Add files using upload-large-folder tool

.gitattributes

@@ -401,3 +401,6 @@ tuning-competition-baseline/.venv/lib/python3.11/site-packages/nvidia/cudnn/lib/
 .venv/lib/python3.11/site-packages/mistral_common/data/tekken_240718.json filter=lfs diff=lfs merge=lfs -text
 .venv/lib/python3.11/site-packages/torchgen/__pycache__/gen.cpython-311.pyc filter=lfs diff=lfs merge=lfs -text
 .venv/lib/python3.11/site-packages/mpmath/__pycache__/function_docs.cpython-311.pyc filter=lfs diff=lfs merge=lfs -text
+.venv/lib/python3.11/site-packages/aiohttp/_http_writer.cpython-311-x86_64-linux-gnu.so filter=lfs diff=lfs merge=lfs -text
+.venv/lib/python3.11/site-packages/aiohttp/_http_parser.cpython-311-x86_64-linux-gnu.so filter=lfs diff=lfs merge=lfs -text
+.venv/lib/python3.11/site-packages/mpmath/tests/__pycache__/test_functions2.cpython-311.pyc filter=lfs diff=lfs merge=lfs -text

.venv/lib/python3.11/site-packages/aiohttp/.hash/_cparser.pxd.hash

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.venv/lib/python3.11/site-packages/aiohttp/.hash/_find_header.pxd.hash

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.venv/lib/python3.11/site-packages/aiohttp/.hash/_http_writer.pyx.hash

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.venv/lib/python3.11/site-packages/aiohttp/.hash/hdrs.py.hash

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.venv/lib/python3.11/site-packages/aiohttp/__init__.py

@@ -0,0 +1,264 @@
+__version__ = "3.11.12"
+
+from typing import TYPE_CHECKING, Tuple
+
+from . import hdrs as hdrs
+from .client import (
+    BaseConnector,
+    ClientConnectionError,
+    ClientConnectionResetError,
+    ClientConnectorCertificateError,
+    ClientConnectorDNSError,
+    ClientConnectorError,
+    ClientConnectorSSLError,
+    ClientError,
+    ClientHttpProxyError,
+    ClientOSError,
+    ClientPayloadError,
+    ClientProxyConnectionError,
+    ClientRequest,
+    ClientResponse,
+    ClientResponseError,
+    ClientSession,
+    ClientSSLError,
+    ClientTimeout,
+    ClientWebSocketResponse,
+    ClientWSTimeout,
+    ConnectionTimeoutError,
+    ContentTypeError,
+    Fingerprint,
+    InvalidURL,
+    InvalidUrlClientError,
+    InvalidUrlRedirectClientError,
+    NamedPipeConnector,
+    NonHttpUrlClientError,
+    NonHttpUrlRedirectClientError,
+    RedirectClientError,
+    RequestInfo,
+    ServerConnectionError,
+    ServerDisconnectedError,
+    ServerFingerprintMismatch,
+    ServerTimeoutError,
+    SocketTimeoutError,
+    TCPConnector,
+    TooManyRedirects,
+    UnixConnector,
+    WSMessageTypeError,
+    WSServerHandshakeError,
+    request,
+)
+from .cookiejar import CookieJar as CookieJar, DummyCookieJar as DummyCookieJar
+from .formdata import FormData as FormData
+from .helpers import BasicAuth, ChainMapProxy, ETag
+from .http import (
+    HttpVersion as HttpVersion,
+    HttpVersion10 as HttpVersion10,
+    HttpVersion11 as HttpVersion11,
+    WebSocketError as WebSocketError,
+    WSCloseCode as WSCloseCode,
+    WSMessage as WSMessage,
+    WSMsgType as WSMsgType,
+)
+from .multipart import (
+    BadContentDispositionHeader as BadContentDispositionHeader,
+    BadContentDispositionParam as BadContentDispositionParam,
+    BodyPartReader as BodyPartReader,
+    MultipartReader as MultipartReader,
+    MultipartWriter as MultipartWriter,
+    content_disposition_filename as content_disposition_filename,
+    parse_content_disposition as parse_content_disposition,
+)
+from .payload import (
+    PAYLOAD_REGISTRY as PAYLOAD_REGISTRY,
+    AsyncIterablePayload as AsyncIterablePayload,
+    BufferedReaderPayload as BufferedReaderPayload,
+    BytesIOPayload as BytesIOPayload,
+    BytesPayload as BytesPayload,
+    IOBasePayload as IOBasePayload,
+    JsonPayload as JsonPayload,
+    Payload as Payload,
+    StringIOPayload as StringIOPayload,
+    StringPayload as StringPayload,
+    TextIOPayload as TextIOPayload,
+    get_payload as get_payload,
+    payload_type as payload_type,
+)
+from .payload_streamer import streamer as streamer
+from .resolver import (
+    AsyncResolver as AsyncResolver,
+    DefaultResolver as DefaultResolver,
+    ThreadedResolver as ThreadedResolver,
+)
+from .streams import (
+    EMPTY_PAYLOAD as EMPTY_PAYLOAD,
+    DataQueue as DataQueue,
+    EofStream as EofStream,
+    FlowControlDataQueue as FlowControlDataQueue,
+    StreamReader as StreamReader,
+)
+from .tracing import (
+    TraceConfig as TraceConfig,
+    TraceConnectionCreateEndParams as TraceConnectionCreateEndParams,
+    TraceConnectionCreateStartParams as TraceConnectionCreateStartParams,
+    TraceConnectionQueuedEndParams as TraceConnectionQueuedEndParams,
+    TraceConnectionQueuedStartParams as TraceConnectionQueuedStartParams,
+    TraceConnectionReuseconnParams as TraceConnectionReuseconnParams,
+    TraceDnsCacheHitParams as TraceDnsCacheHitParams,
+    TraceDnsCacheMissParams as TraceDnsCacheMissParams,
+    TraceDnsResolveHostEndParams as TraceDnsResolveHostEndParams,
+    TraceDnsResolveHostStartParams as TraceDnsResolveHostStartParams,
+    TraceRequestChunkSentParams as TraceRequestChunkSentParams,
+    TraceRequestEndParams as TraceRequestEndParams,
+    TraceRequestExceptionParams as TraceRequestExceptionParams,
+    TraceRequestHeadersSentParams as TraceRequestHeadersSentParams,
+    TraceRequestRedirectParams as TraceRequestRedirectParams,
+    TraceRequestStartParams as TraceRequestStartParams,
+    TraceResponseChunkReceivedParams as TraceResponseChunkReceivedParams,
+)
+
+if TYPE_CHECKING:
+    # At runtime these are lazy-loaded at the bottom of the file.
+    from .worker import (
+        GunicornUVLoopWebWorker as GunicornUVLoopWebWorker,
+        GunicornWebWorker as GunicornWebWorker,
+    )
+
+__all__: Tuple[str, ...] = (
+    "hdrs",
+    # client
+    "BaseConnector",
+    "ClientConnectionError",
+    "ClientConnectionResetError",
+    "ClientConnectorCertificateError",
+    "ClientConnectorDNSError",
+    "ClientConnectorError",
+    "ClientConnectorSSLError",
+    "ClientError",
+    "ClientHttpProxyError",
+    "ClientOSError",
+    "ClientPayloadError",
+    "ClientProxyConnectionError",
+    "ClientResponse",
+    "ClientRequest",
+    "ClientResponseError",
+    "ClientSSLError",
+    "ClientSession",
+    "ClientTimeout",
+    "ClientWebSocketResponse",
+    "ClientWSTimeout",
+    "ConnectionTimeoutError",
+    "ContentTypeError",
+    "Fingerprint",
+    "FlowControlDataQueue",
+    "InvalidURL",
+    "InvalidUrlClientError",
+    "InvalidUrlRedirectClientError",
+    "NonHttpUrlClientError",
+    "NonHttpUrlRedirectClientError",
+    "RedirectClientError",
+    "RequestInfo",
+    "ServerConnectionError",
+    "ServerDisconnectedError",
+    "ServerFingerprintMismatch",
+    "ServerTimeoutError",
+    "SocketTimeoutError",
+    "TCPConnector",
+    "TooManyRedirects",
+    "UnixConnector",
+    "NamedPipeConnector",
+    "WSServerHandshakeError",
+    "request",
+    # cookiejar
+    "CookieJar",
+    "DummyCookieJar",
+    # formdata
+    "FormData",
+    # helpers
+    "BasicAuth",
+    "ChainMapProxy",
+    "ETag",
+    # http
+    "HttpVersion",
+    "HttpVersion10",
+    "HttpVersion11",
+    "WSMsgType",
+    "WSCloseCode",
+    "WSMessage",
+    "WebSocketError",
+    # multipart
+    "BadContentDispositionHeader",
+    "BadContentDispositionParam",
+    "BodyPartReader",
+    "MultipartReader",
+    "MultipartWriter",
+    "content_disposition_filename",
+    "parse_content_disposition",
+    # payload
+    "AsyncIterablePayload",
+    "BufferedReaderPayload",
+    "BytesIOPayload",
+    "BytesPayload",
+    "IOBasePayload",
+    "JsonPayload",
+    "PAYLOAD_REGISTRY",
+    "Payload",
+    "StringIOPayload",
+    "StringPayload",
+    "TextIOPayload",
+    "get_payload",
+    "payload_type",
+    # payload_streamer
+    "streamer",
+    # resolver
+    "AsyncResolver",
+    "DefaultResolver",
+    "ThreadedResolver",
+    # streams
+    "DataQueue",
+    "EMPTY_PAYLOAD",
+    "EofStream",
+    "StreamReader",
+    # tracing
+    "TraceConfig",
+    "TraceConnectionCreateEndParams",
+    "TraceConnectionCreateStartParams",
+    "TraceConnectionQueuedEndParams",
+    "TraceConnectionQueuedStartParams",
+    "TraceConnectionReuseconnParams",
+    "TraceDnsCacheHitParams",
+    "TraceDnsCacheMissParams",
+    "TraceDnsResolveHostEndParams",
+    "TraceDnsResolveHostStartParams",
+    "TraceRequestChunkSentParams",
+    "TraceRequestEndParams",
+    "TraceRequestExceptionParams",
+    "TraceRequestHeadersSentParams",
+    "TraceRequestRedirectParams",
+    "TraceRequestStartParams",
+    "TraceResponseChunkReceivedParams",
+    # workers (imported lazily with __getattr__)
+    "GunicornUVLoopWebWorker",
+    "GunicornWebWorker",
+    "WSMessageTypeError",
+)
+
+
+def __dir__() -> Tuple[str, ...]:
+    return __all__ + ("__doc__",)
+
+
+def __getattr__(name: str) -> object:
+    global GunicornUVLoopWebWorker, GunicornWebWorker
+
+    # Importing gunicorn takes a long time (>100ms), so only import if actually needed.
+    if name in ("GunicornUVLoopWebWorker", "GunicornWebWorker"):
+        try:
+            from .worker import GunicornUVLoopWebWorker as guv, GunicornWebWorker as gw
+        except ImportError:
+            return None
+
+        GunicornUVLoopWebWorker = guv  # type: ignore[misc]
+        GunicornWebWorker = gw  # type: ignore[misc]
+        return guv if name == "GunicornUVLoopWebWorker" else gw
+
+    raise AttributeError(f"module {__name__} has no attribute {name}")

.venv/lib/python3.11/site-packages/aiohttp/_cparser.pxd

@@ -0,0 +1,158 @@
+from libc.stdint cimport int32_t, uint8_t, uint16_t, uint64_t
+
+
+cdef extern from "../vendor/llhttp/build/llhttp.h":
+
+    struct llhttp__internal_s:
+        int32_t _index
+        void* _span_pos0
+        void* _span_cb0
+        int32_t error
+        const char* reason
+        const char* error_pos
+        void* data
+        void* _current
+        uint64_t content_length
+        uint8_t type
+        uint8_t method
+        uint8_t http_major
+        uint8_t http_minor
+        uint8_t header_state
+        uint8_t lenient_flags
+        uint8_t upgrade
+        uint8_t finish
+        uint16_t flags
+        uint16_t status_code
+        void* settings
+
+    ctypedef llhttp__internal_s llhttp__internal_t
+    ctypedef llhttp__internal_t llhttp_t
+
+    ctypedef int (*llhttp_data_cb)(llhttp_t*, const char *at, size_t length) except -1
+    ctypedef int (*llhttp_cb)(llhttp_t*) except -1
+
+    struct llhttp_settings_s:
+        llhttp_cb      on_message_begin
+        llhttp_data_cb on_url
+        llhttp_data_cb on_status
+        llhttp_data_cb on_header_field
+        llhttp_data_cb on_header_value
+        llhttp_cb      on_headers_complete
+        llhttp_data_cb on_body
+        llhttp_cb      on_message_complete
+        llhttp_cb      on_chunk_header
+        llhttp_cb      on_chunk_complete
+
+        llhttp_cb      on_url_complete
+        llhttp_cb      on_status_complete
+        llhttp_cb      on_header_field_complete
+        llhttp_cb      on_header_value_complete
+
+    ctypedef llhttp_settings_s llhttp_settings_t
+
+    enum llhttp_errno:
+        HPE_OK,
+        HPE_INTERNAL,
+        HPE_STRICT,
+        HPE_LF_EXPECTED,
+        HPE_UNEXPECTED_CONTENT_LENGTH,
+        HPE_CLOSED_CONNECTION,
+        HPE_INVALID_METHOD,
+        HPE_INVALID_URL,
+        HPE_INVALID_CONSTANT,
+        HPE_INVALID_VERSION,
+        HPE_INVALID_HEADER_TOKEN,
+        HPE_INVALID_CONTENT_LENGTH,
+        HPE_INVALID_CHUNK_SIZE,
+        HPE_INVALID_STATUS,
+        HPE_INVALID_EOF_STATE,
+        HPE_INVALID_TRANSFER_ENCODING,
+        HPE_CB_MESSAGE_BEGIN,
+        HPE_CB_HEADERS_COMPLETE,
+        HPE_CB_MESSAGE_COMPLETE,
+        HPE_CB_CHUNK_HEADER,
+        HPE_CB_CHUNK_COMPLETE,
+        HPE_PAUSED,
+        HPE_PAUSED_UPGRADE,
+        HPE_USER
+
+    ctypedef llhttp_errno llhttp_errno_t
+
+    enum llhttp_flags:
+        F_CHUNKED,
+        F_CONTENT_LENGTH
+
+    enum llhttp_type:
+        HTTP_REQUEST,
+        HTTP_RESPONSE,
+        HTTP_BOTH
+
+    enum llhttp_method:
+        HTTP_DELETE,
+        HTTP_GET,
+        HTTP_HEAD,
+        HTTP_POST,
+        HTTP_PUT,
+        HTTP_CONNECT,
+        HTTP_OPTIONS,
+        HTTP_TRACE,
+        HTTP_COPY,
+        HTTP_LOCK,
+        HTTP_MKCOL,
+        HTTP_MOVE,
+        HTTP_PROPFIND,
+        HTTP_PROPPATCH,
+        HTTP_SEARCH,
+        HTTP_UNLOCK,
+        HTTP_BIND,
+        HTTP_REBIND,
+        HTTP_UNBIND,
+        HTTP_ACL,
+        HTTP_REPORT,
+        HTTP_MKACTIVITY,
+        HTTP_CHECKOUT,
+        HTTP_MERGE,
+        HTTP_MSEARCH,
+        HTTP_NOTIFY,
+        HTTP_SUBSCRIBE,
+        HTTP_UNSUBSCRIBE,
+        HTTP_PATCH,
+        HTTP_PURGE,
+        HTTP_MKCALENDAR,
+        HTTP_LINK,
+        HTTP_UNLINK,
+        HTTP_SOURCE,
+        HTTP_PRI,
+        HTTP_DESCRIBE,
+        HTTP_ANNOUNCE,
+        HTTP_SETUP,
+        HTTP_PLAY,
+        HTTP_PAUSE,
+        HTTP_TEARDOWN,
+        HTTP_GET_PARAMETER,
+        HTTP_SET_PARAMETER,
+        HTTP_REDIRECT,
+        HTTP_RECORD,
+        HTTP_FLUSH
+
+    ctypedef llhttp_method llhttp_method_t;
+
+    void llhttp_settings_init(llhttp_settings_t* settings)
+    void llhttp_init(llhttp_t* parser, llhttp_type type,
+                 const llhttp_settings_t* settings)
+
+    llhttp_errno_t llhttp_execute(llhttp_t* parser, const char* data, size_t len)
+
+    int llhttp_should_keep_alive(const llhttp_t* parser)
+
+    void llhttp_resume_after_upgrade(llhttp_t* parser)
+
+    llhttp_errno_t llhttp_get_errno(const llhttp_t* parser)
+    const char* llhttp_get_error_reason(const llhttp_t* parser)
+    const char* llhttp_get_error_pos(const llhttp_t* parser)
+
+    const char* llhttp_method_name(llhttp_method_t method)
+
+    void llhttp_set_lenient_headers(llhttp_t* parser, int enabled)
+    void llhttp_set_lenient_optional_cr_before_lf(llhttp_t* parser, int enabled)
+    void llhttp_set_lenient_spaces_after_chunk_size(llhttp_t* parser, int enabled)

.venv/lib/python3.11/site-packages/aiohttp/_http_parser.cpython-311-x86_64-linux-gnu.so

