object] = sentinel,
        verify_ssl: Optional[bool] = None,
        fingerprint: Optional[bytes] = None,
        ssl_context: Optional[SSLContext] = None,
        ssl: Optional[Union[SSLContext, bool, Fingerprint]] = None,
        proxy_headers: Optional[LooseHeaders] = None,
        trace_request_ctx: Optional[SimpleNamespace] = None,
        read_bufsize: Optional[int] = None,
    ) -> ClientResponse:

# NOTE: timeout clamps existing connect and read timeouts.  We cannot
        # set the default to None because we need to detect if the user wants
        # to use the existing timeouts by setting timeout to None.

if self.closed:
            raise RuntimeError("Session is closed")

ssl = _merge_ssl_params(ssl, verify_ssl, ssl_context, fingerprint)

if data is not None and json is not None:
            raise ValueError(
                "data and json parameters can not be used at the same time"
            )
        elif json is not None:
            data = payload.JsonPayload(json, dumps=self._json_serialize)

if not isinstance(chunked, bool) and chunked is not None:
            warnings.warn("Chunk size is deprecated #1615", DeprecationWarning)

redirects = 0
        history = []
        version = self._version

# Merge with default headers and transform to CIMultiDict
        headers = self._prepare_headers(headers)
        proxy_headers = self._prepare_headers(proxy_headers)

try:
            url = URL(str_or_url)
        except ValueError as e:
            raise InvalidURL(str_or_url) from e

skip_headers = set(self._skip_auto_headers)
        if skip_auto_headers is not None:
            for i in skip_auto_headers:
                skip_headers.add(istr(i))

if proxy is not None:
            try:
                proxy = URL(proxy)
            except ValueError as e:
                raise InvalidURL(proxy) from e

if timeout is sentinel:
            real_timeout = self._timeout  # type: ClientTimeout
        else:
            if not isinstance(timeout, ClientTimeout):
                real_timeout = ClientTimeout(total=timeout)  # type: ignore
            else:
                real_timeout = timeout
        # timeout is cumulative for all request operations
        # (request, redirects, responses, data consuming)
        tm = TimeoutHandle(self._loop, real_timeout.total)
        handle = tm.start()

if read_bufsize is None:
            read_bufsize = self._read_bufsize

traces = [
            Trace(
                self,
                trace_config,
                trace_config.trace_config_ctx(trace_request_ctx=trace_request_ctx),
            )
            for trace_config in self._trace_configs
        ]

for trace in traces:
            await trace.send_request_start(method, url, headers)

timer = tm.timer()
        try:
            with timer:
                while True:
                    url, auth_from_url = strip_auth_from_url(url)
                    if auth and auth_from_url:
                        raise ValueError(
                            "Cannot combine AUTH argument with "
                            "credentials encoded in URL"
                        )

if auth is None:
                        auth = auth_from_url
                    if auth is None:
                        auth = self._default_auth
                    # It would be confusing if we support explicit
                    # Authorization header with auth argument
                    if (
                        headers is not None
                        and auth is not None
                        and hdrs.AUTHORIZATION in headers
                    ):
                        raise ValueError(
                            "Cannot combine AUTHORIZATION header "
                            "with AUTH argument or credentials "
                            "encoded in URL"
                        )

all_cookies = self._cookie_jar.filter_cookies(url)

if cookies is not None:
                        tmp_cookie_jar = CookieJar()
                        tmp_cookie_jar.update_cookies(cookies)
                        req_cookies = tmp_cookie_jar.filter_cookies(url)
                        if req_cookies:
                            all_cookies.load(req_cookies)

if proxy is not None:
                        proxy = URL(proxy)
                    elif self._trust_env:
                        for scheme, proxy_info in proxies_from_env().items():
                            if scheme == url.scheme:
                                proxy = proxy_info.proxy
                                proxy_auth = proxy_info.proxy_auth
                                break

req = self._request_class(
                        method,
                        url,
                        params=params,
                        headers=headers,
                        skip_auto_headers=skip_headers,
                        data=data,
                        cookies=all_cookies,
                        auth=auth,
                        version=version,
                        compress=compress,
                        chunked=chunked,
                        expect100=expect100,
                        loop=self._loop,
                        response_class=self._response_class,
                        proxy=proxy,
                        proxy_auth=proxy_auth,
                        timer=timer,
                        session=self,
                        ssl=ssl,
                        proxy_headers=proxy_headers,
                        traces=traces,
                    )