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:aee964b05bf93d9ec038fa10b91d8fd531c57e57ee90cba6c6411f45f7459346
+size 2826344

.venv/lib/python3.11/site-packages/aiohttp/_http_parser.pyx

@@ -0,0 +1,837 @@
+#cython: language_level=3
+#
+# Based on https://github.com/MagicStack/httptools
+#
+
+from cpython cimport (
+    Py_buffer,
+    PyBUF_SIMPLE,
+    PyBuffer_Release,
+    PyBytes_AsString,
+    PyBytes_AsStringAndSize,
+    PyObject_GetBuffer,
+)
+from cpython.mem cimport PyMem_Free, PyMem_Malloc
+from libc.limits cimport ULLONG_MAX
+from libc.string cimport memcpy
+
+from multidict import CIMultiDict as _CIMultiDict, CIMultiDictProxy as _CIMultiDictProxy
+from yarl import URL as _URL
+
+from aiohttp import hdrs
+from aiohttp.helpers import DEBUG, set_exception
+
+from .http_exceptions import (
+    BadHttpMessage,
+    BadHttpMethod,
+    BadStatusLine,
+    ContentLengthError,
+    InvalidHeader,
+    InvalidURLError,
+    LineTooLong,
+    PayloadEncodingError,
+    TransferEncodingError,
+)
+from .http_parser import DeflateBuffer as _DeflateBuffer
+from .http_writer import (
+    HttpVersion as _HttpVersion,
+    HttpVersion10 as _HttpVersion10,
+    HttpVersion11 as _HttpVersion11,
+)
+from .streams import EMPTY_PAYLOAD as _EMPTY_PAYLOAD, StreamReader as _StreamReader
+
+cimport cython
+
+from aiohttp cimport _cparser as cparser
+
+include "_headers.pxi"
+
+from aiohttp cimport _find_header
+
+ALLOWED_UPGRADES = frozenset({"websocket"})
+DEF DEFAULT_FREELIST_SIZE = 250
+
+cdef extern from "Python.h":
+    int PyByteArray_Resize(object, Py_ssize_t) except -1
+    Py_ssize_t PyByteArray_Size(object) except -1
+    char* PyByteArray_AsString(object)
+
+__all__ = ('HttpRequestParser', 'HttpResponseParser',
+           'RawRequestMessage', 'RawResponseMessage')
+
+cdef object URL = _URL
+cdef object URL_build = URL.build
+cdef object CIMultiDict = _CIMultiDict
+cdef object CIMultiDictProxy = _CIMultiDictProxy
+cdef object HttpVersion = _HttpVersion
+cdef object HttpVersion10 = _HttpVersion10
+cdef object HttpVersion11 = _HttpVersion11
+cdef object SEC_WEBSOCKET_KEY1 = hdrs.SEC_WEBSOCKET_KEY1
+cdef object CONTENT_ENCODING = hdrs.CONTENT_ENCODING
+cdef object EMPTY_PAYLOAD = _EMPTY_PAYLOAD
+cdef object StreamReader = _StreamReader
+cdef object DeflateBuffer = _DeflateBuffer
+cdef bytes EMPTY_BYTES = b""
+
+cdef inline object extend(object buf, const char* at, size_t length):
+    cdef Py_ssize_t s
+    cdef char* ptr
+    s = PyByteArray_Size(buf)
+    PyByteArray_Resize(buf, s + length)
+    ptr = PyByteArray_AsString(buf)
+    memcpy(ptr + s, at, length)
+
+
+DEF METHODS_COUNT = 46;
+
+cdef list _http_method = []
+
+for i in range(METHODS_COUNT):
+    _http_method.append(
+        cparser.llhttp_method_name(<cparser.llhttp_method_t> i).decode('ascii'))
+
+
+cdef inline str http_method_str(int i):
+    if i < METHODS_COUNT:
+        return <str>_http_method[i]
+    else:
+        return "<unknown>"
+
+cdef inline object find_header(bytes raw_header):
+    cdef Py_ssize_t size
+    cdef char *buf
+    cdef int idx
+    PyBytes_AsStringAndSize(raw_header, &buf, &size)
+    idx = _find_header.find_header(buf, size)
+    if idx == -1:
+        return raw_header.decode('utf-8', 'surrogateescape')
+    return headers[idx]
+
+
+@cython.freelist(DEFAULT_FREELIST_SIZE)
+cdef class RawRequestMessage:
+    cdef readonly str method
+    cdef readonly str path
+    cdef readonly object version  # HttpVersion
+    cdef readonly object headers  # CIMultiDict
+    cdef readonly object raw_headers  # tuple
+    cdef readonly object should_close
+    cdef readonly object compression
+    cdef readonly object upgrade
+    cdef readonly object chunked
+    cdef readonly object url  # yarl.URL
+
+    def __init__(self, method, path, version, headers, raw_headers,
+                 should_close, compression, upgrade, chunked, url):
+        self.method = method
+        self.path = path
+        self.version = version
+        self.headers = headers
+        self.raw_headers = raw_headers
+        self.should_close = should_close
+        self.compression = compression
+        self.upgrade = upgrade
+        self.chunked = chunked
+        self.url = url
+
+    def __repr__(self):
+        info = []
+        info.append(("method", self.method))
+        info.append(("path", self.path))
+        info.append(("version", self.version))
+        info.append(("headers", self.headers))
+        info.append(("raw_headers", self.raw_headers))
+        info.append(("should_close", self.should_close))
+        info.append(("compression", self.compression))
+        info.append(("upgrade", self.upgrade))
+        info.append(("chunked", self.chunked))
+        info.append(("url", self.url))
+        sinfo = ', '.join(name + '=' + repr(val) for name, val in info)
+        return '<RawRequestMessage(' + sinfo + ')>'
+
+    def _replace(self, **dct):
+        cdef RawRequestMessage ret
+        ret = _new_request_message(self.method,
+                                   self.path,
+                                   self.version,
+                                   self.headers,
+                                   self.raw_headers,
+                                   self.should_close,
+                                   self.compression,
+                                   self.upgrade,
+                                   self.chunked,
+                                   self.url)
+        if "method" in dct:
+            ret.method = dct["method"]
+        if "path" in dct:
+            ret.path = dct["path"]
+        if "version" in dct:
+            ret.version = dct["version"]
+        if "headers" in dct:
+            ret.headers = dct["headers"]
+        if "raw_headers" in dct:
+            ret.raw_headers = dct["raw_headers"]
+        if "should_close" in dct:
+            ret.should_close = dct["should_close"]
+        if "compression" in dct:
+            ret.compression = dct["compression"]
+        if "upgrade" in dct:
+            ret.upgrade = dct["upgrade"]
+        if "chunked" in dct:
+            ret.chunked = dct["chunked"]
+        if "url" in dct:
+            ret.url = dct["url"]
+        return ret
+
+cdef _new_request_message(str method,
+                           str path,
+                           object version,
+                           object headers,
+                           object raw_headers,
+                           bint should_close,
+                           object compression,
+                           bint upgrade,
+                           bint chunked,
+                           object url):
+    cdef RawRequestMessage ret
+    ret = RawRequestMessage.__new__(RawRequestMessage)
+    ret.method = method
+    ret.path = path
+    ret.version = version
+    ret.headers = headers
+    ret.raw_headers = raw_headers
+    ret.should_close = should_close
+    ret.compression = compression
+    ret.upgrade = upgrade
+    ret.chunked = chunked
+    ret.url = url
+    return ret
+
+
+@cython.freelist(DEFAULT_FREELIST_SIZE)
+cdef class RawResponseMessage:
+    cdef readonly object version  # HttpVersion
+    cdef readonly int code
+    cdef readonly str reason
+    cdef readonly object headers  # CIMultiDict
+    cdef readonly object raw_headers  # tuple
+    cdef readonly object should_close
+    cdef readonly object compression
+    cdef readonly object upgrade
+    cdef readonly object chunked
+
+    def __init__(self, version, code, reason, headers, raw_headers,
+                 should_close, compression, upgrade, chunked):
+        self.version = version
+        self.code = code
+        self.reason = reason
+        self.headers = headers
+        self.raw_headers = raw_headers
+        self.should_close = should_close
+        self.compression = compression
+        self.upgrade = upgrade
+        self.chunked = chunked
+
+    def __repr__(self):
+        info = []
+        info.append(("version", self.version))
+        info.append(("code", self.code))
+        info.append(("reason", self.reason))
+        info.append(("headers", self.headers))
+        info.append(("raw_headers", self.raw_headers))
+        info.append(("should_close", self.should_close))
+        info.append(("compression", self.compression))
+        info.append(("upgrade", self.upgrade))
+        info.append(("chunked", self.chunked))
+        sinfo = ', '.join(name + '=' + repr(val) for name, val in info)
+        return '<RawResponseMessage(' + sinfo + ')>'
+
+
+cdef _new_response_message(object version,
+                           int code,
+                           str reason,
+                           object headers,
+                           object raw_headers,
+                           bint should_close,
+                           object compression,
+                           bint upgrade,
+                           bint chunked):
+    cdef RawResponseMessage ret
+    ret = RawResponseMessage.__new__(RawResponseMessage)
+    ret.version = version
+    ret.code = code
+    ret.reason = reason
+    ret.headers = headers
+    ret.raw_headers = raw_headers
+    ret.should_close = should_close
+    ret.compression = compression
+    ret.upgrade = upgrade
+    ret.chunked = chunked
+    return ret
+
+
+@cython.internal
+cdef class HttpParser:
+
+    cdef:
+        cparser.llhttp_t* _cparser
+        cparser.llhttp_settings_t* _csettings
+
+        bytes _raw_name
+        object _name
+        bytes _raw_value
+        bint      _has_value
+
+        object _protocol
+        object _loop
+        object _timer
+
+        size_t _max_line_size
+        size_t _max_field_size
+        size_t _max_headers
+        bint _response_with_body
+        bint _read_until_eof
+
+        bint    _started
+        object  _url
+        bytearray   _buf
+        str     _path
+        str     _reason
+        list    _headers
+        list    _raw_headers
+        bint    _upgraded
+        list    _messages
+        object  _payload
+        bint    _payload_error
+        object  _payload_exception
+        object  _last_error
+        bint    _auto_decompress
+        int     _limit
+
+        str     _content_encoding
+
+        Py_buffer py_buf
+
+    def __cinit__(self):
+        self._cparser = <cparser.llhttp_t*> \
+                                PyMem_Malloc(sizeof(cparser.llhttp_t))
+        if self._cparser is NULL:
+            raise MemoryError()
+
+        self._csettings = <cparser.llhttp_settings_t*> \
+                                PyMem_Malloc(sizeof(cparser.llhttp_settings_t))
+        if self._csettings is NULL:
+            raise MemoryError()
+
+    def __dealloc__(self):
+        PyMem_Free(self._cparser)
+        PyMem_Free(self._csettings)
+
+    cdef _init(
+        self, cparser.llhttp_type mode,
+        object protocol, object loop, int limit,
+        object timer=None,
+        size_t max_line_size=8190, size_t max_headers=32768,
+        size_t max_field_size=8190, payload_exception=None,
+        bint response_with_body=True, bint read_until_eof=False,
+        bint auto_decompress=True,
+    ):
+        cparser.llhttp_settings_init(self._csettings)
+        cparser.llhttp_init(self._cparser, mode, self._csettings)
+        self._cparser.data = <void*>self
+        self._cparser.content_length = 0
+
+        self._protocol = protocol
+        self._loop = loop
+        self._timer = timer
+
+        self._buf = bytearray()
+        self._payload = None
+        self._payload_error = 0
+        self._payload_exception = payload_exception
+        self._messages = []
+
+        self._raw_name = EMPTY_BYTES
+        self._raw_value = EMPTY_BYTES
+        self._has_value = False
+
+        self._max_line_size = max_line_size
+        self._max_headers = max_headers
+        self._max_field_size = max_field_size
+        self._response_with_body = response_with_body
+        self._read_until_eof = read_until_eof
+        self._upgraded = False
+        self._auto_decompress = auto_decompress
+        self._content_encoding = None
+
+        self._csettings.on_url = cb_on_url
+        self._csettings.on_status = cb_on_status
+        self._csettings.on_header_field = cb_on_header_field
+        self._csettings.on_header_value = cb_on_header_value
+        self._csettings.on_headers_complete = cb_on_headers_complete
+        self._csettings.on_body = cb_on_body
+        self._csettings.on_message_begin = cb_on_message_begin
+        self._csettings.on_message_complete = cb_on_message_complete
+        self._csettings.on_chunk_header = cb_on_chunk_header
+        self._csettings.on_chunk_complete = cb_on_chunk_complete
+
+        self._last_error = None
+        self._limit = limit
+
+    cdef _process_header(self):
+        cdef str value
+        if self._raw_name is not EMPTY_BYTES:
+            name = find_header(self._raw_name)
+            value = self._raw_value.decode('utf-8', 'surrogateescape')
+
+            self._headers.append((name, value))
+
+            if name is CONTENT_ENCODING:
+                self._content_encoding = value
+
+            self._has_value = False
+            self._raw_headers.append((self._raw_name, self._raw_value))
+            self._raw_name = EMPTY_BYTES
+            self._raw_value = EMPTY_BYTES
+
+    cdef _on_header_field(self, char* at, size_t length):
+        if self._has_value:
+            self._process_header()
+
+        if self._raw_name is EMPTY_BYTES:
+            self._raw_name = at[:length]
+        else:
+            self._raw_name += at[:length]
+
+    cdef _on_header_value(self, char* at, size_t length):
+        if self._raw_value is EMPTY_BYTES:
+            self._raw_value = at[:length]
+        else:
+            self._raw_value += at[:length]
+        self._has_value = True
+
+    cdef _on_headers_complete(self):
+        self._process_header()
+
+        should_close = not cparser.llhttp_should_keep_alive(self._cparser)
+        upgrade = self._cparser.upgrade
+        chunked = self._cparser.flags & cparser.F_CHUNKED
+
+        raw_headers = tuple(self._raw_headers)
+        headers = CIMultiDictProxy(CIMultiDict(self._headers))
+
+        if self._cparser.type == cparser.HTTP_REQUEST:
+            allowed = upgrade and headers.get("upgrade", "").lower() in ALLOWED_UPGRADES
+            if allowed or self._cparser.method == cparser.HTTP_CONNECT:
+                self._upgraded = True
+        else:
+            if upgrade and self._cparser.status_code == 101:
+                self._upgraded = True
+
+        # do not support old websocket spec
+        if SEC_WEBSOCKET_KEY1 in headers:
+            raise InvalidHeader(SEC_WEBSOCKET_KEY1)
+
+        encoding = None
+        enc = self._content_encoding
+        if enc is not None:
+            self._content_encoding = None
+            enc = enc.lower()
+            if enc in ('gzip', 'deflate', 'br'):
+                encoding = enc
+
+        if self._cparser.type == cparser.HTTP_REQUEST:
+            method = http_method_str(self._cparser.method)
+            msg = _new_request_message(
+                method, self._path,
+                self.http_version(), headers, raw_headers,
+                should_close, encoding, upgrade, chunked, self._url)
+        else:
+            msg = _new_response_message(
+                self.http_version(), self._cparser.status_code, self._reason,
+                headers, raw_headers, should_close, encoding,
+                upgrade, chunked)
+
+        if (
+            ULLONG_MAX > self._cparser.content_length > 0 or chunked or
+            self._cparser.method == cparser.HTTP_CONNECT or
+            (self._cparser.status_code >= 199 and
+             self._cparser.content_length == 0 and
+             self._read_until_eof)
+        ):
+            payload = StreamReader(
+                self._protocol, timer=self._timer, loop=self._loop,
+                limit=self._limit)
+        else:
+            payload = EMPTY_PAYLOAD
+
+        self._payload = payload
+        if encoding is not None and self._auto_decompress:
+            self._payload = DeflateBuffer(payload, encoding)
+
+        if not self._response_with_body:
+            payload = EMPTY_PAYLOAD
+
+        self._messages.append((msg, payload))
+
+    cdef _on_message_complete(self):
+        self._payload.feed_eof()
+        self._payload = None
+
+    cdef _on_chunk_header(self):
+        self._payload.begin_http_chunk_receiving()
+
+    cdef _on_chunk_complete(self):
+        self._payload.end_http_chunk_receiving()
+
+    cdef object _on_status_complete(self):
+        pass
+
+    cdef inline http_version(self):
+        cdef cparser.llhttp_t* parser = self._cparser
+
+        if parser.http_major == 1:
+            if parser.http_minor == 0:
+                return HttpVersion10
+            elif parser.http_minor == 1:
+                return HttpVersion11
+
+        return HttpVersion(parser.http_major, parser.http_minor)
+
+    ### Public API ###
+
+    def feed_eof(self):
+        cdef bytes desc
+
+        if self._payload is not None:
+            if self._cparser.flags & cparser.F_CHUNKED:
+                raise TransferEncodingError(
+                    "Not enough data for satisfy transfer length header.")
+            elif self._cparser.flags & cparser.F_CONTENT_LENGTH:
+                raise ContentLengthError(
+                    "Not enough data for satisfy content length header.")
+            elif cparser.llhttp_get_errno(self._cparser) != cparser.HPE_OK:
+                desc = cparser.llhttp_get_error_reason(self._cparser)
+                raise PayloadEncodingError(desc.decode('latin-1'))
+            else:
+                self._payload.feed_eof()
+        elif self._started:
+            self._on_headers_complete()
+            if self._messages:
+                return self._messages[-1][0]
+
+    def feed_data(self, data):
+        cdef:
+            size_t data_len
+            size_t nb
+            cdef cparser.llhttp_errno_t errno
+
+        PyObject_GetBuffer(data, &self.py_buf, PyBUF_SIMPLE)
+        data_len = <size_t>self.py_buf.len
+
+        errno = cparser.llhttp_execute(
+            self._cparser,
+            <char*>self.py_buf.buf,
+            data_len)
+
+        if errno is cparser.HPE_PAUSED_UPGRADE:
+            cparser.llhttp_resume_after_upgrade(self._cparser)
+
+            nb = cparser.llhttp_get_error_pos(self._cparser) - <char*>self.py_buf.buf
+
+        PyBuffer_Release(&self.py_buf)
+
+        if errno not in (cparser.HPE_OK, cparser.HPE_PAUSED_UPGRADE):
+            if self._payload_error == 0:
+                if self._last_error is not None:
+                    ex = self._last_error
+                    self._last_error = None
+                else:
+                    after = cparser.llhttp_get_error_pos(self._cparser)
+                    before = data[:after - <char*>self.py_buf.buf]
+                    after_b = after.split(b"\r\n", 1)[0]
+                    before = before.rsplit(b"\r\n", 1)[-1]
+                    data = before + after_b
+                    pointer = " " * (len(repr(before))-1) + "^"
+                    ex = parser_error_from_errno(self._cparser, data, pointer)
+                self._payload = None
+                raise ex
+
+        if self._messages:
+            messages = self._messages
+            self._messages = []
+        else:
+            messages = ()
+
+        if self._upgraded:
+            return messages, True, data[nb:]
+        else:
+            return messages, False, b""
+
+    def set_upgraded(self, val):
+        self._upgraded = val
+
+
+cdef class HttpRequestParser(HttpParser):
+
+    def __init__(
+        self, protocol, loop, int limit, timer=None,
+        size_t max_line_size=8190, size_t max_headers=32768,
+        size_t max_field_size=8190, payload_exception=None,
+        bint response_with_body=True, bint read_until_eof=False,
+        bint auto_decompress=True,
+    ):
+        self._init(cparser.HTTP_REQUEST, protocol, loop, limit, timer,
+                   max_line_size, max_headers, max_field_size,
+                   payload_exception, response_with_body, read_until_eof,
+                   auto_decompress)
+
+    cdef object _on_status_complete(self):
+        cdef int idx1, idx2
+        if not self._buf:
+            return
+        self._path = self._buf.decode('utf-8', 'surrogateescape')
+        try:
+            idx3 = len(self._path)
+            if self._cparser.method == cparser.HTTP_CONNECT:
+                # authority-form,
+                # https://datatracker.ietf.org/doc/html/rfc7230#section-5.3.3
+                self._url = URL.build(authority=self._path, encoded=True)
+            elif idx3 > 1 and self._path[0] == '/':
+                # origin-form,
+                # https://datatracker.ietf.org/doc/html/rfc7230#section-5.3.1
+                idx1 = self._path.find("?")
+                if idx1 == -1:
+                    query = ""
+                    idx2 = self._path.find("#")
+                    if idx2 == -1:
+                        path = self._path
+                        fragment = ""
+                    else:
+                        path = self._path[0: idx2]
+                        fragment = self._path[idx2+1:]
+
+                else:
+                    path = self._path[0:idx1]
+                    idx1 += 1
+                    idx2 = self._path.find("#", idx1+1)
+                    if idx2 == -1:
+                        query = self._path[idx1:]
+                        fragment = ""
+                    else:
+                        query = self._path[idx1: idx2]
+                        fragment = self._path[idx2+1:]
+
+                self._url = URL.build(
+                    path=path,
+                    query_string=query,
+                    fragment=fragment,
+                    encoded=True,
+                )
+            else:
+                # absolute-form for proxy maybe,
+                # https://datatracker.ietf.org/doc/html/rfc7230#section-5.3.2
+                self._url = URL(self._path, encoded=True)
+        finally:
+            PyByteArray_Resize(self._buf, 0)
+
+
+cdef class HttpResponseParser(HttpParser):
+
+    def __init__(
+        self, protocol, loop, int limit, timer=None,
+            size_t max_line_size=8190, size_t max_headers=32768,
+            size_t max_field_size=8190, payload_exception=None,
+            bint response_with_body=True, bint read_until_eof=False,
+            bint auto_decompress=True
+    ):
+        self._init(cparser.HTTP_RESPONSE, protocol, loop, limit, timer,
+                   max_line_size, max_headers, max_field_size,
+                   payload_exception, response_with_body, read_until_eof,
+                   auto_decompress)
+        # Use strict parsing on dev mode, so users are warned about broken servers.
+        if not DEBUG:
+            cparser.llhttp_set_lenient_headers(self._cparser, 1)
+            cparser.llhttp_set_lenient_optional_cr_before_lf(self._cparser, 1)
+            cparser.llhttp_set_lenient_spaces_after_chunk_size(self._cparser, 1)
+
+    cdef object _on_status_complete(self):
+        if self._buf:
+            self._reason = self._buf.decode('utf-8', 'surrogateescape')
+            PyByteArray_Resize(self._buf, 0)
+        else:
+            self._reason = self._reason or ''
+
+cdef int cb_on_message_begin(cparser.llhttp_t* parser) except -1:
+    cdef HttpParser pyparser = <HttpParser>parser.data
+
+    pyparser._started = True
+    pyparser._headers = []
+    pyparser._raw_headers = []
+    PyByteArray_Resize(pyparser._buf, 0)
+    pyparser._path = None
+    pyparser._reason = None
+    return 0
+
+
+cdef int cb_on_url(cparser.llhttp_t* parser,
+                   const char *at, size_t length) except -1:
+    cdef HttpParser pyparser = <HttpParser>parser.data
+    try:
+        if length > pyparser._max_line_size:
+            raise LineTooLong(
+                'Status line is too long', pyparser._max_line_size, length)
+        extend(pyparser._buf, at, length)
+    except BaseException as ex:
+        pyparser._last_error = ex
+        return -1
+    else:
+        return 0
+
+
+cdef int cb_on_status(cparser.llhttp_t* parser,
+                      const char *at, size_t length) except -1:
+    cdef HttpParser pyparser = <HttpParser>parser.data
+    cdef str reason
+    try:
+        if length > pyparser._max_line_size:
+            raise LineTooLong(
+                'Status line is too long', pyparser._max_line_size, length)
+        extend(pyparser._buf, at, length)
+    except BaseException as ex:
+        pyparser._last_error = ex
+        return -1
+    else:
+        return 0
+
+
+cdef int cb_on_header_field(cparser.llhttp_t* parser,
+                            const char *at, size_t length) except -1:
+    cdef HttpParser pyparser = <HttpParser>parser.data
+    cdef Py_ssize_t size
+    try:
+        pyparser._on_status_complete()
+        size = len(pyparser._raw_name) + length
+        if size > pyparser._max_field_size:
+            raise LineTooLong(
+                'Header name is too long', pyparser._max_field_size, size)
+        pyparser._on_header_field(at, length)
+    except BaseException as ex:
+        pyparser._last_error = ex
+        return -1
+    else:
+        return 0
+
+
+cdef int cb_on_header_value(cparser.llhttp_t* parser,
+                            const char *at, size_t length) except -1:
+    cdef HttpParser pyparser = <HttpParser>parser.data
+    cdef Py_ssize_t size
+    try:
+        size = len(pyparser._raw_value) + length
+        if size > pyparser._max_field_size:
+            raise LineTooLong(
+                'Header value is too long', pyparser._max_field_size, size)
+        pyparser._on_header_value(at, length)
+    except BaseException as ex:
+        pyparser._last_error = ex
+        return -1
+    else:
+        return 0
+
+
+cdef int cb_on_headers_complete(cparser.llhttp_t* parser) except -1:
+    cdef HttpParser pyparser = <HttpParser>parser.data
+    try:
+        pyparser._on_status_complete()
+        pyparser._on_headers_complete()
+    except BaseException as exc:
+        pyparser._last_error = exc
+        return -1
+    else:
+        if pyparser._upgraded or pyparser._cparser.method == cparser.HTTP_CONNECT:
+            return 2
+        else:
+            return 0
+
+
+cdef int cb_on_body(cparser.llhttp_t* parser,
+                    const char *at, size_t length) except -1:
+    cdef HttpParser pyparser = <HttpParser>parser.data
+    cdef bytes body = at[:length]
+    try:
+        pyparser._payload.feed_data(body, length)
+    except BaseException as underlying_exc:
+        reraised_exc = underlying_exc
+        if pyparser._payload_exception is not None:
+            reraised_exc = pyparser._payload_exception(str(underlying_exc))
+
+        set_exception(pyparser._payload, reraised_exc, underlying_exc)
+
+        pyparser._payload_error = 1
+        return -1
+    else:
+        return 0
+
+
+cdef int cb_on_message_complete(cparser.llhttp_t* parser) except -1:
+    cdef HttpParser pyparser = <HttpParser>parser.data
+    try:
+        pyparser._started = False
+        pyparser._on_message_complete()
+    except BaseException as exc:
+        pyparser._last_error = exc
+        return -1
+    else:
+        return 0
+
+
+cdef int cb_on_chunk_header(cparser.llhttp_t* parser) except -1:
+    cdef HttpParser pyparser = <HttpParser>parser.data
+    try:
+        pyparser._on_chunk_header()
+    except BaseException as exc:
+        pyparser._last_error = exc
+        return -1
+    else:
+        return 0
+
+
+cdef int cb_on_chunk_complete(cparser.llhttp_t* parser) except -1:
+    cdef HttpParser pyparser = <HttpParser>parser.data
+    try:
+        pyparser._on_chunk_complete()
+    except BaseException as exc:
+        pyparser._last_error = exc
+        return -1
+    else:
+        return 0
+
+
+cdef parser_error_from_errno(cparser.llhttp_t* parser, data, pointer):
+    cdef cparser.llhttp_errno_t errno = cparser.llhttp_get_errno(parser)
+    cdef bytes desc = cparser.llhttp_get_error_reason(parser)
+
+    err_msg = "{}:\n\n  {!r}\n  {}".format(desc.decode("latin-1"), data, pointer)
+
+    if errno in {cparser.HPE_CB_MESSAGE_BEGIN,
+                 cparser.HPE_CB_HEADERS_COMPLETE,
+                 cparser.HPE_CB_MESSAGE_COMPLETE,
+                 cparser.HPE_CB_CHUNK_HEADER,
+                 cparser.HPE_CB_CHUNK_COMPLETE,
+                 cparser.HPE_INVALID_CONSTANT,
+                 cparser.HPE_INVALID_HEADER_TOKEN,
+                 cparser.HPE_INVALID_CONTENT_LENGTH,
+                 cparser.HPE_INVALID_CHUNK_SIZE,
+                 cparser.HPE_INVALID_EOF_STATE,
+                 cparser.HPE_INVALID_TRANSFER_ENCODING}:
+        return BadHttpMessage(err_msg)
+    elif errno == cparser.HPE_INVALID_METHOD:
+        return BadHttpMethod(error=err_msg)
+    elif errno in {cparser.HPE_INVALID_STATUS,
+                   cparser.HPE_INVALID_VERSION}:
+        return BadStatusLine(error=err_msg)
+    elif errno == cparser.HPE_INVALID_URL:
+        return InvalidURLError(err_msg)
+
+    return BadHttpMessage(err_msg)