# connection timeout
                    try:
                        with CeilTimeout(real_timeout.connect, loop=self._loop):
                            assert self._connector is not None
                            conn = await self._connector.connect(
                                req, traces=traces, timeout=real_timeout
                            )
                    except asyncio.TimeoutError as exc:
                        raise ServerTimeoutError(
                            "Connection timeout " "to host {}".format(url)
                        ) from exc

assert conn.transport is not None

assert conn.protocol is not None
                    conn.protocol.set_response_params(
                        timer=timer,
                        skip_payload=method.upper() == "HEAD",
                        read_until_eof=read_until_eof,
                        auto_decompress=self._auto_decompress,
                        read_timeout=real_timeout.sock_read,
                        read_bufsize=read_bufsize,
                    )

try:
                        try:
                            resp = await req.send(conn)
                            try:
                                await resp.start(conn)
                            except BaseException:
                                resp.close()
                                raise
                        except BaseException:
                            conn.close()
                            raise
                    except ClientError:
                        raise
                    except OSError as exc:
                        raise ClientOSError(*exc.args) from exc

self._cookie_jar.update_cookies(resp.cookies, resp.url)

# redirects
                    if resp.status in (301, 302, 303, 307, 308) and allow_redirects:

for trace in traces:
                            await trace.send_request_redirect(
                                method, url, headers, resp
                            )

redirects += 1
                        history.append(resp)
                        if max_redirects and redirects >= max_redirects:
                            resp.close()
                            raise TooManyRedirects(
                                history[0].request_info, tuple(history)
                            )

# For 301 and 302, mimic IE, now changed in RFC
                        # https://github.com/kennethreitz/requests/pull/269
                        if (resp.status == 303 and resp.method != hdrs.METH_HEAD) or (
                            resp.status in (301, 302) and resp.method == hdrs.METH_POST
                        ):
                            method = hdrs.METH_GET
                            data = None
                            if headers.get(hdrs.CONTENT_LENGTH):
                                headers.pop(hdrs.CONTENT_LENGTH)

r_url = resp.headers.get(hdrs.LOCATION) or resp.headers.get(
                            hdrs.URI
                        )
                        if r_url is None:
                            # see github.com/aio-libs/aiohttp/issues/2022
                            break
                        else:
                            # reading from correct redirection
                            # response is forbidden
                            resp.release()

try:
                            parsed_url = URL(
                                r_url, encoded=not self._requote_redirect_url
                            )

except ValueError as e:
                            raise InvalidURL(r_url) from e

scheme = parsed_url.scheme
                        if scheme not in ("http", "https", ""):
                            resp.close()
                            raise ValueError("Can redirect only to http or https")
                        elif not scheme:
                            parsed_url = url.join(parsed_url)

if url.origin() != parsed_url.origin():
                            auth = None
                            headers.pop(hdrs.AUTHORIZATION, None)

url = parsed_url
                        params = None
                        resp.release()
                        continue

break

# check response status
            if raise_for_status is None:
                raise_for_status = self._raise_for_status
            if raise_for_status:
                resp.raise_for_status()

# register connection
            if handle is not None:
                if resp.connection is not None:
                    resp.connection.add_callback(handle.cancel)
                else:
                    handle.cancel()

resp._history = tuple(history)

for trace in traces:
                await trace.send_request_end(method, url, headers, resp)
            return resp

except BaseException as e:
            # cleanup timer
            tm.close()
            if handle:
                handle.cancel()
                handle = None

for trace in traces:
                await trace.send_request_exception(method, url, headers, e)
            raise

def ws_connect(
        self,
        url: StrOrURL,
        *,
        method: str = hdrs.METH_GET,
        protocols: Iterable[str] = (),
        timeout: float = 10.0,
        receive_timeout: Optional[float] = None,
        autoclose: bool = True,
        autoping: bool = True,
        heartbeat: Optional[float] = None,
        auth: Optional[BasicAuth] = None,
        origin: Optional[str] = None,
        headers: Optional[LooseHeaders] = None,
        proxy: Optional[StrOrURL] = None,
        proxy_auth: Optional[BasicAuth] = None,
        ssl: Union[SSLContext, bool, None, Fingerprint] = None,
        verify_ssl: Optional[bool] = None,
        fingerprint: Optional[bytes] = None,
        ssl_context: Optional[SSLContext] = None,
        proxy_headers: Optional[LooseHeaders] = None,
        compress: int = 0,
        max_msg_size: int = 4 * 1024 * 1024,
    ) -> "_WSRequestContextManager":
        """Initiate websocket connection."""
        return _WSRequestContextManager(
            self._ws_connect(
                url,
                method=method,
                protocols=protocols,
                timeout=timeout,
                receive_timeout=receive_timeout,
                autoclose=autoclose,
                autoping=autoping,
                heartbeat=heartbeat,
                auth=auth,
                origin=origin,
                headers=headers,
                proxy=proxy,
                proxy_auth=proxy_auth,
                ssl=ssl,
                verify_ssl=verify_ssl,
                fingerprint=fingerprint,
                ssl_context=ssl_context,
                proxy_headers=proxy_headers,
                compress=compress,
                max_msg_size=max_msg_size,
            )
        )

async def _ws_connect(
        self,
        url: StrOrURL,
        *,
        method: str = hdrs.METH_GET,
        protocols: Iterable[str] = (),
        timeout: float = 10.0,
        receive_timeout: Optional[float] = None,
        autoclose: bool = True,
        autoping: bool = True,
        heartbeat: Optional[float] = None,
        auth: Optional[BasicAuth] = None,
        origin: Optional[str] = None,
        headers: Optional[LooseHeaders] = None,
        proxy: Optional[StrOrURL] = None,
        proxy_auth: Optional[BasicAuth] = None,
        ssl: Union[SSLContext, bool, None, Fingerprint] = None,
        verify_ssl: Optional[bool] = None,
        fingerprint: Optional[bytes] = None,
        ssl_context: Optional[SSLContext] = None,
        proxy_headers: Optional[LooseHeaders] = None,
        compress: int = 0,
        max_msg_size: int = 4 * 1024 * 1024,
    ) -> ClientWebSocketResponse:

if headers is None:
            real_headers = CIMultiDict()  # type: CIMultiDict[str]
        else:
            real_headers = CIMultiDict(headers)

default_headers = {
            hdrs.UPGRADE: "websocket",
            hdrs.CONNECTION: "upgrade",
            hdrs.SEC_WEBSOCKET_VERSION: "13",
        }

for key, value in default_headers.items():
            real_headers.setdefault(key, value)

sec_key = base64.b64encode(os.urandom(16))
        real_headers[hdrs.SEC_WEBSOCKET_KEY] = sec_key.decode()

if protocols:
            real_headers[hdrs.SEC_WEBSOCKET_PROTOCOL] = ",".join(protocols)
        if origin is not None:
            real_headers[hdrs.ORIGIN] = origin
        if compress:
            extstr = ws_ext_gen(compress=compress)
            real_headers[hdrs.SEC_WEBSOCKET_EXTENSIONS] = extstr

ssl = _merge_ssl_params(ssl, verify_ssl, ssl_context, fingerprint)

# send request
        resp = await self.request(
            method,
            url,
            headers=real_headers,
            read_until_eof=False,
            auth=auth,
            proxy=proxy,
            proxy_auth=proxy_auth,
            ssl=ssl,
            proxy_headers=proxy_headers,
        )

try:
            # check handshake
            if resp.status != 101:
                raise WSServerHandshakeError(
                    resp.request_info,
                    resp.history,
                    message="Invalid response status",
                    status=resp.status,
                    headers=resp.headers,
                )

if resp.headers.get(hdrs.UPGRADE, "").lower() != "websocket":
                raise WSServerHandshakeError(
                    resp.request_info,
                    resp.history,
                    message="Invalid upgrade header",
                    status=resp.status,
                    headers=resp.headers,
                )

if resp.headers.get(hdrs.CONNECTION, "").lower() != "upgrade":
                raise WSServerHandshakeError(
                    resp.request_info,
                    resp.history,
                    message="Invalid connection header",
                    status=resp.status,
                    headers=resp.headers,
                )

# key calculation
            r_key = resp.headers.get(hdrs.SEC_WEBSOCKET_ACCEPT, "")
            match = base64.b64encode(hashlib.sha1(sec_key + WS_KEY).digest()).decode()
            if r_key != match:
                raise WSServerHandshakeError(
                    resp.request_info,
                    resp.history,
                    message="Invalid challenge response",
                    status=resp.status,
                    headers=resp.headers,
                )

# websocket protocol
            protocol = None
            if protocols and hdrs.SEC_WEBSOCKET_PROTOCOL in resp.headers:
                resp_protocols = [
                    proto.strip()
                    for proto in resp.headers[hdrs.SEC_WEBSOCKET_PROTOCOL].split(",")
                ]

for proto in resp_protocols:
                    if proto in protocols:
                        protocol = proto
                        break