.venv/lib/python3.11/site-packages/aiohttp/_http_writer.cpython-311-x86_64-linux-gnu.so

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ccc602b42628fb18d8269482715c7a51d0691921e6fe93209e933b2549ac5970
+size 463752

.venv/lib/python3.11/site-packages/aiohttp/_http_writer.pyx

@@ -0,0 +1,162 @@
+from cpython.bytes cimport PyBytes_FromStringAndSize
+from cpython.exc cimport PyErr_NoMemory
+from cpython.mem cimport PyMem_Free, PyMem_Malloc, PyMem_Realloc
+from cpython.object cimport PyObject_Str
+from libc.stdint cimport uint8_t, uint64_t
+from libc.string cimport memcpy
+
+from multidict import istr
+
+DEF BUF_SIZE = 16 * 1024  # 16KiB
+cdef char BUFFER[BUF_SIZE]
+
+cdef object _istr = istr
+
+
+# ----------------- writer ---------------------------
+
+cdef struct Writer:
+    char *buf
+    Py_ssize_t size
+    Py_ssize_t pos
+
+
+cdef inline void _init_writer(Writer* writer):
+    writer.buf = &BUFFER[0]
+    writer.size = BUF_SIZE
+    writer.pos = 0
+
+
+cdef inline void _release_writer(Writer* writer):
+    if writer.buf != BUFFER:
+        PyMem_Free(writer.buf)
+
+
+cdef inline int _write_byte(Writer* writer, uint8_t ch):
+    cdef char * buf
+    cdef Py_ssize_t size
+
+    if writer.pos == writer.size:
+        # reallocate
+        size = writer.size + BUF_SIZE
+        if writer.buf == BUFFER:
+            buf = <char*>PyMem_Malloc(size)
+            if buf == NULL:
+                PyErr_NoMemory()
+                return -1
+            memcpy(buf, writer.buf, writer.size)
+        else:
+            buf = <char*>PyMem_Realloc(writer.buf, size)
+            if buf == NULL:
+                PyErr_NoMemory()
+                return -1
+        writer.buf = buf
+        writer.size = size
+    writer.buf[writer.pos] = <char>ch
+    writer.pos += 1
+    return 0
+
+
+cdef inline int _write_utf8(Writer* writer, Py_UCS4 symbol):
+    cdef uint64_t utf = <uint64_t> symbol
+
+    if utf < 0x80:
+        return _write_byte(writer, <uint8_t>utf)
+    elif utf < 0x800:
+        if _write_byte(writer, <uint8_t>(0xc0 | (utf >> 6))) < 0:
+            return -1
+        return _write_byte(writer,  <uint8_t>(0x80 | (utf & 0x3f)))
+    elif 0xD800 <= utf <= 0xDFFF:
+        # surogate pair, ignored
+        return 0
+    elif utf < 0x10000:
+        if _write_byte(writer, <uint8_t>(0xe0 | (utf >> 12))) < 0:
+            return -1
+        if _write_byte(writer, <uint8_t>(0x80 | ((utf >> 6) & 0x3f))) < 0:
+            return -1
+        return _write_byte(writer, <uint8_t>(0x80 | (utf & 0x3f)))
+    elif utf > 0x10FFFF:
+        # symbol is too large
+        return 0
+    else:
+        if _write_byte(writer,  <uint8_t>(0xf0 | (utf >> 18))) < 0:
+            return -1
+        if _write_byte(writer,
+                       <uint8_t>(0x80 | ((utf >> 12) & 0x3f))) < 0:
+           return -1
+        if _write_byte(writer,
+                       <uint8_t>(0x80 | ((utf >> 6) & 0x3f))) < 0:
+            return -1
+        return _write_byte(writer, <uint8_t>(0x80 | (utf & 0x3f)))
+
+
+cdef inline int _write_str(Writer* writer, str s):
+    cdef Py_UCS4 ch
+    for ch in s:
+        if _write_utf8(writer, ch) < 0:
+            return -1
+
+
+# --------------- _serialize_headers ----------------------
+
+cdef str to_str(object s):
+    if type(s) is str:
+        return <str>s
+    elif type(s) is _istr:
+        return PyObject_Str(s)
+    elif not isinstance(s, str):
+        raise TypeError("Cannot serialize non-str key {!r}".format(s))
+    else:
+        return str(s)
+
+
+
+def _serialize_headers(str status_line, headers):
+    cdef Writer writer
+    cdef object key
+    cdef object val
+    cdef bytes ret
+    cdef str key_str
+    cdef str val_str
+
+    _init_writer(&writer)
+
+    try:
+        if _write_str(&writer, status_line) < 0:
+            raise
+        if _write_byte(&writer, b'\r') < 0:
+            raise
+        if _write_byte(&writer, b'\n') < 0:
+            raise
+
+        for key, val in headers.items():
+            key_str = to_str(key)
+            val_str = to_str(val)
+
+            if "\r" in key_str or "\n" in key_str or "\r" in val_str or "\n" in val_str:
+                raise ValueError(
+                    "Newline or carriage return character detected in HTTP status message or "
+                    "header. This is a potential security issue."
+                )
+
+            if _write_str(&writer, key_str) < 0:
+                raise
+            if _write_byte(&writer, b':') < 0:
+                raise
+            if _write_byte(&writer, b' ') < 0:
+                raise
+            if _write_str(&writer, val_str) < 0:
+                raise
+            if _write_byte(&writer, b'\r') < 0:
+                raise
+            if _write_byte(&writer, b'\n') < 0:
+                raise
+
+        if _write_byte(&writer, b'\r') < 0:
+            raise
+        if _write_byte(&writer, b'\n') < 0:
+            raise
+
+        return PyBytes_FromStringAndSize(writer.buf, writer.pos)
+    finally:
+        _release_writer(&writer)

.venv/lib/python3.11/site-packages/aiohttp/_websocket/.hash/mask.pxd.hash

@@ -0,0 +1 @@
+b01999d409b29bd916e067bc963d5f2d9ee63cfc9ae0bccb769910131417bf93  /home/runner/work/aiohttp/aiohttp/aiohttp/_websocket/mask.pxd

.venv/lib/python3.11/site-packages/aiohttp/_websocket/.hash/mask.pyx.hash

@@ -0,0 +1 @@
+0478ceb55d0ed30ef1a7da742cd003449bc69a07cf9fdb06789bd2b347cbfffe  /home/runner/work/aiohttp/aiohttp/aiohttp/_websocket/mask.pyx

.venv/lib/python3.11/site-packages/aiohttp/_websocket/.hash/reader_c.pxd.hash

@@ -0,0 +1 @@
+f6b3160a9002d639e0eff82da8b8d196a42ff6aed490e9faded2107eada4f067  /home/runner/work/aiohttp/aiohttp/aiohttp/_websocket/reader_c.pxd

.venv/lib/python3.11/site-packages/aiohttp/_websocket/__init__.py

@@ -0,0 +1 @@
+"""WebSocket protocol versions 13 and 8."""

.venv/lib/python3.11/site-packages/aiohttp/_websocket/helpers.py

@@ -0,0 +1,147 @@
+"""Helpers for WebSocket protocol versions 13 and 8."""
+
+import functools
+import re
+from struct import Struct
+from typing import TYPE_CHECKING, Final, List, Optional, Pattern, Tuple
+
+from ..helpers import NO_EXTENSIONS
+from .models import WSHandshakeError
+
+UNPACK_LEN3 = Struct("!Q").unpack_from
+UNPACK_CLOSE_CODE = Struct("!H").unpack
+PACK_LEN1 = Struct("!BB").pack
+PACK_LEN2 = Struct("!BBH").pack
+PACK_LEN3 = Struct("!BBQ").pack
+PACK_CLOSE_CODE = Struct("!H").pack
+PACK_RANDBITS = Struct("!L").pack
+MSG_SIZE: Final[int] = 2**14
+MASK_LEN: Final[int] = 4
+
+WS_KEY: Final[bytes] = b"258EAFA5-E914-47DA-95CA-C5AB0DC85B11"
+
+
+# Used by _websocket_mask_python
+@functools.lru_cache
+def _xor_table() -> List[bytes]:
+    return [bytes(a ^ b for a in range(256)) for b in range(256)]
+
+
+def _websocket_mask_python(mask: bytes, data: bytearray) -> None:
+    """Websocket masking function.
+
+    `mask` is a `bytes` object of length 4; `data` is a `bytearray`
+    object of any length. The contents of `data` are masked with `mask`,
+    as specified in section 5.3 of RFC 6455.
+
+    Note that this function mutates the `data` argument.
+
+    This pure-python implementation may be replaced by an optimized
+    version when available.
+
+    """
+    assert isinstance(data, bytearray), data
+    assert len(mask) == 4, mask
+
+    if data:
+        _XOR_TABLE = _xor_table()
+        a, b, c, d = (_XOR_TABLE[n] for n in mask)
+        data[::4] = data[::4].translate(a)
+        data[1::4] = data[1::4].translate(b)
+        data[2::4] = data[2::4].translate(c)
+        data[3::4] = data[3::4].translate(d)
+
+
+if TYPE_CHECKING or NO_EXTENSIONS:  # pragma: no cover
+    websocket_mask = _websocket_mask_python
+else:
+    try:
+        from .mask import _websocket_mask_cython  # type: ignore[import-not-found]
+
+        websocket_mask = _websocket_mask_cython
+    except ImportError:  # pragma: no cover
+        websocket_mask = _websocket_mask_python
+
+
+_WS_EXT_RE: Final[Pattern[str]] = re.compile(
+    r"^(?:;\s*(?:"
+    r"(server_no_context_takeover)|"
+    r"(client_no_context_takeover)|"
+    r"(server_max_window_bits(?:=(\d+))?)|"
+    r"(client_max_window_bits(?:=(\d+))?)))*$"
+)
+
+_WS_EXT_RE_SPLIT: Final[Pattern[str]] = re.compile(r"permessage-deflate([^,]+)?")
+
+
+def ws_ext_parse(extstr: Optional[str], isserver: bool = False) -> Tuple[int, bool]:
+    if not extstr:
+        return 0, False
+
+    compress = 0
+    notakeover = False
+    for ext in _WS_EXT_RE_SPLIT.finditer(extstr):
+        defext = ext.group(1)
+        # Return compress = 15 when get `permessage-deflate`
+        if not defext:
+            compress = 15
+            break
+        match = _WS_EXT_RE.match(defext)
+        if match:
+            compress = 15
+            if isserver:
+                # Server never fail to detect compress handshake.
+                # Server does not need to send max wbit to client
+                if match.group(4):
+                    compress = int(match.group(4))
+                    # Group3 must match if group4 matches
+                    # Compress wbit 8 does not support in zlib
+                    # If compress level not support,
+                    # CONTINUE to next extension
+                    if compress > 15 or compress < 9:
+                        compress = 0
+                        continue
+                if match.group(1):
+                    notakeover = True
+                # Ignore regex group 5 & 6 for client_max_window_bits
+                break
+            else:
+                if match.group(6):
+                    compress = int(match.group(6))
+                    # Group5 must match if group6 matches
+                    # Compress wbit 8 does not support in zlib
+                    # If compress level not support,
+                    # FAIL the parse progress
+                    if compress > 15 or compress < 9:
+                        raise WSHandshakeError("Invalid window size")
+                if match.group(2):
+                    notakeover = True
+                # Ignore regex group 5 & 6 for client_max_window_bits
+                break
+        # Return Fail if client side and not match
+        elif not isserver:
+            raise WSHandshakeError("Extension for deflate not supported" + ext.group(1))
+
+    return compress, notakeover
+
+
+def ws_ext_gen(
+    compress: int = 15, isserver: bool = False, server_notakeover: bool = False
+) -> str:
+    # client_notakeover=False not used for server
+    # compress wbit 8 does not support in zlib
+    if compress < 9 or compress > 15:
+        raise ValueError(
+            "Compress wbits must between 9 and 15, zlib does not support wbits=8"
+        )
+    enabledext = ["permessage-deflate"]
+    if not isserver:
+        enabledext.append("client_max_window_bits")
+
+    if compress < 15:
+        enabledext.append("server_max_window_bits=" + str(compress))
+    if server_notakeover:
+        enabledext.append("server_no_context_takeover")
+    # if client_notakeover:
+    #     enabledext.append('client_no_context_takeover')
+    return "; ".join(enabledext)

.venv/lib/python3.11/site-packages/aiohttp/_websocket/mask.pxd

@@ -0,0 +1,3 @@
+"""Cython declarations for websocket masking."""
+
+cpdef void _websocket_mask_cython(bytes mask, bytearray data)

.venv/lib/python3.11/site-packages/aiohttp/_websocket/mask.pyx

@@ -0,0 +1,48 @@
+from cpython cimport PyBytes_AsString
+
+
+#from cpython cimport PyByteArray_AsString # cython still not exports that
+cdef extern from "Python.h":
+    char* PyByteArray_AsString(bytearray ba) except NULL
+
+from libc.stdint cimport uint32_t, uint64_t, uintmax_t
+
+
+cpdef void _websocket_mask_cython(bytes mask, bytearray data):
+    """Note, this function mutates its `data` argument
+    """
+    cdef:
+        Py_ssize_t data_len, i
+        # bit operations on signed integers are implementation-specific
+        unsigned char * in_buf
+        const unsigned char * mask_buf
+        uint32_t uint32_msk
+        uint64_t uint64_msk
+
+    assert len(mask) == 4
+
+    data_len = len(data)
+    in_buf = <unsigned char*>PyByteArray_AsString(data)
+    mask_buf = <const unsigned char*>PyBytes_AsString(mask)
+    uint32_msk = (<uint32_t*>mask_buf)[0]
+
+    # TODO: align in_data ptr to achieve even faster speeds
+    # does it need in python ?! malloc() always aligns to sizeof(long) bytes
+
+    if sizeof(size_t) >= 8:
+        uint64_msk = uint32_msk
+        uint64_msk = (uint64_msk << 32) | uint32_msk
+
+        while data_len >= 8:
+            (<uint64_t*>in_buf)[0] ^= uint64_msk
+            in_buf += 8
+            data_len -= 8
+
+
+    while data_len >= 4:
+        (<uint32_t*>in_buf)[0] ^= uint32_msk
+        in_buf += 4
+        data_len -= 4
+
+    for i in range(0, data_len):
+        in_buf[i] ^= mask_buf[i]

.venv/lib/python3.11/site-packages/aiohttp/_websocket/models.py

@@ -0,0 +1,84 @@
+"""Models for WebSocket protocol versions 13 and 8."""
+
+import json
+from enum import IntEnum
+from typing import Any, Callable, Final, NamedTuple, Optional, cast
+
+WS_DEFLATE_TRAILING: Final[bytes] = bytes([0x00, 0x00, 0xFF, 0xFF])
+
+
+class WSCloseCode(IntEnum):
+    OK = 1000
+    GOING_AWAY = 1001
+    PROTOCOL_ERROR = 1002
+    UNSUPPORTED_DATA = 1003
+    ABNORMAL_CLOSURE = 1006
+    INVALID_TEXT = 1007
+    POLICY_VIOLATION = 1008
+    MESSAGE_TOO_BIG = 1009
+    MANDATORY_EXTENSION = 1010
+    INTERNAL_ERROR = 1011
+    SERVICE_RESTART = 1012
+    TRY_AGAIN_LATER = 1013
+    BAD_GATEWAY = 1014
+
+
+class WSMsgType(IntEnum):
+    # websocket spec types
+    CONTINUATION = 0x0
+    TEXT = 0x1
+    BINARY = 0x2
+    PING = 0x9
+    PONG = 0xA
+    CLOSE = 0x8
+
+    # aiohttp specific types
+    CLOSING = 0x100
+    CLOSED = 0x101
+    ERROR = 0x102
+
+    text = TEXT
+    binary = BINARY
+    ping = PING
+    pong = PONG
+    close = CLOSE
+    closing = CLOSING
+    closed = CLOSED
+    error = ERROR
+
+
+class WSMessage(NamedTuple):
+    type: WSMsgType
+    # To type correctly, this would need some kind of tagged union for each type.
+    data: Any
+    extra: Optional[str]
+
+    def json(self, *, loads: Callable[[Any], Any] = json.loads) -> Any:
+        """Return parsed JSON data.
+
+        .. versionadded:: 0.22
+        """
+        return loads(self.data)
+
+
+# Constructing the tuple directly to avoid the overhead of
+# the lambda and arg processing since NamedTuples are constructed
+# with a run time built lambda
+# https://github.com/python/cpython/blob/d83fcf8371f2f33c7797bc8f5423a8bca8c46e5c/Lib/collections/__init__.py#L441
+WS_CLOSED_MESSAGE = tuple.__new__(WSMessage, (WSMsgType.CLOSED, None, None))
+WS_CLOSING_MESSAGE = tuple.__new__(WSMessage, (WSMsgType.CLOSING, None, None))
+
+
+class WebSocketError(Exception):
+    """WebSocket protocol parser error."""
+
+    def __init__(self, code: int, message: str) -> None:
+        self.code = code
+        super().__init__(code, message)
+
+    def __str__(self) -> str:
+        return cast(str, self.args[1])
+
+
+class WSHandshakeError(Exception):
+    """WebSocket protocol handshake error."""

.venv/lib/python3.11/site-packages/aiohttp/_websocket/reader.py

@@ -0,0 +1,31 @@
+"""Reader for WebSocket protocol versions 13 and 8."""
+
+from typing import TYPE_CHECKING
+
+from ..helpers import NO_EXTENSIONS
+
+if TYPE_CHECKING or NO_EXTENSIONS:  # pragma: no cover
+    from .reader_py import (
+        WebSocketDataQueue as WebSocketDataQueuePython,
+        WebSocketReader as WebSocketReaderPython,
+    )
+
+    WebSocketReader = WebSocketReaderPython
+    WebSocketDataQueue = WebSocketDataQueuePython
+else:
+    try:
+        from .reader_c import (  # type: ignore[import-not-found]
+            WebSocketDataQueue as WebSocketDataQueueCython,
+            WebSocketReader as WebSocketReaderCython,
+        )
+
+        WebSocketReader = WebSocketReaderCython
+        WebSocketDataQueue = WebSocketDataQueueCython
+    except ImportError:  # pragma: no cover
+        from .reader_py import (
+            WebSocketDataQueue as WebSocketDataQueuePython,
+            WebSocketReader as WebSocketReaderPython,
+        )
+
+        WebSocketReader = WebSocketReaderPython
+        WebSocketDataQueue = WebSocketDataQueuePython

.venv/lib/python3.11/site-packages/aiohttp/_websocket/reader_c.pxd

@@ -0,0 +1,102 @@
+import cython
+
+from .mask cimport _websocket_mask_cython as websocket_mask
+
+
+cdef unsigned int READ_HEADER
+cdef unsigned int READ_PAYLOAD_LENGTH
+cdef unsigned int READ_PAYLOAD_MASK
+cdef unsigned int READ_PAYLOAD
+
+cdef unsigned int OP_CODE_CONTINUATION
+cdef unsigned int OP_CODE_TEXT
+cdef unsigned int OP_CODE_BINARY
+cdef unsigned int OP_CODE_CLOSE
+cdef unsigned int OP_CODE_PING
+cdef unsigned int OP_CODE_PONG
+
+cdef object UNPACK_LEN3
+cdef object UNPACK_CLOSE_CODE
+cdef object TUPLE_NEW
+
+cdef object WSMsgType
+cdef object WSMessage
+
+cdef object WS_MSG_TYPE_TEXT
+cdef object WS_MSG_TYPE_BINARY
+
+cdef set ALLOWED_CLOSE_CODES
+cdef set MESSAGE_TYPES_WITH_CONTENT
+
+cdef tuple EMPTY_FRAME
+cdef tuple EMPTY_FRAME_ERROR
+
+cdef class WebSocketDataQueue:
+
+    cdef unsigned int _size
+    cdef public object _protocol
+    cdef unsigned int _limit
+    cdef object _loop
+    cdef bint _eof
+    cdef object _waiter
+    cdef object _exception
+    cdef public object _buffer
+    cdef object _get_buffer
+    cdef object _put_buffer
+
+    cdef void _release_waiter(self)
+
+    cpdef void feed_data(self, object data, unsigned int size)
+
+    @cython.locals(size="unsigned int")
+    cdef _read_from_buffer(self)
+
+cdef class WebSocketReader:
+
+    cdef WebSocketDataQueue queue
+    cdef unsigned int _max_msg_size
+
+    cdef Exception _exc
+    cdef bytearray _partial
+    cdef unsigned int _state
+
+    cdef object _opcode
+    cdef object _frame_fin
+    cdef object _frame_opcode
+    cdef object _frame_payload
+    cdef unsigned long long _frame_payload_len
+
+    cdef bytes _tail
+    cdef bint _has_mask
+    cdef bytes _frame_mask
+    cdef unsigned long long _payload_length
+    cdef unsigned int _payload_length_flag
+    cdef object _compressed
+    cdef object _decompressobj
+    cdef bint _compress
+
+    cpdef tuple feed_data(self, object data)
+
+    @cython.locals(
+        is_continuation=bint,
+        fin=bint,
+        has_partial=bint,
+        payload_merged=bytes,
+        opcode="unsigned int",
+    )
+    cpdef void _feed_data(self, bytes data)
+
+    @cython.locals(
+        start_pos="unsigned int",
+        buf_len="unsigned int",
+        length="unsigned int",
+        chunk_size="unsigned int",
+        chunk_len="unsigned int",
+        buf_length="unsigned int",
+        first_byte="unsigned char",
+        second_byte="unsigned char",
+        end_pos="unsigned int",
+        has_mask=bint,
+        fin=bint,
+    )
+    cpdef list parse_frame(self, bytes buf)

.venv/lib/python3.11/site-packages/aiohttp/_websocket/reader_c.py

@@ -0,0 +1,468 @@
+"""Reader for WebSocket protocol versions 13 and 8."""
+
+import asyncio
+import builtins
+from collections import deque
+from typing import Deque, Final, List, Optional, Set, Tuple, Union
+
+from ..base_protocol import BaseProtocol
+from ..compression_utils import ZLibDecompressor
+from ..helpers import _EXC_SENTINEL, set_exception
+from ..streams import EofStream
+from .helpers import UNPACK_CLOSE_CODE, UNPACK_LEN3, websocket_mask
+from .models import (
+    WS_DEFLATE_TRAILING,
+    WebSocketError,
+    WSCloseCode,
+    WSMessage,
+    WSMsgType,
+)
+
+ALLOWED_CLOSE_CODES: Final[Set[int]] = {int(i) for i in WSCloseCode}
+
+# States for the reader, used to parse the WebSocket frame
+# integer values are used so they can be cythonized
+READ_HEADER = 1
+READ_PAYLOAD_LENGTH = 2
+READ_PAYLOAD_MASK = 3
+READ_PAYLOAD = 4
+
+WS_MSG_TYPE_BINARY = WSMsgType.BINARY
+WS_MSG_TYPE_TEXT = WSMsgType.TEXT
+
+# WSMsgType values unpacked so they can by cythonized to ints
+OP_CODE_CONTINUATION = WSMsgType.CONTINUATION.value
+OP_CODE_TEXT = WSMsgType.TEXT.value
+OP_CODE_BINARY = WSMsgType.BINARY.value
+OP_CODE_CLOSE = WSMsgType.CLOSE.value
+OP_CODE_PING = WSMsgType.PING.value
+OP_CODE_PONG = WSMsgType.PONG.value
+
+EMPTY_FRAME_ERROR = (True, b"")
+EMPTY_FRAME = (False, b"")
+
+TUPLE_NEW = tuple.__new__
+
+int_ = int  # Prevent Cython from converting to PyInt
+
+
+class WebSocketDataQueue:
+    """WebSocketDataQueue resumes and pauses an underlying stream.
+
+    It is a destination for WebSocket data.
+    """
+
+    def __init__(
+        self, protocol: BaseProtocol, limit: int, *, loop: asyncio.AbstractEventLoop
+    ) -> None:
+        self._size = 0
+        self._protocol = protocol
+        self._limit = limit * 2
+        self._loop = loop
+        self._eof = False
+        self._waiter: Optional[asyncio.Future[None]] = None
+        self._exception: Union[BaseException, None] = None
+        self._buffer: Deque[Tuple[WSMessage, int]] = deque()
+        self._get_buffer = self._buffer.popleft
+        self._put_buffer = self._buffer.append
+
+    def is_eof(self) -> bool:
+        return self._eof
+
+    def exception(self) -> Optional[BaseException]:
+        return self._exception
+
+    def set_exception(
+        self,
+        exc: "BaseException",
+        exc_cause: builtins.BaseException = _EXC_SENTINEL,
+    ) -> None:
+        self._eof = True
+        self._exception = exc
+        if (waiter := self._waiter) is not None:
+            self._waiter = None
+            set_exception(waiter, exc, exc_cause)
+
+    def _release_waiter(self) -> None:
+        if (waiter := self._waiter) is None:
+            return
+        self._waiter = None
+        if not waiter.done():
+            waiter.set_result(None)
+
+    def feed_eof(self) -> None:
+        self._eof = True
+        self._release_waiter()
+
+    def feed_data(self, data: "WSMessage", size: "int_") -> None:
+        self._size += size
+        self._put_buffer((data, size))
+        self._release_waiter()
+        if self._size > self._limit and not self._protocol._reading_paused:
+            self._protocol.pause_reading()
+
+    async def read(self) -> WSMessage:
+        if not self._buffer and not self._eof:
+            assert not self._waiter
+            self._waiter = self._loop.create_future()
+            try:
+                await self._waiter
+            except (asyncio.CancelledError, asyncio.TimeoutError):
+                self._waiter = None
+                raise
+        return self._read_from_buffer()
+
+    def _read_from_buffer(self) -> WSMessage:
+        if self._buffer:
+            data, size = self._get_buffer()
+            self._size -= size
+            if self._size < self._limit and self._protocol._reading_paused:
+                self._protocol.resume_reading()
+            return data
+        if self._exception is not None:
+            raise self._exception
+        raise EofStream
+
+
+class WebSocketReader:
+    def __init__(
+        self, queue: WebSocketDataQueue, max_msg_size: int, compress: bool = True
+    ) -> None:
+        self.queue = queue
+        self._max_msg_size = max_msg_size
+
+        self._exc: Optional[Exception] = None
+        self._partial = bytearray()
+        self._state = READ_HEADER
+
+        self._opcode: Optional[int] = None
+        self._frame_fin = False
+        self._frame_opcode: Optional[int] = None
+        self._frame_payload: Union[bytes, bytearray] = b""
+        self._frame_payload_len = 0
+
+        self._tail: bytes = b""
+        self._has_mask = False
+        self._frame_mask: Optional[bytes] = None
+        self._payload_length = 0
+        self._payload_length_flag = 0
+        self._compressed: Optional[bool] = None
+        self._decompressobj: Optional[ZLibDecompressor] = None
+        self._compress = compress
+
+    def feed_eof(self) -> None:
+        self.queue.feed_eof()
+
+    # data can be bytearray on Windows because proactor event loop uses bytearray
+    # and asyncio types this to Union[bytes, bytearray, memoryview] so we need
+    # coerce data to bytes if it is not
+    def feed_data(
+        self, data: Union[bytes, bytearray, memoryview]
+    ) -> Tuple[bool, bytes]:
+        if type(data) is not bytes:
+            data = bytes(data)
+
+        if self._exc is not None:
+            return True, data
+
+        try:
+            self._feed_data(data)
+        except Exception as exc:
+            self._exc = exc
+            set_exception(self.queue, exc)
+            return EMPTY_FRAME_ERROR
+
+        return EMPTY_FRAME
+
+    def _feed_data(self, data: bytes) -> None:
+        msg: WSMessage
+        for frame in self.parse_frame(data):
+            fin = frame[0]
+            opcode = frame[1]
+            payload = frame[2]
+            compressed = frame[3]
+
+            is_continuation = opcode == OP_CODE_CONTINUATION
+            if opcode == OP_CODE_TEXT or opcode == OP_CODE_BINARY or is_continuation:
+                # load text/binary
+                if not fin:
+                    # got partial frame payload
+                    if not is_continuation:
+                        self._opcode = opcode
+                    self._partial += payload
+                    if self._max_msg_size and len(self._partial) >= self._max_msg_size:
+                        raise WebSocketError(
+                            WSCloseCode.MESSAGE_TOO_BIG,
+                            "Message size {} exceeds limit {}".format(
+                                len(self._partial), self._max_msg_size
+                            ),
+                        )
+                    continue
+
+                has_partial = bool(self._partial)
+                if is_continuation:
+                    if self._opcode is None:
+                        raise WebSocketError(
+                            WSCloseCode.PROTOCOL_ERROR,
+                            "Continuation frame for non started message",
+                        )
+                    opcode = self._opcode
+                    self._opcode = None
+                # previous frame was non finished
+                # we should get continuation opcode
+                elif has_partial:
+                    raise WebSocketError(
+                        WSCloseCode.PROTOCOL_ERROR,
+                        "The opcode in non-fin frame is expected "
+                        "to be zero, got {!r}".format(opcode),
+                    )
+
+                assembled_payload: Union[bytes, bytearray]
+                if has_partial:
+                    assembled_payload = self._partial + payload
+                    self._partial.clear()
+                else:
+                    assembled_payload = payload
+
+                if self._max_msg_size and len(assembled_payload) >= self._max_msg_size:
+                    raise WebSocketError(
+                        WSCloseCode.MESSAGE_TOO_BIG,
+                        "Message size {} exceeds limit {}".format(
+                            len(assembled_payload), self._max_msg_size
+                        ),
+                    )
+
+                # Decompress process must to be done after all packets
+                # received.
+                if compressed:
+                    if not self._decompressobj:
+                        self._decompressobj = ZLibDecompressor(
+                            suppress_deflate_header=True
+                        )
+                    payload_merged = self._decompressobj.decompress_sync(
+                        assembled_payload + WS_DEFLATE_TRAILING, self._max_msg_size
+                    )
+                    if self._decompressobj.unconsumed_tail:
+                        left = len(self._decompressobj.unconsumed_tail)
+                        raise WebSocketError(
+                            WSCloseCode.MESSAGE_TOO_BIG,
+                            "Decompressed message size {} exceeds limit {}".format(
+                                self._max_msg_size + left, self._max_msg_size
+                            ),
+                        )
+                elif type(assembled_payload) is bytes:
+                    payload_merged = assembled_payload
+                else:
+                    payload_merged = bytes(assembled_payload)
+
+                if opcode == OP_CODE_TEXT:
+                    try:
+                        text = payload_merged.decode("utf-8")
+                    except UnicodeDecodeError as exc:
+                        raise WebSocketError(
+                            WSCloseCode.INVALID_TEXT, "Invalid UTF-8 text message"
+                        ) from exc
+
+                    # XXX: The Text and Binary messages here can be a performance
+                    # bottleneck, so we use tuple.__new__ to improve performance.
+                    # This is not type safe, but many tests should fail in
+                    # test_client_ws_functional.py if this is wrong.
+                    self.queue.feed_data(
+                        TUPLE_NEW(WSMessage, (WS_MSG_TYPE_TEXT, text, "")),
+                        len(payload_merged),
+                    )
+                else:
+                    self.queue.feed_data(
+                        TUPLE_NEW(WSMessage, (WS_MSG_TYPE_BINARY, payload_merged, "")),
+                        len(payload_merged),
+                    )
+            elif opcode == OP_CODE_CLOSE:
+                if len(payload) >= 2:
+                    close_code = UNPACK_CLOSE_CODE(payload[:2])[0]
+                    if close_code < 3000 and close_code not in ALLOWED_CLOSE_CODES:
+                        raise WebSocketError(
+                            WSCloseCode.PROTOCOL_ERROR,
+                            f"Invalid close code: {close_code}",
+                        )
+                    try:
+                        close_message = payload[2:].decode("utf-8")
+                    except UnicodeDecodeError as exc:
+                        raise WebSocketError(
+                            WSCloseCode.INVALID_TEXT, "Invalid UTF-8 text message"
+                        ) from exc
+                    msg = TUPLE_NEW(
+                        WSMessage, (WSMsgType.CLOSE, close_code, close_message)
+                    )
+                elif payload:
+                    raise WebSocketError(
+                        WSCloseCode.PROTOCOL_ERROR,
+                        f"Invalid close frame: {fin} {opcode} {payload!r}",
+                    )
+                else:
+                    msg = TUPLE_NEW(WSMessage, (WSMsgType.CLOSE, 0, ""))
+
+                self.queue.feed_data(msg, 0)
+            elif opcode == OP_CODE_PING:
+                msg = TUPLE_NEW(WSMessage, (WSMsgType.PING, payload, ""))
+                self.queue.feed_data(msg, len(payload))
+
+            elif opcode == OP_CODE_PONG:
+                msg = TUPLE_NEW(WSMessage, (WSMsgType.PONG, payload, ""))
+                self.queue.feed_data(msg, len(payload))
+
+            else:
+                raise WebSocketError(
+                    WSCloseCode.PROTOCOL_ERROR, f"Unexpected opcode={opcode!r}"
+                )
+
+    def parse_frame(
+        self, buf: bytes
+    ) -> List[Tuple[bool, Optional[int], Union[bytes, bytearray], Optional[bool]]]:
+        """Return the next frame from the socket."""
+        frames: List[
+            Tuple[bool, Optional[int], Union[bytes, bytearray], Optional[bool]]
+        ] = []
+        if self._tail:
+            buf, self._tail = self._tail + buf, b""
+
+        start_pos: int = 0
+        buf_length = len(buf)
+
+        while True:
+            # read header
+            if self._state == READ_HEADER:
+                if buf_length - start_pos < 2:
+                    break
+                first_byte = buf[start_pos]
+                second_byte = buf[start_pos + 1]
+                start_pos += 2
+
+                fin = (first_byte >> 7) & 1
+                rsv1 = (first_byte >> 6) & 1
+                rsv2 = (first_byte >> 5) & 1
+                rsv3 = (first_byte >> 4) & 1
+                opcode = first_byte & 0xF
+
+                # frame-fin = %x0 ; more frames of this message follow
+                #           / %x1 ; final frame of this message
+                # frame-rsv1 = %x0 ;
+                #    1 bit, MUST be 0 unless negotiated otherwise
+                # frame-rsv2 = %x0 ;
+                #    1 bit, MUST be 0 unless negotiated otherwise
+                # frame-rsv3 = %x0 ;
+                #    1 bit, MUST be 0 unless negotiated otherwise
+                #
+                # Remove rsv1 from this test for deflate development
+                if rsv2 or rsv3 or (rsv1 and not self._compress):
+                    raise WebSocketError(
+                        WSCloseCode.PROTOCOL_ERROR,
+                        "Received frame with non-zero reserved bits",
+                    )
+
+                if opcode > 0x7 and fin == 0:
+                    raise WebSocketError(
+                        WSCloseCode.PROTOCOL_ERROR,
+                        "Received fragmented control frame",
+                    )
+
+                has_mask = (second_byte >> 7) & 1
+                length = second_byte & 0x7F
+
+                # Control frames MUST have a payload
+                # length of 125 bytes or less
+                if opcode > 0x7 and length > 125:
+                    raise WebSocketError(
+                        WSCloseCode.PROTOCOL_ERROR,
+                        "Control frame payload cannot be larger than 125 bytes",
+                    )
+
+                # Set compress status if last package is FIN
+                # OR set compress status if this is first fragment
+                # Raise error if not first fragment with rsv1 = 0x1
+                if self._frame_fin or self._compressed is None:
+                    self._compressed = True if rsv1 else False
+                elif rsv1:
+                    raise WebSocketError(
+                        WSCloseCode.PROTOCOL_ERROR,
+                        "Received frame with non-zero reserved bits",
+                    )
+
+                self._frame_fin = bool(fin)
+                self._frame_opcode = opcode
+                self._has_mask = bool(has_mask)
+                self._payload_length_flag = length
+                self._state = READ_PAYLOAD_LENGTH
+
+            # read payload length
+            if self._state == READ_PAYLOAD_LENGTH:
+                length_flag = self._payload_length_flag
+                if length_flag == 126:
+                    if buf_length - start_pos < 2:
+                        break
+                    first_byte = buf[start_pos]
+                    second_byte = buf[start_pos + 1]
+                    start_pos += 2
+                    self._payload_length = first_byte << 8 | second_byte
+                elif length_flag > 126:
+                    if buf_length - start_pos < 8:
+                        break
+                    data = buf[start_pos : start_pos + 8]
+                    start_pos += 8
+                    self._payload_length = UNPACK_LEN3(data)[0]
+                else:
+                    self._payload_length = length_flag
+
+                self._state = READ_PAYLOAD_MASK if self._has_mask else READ_PAYLOAD
+
+            # read payload mask
+            if self._state == READ_PAYLOAD_MASK:
+                if buf_length - start_pos < 4:
+                    break
+                self._frame_mask = buf[start_pos : start_pos + 4]
+                start_pos += 4
+                self._state = READ_PAYLOAD
+
+            if self._state == READ_PAYLOAD:
+                chunk_len = buf_length - start_pos
+                if self._payload_length >= chunk_len:
+                    end_pos = buf_length
+                    self._payload_length -= chunk_len
+                else:
+                    end_pos = start_pos + self._payload_length
+                    self._payload_length = 0
+
+                if self._frame_payload_len:
+                    if type(self._frame_payload) is not bytearray:
+                        self._frame_payload = bytearray(self._frame_payload)
+                    self._frame_payload += buf[start_pos:end_pos]
+                else:
+                    # Fast path for the first frame
+                    self._frame_payload = buf[start_pos:end_pos]
+
+                self._frame_payload_len += end_pos - start_pos
+                start_pos = end_pos
+
+                if self._payload_length != 0:
+                    break
+
+                if self._has_mask:
+                    assert self._frame_mask is not None
+                    if type(self._frame_payload) is not bytearray:
+                        self._frame_payload = bytearray(self._frame_payload)
+                    websocket_mask(self._frame_mask, self._frame_payload)
+
+                frames.append(
+                    (
+                        self._frame_fin,
+                        self._frame_opcode,
+                        self._frame_payload,
+                        self._compressed,
+                    )
+                )
+                self._frame_payload = b""
+                self._frame_payload_len = 0
+                self._state = READ_HEADER
+
+        self._tail = buf[start_pos:] if start_pos < buf_length else b""
+
+        return frames

.venv/lib/python3.11/site-packages/aiohttp/_websocket/reader_py.py

@@ -0,0 +1,468 @@
+"""Reader for WebSocket protocol versions 13 and 8."""
+
+import asyncio
+import builtins
+from collections import deque
+from typing import Deque, Final, List, Optional, Set, Tuple, Union
+
+from ..base_protocol import BaseProtocol
+from ..compression_utils import ZLibDecompressor
+from ..helpers import _EXC_SENTINEL, set_exception
+from ..streams import EofStream
+from .helpers import UNPACK_CLOSE_CODE, UNPACK_LEN3, websocket_mask
+from .models import (
+    WS_DEFLATE_TRAILING,
+    WebSocketError,
+    WSCloseCode,
+    WSMessage,
+    WSMsgType,
+)
+
+ALLOWED_CLOSE_CODES: Final[Set[int]] = {int(i) for i in WSCloseCode}
+
+# States for the reader, used to parse the WebSocket frame
+# integer values are used so they can be cythonized
+READ_HEADER = 1
+READ_PAYLOAD_LENGTH = 2
+READ_PAYLOAD_MASK = 3
+READ_PAYLOAD = 4
+
+WS_MSG_TYPE_BINARY = WSMsgType.BINARY
+WS_MSG_TYPE_TEXT = WSMsgType.TEXT
+
+# WSMsgType values unpacked so they can by cythonized to ints
+OP_CODE_CONTINUATION = WSMsgType.CONTINUATION.value
+OP_CODE_TEXT = WSMsgType.TEXT.value
+OP_CODE_BINARY = WSMsgType.BINARY.value
+OP_CODE_CLOSE = WSMsgType.CLOSE.value
+OP_CODE_PING = WSMsgType.PING.value
+OP_CODE_PONG = WSMsgType.PONG.value
+
+EMPTY_FRAME_ERROR = (True, b"")
+EMPTY_FRAME = (False, b"")
+
+TUPLE_NEW = tuple.__new__
+
+int_ = int  # Prevent Cython from converting to PyInt
+
+
+class WebSocketDataQueue:
+    """WebSocketDataQueue resumes and pauses an underlying stream.
+
+    It is a destination for WebSocket data.
+    """
+
+    def __init__(
+        self, protocol: BaseProtocol, limit: int, *, loop: asyncio.AbstractEventLoop
+    ) -> None:
+        self._size = 0
+        self._protocol = protocol
+        self._limit = limit * 2
+        self._loop = loop
+        self._eof = False
+        self._waiter: Optional[asyncio.Future[None]] = None
+        self._exception: Union[BaseException, None] = None
+        self._buffer: Deque[Tuple[WSMessage, int]] = deque()
+        self._get_buffer = self._buffer.popleft
+        self._put_buffer = self._buffer.append
+
+    def is_eof(self) -> bool:
+        return self._eof
+
+    def exception(self) -> Optional[BaseException]:
+        return self._exception
+
+    def set_exception(
+        self,
+        exc: "BaseException",
+        exc_cause: builtins.BaseException = _EXC_SENTINEL,
+    ) -> None:
+        self._eof = True
+        self._exception = exc
+        if (waiter := self._waiter) is not None:
+            self._waiter = None
+            set_exception(waiter, exc, exc_cause)
+
+    def _release_waiter(self) -> None:
+        if (waiter := self._waiter) is None:
+            return
+        self._waiter = None
+        if not waiter.done():
+            waiter.set_result(None)
+
+    def feed_eof(self) -> None:
+        self._eof = True
+        self._release_waiter()
+
+    def feed_data(self, data: "WSMessage", size: "int_") -> None:
+        self._size += size
+        self._put_buffer((data, size))
+        self._release_waiter()
+        if self._size > self._limit and not self._protocol._reading_paused:
+            self._protocol.pause_reading()
+
+    async def read(self) -> WSMessage:
+        if not self._buffer and not self._eof:
+            assert not self._waiter
+            self._waiter = self._loop.create_future()
+            try:
+                await self._waiter
+            except (asyncio.CancelledError, asyncio.TimeoutError):
+                self._waiter = None
+                raise
+        return self._read_from_buffer()
+
+    def _read_from_buffer(self) -> WSMessage:
+        if self._buffer:
+            data, size = self._get_buffer()
+            self._size -= size
+            if self._size < self._limit and self._protocol._reading_paused:
+                self._protocol.resume_reading()
+            return data
+        if self._exception is not None:
+            raise self._exception
+        raise EofStream
+
+
+class WebSocketReader:
+    def __init__(
+        self, queue: WebSocketDataQueue, max_msg_size: int, compress: bool = True
+    ) -> None:
+        self.queue = queue
+        self._max_msg_size = max_msg_size
+
+        self._exc: Optional[Exception] = None
+        self._partial = bytearray()
+        self._state = READ_HEADER
+
+        self._opcode: Optional[int] = None
+        self._frame_fin = False
+        self._frame_opcode: Optional[int] = None
+        self._frame_payload: Union[bytes, bytearray] = b""
+        self._frame_payload_len = 0
+
+        self._tail: bytes = b""
+        self._has_mask = False
+        self._frame_mask: Optional[bytes] = None
+        self._payload_length = 0
+        self._payload_length_flag = 0
+        self._compressed: Optional[bool] = None
+        self._decompressobj: Optional[ZLibDecompressor] = None
+        self._compress = compress
+
+    def feed_eof(self) -> None:
+        self.queue.feed_eof()
+
+    # data can be bytearray on Windows because proactor event loop uses bytearray
+    # and asyncio types this to Union[bytes, bytearray, memoryview] so we need
+    # coerce data to bytes if it is not
+    def feed_data(
+        self, data: Union[bytes, bytearray, memoryview]
+    ) -> Tuple[bool, bytes]:
+        if type(data) is not bytes:
+            data = bytes(data)
+
+        if self._exc is not None:
+            return True, data
+
+        try:
+            self._feed_data(data)
+        except Exception as exc:
+            self._exc = exc
+            set_exception(self.queue, exc)
+            return EMPTY_FRAME_ERROR
+
+        return EMPTY_FRAME
+
+    def _feed_data(self, data: bytes) -> None:
+        msg: WSMessage
+        for frame in self.parse_frame(data):
+            fin = frame[0]
+            opcode = frame[1]
+            payload = frame[2]
+            compressed = frame[3]
+
+            is_continuation = opcode == OP_CODE_CONTINUATION
+            if opcode == OP_CODE_TEXT or opcode == OP_CODE_BINARY or is_continuation:
+                # load text/binary
+                if not fin:
+                    # got partial frame payload
+                    if not is_continuation:
+                        self._opcode = opcode
+                    self._partial += payload
+                    if self._max_msg_size and len(self._partial) >= self._max_msg_size:
+                        raise WebSocketError(
+                            WSCloseCode.MESSAGE_TOO_BIG,
+                            "Message size {} exceeds limit {}".format(
+                                len(self._partial), self._max_msg_size
+                            ),
+                        )
+                    continue
+
+                has_partial = bool(self._partial)
+                if is_continuation:
+                    if self._opcode is None:
+                        raise WebSocketError(
+                            WSCloseCode.PROTOCOL_ERROR,
+                            "Continuation frame for non started message",
+                        )
+                    opcode = self._opcode
+                    self._opcode = None
+                # previous frame was non finished
+                # we should get continuation opcode
+                elif has_partial:
+                    raise WebSocketError(
+                        WSCloseCode.PROTOCOL_ERROR,
+                        "The opcode in non-fin frame is expected "
+                        "to be zero, got {!r}".format(opcode),
+                    )
+
+                assembled_payload: Union[bytes, bytearray]
+                if has_partial:
+                    assembled_payload = self._partial + payload
+                    self._partial.clear()
+                else:
+                    assembled_payload = payload
+
+                if self._max_msg_size and len(assembled_payload) >= self._max_msg_size:
+                    raise WebSocketError(
+                        WSCloseCode.MESSAGE_TOO_BIG,
+                        "Message size {} exceeds limit {}".format(
+                            len(assembled_payload), self._max_msg_size
+                        ),
+                    )
+
+                # Decompress process must to be done after all packets
+                # received.
+                if compressed:
+                    if not self._decompressobj:
+                        self._decompressobj = ZLibDecompressor(
+                            suppress_deflate_header=True
+                        )
+                    payload_merged = self._decompressobj.decompress_sync(
+                        assembled_payload + WS_DEFLATE_TRAILING, self._max_msg_size
+                    )
+                    if self._decompressobj.unconsumed_tail:
+                        left = len(self._decompressobj.unconsumed_tail)
+                        raise WebSocketError(
+                            WSCloseCode.MESSAGE_TOO_BIG,
+                            "Decompressed message size {} exceeds limit {}".format(
+                                self._max_msg_size + left, self._max_msg_size
+                            ),
+                        )
+                elif type(assembled_payload) is bytes:
+                    payload_merged = assembled_payload
+                else:
+                    payload_merged = bytes(assembled_payload)
+
+                if opcode == OP_CODE_TEXT:
+                    try:
+                        text = payload_merged.decode("utf-8")
+                    except UnicodeDecodeError as exc:
+                        raise WebSocketError(
+                            WSCloseCode.INVALID_TEXT, "Invalid UTF-8 text message"
+                        ) from exc
+
+                    # XXX: The Text and Binary messages here can be a performance
+                    # bottleneck, so we use tuple.__new__ to improve performance.
+                    # This is not type safe, but many tests should fail in
+                    # test_client_ws_functional.py if this is wrong.
+                    self.queue.feed_data(
+                        TUPLE_NEW(WSMessage, (WS_MSG_TYPE_TEXT, text, "")),
+                        len(payload_merged),
+                    )
+                else:
+                    self.queue.feed_data(
+                        TUPLE_NEW(WSMessage, (WS_MSG_TYPE_BINARY, payload_merged, "")),
+                        len(payload_merged),
+                    )
+            elif opcode == OP_CODE_CLOSE:
+                if len(payload) >= 2:
+                    close_code = UNPACK_CLOSE_CODE(payload[:2])[0]
+                    if close_code < 3000 and close_code not in ALLOWED_CLOSE_CODES:
+                        raise WebSocketError(
+                            WSCloseCode.PROTOCOL_ERROR,
+                            f"Invalid close code: {close_code}",
+                        )
+                    try:
+                        close_message = payload[2:].decode("utf-8")
+                    except UnicodeDecodeError as exc:
+                        raise WebSocketError(
+                            WSCloseCode.INVALID_TEXT, "Invalid UTF-8 text message"
+                        ) from exc
+                    msg = TUPLE_NEW(
+                        WSMessage, (WSMsgType.CLOSE, close_code, close_message)
+                    )
+                elif payload:
+                    raise WebSocketError(
+                        WSCloseCode.PROTOCOL_ERROR,
+                        f"Invalid close frame: {fin} {opcode} {payload!r}",
+                    )
+                else:
+                    msg = TUPLE_NEW(WSMessage, (WSMsgType.CLOSE, 0, ""))
+
+                self.queue.feed_data(msg, 0)
+            elif opcode == OP_CODE_PING:
+                msg = TUPLE_NEW(WSMessage, (WSMsgType.PING, payload, ""))
+                self.queue.feed_data(msg, len(payload))
+
+            elif opcode == OP_CODE_PONG:
+                msg = TUPLE_NEW(WSMessage, (WSMsgType.PONG, payload, ""))
+                self.queue.feed_data(msg, len(payload))
+
+            else:
+                raise WebSocketError(
+                    WSCloseCode.PROTOCOL_ERROR, f"Unexpected opcode={opcode!r}"
+                )
+
+    def parse_frame(
+        self, buf: bytes
+    ) -> List[Tuple[bool, Optional[int], Union[bytes, bytearray], Optional[bool]]]:
+        """Return the next frame from the socket."""
+        frames: List[
+            Tuple[bool, Optional[int], Union[bytes, bytearray], Optional[bool]]
+        ] = []
+        if self._tail:
+            buf, self._tail = self._tail + buf, b""
+
+        start_pos: int = 0
+        buf_length = len(buf)
+
+        while True:
+            # read header
+            if self._state == READ_HEADER:
+                if buf_length - start_pos < 2:
+                    break
+                first_byte = buf[start_pos]
+                second_byte = buf[start_pos + 1]
+                start_pos += 2
+
+                fin = (first_byte >> 7) & 1
+                rsv1 = (first_byte >> 6) & 1
+                rsv2 = (first_byte >> 5) & 1
+                rsv3 = (first_byte >> 4) & 1
+                opcode = first_byte & 0xF
+
+                # frame-fin = %x0 ; more frames of this message follow
+                #           / %x1 ; final frame of this message
+                # frame-rsv1 = %x0 ;
+                #    1 bit, MUST be 0 unless negotiated otherwise
+                # frame-rsv2 = %x0 ;
+                #    1 bit, MUST be 0 unless negotiated otherwise
+                # frame-rsv3 = %x0 ;
+                #    1 bit, MUST be 0 unless negotiated otherwise
+                #
+                # Remove rsv1 from this test for deflate development
+                if rsv2 or rsv3 or (rsv1 and not self._compress):
+                    raise WebSocketError(
+                        WSCloseCode.PROTOCOL_ERROR,
+                        "Received frame with non-zero reserved bits",
+                    )
+
+                if opcode > 0x7 and fin == 0:
+                    raise WebSocketError(
+                        WSCloseCode.PROTOCOL_ERROR,
+                        "Received fragmented control frame",
+                    )
+
+                has_mask = (second_byte >> 7) & 1
+                length = second_byte & 0x7F
+
+                # Control frames MUST have a payload
+                # length of 125 bytes or less
+                if opcode > 0x7 and length > 125:
+                    raise WebSocketError(
+                        WSCloseCode.PROTOCOL_ERROR,
+                        "Control frame payload cannot be larger than 125 bytes",
+                    )
+
+                # Set compress status if last package is FIN
+                # OR set compress status if this is first fragment
+                # Raise error if not first fragment with rsv1 = 0x1
+                if self._frame_fin or self._compressed is None:
+                    self._compressed = True if rsv1 else False
+                elif rsv1:
+                    raise WebSocketError(
+                        WSCloseCode.PROTOCOL_ERROR,
+                        "Received frame with non-zero reserved bits",
+                    )
+
+                self._frame_fin = bool(fin)
+                self._frame_opcode = opcode
+                self._has_mask = bool(has_mask)
+                self._payload_length_flag = length
+                self._state = READ_PAYLOAD_LENGTH
+
+            # read payload length
+            if self._state == READ_PAYLOAD_LENGTH:
+                length_flag = self._payload_length_flag
+                if length_flag == 126:
+                    if buf_length - start_pos < 2:
+                        break
+                    first_byte = buf[start_pos]
+                    second_byte = buf[start_pos + 1]
+                    start_pos += 2
+                    self._payload_length = first_byte << 8 | second_byte
+                elif length_flag > 126:
+                    if buf_length - start_pos < 8:
+                        break
+                    data = buf[start_pos : start_pos + 8]
+                    start_pos += 8
+                    self._payload_length = UNPACK_LEN3(data)[0]
+                else:
+                    self._payload_length = length_flag
+
+                self._state = READ_PAYLOAD_MASK if self._has_mask else READ_PAYLOAD
+
+            # read payload mask
+            if self._state == READ_PAYLOAD_MASK:
+                if buf_length - start_pos < 4:
+                    break
+                self._frame_mask = buf[start_pos : start_pos + 4]
+                start_pos += 4
+                self._state = READ_PAYLOAD
+
+            if self._state == READ_PAYLOAD:
+                chunk_len = buf_length - start_pos
+                if self._payload_length >= chunk_len:
+                    end_pos = buf_length
+                    self._payload_length -= chunk_len
+                else:
+                    end_pos = start_pos + self._payload_length
+                    self._payload_length = 0
+
+                if self._frame_payload_len:
+                    if type(self._frame_payload) is not bytearray:
+                        self._frame_payload = bytearray(self._frame_payload)
+                    self._frame_payload += buf[start_pos:end_pos]
+                else:
+                    # Fast path for the first frame
+                    self._frame_payload = buf[start_pos:end_pos]
+
+                self._frame_payload_len += end_pos - start_pos
+                start_pos = end_pos
+
+                if self._payload_length != 0:
+                    break
+
+                if self._has_mask:
+                    assert self._frame_mask is not None
+                    if type(self._frame_payload) is not bytearray:
+                        self._frame_payload = bytearray(self._frame_payload)
+                    websocket_mask(self._frame_mask, self._frame_payload)
+
+                frames.append(
+                    (
+                        self._frame_fin,
+                        self._frame_opcode,
+                        self._frame_payload,
+                        self._compressed,
+                    )
+                )
+                self._frame_payload = b""
+                self._frame_payload_len = 0
+                self._state = READ_HEADER
+
+        self._tail = buf[start_pos:] if start_pos < buf_length else b""
+
+        return frames

.venv/lib/python3.11/site-packages/aiohttp/_websocket/writer.py

@@ -0,0 +1,177 @@
+"""WebSocket protocol versions 13 and 8."""
+
+import asyncio
+import random
+import zlib
+from functools import partial
+from typing import Any, Final, Optional, Union
+
+from ..base_protocol import BaseProtocol
+from ..client_exceptions import ClientConnectionResetError
+from ..compression_utils import ZLibCompressor
+from .helpers import (
+    MASK_LEN,
+    MSG_SIZE,
+    PACK_CLOSE_CODE,
+    PACK_LEN1,
+    PACK_LEN2,
+    PACK_LEN3,
+    PACK_RANDBITS,
+    websocket_mask,
+)
+from .models import WS_DEFLATE_TRAILING, WSMsgType
+
+DEFAULT_LIMIT: Final[int] = 2**16
+
+# For websockets, keeping latency low is extremely important as implementations
+# generally expect to be able to send and receive messages quickly.  We use a
+# larger chunk size than the default to reduce the number of executor calls
+# since the executor is a significant source of latency and overhead when
+# the chunks are small. A size of 5KiB was chosen because it is also the
+# same value python-zlib-ng choose to use as the threshold to release the GIL.
+
+WEBSOCKET_MAX_SYNC_CHUNK_SIZE = 5 * 1024
+
+
+class WebSocketWriter:
+    """WebSocket writer.
+
+    The writer is responsible for sending messages to the client. It is
+    created by the protocol when a connection is established. The writer
+    should avoid implementing any application logic and should only be
+    concerned with the low-level details of the WebSocket protocol.
+    """
+
+    def __init__(
+        self,
+        protocol: BaseProtocol,
+        transport: asyncio.Transport,
+        *,
+        use_mask: bool = False,
+        limit: int = DEFAULT_LIMIT,
+        random: random.Random = random.Random(),
+        compress: int = 0,
+        notakeover: bool = False,
+    ) -> None:
+        """Initialize a WebSocket writer."""
+        self.protocol = protocol
+        self.transport = transport
+        self.use_mask = use_mask
+        self.get_random_bits = partial(random.getrandbits, 32)
+        self.compress = compress
+        self.notakeover = notakeover
+        self._closing = False
+        self._limit = limit
+        self._output_size = 0
+        self._compressobj: Any = None  # actually compressobj
+
+    async def send_frame(
+        self, message: bytes, opcode: int, compress: Optional[int] = None
+    ) -> None:
+        """Send a frame over the websocket with message as its payload."""
+        if self._closing and not (opcode & WSMsgType.CLOSE):
+            raise ClientConnectionResetError("Cannot write to closing transport")
+
+        # RSV are the reserved bits in the frame header. They are used to
+        # indicate that the frame is using an extension.
+        # https://datatracker.ietf.org/doc/html/rfc6455#section-5.2
+        rsv = 0
+        # Only compress larger packets (disabled)
+        # Does small packet needs to be compressed?
+        # if self.compress and opcode < 8 and len(message) > 124:
+        if (compress or self.compress) and opcode < 8:
+            # RSV1 (rsv = 0x40) is set for compressed frames
+            # https://datatracker.ietf.org/doc/html/rfc7692#section-7.2.3.1
+            rsv = 0x40
+
+            if compress:
+                # Do not set self._compress if compressing is for this frame
+                compressobj = self._make_compress_obj(compress)
+            else:  # self.compress
+                if not self._compressobj:
+                    self._compressobj = self._make_compress_obj(self.compress)
+                compressobj = self._compressobj
+
+            message = (
+                await compressobj.compress(message)
+                + compressobj.flush(
+                    zlib.Z_FULL_FLUSH if self.notakeover else zlib.Z_SYNC_FLUSH
+                )
+            ).removesuffix(WS_DEFLATE_TRAILING)
+            # Its critical that we do not return control to the event
+            # loop until we have finished sending all the compressed
+            # data. Otherwise we could end up mixing compressed frames
+            # if there are multiple coroutines compressing data.
+
+        msg_length = len(message)
+
+        use_mask = self.use_mask
+        mask_bit = 0x80 if use_mask else 0
+
+        # Depending on the message length, the header is assembled differently.
+        # The first byte is reserved for the opcode and the RSV bits.
+        first_byte = 0x80 | rsv | opcode
+        if msg_length < 126:
+            header = PACK_LEN1(first_byte, msg_length | mask_bit)
+            header_len = 2
+        elif msg_length < 65536:
+            header = PACK_LEN2(first_byte, 126 | mask_bit, msg_length)
+            header_len = 4
+        else:
+            header = PACK_LEN3(first_byte, 127 | mask_bit, msg_length)
+            header_len = 10
+
+        if self.transport.is_closing():
+            raise ClientConnectionResetError("Cannot write to closing transport")
+
+        # https://datatracker.ietf.org/doc/html/rfc6455#section-5.3
+        # If we are using a mask, we need to generate it randomly
+        # and apply it to the message before sending it. A mask is
+        # a 32-bit value that is applied to the message using a
+        # bitwise XOR operation. It is used to prevent certain types
+        # of attacks on the websocket protocol. The mask is only used
+        # when aiohttp is acting as a client. Servers do not use a mask.
+        if use_mask:
+            mask = PACK_RANDBITS(self.get_random_bits())
+            message = bytearray(message)
+            websocket_mask(mask, message)
+            self.transport.write(header + mask + message)
+            self._output_size += MASK_LEN
+        elif msg_length > MSG_SIZE:
+            self.transport.write(header)
+            self.transport.write(message)
+        else:
+            self.transport.write(header + message)
+
+        self._output_size += header_len + msg_length
+
+        # It is safe to return control to the event loop when using compression
+        # after this point as we have already sent or buffered all the data.
+
+        # Once we have written output_size up to the limit, we call the
+        # drain helper which waits for the transport to be ready to accept
+        # more data. This is a flow control mechanism to prevent the buffer
+        # from growing too large. The drain helper will return right away
+        # if the writer is not paused.
+        if self._output_size > self._limit:
+            self._output_size = 0
+            if self.protocol._paused:
+                await self.protocol._drain_helper()
+
+    def _make_compress_obj(self, compress: int) -> ZLibCompressor:
+        return ZLibCompressor(
+            level=zlib.Z_BEST_SPEED,
+            wbits=-compress,
+            max_sync_chunk_size=WEBSOCKET_MAX_SYNC_CHUNK_SIZE,
+        )
+
+    async def close(self, code: int = 1000, message: Union[bytes, str] = b"") -> None:
+        """Close the websocket, sending the specified code and message."""
+        if isinstance(message, str):
+            message = message.encode("utf-8")
+        try:
+            await self.send_frame(
+                PACK_CLOSE_CODE(code) + message, opcode=WSMsgType.CLOSE
+            )
+        finally:
+            self._closing = True

.venv/lib/python3.11/site-packages/aiohttp/base_protocol.py

@@ -0,0 +1,100 @@
+import asyncio
+from typing import Optional, cast
+
+from .client_exceptions import ClientConnectionResetError
+from .helpers import set_exception
+from .tcp_helpers import tcp_nodelay
+
+
+class BaseProtocol(asyncio.Protocol):
+    __slots__ = (
+        "_loop",
+        "_paused",
+        "_drain_waiter",
+        "_connection_lost",
+        "_reading_paused",
+        "transport",
+    )
+
+    def __init__(self, loop: asyncio.AbstractEventLoop) -> None:
+        self._loop: asyncio.AbstractEventLoop = loop
+        self._paused = False
+        self._drain_waiter: Optional[asyncio.Future[None]] = None
+        self._reading_paused = False
+
+        self.transport: Optional[asyncio.Transport] = None
+
+    @property
+    def connected(self) -> bool:
+        """Return True if the connection is open."""
+        return self.transport is not None
+
+    @property
+    def writing_paused(self) -> bool:
+        return self._paused
+
+    def pause_writing(self) -> None:
+        assert not self._paused
+        self._paused = True
+
+    def resume_writing(self) -> None:
+        assert self._paused
+        self._paused = False
+
+        waiter = self._drain_waiter
+        if waiter is not None:
+            self._drain_waiter = None
+            if not waiter.done():
+                waiter.set_result(None)
+
+    def pause_reading(self) -> None:
+        if not self._reading_paused and self.transport is not None:
+            try:
+                self.transport.pause_reading()
+            except (AttributeError, NotImplementedError, RuntimeError):
+                pass
+            self._reading_paused = True
+
+    def resume_reading(self) -> None:
+        if self._reading_paused and self.transport is not None:
+            try:
+                self.transport.resume_reading()
+            except (AttributeError, NotImplementedError, RuntimeError):
+                pass
+            self._reading_paused = False
+
+    def connection_made(self, transport: asyncio.BaseTransport) -> None:
+        tr = cast(asyncio.Transport, transport)
+        tcp_nodelay(tr, True)
+        self.transport = tr
+
+    def connection_lost(self, exc: Optional[BaseException]) -> None:
+        # Wake up the writer if currently paused.
+        self.transport = None
+        if not self._paused:
+            return
+        waiter = self._drain_waiter
+        if waiter is None:
+            return
+        self._drain_waiter = None
+        if waiter.done():
+            return
+        if exc is None:
+            waiter.set_result(None)
+        else:
+            set_exception(
+                waiter,
+                ConnectionError("Connection lost"),
+                exc,
+            )
+
+    async def _drain_helper(self) -> None:
+        if self.transport is None:
+            raise ClientConnectionResetError("Connection lost")
+        if not self._paused:
+            return
+        waiter = self._drain_waiter
+        if waiter is None:
+            waiter = self._loop.create_future()
+            self._drain_waiter = waiter
+        await asyncio.shield(waiter)

.venv/lib/python3.11/site-packages/aiohttp/client.py

@@ -0,0 +1,1550 @@
+"""HTTP Client for asyncio."""
+
+import asyncio
+import base64
+import hashlib
+import json
+import os
+import sys
+import traceback
+import warnings
+from contextlib import suppress
+from types import TracebackType
+from typing import (
+    TYPE_CHECKING,
+    Any,
+    Awaitable,
+    Callable,
+    Coroutine,
+    Final,
+    FrozenSet,
+    Generator,
+    Generic,
+    Iterable,
+    List,
+    Mapping,
+    Optional,
+    Set,
+    Tuple,
+    Type,
+    TypedDict,
+    TypeVar,
+    Union,
+)
+
+import attr
+from multidict import CIMultiDict, MultiDict, MultiDictProxy, istr
+from yarl import URL
+
+from . import hdrs, http, payload
+from ._websocket.reader import WebSocketDataQueue
+from .abc import AbstractCookieJar
+from .client_exceptions import (
+    ClientConnectionError,
+    ClientConnectionResetError,
+    ClientConnectorCertificateError,
+    ClientConnectorDNSError,
+    ClientConnectorError,
+    ClientConnectorSSLError,
+    ClientError,
+    ClientHttpProxyError,
+    ClientOSError,
+    ClientPayloadError,
+    ClientProxyConnectionError,
+    ClientResponseError,
+    ClientSSLError,
+    ConnectionTimeoutError,
+    ContentTypeError,
+    InvalidURL,
+    InvalidUrlClientError,
+    InvalidUrlRedirectClientError,
+    NonHttpUrlClientError,
+    NonHttpUrlRedirectClientError,
+    RedirectClientError,
+    ServerConnectionError,
+    ServerDisconnectedError,
+    ServerFingerprintMismatch,
+    ServerTimeoutError,
+    SocketTimeoutError,
+    TooManyRedirects,
+    WSMessageTypeError,
+    WSServerHandshakeError,
+)
+from .client_reqrep import (
+    ClientRequest as ClientRequest,
+    ClientResponse as ClientResponse,
+    Fingerprint as Fingerprint,
+    RequestInfo as RequestInfo,
+    _merge_ssl_params,
+)
+from .client_ws import (
+    DEFAULT_WS_CLIENT_TIMEOUT,
+    ClientWebSocketResponse as ClientWebSocketResponse,
+    ClientWSTimeout as ClientWSTimeout,
+)
+from .connector import (
+    HTTP_AND_EMPTY_SCHEMA_SET,
+    BaseConnector as BaseConnector,
+    NamedPipeConnector as NamedPipeConnector,
+    TCPConnector as TCPConnector,
+    UnixConnector as UnixConnector,
+)
+from .cookiejar import CookieJar
+from .helpers import (
+    _SENTINEL,
+    DEBUG,
+    EMPTY_BODY_METHODS,
+    BasicAuth,
+    TimeoutHandle,
+    get_env_proxy_for_url,
+    sentinel,
+    strip_auth_from_url,
+)
+from .http import WS_KEY, HttpVersion, WebSocketReader, WebSocketWriter
+from .http_websocket import WSHandshakeError, ws_ext_gen, ws_ext_parse
+from .tracing import Trace, TraceConfig
+from .typedefs import JSONEncoder, LooseCookies, LooseHeaders, Query, StrOrURL
+
+__all__ = (
+    # client_exceptions
+    "ClientConnectionError",
+    "ClientConnectionResetError",
+    "ClientConnectorCertificateError",
+    "ClientConnectorDNSError",
+    "ClientConnectorError",
+    "ClientConnectorSSLError",
+    "ClientError",
+    "ClientHttpProxyError",
+    "ClientOSError",
+    "ClientPayloadError",
+    "ClientProxyConnectionError",
+    "ClientResponseError",
+    "ClientSSLError",
+    "ConnectionTimeoutError",
+    "ContentTypeError",
+    "InvalidURL",
+    "InvalidUrlClientError",
+    "RedirectClientError",
+    "NonHttpUrlClientError",
+    "InvalidUrlRedirectClientError",
+    "NonHttpUrlRedirectClientError",
+    "ServerConnectionError",
+    "ServerDisconnectedError",
+    "ServerFingerprintMismatch",
+    "ServerTimeoutError",
+    "SocketTimeoutError",
+    "TooManyRedirects",
+    "WSServerHandshakeError",
+    # client_reqrep
+    "ClientRequest",
+    "ClientResponse",
+    "Fingerprint",
+    "RequestInfo",
+    # connector
+    "BaseConnector",
+    "TCPConnector",
+    "UnixConnector",
+    "NamedPipeConnector",
+    # client_ws
+    "ClientWebSocketResponse",
+    # client
+    "ClientSession",
+    "ClientTimeout",
+    "ClientWSTimeout",
+    "request",
+    "WSMessageTypeError",
+)
+
+
+if TYPE_CHECKING:
+    from ssl import SSLContext
+else:
+    SSLContext = None
+
+if sys.version_info >= (3, 11) and TYPE_CHECKING:
+    from typing import Unpack
+
+
+class _RequestOptions(TypedDict, total=False):
+    params: Query
+    data: Any
+    json: Any
+    cookies: Union[LooseCookies, None]
+    headers: Union[LooseHeaders, None]
+    skip_auto_headers: Union[Iterable[str], None]
+    auth: Union[BasicAuth, None]
+    allow_redirects: bool
+    max_redirects: int
+    compress: Union[str, bool, None]
+    chunked: Union[bool, None]
+    expect100: bool
+    raise_for_status: Union[None, bool, Callable[[ClientResponse], Awaitable[None]]]
+    read_until_eof: bool
+    proxy: Union[StrOrURL, None]
+    proxy_auth: Union[BasicAuth, None]
+    timeout: "Union[ClientTimeout, _SENTINEL, None]"
+    ssl: Union[SSLContext, bool, Fingerprint]
+    server_hostname: Union[str, None]
+    proxy_headers: Union[LooseHeaders, None]
+    trace_request_ctx: Union[Mapping[str, Any], None]
+    read_bufsize: Union[int, None]
+    auto_decompress: Union[bool, None]
+    max_line_size: Union[int, None]
+    max_field_size: Union[int, None]
+
+
+@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
+    ceil_threshold: float = 5
+
+    # 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: Final[ClientTimeout] = ClientTimeout(total=5 * 60, sock_connect=30)
+
+# https://www.rfc-editor.org/rfc/rfc9110#section-9.2.2
+IDEMPOTENT_METHODS = frozenset({"GET", "HEAD", "OPTIONS", "TRACE", "PUT", "DELETE"})
+
+_RetType = TypeVar("_RetType", ClientResponse, ClientWebSocketResponse)
+_CharsetResolver = Callable[[ClientResponse, bytes], str]
+
+
+class ClientSession:
+    """First-class interface for making HTTP requests."""
+
+    ATTRS = frozenset(
+        [
+            "_base_url",
+            "_base_url_origin",
+            "_source_traceback",
+            "_connector",
+            "_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",
+            "_max_line_size",
+            "_max_field_size",
+            "_resolve_charset",
+            "_default_proxy",
+            "_default_proxy_auth",
+            "_retry_connection",
+            "requote_redirect_url",
+        ]
+    )
+
+    _source_traceback: Optional[traceback.StackSummary] = None
+    _connector: Optional[BaseConnector] = None
+
+    def __init__(
+        self,
+        base_url: Optional[StrOrURL] = None,
+        *,
+        connector: Optional[BaseConnector] = None,
+        loop: Optional[asyncio.AbstractEventLoop] = None,
+        cookies: Optional[LooseCookies] = None,
+        headers: Optional[LooseHeaders] = None,
+        proxy: Optional[StrOrURL] = None,
+        proxy_auth: Optional[BasicAuth] = 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: Union[
+            bool, Callable[[ClientResponse], Awaitable[None]]
+        ] = False,
+        read_timeout: Union[float, _SENTINEL] = 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,
+        max_line_size: int = 8190,
+        max_field_size: int = 8190,
+        fallback_charset_resolver: _CharsetResolver = lambda r, b: "utf-8",
+    ) -> None:
+        # We initialise _connector to None immediately, as it's referenced in __del__()
+        # and could cause issues if an exception occurs during initialisation.
+        self._connector: Optional[BaseConnector] = None
+
+        if loop is None:
+            if connector is not None:
+                loop = connector._loop
+
+        loop = loop or asyncio.get_running_loop()
+
+        if base_url is None or isinstance(base_url, URL):
+            self._base_url: Optional[URL] = base_url
+            self._base_url_origin = None if base_url is None else base_url.origin()
+        else:
+            self._base_url = URL(base_url)
+            self._base_url_origin = self._base_url.origin()
+            assert self._base_url.absolute, "Only absolute URLs are supported"
+        if self._base_url is not None and not self._base_url.path.endswith("/"):
+            raise ValueError("base_url must have a trailing '/'")
+
+        if timeout is sentinel or timeout is None:
+            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:
+            if not isinstance(timeout, ClientTimeout):
+                raise ValueError(
+                    f"timeout parameter cannot be of {type(timeout)} type, "
+                    "please use 'timeout=ClientTimeout(...)'",
+                )
+            self._timeout = timeout
+            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"
+                )
+
+        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:
+            self._cookie_jar.update_cookies(cookies)
+
+        self._connector = connector
+        self._connector_owner = connector_owner
+        self._default_auth = auth
+        self._version = version
+        self._json_serialize = json_serialize
+        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
+        self._max_line_size = max_line_size
+        self._max_field_size = max_field_size
+
+        # Convert to list of tuples
+        if headers:
+            real_headers: CIMultiDict[str] = CIMultiDict(headers)
+        else:
+            real_headers = CIMultiDict()
+        self._default_headers: CIMultiDict[str] = real_headers
+        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()
+
+        self._resolve_charset = fallback_charset_resolver
+
+        self._default_proxy = proxy
+        self._default_proxy_auth = proxy_auth
+        self._retry_connection: bool = True
+
+    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:
+            kwargs = {"source": self}
+            _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)
+
+    if sys.version_info >= (3, 11) and TYPE_CHECKING:
+
+        def request(
+            self,
+            method: str,
+            url: StrOrURL,
+            **kwargs: Unpack[_RequestOptions],
+        ) -> "_RequestContextManager": ...
+
+    else:
+
+        def request(
+            self, method: str, url: StrOrURL, **kwargs: Any
+        ) -> "_RequestContextManager":
+            """Perform HTTP request."""
+            return _RequestContextManager(self._request(method, url, **kwargs))
+
+    def _build_url(self, str_or_url: StrOrURL) -> URL:
+        url = URL(str_or_url)
+        if self._base_url is None:
+            return url
+        else:
+            assert not url.absolute
+            return self._base_url.join(url)
+
+    async def _request(
+        self,
+        method: str,
+        str_or_url: StrOrURL,
+        *,
+        params: Query = 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: Union[str, bool, None] = None,
+        chunked: Optional[bool] = None,
+        expect100: bool = False,
+        raise_for_status: Union[
+            None, bool, Callable[[ClientResponse], Awaitable[None]]
+        ] = None,
+        read_until_eof: bool = True,
+        proxy: Optional[StrOrURL] = None,
+        proxy_auth: Optional[BasicAuth] = None,
+        timeout: Union[ClientTimeout, _SENTINEL] = sentinel,
+        verify_ssl: Optional[bool] = None,
+        fingerprint: Optional[bytes] = None,
+        ssl_context: Optional[SSLContext] = None,
+        ssl: Union[SSLContext, bool, Fingerprint] = True,
+        server_hostname: Optional[str] = None,
+        proxy_headers: Optional[LooseHeaders] = None,
+        trace_request_ctx: Optional[Mapping[str, Any]] = None,
+        read_bufsize: Optional[int] = None,
+        auto_decompress: Optional[bool] = None,
+        max_line_size: Optional[int] = None,
+        max_field_size: 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: List[ClientResponse] = []
+        version = self._version
+        params = params or {}
+
+        # Merge with default headers and transform to CIMultiDict
+        headers = self._prepare_headers(headers)
+
+        try:
+            url = self._build_url(str_or_url)
+        except ValueError as e:
+            raise InvalidUrlClientError(str_or_url) from e
+
+        assert self._connector is not None
+        if url.scheme not in self._connector.allowed_protocol_schema_set:
+            raise NonHttpUrlClientError(url)
+
+        skip_headers: Optional[Iterable[istr]]
+        if skip_auto_headers is not None:
+            skip_headers = {
+                istr(i) for i in skip_auto_headers
+            } | self._skip_auto_headers
+        elif self._skip_auto_headers:
+            skip_headers = self._skip_auto_headers
+        else:
+            skip_headers = None
+
+        if proxy is None:
+            proxy = self._default_proxy
+        if proxy_auth is None:
+            proxy_auth = self._default_proxy_auth
+
+        if proxy is None:
+            proxy_headers = None
+        else:
+            proxy_headers = self._prepare_headers(proxy_headers)
+            try:
+                proxy = URL(proxy)
+            except ValueError as e:
+                raise InvalidURL(proxy) from e
+
+        if timeout is sentinel:
+            real_timeout: ClientTimeout = self._timeout
+        else:
+            if not isinstance(timeout, ClientTimeout):
+                real_timeout = ClientTimeout(total=timeout)
+            else:
+                real_timeout = timeout
+        # timeout is cumulative for all request operations
+        # (request, redirects, responses, data consuming)
+        tm = TimeoutHandle(
+            self._loop, real_timeout.total, ceil_threshold=real_timeout.ceil_threshold
+        )
+        handle = tm.start()
+
+        if read_bufsize is None:
+            read_bufsize = self._read_bufsize
+
+        if auto_decompress is None:
+            auto_decompress = self._auto_decompress
+
+        if max_line_size is None:
+            max_line_size = self._max_line_size
+
+        if max_field_size is None:
+            max_field_size = self._max_field_size
+
+        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.update_query(params), headers)
+
+        timer = tm.timer()
+        try:
+            with timer:
+                # https://www.rfc-editor.org/rfc/rfc9112.html#name-retrying-requests
+                retry_persistent_connection = (
+                    self._retry_connection and method in IDEMPOTENT_METHODS
+                )
+                while True:
+                    url, auth_from_url = strip_auth_from_url(url)
+                    if not url.raw_host:
+                        # NOTE: Bail early, otherwise, causes `InvalidURL` through
+                        # NOTE: `self._request_class()` below.
+                        err_exc_cls = (
+                            InvalidUrlRedirectClientError
+                            if redirects
+                            else InvalidUrlClientError
+                        )
+                        raise err_exc_cls(url)
+                    # If `auth` was passed for an already authenticated URL,
+                    # disallow only if this is the initial URL; this is to avoid issues
+                    # with sketchy redirects that are not the caller's responsibility
+                    if not history and (auth and auth_from_url):
+                        raise ValueError(
+                            "Cannot combine AUTH argument with "
+                            "credentials encoded in URL"
+                        )
+
+                    # Override the auth with the one from the URL only if we
+                    # have no auth, or if we got an auth from a redirect URL
+                    if auth is None or (history and auth_from_url is not None):
+                        auth = auth_from_url
+
+                    if (
+                        auth is None
+                        and self._default_auth
+                        and (
+                            not self._base_url or self._base_url_origin == url.origin()
+                        )
+                    ):
+                        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(
+                            quote_cookie=self._cookie_jar.quote_cookie
+                        )
+                        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:
+                        with suppress(LookupError):
+                            proxy, proxy_auth = get_env_proxy_for_url(url)
+
+                    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 if ssl is not None else True,
+                        server_hostname=server_hostname,
+                        proxy_headers=proxy_headers,
+                        traces=traces,
+                        trust_env=self.trust_env,
+                    )
+
+                    # connection timeout
+                    try:
+                        conn = await self._connector.connect(
+                            req, traces=traces, timeout=real_timeout
+                        )
+                    except asyncio.TimeoutError as exc:
+                        raise ConnectionTimeoutError(
+                            f"Connection timeout to host {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 in EMPTY_BODY_METHODS,
+                        read_until_eof=read_until_eof,
+                        auto_decompress=auto_decompress,
+                        read_timeout=real_timeout.sock_read,
+                        read_bufsize=read_bufsize,
+                        timeout_ceil_threshold=self._connector._timeout_ceil_threshold,
+                        max_line_size=max_line_size,
+                        max_field_size=max_field_size,
+                    )
+
+                    try:
+                        try:
+                            resp = await req.send(conn)
+                            try:
+                                await resp.start(conn)
+                            except BaseException:
+                                resp.close()
+                                raise
+                        except BaseException:
+                            conn.close()
+                            raise
+                    except (ClientOSError, ServerDisconnectedError):
+                        if retry_persistent_connection:
+                            retry_persistent_connection = False
+                            continue
+                        raise
+                    except ClientError:
+                        raise
+                    except OSError as exc:
+                        if exc.errno is None and isinstance(exc, asyncio.TimeoutError):
+                            raise
+                        raise ClientOSError(*exc.args) from exc
+
+                    if cookies := resp._cookies:
+                        self._cookie_jar.update_cookies(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.update_query(params), 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_redirect_url = URL(
+                                r_url, encoded=not self._requote_redirect_url
+                            )
+                        except ValueError as e:
+                            raise InvalidUrlRedirectClientError(
+                                r_url,
+                                "Server attempted redirecting to a location that does not look like a URL",
+                            ) from e
+
+                        scheme = parsed_redirect_url.scheme
+                        if scheme not in HTTP_AND_EMPTY_SCHEMA_SET:
+                            resp.close()
+                            raise NonHttpUrlRedirectClientError(r_url)
+                        elif not scheme:
+                            parsed_redirect_url = url.join(parsed_redirect_url)
+
+                        try:
+                            redirect_origin = parsed_redirect_url.origin()
+                        except ValueError as origin_val_err:
+                            raise InvalidUrlRedirectClientError(
+                                parsed_redirect_url,
+                                "Invalid redirect URL origin",
+                            ) from origin_val_err
+
+                        if url.origin() != redirect_origin:
+                            auth = None
+                            headers.pop(hdrs.AUTHORIZATION, None)
+
+                        url = parsed_redirect_url
+                        params = {}
+                        resp.release()
+                        continue
+
+                    break
+
+            # check response status
+            if raise_for_status is None:
+                raise_for_status = self._raise_for_status
+
+            if raise_for_status is None:
+                pass
+            elif callable(raise_for_status):
+                await raise_for_status(resp)
+            elif 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.update_query(params), 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.update_query(params), headers, e
+                )
+            raise
+
+    def ws_connect(
+        self,
+        url: StrOrURL,
+        *,
+        method: str = hdrs.METH_GET,
+        protocols: Iterable[str] = (),
+        timeout: Union[ClientWSTimeout, _SENTINEL] = sentinel,
+        receive_timeout: Optional[float] = None,
+        autoclose: bool = True,
+        autoping: bool = True,
+        heartbeat: Optional[float] = None,
+        auth: Optional[BasicAuth] = None,
+        origin: Optional[str] = None,
+        params: Query = None,
+        headers: Optional[LooseHeaders] = None,
+        proxy: Optional[StrOrURL] = None,
+        proxy_auth: Optional[BasicAuth] = None,
+        ssl: Union[SSLContext, bool, Fingerprint] = True,
+        verify_ssl: Optional[bool] = None,
+        fingerprint: Optional[bytes] = None,
+        ssl_context: Optional[SSLContext] = None,
+        server_hostname: Optional[str] = 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,
+                params=params,
+                headers=headers,
+                proxy=proxy,
+                proxy_auth=proxy_auth,
+                ssl=ssl,
+                verify_ssl=verify_ssl,
+                fingerprint=fingerprint,
+                ssl_context=ssl_context,
+                server_hostname=server_hostname,
+                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: Union[ClientWSTimeout, _SENTINEL] = sentinel,
+        receive_timeout: Optional[float] = None,
+        autoclose: bool = True,
+        autoping: bool = True,
+        heartbeat: Optional[float] = None,
+        auth: Optional[BasicAuth] = None,
+        origin: Optional[str] = None,
+        params: Query = None,
+        headers: Optional[LooseHeaders] = None,
+        proxy: Optional[StrOrURL] = None,
+        proxy_auth: Optional[BasicAuth] = None,
+        ssl: Union[SSLContext, bool, Fingerprint] = True,
+        verify_ssl: Optional[bool] = None,
+        fingerprint: Optional[bytes] = None,
+        ssl_context: Optional[SSLContext] = None,
+        server_hostname: Optional[str] = None,
+        proxy_headers: Optional[LooseHeaders] = None,
+        compress: int = 0,
+        max_msg_size: int = 4 * 1024 * 1024,
+    ) -> ClientWebSocketResponse:
+        if timeout is not sentinel:
+            if isinstance(timeout, ClientWSTimeout):
+                ws_timeout = timeout
+            else:
+                warnings.warn(
+                    "parameter 'timeout' of type 'float' "
+                    "is deprecated, please use "
+                    "'timeout=ClientWSTimeout(ws_close=...)'",
+                    DeprecationWarning,
+                    stacklevel=2,
+                )
+                ws_timeout = ClientWSTimeout(ws_close=timeout)
+        else:
+            ws_timeout = DEFAULT_WS_CLIENT_TIMEOUT
+        if receive_timeout is not None:
+            warnings.warn(
+                "float parameter 'receive_timeout' "
+                "is deprecated, please use parameter "
+                "'timeout=ClientWSTimeout(ws_receive=...)'",
+                DeprecationWarning,
+                stacklevel=2,
+            )
+            ws_timeout = attr.evolve(ws_timeout, ws_receive=receive_timeout)
+
+        if headers is None:
+            real_headers: CIMultiDict[str] = CIMultiDict()
+        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
+
+        # For the sake of backward compatibility, if user passes in None, convert it to True
+        if ssl is None:
+            warnings.warn(
+                "ssl=None is deprecated, please use ssl=True",
+                DeprecationWarning,
+                stacklevel=2,
+            )
+            ssl = True
+        ssl = _merge_ssl_params(ssl, verify_ssl, ssl_context, fingerprint)
+
+        # send request
+        resp = await self.request(
+            method,
+            url,
+            params=params,
+            headers=real_headers,
+            read_until_eof=False,
+            auth=auth,
+            proxy=proxy,
+            proxy_auth=proxy_auth,
+            ssl=ssl,
+            server_hostname=server_hostname,
+            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
+
+            # For WS connection the read_timeout must be either receive_timeout or greater
+            # None == no timeout, i.e. infinite timeout, so None is the max timeout possible
+            if ws_timeout.ws_receive is None:
+                # Reset regardless
+                conn_proto.read_timeout = None
+            elif conn_proto.read_timeout is not None:
+                conn_proto.read_timeout = max(
+                    ws_timeout.ws_receive, conn_proto.read_timeout
+                )
+
+            transport = conn.transport
+            assert transport is not None
+            reader = WebSocketDataQueue(conn_proto, 2**16, loop=self._loop)
+            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,
+                ws_timeout,
+                autoclose,
+                autoping,
+                self._loop,
+                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[str] = set()
+            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
+
+    if sys.version_info >= (3, 11) and TYPE_CHECKING:
+
+        def get(
+            self,
+            url: StrOrURL,
+            **kwargs: Unpack[_RequestOptions],
+        ) -> "_RequestContextManager": ...
+
+        def options(
+            self,
+            url: StrOrURL,
+            **kwargs: Unpack[_RequestOptions],
+        ) -> "_RequestContextManager": ...
+
+        def head(
+            self,
+            url: StrOrURL,
+            **kwargs: Unpack[_RequestOptions],
+        ) -> "_RequestContextManager": ...
+
+        def post(
+            self,
+            url: StrOrURL,
+            **kwargs: Unpack[_RequestOptions],
+        ) -> "_RequestContextManager": ...
+
+        def put(
+            self,
+            url: StrOrURL,
+            **kwargs: Unpack[_RequestOptions],
+        ) -> "_RequestContextManager": ...
+
+        def patch(
+            self,
+            url: StrOrURL,
+            **kwargs: Unpack[_RequestOptions],
+        ) -> "_RequestContextManager": ...
+
+        def delete(
+            self,
+            url: StrOrURL,
+            **kwargs: Unpack[_RequestOptions],
+        ) -> "_RequestContextManager": ...
+
+    else:
+
+        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) -> 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 proxies information from environment or netrc be trusted.
+
+        Information is 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: Coroutine["asyncio.Future[Any]", None, _RetType] = coro
+
+    def send(self, arg: None) -> "asyncio.Future[Any]":
+        return self._coro.send(arg)
+
+    def throw(self, *args: Any, **kwargs: Any) -> "asyncio.Future[Any]":
+        return self._coro.throw(*args, **kwargs)
+
+    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: _RetType = await self._coro
+        return await self._resp.__aenter__()
+
+    async def __aexit__(
+        self,
+        exc_type: Optional[Type[BaseException]],
+        exc: Optional[BaseException],
+        tb: Optional[TracebackType],
+    ) -> None:
+        await self._resp.__aexit__(exc_type, exc, tb)
+
+
+_RequestContextManager = _BaseRequestContextManager[ClientResponse]
+_WSRequestContextManager = _BaseRequestContextManager[ClientWebSocketResponse]
+
+
+class _SessionRequestContextManager:
+
+    __slots__ = ("_coro", "_resp", "_session")
+
+    def __init__(
+        self,
+        coro: Coroutine["asyncio.Future[Any]", None, ClientResponse],
+        session: ClientSession,
+    ) -> None:
+        self._coro = coro
+        self._resp: Optional[ClientResponse] = None
+        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()
+
+
+if sys.version_info >= (3, 11) and TYPE_CHECKING:
+
+    def request(
+        method: str,
+        url: StrOrURL,
+        *,
+        version: HttpVersion = http.HttpVersion11,
+        connector: Optional[BaseConnector] = None,
+        loop: Optional[asyncio.AbstractEventLoop] = None,
+        **kwargs: Unpack[_RequestOptions],
+    ) -> _SessionRequestContextManager: ...
+
+else:
+
+    def request(
+        method: str,
+        url: StrOrURL,
+        *,
+        version: HttpVersion = http.HttpVersion11,
+        connector: Optional[BaseConnector] = None,
+        loop: Optional[asyncio.AbstractEventLoop] = None,
+        **kwargs: Any,
+    ) -> _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
+        >>> async with aiohttp.request('GET', 'http://python.org/') as resp:
+        ...    print(resp)
+        ...    data = await resp.read()
+        <ClientResponse(https://www.python.org/) [200 OK]>
+        """
+        connector_owner = False
+        if connector is None:
+            connector_owner = True
+            connector = TCPConnector(loop=loop, force_close=True)
+
+        session = ClientSession(
+            loop=loop,
+            cookies=kwargs.pop("cookies", None),
+            version=version,
+            timeout=kwargs.pop("timeout", sentinel),
+            connector=connector,
+            connector_owner=connector_owner,
+        )
+
+        return _SessionRequestContextManager(
+            session._request(method, url, **kwargs),
+            session,
+        )