# websocket compress
            notakeover = False
            if compress:
                compress_hdrs = resp.headers.get(hdrs.SEC_WEBSOCKET_EXTENSIONS)
                if compress_hdrs:
                    try:
                        compress, notakeover = ws_ext_parse(compress_hdrs)
                    except WSHandshakeError as exc:
                        raise WSServerHandshakeError(
                            resp.request_info,
                            resp.history,
                            message=exc.args[0],
                            status=resp.status,
                            headers=resp.headers,
                        ) from exc
                else:
                    compress = 0
                    notakeover = False

conn = resp.connection
            assert conn is not None
            conn_proto = conn.protocol
            assert conn_proto is not None
            transport = conn.transport
            assert transport is not None
            reader = FlowControlDataQueue(
                conn_proto, 2 ** 16, loop=self._loop
            )  # type: FlowControlDataQueue[WSMessage]
            conn_proto.set_parser(WebSocketReader(reader, max_msg_size), reader)
            writer = WebSocketWriter(
                conn_proto,
                transport,
                use_mask=True,
                compress=compress,
                notakeover=notakeover,
            )
        except BaseException:
            resp.close()
            raise
        else:
            return self._ws_response_class(
                reader,
                writer,
                protocol,
                resp,
                timeout,
                autoclose,
                autoping,
                self._loop,
                receive_timeout=receive_timeout,
                heartbeat=heartbeat,
                compress=compress,
                client_notakeover=notakeover,
            )

def _prepare_headers(self, headers: Optional[LooseHeaders]) -> "CIMultiDict[str]":
        """Add default headers and transform it to CIMultiDict"""
        # Convert headers to MultiDict
        result = CIMultiDict(self._default_headers)
        if headers:
            if not isinstance(headers, (MultiDictProxy, MultiDict)):
                headers = CIMultiDict(headers)
            added_names = set()  # type: Set[str]
            for key, value in headers.items():
                if key in added_names:
                    result.add(key, value)
                else:
                    result[key] = value
                    added_names.add(key)
        return result

def get(
        self, url: StrOrURL, *, allow_redirects: bool = True, **kwargs: Any
    ) -> "_RequestContextManager":
        """Perform HTTP GET request."""
        return _RequestContextManager(
            self._request(hdrs.METH_GET, url, allow_redirects=allow_redirects, **kwargs)
        )

def options(
        self, url: StrOrURL, *, allow_redirects: bool = True, **kwargs: Any
    ) -> "_RequestContextManager":
        """Perform HTTP OPTIONS request."""
        return _RequestContextManager(
            self._request(
                hdrs.METH_OPTIONS, url, allow_redirects=allow_redirects, **kwargs
            )
        )

def head(
        self, url: StrOrURL, *, allow_redirects: bool = False, **kwargs: Any
    ) -> "_RequestContextManager":
        """Perform HTTP HEAD request."""
        return _RequestContextManager(
            self._request(
                hdrs.METH_HEAD, url, allow_redirects=allow_redirects, **kwargs
            )
        )

def post(
        self, url: StrOrURL, *, data: Any = None, **kwargs: Any
    ) -> "_RequestContextManager":
        """Perform HTTP POST request."""
        return _RequestContextManager(
            self._request(hdrs.METH_POST, url, data=data, **kwargs)
        )

def put(
        self, url: StrOrURL, *, data: Any = None, **kwargs: Any
    ) -> "_RequestContextManager":
        """Perform HTTP PUT request."""
        return _RequestContextManager(
            self._request(hdrs.METH_PUT, url, data=data, **kwargs)
        )

def patch(
        self, url: StrOrURL, *, data: Any = None, **kwargs: Any
    ) -> "_RequestContextManager":
        """Perform HTTP PATCH request."""
        return _RequestContextManager(
            self._request(hdrs.METH_PATCH, url, data=data, **kwargs)
        )

def delete(self, url: StrOrURL, **kwargs: Any) -> "_RequestContextManager":
        """Perform HTTP DELETE request."""
        return _RequestContextManager(self._request(hdrs.METH_DELETE, url, **kwargs))

async def close(self) -> None:
        """Close underlying connector.

Release all acquired resources.
        """
        if not self.closed:
            if self._connector is not None and self._connector_owner:
                await self._connector.close()
            self._connector = None

@property
    def closed(self) -> bool:
        """Is client session closed.

A readonly property.
        """
        return self._connector is None or self._connector.closed

@property
    def connector(self) -> Optional[BaseConnector]:
        """Connector instance used for the session."""
        return self._connector

@property
    def cookie_jar(self) -> AbstractCookieJar:
        """The session cookies."""
        return self._cookie_jar

@property
    def version(self) -> Tuple[int, int]:
        """The session HTTP protocol version."""
        return self._version

@property
    def requote_redirect_url(self) -> bool:
        """Do URL requoting on redirection handling."""
        return self._requote_redirect_url

@requote_redirect_url.setter
    def requote_redirect_url(self, val: bool) -> None:
        """Do URL requoting on redirection handling."""
        warnings.warn(
            "session.requote_redirect_url modification " "is deprecated #2778",
            DeprecationWarning,
            stacklevel=2,
        )
        self._requote_redirect_url = val

@property
    def loop(self) -> asyncio.AbstractEventLoop:
        """Session's loop."""
        warnings.warn(
            "client.loop property is deprecated", DeprecationWarning, stacklevel=2
        )
        return self._loop

@property
    def timeout(self) -> Union[object, ClientTimeout]:
        """Timeout for the session."""
        return self._timeout

@property
    def headers(self) -> "CIMultiDict[str]":
        """The default headers of the client session."""
        return self._default_headers

@property
    def skip_auto_headers(self) -> FrozenSet[istr]:
        """Headers for which autogeneration should be skipped"""
        return self._skip_auto_headers

@property
    def auth(self) -> Optional[BasicAuth]:
        """An object that represents HTTP Basic Authorization"""
        return self._default_auth

@property
    def json_serialize(self) -> JSONEncoder:
        """Json serializer callable"""
        return self._json_serialize

@property
    def connector_owner(self) -> bool:
        """Should connector be closed on session closing"""
        return self._connector_owner

@property
    def raise_for_status(
        self,
    ) -> Union[bool, Callable[[ClientResponse], Awaitable[None]]]:
        """
        Should `ClientResponse.raise_for_status()`
        be called for each response
        """
        return self._raise_for_status

@property
    def auto_decompress(self) -> bool:
        """Should the body response be automatically decompressed"""
        return self._auto_decompress

@property
    def trust_env(self) -> bool:
        """
        Should get proxies information
        from HTTP_PROXY / HTTPS_PROXY environment variables
        or ~/.netrc file if present
        """
        return self._trust_env

@property
    def trace_configs(self) -> List[TraceConfig]:
        """A list of TraceConfig instances used for client tracing"""
        return self._trace_configs

def detach(self) -> None:
        """Detach connector from session without closing the former.

Session is switched to closed state anyway.
        """
        self._connector = None

def __enter__(self) -> None:
        raise TypeError("Use async with instead")

def __exit__(
        self,
        exc_type: Optional[Type[BaseException]],
        exc_val: Optional[BaseException],
        exc_tb: Optional[TracebackType],
    ) -> None:
        # __exit__ should exist in pair with __enter__ but never executed
        pass  # pragma: no cover

async def __aenter__(self) -> "ClientSession":
        return self

async def __aexit__(
        self,
        exc_type: Optional[Type[BaseException]],
        exc_val: Optional[BaseException],
        exc_tb: Optional[TracebackType],
    ) -> None:
        await self.close()

class _BaseRequestContextManager(Coroutine[Any, Any, _RetType], Generic[_RetType]):

__slots__ = ("_coro", "_resp")

def __init__(self, coro: Coroutine["asyncio.Future[Any]", None, _RetType]) -> None:
        self._coro = coro

def send(self, arg: None) -> "asyncio.Future[Any]":
        return self._coro.send(arg)

def throw(self, arg: BaseException) -> None:  # type: ignore
        self._coro.throw(arg)

def close(self) -> None:
        return self._coro.close()

def __await__(self) -> Generator[Any, None, _RetType]:
        ret = self._coro.__await__()
        return ret

def __iter__(self) -> Generator[Any, None, _RetType]:
        return self.__await__()

async def __aenter__(self) -> _RetType:
        self._resp = await self._coro
        return self._resp

class _RequestContextManager(_BaseRequestContextManager[ClientResponse]):
    async def __aexit__(
        self,
        exc_type: Optional[Type[BaseException]],
        exc: Optional[BaseException],
        tb: Optional[TracebackType],
    ) -> None:
        # We're basing behavior on the exception as it can be caused by
        # user code unrelated to the status of the connection.  If you
        # would like to close a connection you must do that
        # explicitly.  Otherwise connection error handling should kick in
        # and close/recycle the connection as required.
        self._resp.release()

class _WSRequestContextManager(_BaseRequestContextManager[ClientWebSocketResponse]):
    async def __aexit__(
        self,
        exc_type: Optional[Type[BaseException]],
        exc: Optional[BaseException],
        tb: Optional[TracebackType],
    ) -> None:
        await self._resp.close()

class _SessionRequestContextManager:

__slots__ = ("_coro", "_resp", "_session")

def __init__(
        self,
        coro: Coroutine["asyncio.Future[Any]", None, ClientResponse],
        session: ClientSession,
    ) -> None:
        self._coro = coro
        self._resp = None  # type: Optional[ClientResponse]
        self._session = session

async def __aenter__(self) -> ClientResponse:
        try:
            self._resp = await self._coro
        except BaseException:
            await self._session.close()
            raise
        else:
            return self._resp

async def __aexit__(
        self,
        exc_type: Optional[Type[BaseException]],
        exc: Optional[BaseException],
        tb: Optional[TracebackType],
    ) -> None:
        assert self._resp is not None
        self._resp.close()
        await self._session.close()

def request(
    method: str,
    url: StrOrURL,
    *,
    params: Optional[Mapping[str, str]] = None,
    data: Any = None,
    json: Any = None,
    headers: Optional[LooseHeaders] = None,
    skip_auto_headers: Optional[Iterable[str]] = None,
    auth: Optional[BasicAuth] = None,
    allow_redirects: bool = True,
    max_redirects: int = 10,
    compress: Optional[str] = None,
    chunked: Optional[bool] = None,
    expect100: bool = False,
    raise_for_status: Optional[bool] = None,
    read_until_eof: bool = True,
    proxy: Optional[StrOrURL] = None,
    proxy_auth: Optional[BasicAuth] = None,
    timeout: Union[ClientTimeout, object] = sentinel,
    cookies: Optional[LooseCookies] = None,
    version: HttpVersion = http.HttpVersion11,
    connector: Optional[BaseConnector] = None,
    read_bufsize: Optional[int] = None,
    loop: Optional[asyncio.AbstractEventLoop] = None,
) -> _SessionRequestContextManager:
    """Constructs and sends a request. Returns response object.
    method - HTTP method
    url - request url
    params - (optional) Dictionary or bytes to be sent in the query
      string of the new request
    data - (optional) Dictionary, bytes, or file-like object to
      send in the body of the request
    json - (optional) Any json compatible python object
    headers - (optional) Dictionary of HTTP Headers to send with
      the request
    cookies - (optional) Dict object to send with the request
    auth - (optional) BasicAuth named tuple represent HTTP Basic Auth
    auth - aiohttp.helpers.BasicAuth
    allow_redirects - (optional) If set to False, do not follow
      redirects
    version - Request HTTP version.
    compress - Set to True if request has to be compressed
       with deflate encoding.
    chunked - Set to chunk size for chunked transfer encoding.
    expect100 - Expect 100-continue response from server.
    connector - BaseConnector sub-class instance to support
       connection pooling.
    read_until_eof - Read response until eof if response
       does not have Content-Length header.
    loop - Optional event loop.
    timeout - Optional ClientTimeout settings structure, 5min
       total timeout by default.
    Usage::
      >>> import aiohttp
      >>> resp = await aiohttp.request('GET', 'http://python.org/')
      >>> resp
      <ClientResponse(python.org/) [200]>
      >>> data = await resp.read()
    """
    connector_owner = False
    if connector is None:
        connector_owner = True
        connector = TCPConnector(loop=loop, force_close=True)

session = ClientSession(
        loop=loop,
        cookies=cookies,
        version=version,
        timeout=timeout,
        connector=connector,
        connector_owner=connector_owner,
    )

return _SessionRequestContextManager(
        session._request(
            method,
            url,
            params=params,
            data=data,
            json=json,
            headers=headers,
            skip_auto_headers=skip_auto_headers,
            auth=auth,
            allow_redirects=allow_redirects,
            max_redirects=max_redirects,
            compress=compress,
            chunked=chunked,
            expect100=expect100,
            raise_for_status=raise_for_status,
            read_until_eof=read_until_eof,
            proxy=proxy,
            proxy_auth=proxy_auth,
            read_bufsize=read_bufsize,
        ),
        session,
    )

cmd: