Add files using upload-large-folder tool

evalkit_cambrian/lib/python3.10/site-packages/aiohttp/.hash/_cparser.pxd.hash

@@ -0,0 +1 @@
+f2318883e549f69de597009a914603b0f1b10381e265ef5d98af499ad973fb98  /home/runner/work/aiohttp/aiohttp/aiohttp/_cparser.pxd

evalkit_cambrian/lib/python3.10/site-packages/aiohttp/.hash/_find_header.pxd.hash

@@ -0,0 +1 @@
+d067f01423cddb3c442933b5fcc039b18ab651fcec1bc91c577693aafc25cf78  /home/runner/work/aiohttp/aiohttp/aiohttp/_find_header.pxd

evalkit_cambrian/lib/python3.10/site-packages/aiohttp/.hash/_http_parser.pyx.hash

@@ -0,0 +1 @@
+c107400e3e4b8b3c02ffb9c51abf2722593a1a9a1a41e434df9f47d0730a1ae3  /home/runner/work/aiohttp/aiohttp/aiohttp/_http_parser.pyx

evalkit_cambrian/lib/python3.10/site-packages/aiohttp/.hash/_http_writer.pyx.hash

@@ -0,0 +1 @@
+7e209c93f1158118935fb56d028576025763b9eb093053debf84d677d171f23a  /home/runner/work/aiohttp/aiohttp/aiohttp/_http_writer.pyx

evalkit_cambrian/lib/python3.10/site-packages/aiohttp/.hash/hdrs.py.hash

@@ -0,0 +1 @@
+dab8f933203eeb245d60f856e542a45b888d5a110094620e4811f90f816628d1  /home/runner/work/aiohttp/aiohttp/aiohttp/hdrs.py

evalkit_cambrian/lib/python3.10/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)

evalkit_cambrian/lib/python3.10/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)

evalkit_cambrian/lib/python3.10/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)

evalkit_cambrian/lib/python3.10/site-packages/aiohttp/_websocket/.hash/mask.pxd.hash

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

evalkit_cambrian/lib/python3.10/site-packages/aiohttp/_websocket/.hash/mask.pyx.hash

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

evalkit_cambrian/lib/python3.10/site-packages/aiohttp/_websocket/.hash/reader_c.pxd.hash

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

evalkit_cambrian/lib/python3.10/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)

evalkit_cambrian/lib/python3.10/site-packages/aiohttp/_websocket/mask.pxd

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

evalkit_cambrian/lib/python3.10/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]

evalkit_cambrian/lib/python3.10/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

evalkit_cambrian/lib/python3.10/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)

evalkit_cambrian/lib/python3.10/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

evalkit_cambrian/lib/python3.10/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

evalkit_cambrian/lib/python3.10/site-packages/aiohttp/client_exceptions.py

@@ -0,0 +1,421 @@
+"""HTTP related errors."""
+
+import asyncio
+import warnings
+from typing import TYPE_CHECKING, Optional, Tuple, Union
+
+from multidict import MultiMapping
+
+from .typedefs import StrOrURL
+
+if TYPE_CHECKING:
+    import ssl
+
+    SSLContext = ssl.SSLContext
+else:
+    try:
+        import ssl
+
+        SSLContext = ssl.SSLContext
+    except ImportError:  # pragma: no cover
+        ssl = SSLContext = None  # type: ignore[assignment]
+
+if TYPE_CHECKING:
+    from .client_reqrep import ClientResponse, ConnectionKey, Fingerprint, RequestInfo
+    from .http_parser import RawResponseMessage
+else:
+    RequestInfo = ClientResponse = ConnectionKey = RawResponseMessage = None
+
+__all__ = (
+    "ClientError",
+    "ClientConnectionError",
+    "ClientConnectionResetError",
+    "ClientOSError",
+    "ClientConnectorError",
+    "ClientProxyConnectionError",
+    "ClientSSLError",
+    "ClientConnectorDNSError",
+    "ClientConnectorSSLError",
+    "ClientConnectorCertificateError",
+    "ConnectionTimeoutError",
+    "SocketTimeoutError",
+    "ServerConnectionError",
+    "ServerTimeoutError",
+    "ServerDisconnectedError",
+    "ServerFingerprintMismatch",
+    "ClientResponseError",
+    "ClientHttpProxyError",
+    "WSServerHandshakeError",
+    "ContentTypeError",
+    "ClientPayloadError",
+    "InvalidURL",
+    "InvalidUrlClientError",
+    "RedirectClientError",
+    "NonHttpUrlClientError",
+    "InvalidUrlRedirectClientError",
+    "NonHttpUrlRedirectClientError",
+    "WSMessageTypeError",
+)
+
+
+class ClientError(Exception):
+    """Base class for client connection errors."""
+
+
+class ClientResponseError(ClientError):
+    """Base class for exceptions that occur after getting a response.
+
+    request_info: An instance of RequestInfo.
+    history: A sequence of responses, if redirects occurred.
+    status: HTTP status code.
+    message: Error message.
+    headers: Response headers.
+    """
+
+    def __init__(
+        self,
+        request_info: RequestInfo,
+        history: Tuple[ClientResponse, ...],
+        *,
+        code: Optional[int] = None,
+        status: Optional[int] = None,
+        message: str = "",
+        headers: Optional[MultiMapping[str]] = None,
+    ) -> None:
+        self.request_info = request_info
+        if code is not None:
+            if status is not None:
+                raise ValueError(
+                    "Both code and status arguments are provided; "
+                    "code is deprecated, use status instead"
+                )
+            warnings.warn(
+                "code argument is deprecated, use status instead",
+                DeprecationWarning,
+                stacklevel=2,
+            )
+        if status is not None:
+            self.status = status
+        elif code is not None:
+            self.status = code
+        else:
+            self.status = 0
+        self.message = message
+        self.headers = headers
+        self.history = history
+        self.args = (request_info, history)
+
+    def __str__(self) -> str:
+        return "{}, message={!r}, url={!r}".format(
+            self.status,
+            self.message,
+            str(self.request_info.real_url),
+        )
+
+    def __repr__(self) -> str:
+        args = f"{self.request_info!r}, {self.history!r}"
+        if self.status != 0:
+            args += f", status={self.status!r}"
+        if self.message != "":
+            args += f", message={self.message!r}"
+        if self.headers is not None:
+            args += f", headers={self.headers!r}"
+        return f"{type(self).__name__}({args})"
+
+    @property
+    def code(self) -> int:
+        warnings.warn(
+            "code property is deprecated, use status instead",
+            DeprecationWarning,
+            stacklevel=2,
+        )
+        return self.status
+
+    @code.setter
+    def code(self, value: int) -> None:
+        warnings.warn(
+            "code property is deprecated, use status instead",
+            DeprecationWarning,
+            stacklevel=2,
+        )
+        self.status = value
+
+
+class ContentTypeError(ClientResponseError):
+    """ContentType found is not valid."""
+
+
+class WSServerHandshakeError(ClientResponseError):
+    """websocket server handshake error."""
+
+
+class ClientHttpProxyError(ClientResponseError):
+    """HTTP proxy error.
+
+    Raised in :class:`aiohttp.connector.TCPConnector` if
+    proxy responds with status other than ``200 OK``
+    on ``CONNECT`` request.
+    """
+
+
+class TooManyRedirects(ClientResponseError):
+    """Client was redirected too many times."""
+
+
+class ClientConnectionError(ClientError):
+    """Base class for client socket errors."""
+
+
+class ClientConnectionResetError(ClientConnectionError, ConnectionResetError):
+    """ConnectionResetError"""
+
+
+class ClientOSError(ClientConnectionError, OSError):
+    """OSError error."""
+
+
+class ClientConnectorError(ClientOSError):
+    """Client connector error.
+
+    Raised in :class:`aiohttp.connector.TCPConnector` if
+        a connection can not be established.
+    """
+
+    def __init__(self, connection_key: ConnectionKey, os_error: OSError) -> None:
+        self._conn_key = connection_key
+        self._os_error = os_error
+        super().__init__(os_error.errno, os_error.strerror)
+        self.args = (connection_key, os_error)
+
+    @property
+    def os_error(self) -> OSError:
+        return self._os_error
+
+    @property
+    def host(self) -> str:
+        return self._conn_key.host
+
+    @property
+    def port(self) -> Optional[int]:
+        return self._conn_key.port
+
+    @property
+    def ssl(self) -> Union[SSLContext, bool, "Fingerprint"]:
+        return self._conn_key.ssl
+
+    def __str__(self) -> str:
+        return "Cannot connect to host {0.host}:{0.port} ssl:{1} [{2}]".format(
+            self, "default" if self.ssl is True else self.ssl, self.strerror
+        )
+
+    # OSError.__reduce__ does too much black magick
+    __reduce__ = BaseException.__reduce__
+
+
+class ClientConnectorDNSError(ClientConnectorError):
+    """DNS resolution failed during client connection.
+
+    Raised in :class:`aiohttp.connector.TCPConnector` if
+        DNS resolution fails.
+    """
+
+
+class ClientProxyConnectionError(ClientConnectorError):
+    """Proxy connection error.
+
+    Raised in :class:`aiohttp.connector.TCPConnector` if
+        connection to proxy can not be established.
+    """
+
+
+class UnixClientConnectorError(ClientConnectorError):
+    """Unix connector error.
+
+    Raised in :py:class:`aiohttp.connector.UnixConnector`
+    if connection to unix socket can not be established.
+    """
+
+    def __init__(
+        self, path: str, connection_key: ConnectionKey, os_error: OSError
+    ) -> None:
+        self._path = path
+        super().__init__(connection_key, os_error)
+
+    @property
+    def path(self) -> str:
+        return self._path
+
+    def __str__(self) -> str:
+        return "Cannot connect to unix socket {0.path} ssl:{1} [{2}]".format(
+            self, "default" if self.ssl is True else self.ssl, self.strerror
+        )
+
+
+class ServerConnectionError(ClientConnectionError):
+    """Server connection errors."""
+
+
+class ServerDisconnectedError(ServerConnectionError):
+    """Server disconnected."""
+
+    def __init__(self, message: Union[RawResponseMessage, str, None] = None) -> None:
+        if message is None:
+            message = "Server disconnected"
+
+        self.args = (message,)
+        self.message = message
+
+
+class ServerTimeoutError(ServerConnectionError, asyncio.TimeoutError):
+    """Server timeout error."""
+
+
+class ConnectionTimeoutError(ServerTimeoutError):
+    """Connection timeout error."""
+
+
+class SocketTimeoutError(ServerTimeoutError):
+    """Socket timeout error."""
+
+
+class ServerFingerprintMismatch(ServerConnectionError):
+    """SSL certificate does not match expected fingerprint."""
+
+    def __init__(self, expected: bytes, got: bytes, host: str, port: int) -> None:
+        self.expected = expected
+        self.got = got
+        self.host = host
+        self.port = port
+        self.args = (expected, got, host, port)
+
+    def __repr__(self) -> str:
+        return "<{} expected={!r} got={!r} host={!r} port={!r}>".format(
+            self.__class__.__name__, self.expected, self.got, self.host, self.port
+        )
+
+
+class ClientPayloadError(ClientError):
+    """Response payload error."""
+
+
+class InvalidURL(ClientError, ValueError):
+    """Invalid URL.
+
+    URL used for fetching is malformed, e.g. it doesn't contains host
+    part.
+    """
+
+    # Derive from ValueError for backward compatibility
+
+    def __init__(self, url: StrOrURL, description: Union[str, None] = None) -> None:
+        # The type of url is not yarl.URL because the exception can be raised
+        # on URL(url) call
+        self._url = url
+        self._description = description
+
+        if description:
+            super().__init__(url, description)
+        else:
+            super().__init__(url)
+
+    @property
+    def url(self) -> StrOrURL:
+        return self._url
+
+    @property
+    def description(self) -> "str | None":
+        return self._description
+
+    def __repr__(self) -> str:
+        return f"<{self.__class__.__name__} {self}>"
+
+    def __str__(self) -> str:
+        if self._description:
+            return f"{self._url} - {self._description}"
+        return str(self._url)
+
+
+class InvalidUrlClientError(InvalidURL):
+    """Invalid URL client error."""
+
+
+class RedirectClientError(ClientError):
+    """Client redirect error."""
+
+
+class NonHttpUrlClientError(ClientError):
+    """Non http URL client error."""
+
+
+class InvalidUrlRedirectClientError(InvalidUrlClientError, RedirectClientError):
+    """Invalid URL redirect client error."""
+
+
+class NonHttpUrlRedirectClientError(NonHttpUrlClientError, RedirectClientError):
+    """Non http URL redirect client error."""
+
+
+class ClientSSLError(ClientConnectorError):
+    """Base error for ssl.*Errors."""
+
+
+if ssl is not None:
+    cert_errors = (ssl.CertificateError,)
+    cert_errors_bases = (
+        ClientSSLError,
+        ssl.CertificateError,
+    )
+
+    ssl_errors = (ssl.SSLError,)
+    ssl_error_bases = (ClientSSLError, ssl.SSLError)
+else:  # pragma: no cover
+    cert_errors = tuple()
+    cert_errors_bases = (
+        ClientSSLError,
+        ValueError,
+    )
+
+    ssl_errors = tuple()
+    ssl_error_bases = (ClientSSLError,)
+
+
+class ClientConnectorSSLError(*ssl_error_bases):  # type: ignore[misc]
+    """Response ssl error."""
+
+
+class ClientConnectorCertificateError(*cert_errors_bases):  # type: ignore[misc]
+    """Response certificate error."""
+
+    def __init__(
+        self, connection_key: ConnectionKey, certificate_error: Exception
+    ) -> None:
+        self._conn_key = connection_key
+        self._certificate_error = certificate_error
+        self.args = (connection_key, certificate_error)
+
+    @property
+    def certificate_error(self) -> Exception:
+        return self._certificate_error
+
+    @property
+    def host(self) -> str:
+        return self._conn_key.host
+
+    @property
+    def port(self) -> Optional[int]:
+        return self._conn_key.port
+
+    @property
+    def ssl(self) -> bool:
+        return self._conn_key.is_ssl
+
+    def __str__(self) -> str:
+        return (
+            "Cannot connect to host {0.host}:{0.port} ssl:{0.ssl} "
+            "[{0.certificate_error.__class__.__name__}: "
+            "{0.certificate_error.args}]".format(self)
+        )
+
+
+class WSMessageTypeError(TypeError):
+    """WebSocket message type is not valid."""

evalkit_cambrian/lib/python3.10/site-packages/aiohttp/client_reqrep.py

@@ -0,0 +1,1315 @@
+import asyncio
+import codecs
+import contextlib
+import functools
+import io
+import re
+import sys
+import traceback
+import warnings
+from hashlib import md5, sha1, sha256
+from http.cookies import CookieError, Morsel, SimpleCookie
+from types import MappingProxyType, TracebackType
+from typing import (
+    TYPE_CHECKING,
+    Any,
+    Callable,
+    Dict,
+    Iterable,
+    List,
+    Mapping,
+    NamedTuple,
+    Optional,
+    Tuple,
+    Type,
+    Union,
+)
+
+import attr
+from multidict import CIMultiDict, CIMultiDictProxy, MultiDict, MultiDictProxy
+from yarl import URL
+
+from . import hdrs, helpers, http, multipart, payload
+from .abc import AbstractStreamWriter
+from .client_exceptions import (
+    ClientConnectionError,
+    ClientOSError,
+    ClientResponseError,
+    ContentTypeError,
+    InvalidURL,
+    ServerFingerprintMismatch,
+)
+from .compression_utils import HAS_BROTLI
+from .formdata import FormData
+from .helpers import (
+    _SENTINEL,
+    BaseTimerContext,
+    BasicAuth,
+    HeadersMixin,
+    TimerNoop,
+    basicauth_from_netrc,
+    netrc_from_env,
+    noop,
+    reify,
+    set_exception,
+    set_result,
+)
+from .http import (
+    SERVER_SOFTWARE,
+    HttpVersion,
+    HttpVersion10,
+    HttpVersion11,
+    StreamWriter,
+)
+from .log import client_logger
+from .streams import StreamReader
+from .typedefs import (
+    DEFAULT_JSON_DECODER,
+    JSONDecoder,
+    LooseCookies,
+    LooseHeaders,
+    Query,
+    RawHeaders,
+)
+
+if TYPE_CHECKING:
+    import ssl
+    from ssl import SSLContext
+else:
+    try:
+        import ssl
+        from ssl import SSLContext
+    except ImportError:  # pragma: no cover
+        ssl = None  # type: ignore[assignment]
+        SSLContext = object  # type: ignore[misc,assignment]
+
+
+__all__ = ("ClientRequest", "ClientResponse", "RequestInfo", "Fingerprint")
+
+
+if TYPE_CHECKING:
+    from .client import ClientSession
+    from .connector import Connection
+    from .tracing import Trace
+
+
+_CONTAINS_CONTROL_CHAR_RE = re.compile(r"[^-!#$%&'*+.^_`|~0-9a-zA-Z]")
+json_re = re.compile(r"^application/(?:[\w.+-]+?\+)?json")
+
+
+def _gen_default_accept_encoding() -> str:
+    return "gzip, deflate, br" if HAS_BROTLI else "gzip, deflate"
+
+
+@attr.s(auto_attribs=True, frozen=True, slots=True)
+class ContentDisposition:
+    type: Optional[str]
+    parameters: "MappingProxyType[str, str]"
+    filename: Optional[str]
+
+
+class _RequestInfo(NamedTuple):
+    url: URL
+    method: str
+    headers: "CIMultiDictProxy[str]"
+    real_url: URL
+
+
+class RequestInfo(_RequestInfo):
+
+    def __new__(
+        cls,
+        url: URL,
+        method: str,
+        headers: "CIMultiDictProxy[str]",
+        real_url: URL = _SENTINEL,  # type: ignore[assignment]
+    ) -> "RequestInfo":
+        """Create a new RequestInfo instance.
+
+        For backwards compatibility, the real_url parameter is optional.
+        """
+        return tuple.__new__(
+            cls, (url, method, headers, url if real_url is _SENTINEL else real_url)
+        )
+
+
+class Fingerprint:
+    HASHFUNC_BY_DIGESTLEN = {
+        16: md5,
+        20: sha1,
+        32: sha256,
+    }
+
+    def __init__(self, fingerprint: bytes) -> None:
+        digestlen = len(fingerprint)
+        hashfunc = self.HASHFUNC_BY_DIGESTLEN.get(digestlen)
+        if not hashfunc:
+            raise ValueError("fingerprint has invalid length")
+        elif hashfunc is md5 or hashfunc is sha1:
+            raise ValueError("md5 and sha1 are insecure and not supported. Use sha256.")
+        self._hashfunc = hashfunc
+        self._fingerprint = fingerprint
+
+    @property
+    def fingerprint(self) -> bytes:
+        return self._fingerprint
+
+    def check(self, transport: asyncio.Transport) -> None:
+        if not transport.get_extra_info("sslcontext"):
+            return
+        sslobj = transport.get_extra_info("ssl_object")
+        cert = sslobj.getpeercert(binary_form=True)
+        got = self._hashfunc(cert).digest()
+        if got != self._fingerprint:
+            host, port, *_ = transport.get_extra_info("peername")
+            raise ServerFingerprintMismatch(self._fingerprint, got, host, port)
+
+
+if ssl is not None:
+    SSL_ALLOWED_TYPES = (ssl.SSLContext, bool, Fingerprint, type(None))
+else:  # pragma: no cover
+    SSL_ALLOWED_TYPES = (bool, type(None))
+
+
+def _merge_ssl_params(
+    ssl: Union["SSLContext", bool, Fingerprint],
+    verify_ssl: Optional[bool],
+    ssl_context: Optional["SSLContext"],
+    fingerprint: Optional[bytes],
+) -> Union["SSLContext", bool, Fingerprint]:
+    if ssl is None:
+        ssl = True  # Double check for backwards compatibility
+    if verify_ssl is not None and not verify_ssl:
+        warnings.warn(
+            "verify_ssl is deprecated, use ssl=False instead",
+            DeprecationWarning,
+            stacklevel=3,
+        )
+        if ssl is not True:
+            raise ValueError(
+                "verify_ssl, ssl_context, fingerprint and ssl "
+                "parameters are mutually exclusive"
+            )
+        else:
+            ssl = False
+    if ssl_context is not None:
+        warnings.warn(
+            "ssl_context is deprecated, use ssl=context instead",
+            DeprecationWarning,
+            stacklevel=3,
+        )
+        if ssl is not True:
+            raise ValueError(
+                "verify_ssl, ssl_context, fingerprint and ssl "
+                "parameters are mutually exclusive"
+            )
+        else:
+            ssl = ssl_context
+    if fingerprint is not None:
+        warnings.warn(
+            "fingerprint is deprecated, use ssl=Fingerprint(fingerprint) instead",
+            DeprecationWarning,
+            stacklevel=3,
+        )
+        if ssl is not True:
+            raise ValueError(
+                "verify_ssl, ssl_context, fingerprint and ssl "
+                "parameters are mutually exclusive"
+            )
+        else:
+            ssl = Fingerprint(fingerprint)
+    if not isinstance(ssl, SSL_ALLOWED_TYPES):
+        raise TypeError(
+            "ssl should be SSLContext, bool, Fingerprint or None, "
+            "got {!r} instead.".format(ssl)
+        )
+    return ssl
+
+
+_SSL_SCHEMES = frozenset(("https", "wss"))
+
+
+# ConnectionKey is a NamedTuple because it is used as a key in a dict
+# and a set in the connector. Since a NamedTuple is a tuple it uses
+# the fast native tuple __hash__ and __eq__ implementation in CPython.
+class ConnectionKey(NamedTuple):
+    # the key should contain an information about used proxy / TLS
+    # to prevent reusing wrong connections from a pool
+    host: str
+    port: Optional[int]
+    is_ssl: bool
+    ssl: Union[SSLContext, bool, Fingerprint]
+    proxy: Optional[URL]
+    proxy_auth: Optional[BasicAuth]
+    proxy_headers_hash: Optional[int]  # hash(CIMultiDict)
+
+
+def _is_expected_content_type(
+    response_content_type: str, expected_content_type: str
+) -> bool:
+    if expected_content_type == "application/json":
+        return json_re.match(response_content_type) is not None
+    return expected_content_type in response_content_type
+
+
+class ClientRequest:
+    GET_METHODS = {
+        hdrs.METH_GET,
+        hdrs.METH_HEAD,
+        hdrs.METH_OPTIONS,
+        hdrs.METH_TRACE,
+    }
+    POST_METHODS = {hdrs.METH_PATCH, hdrs.METH_POST, hdrs.METH_PUT}
+    ALL_METHODS = GET_METHODS.union(POST_METHODS).union({hdrs.METH_DELETE})
+
+    DEFAULT_HEADERS = {
+        hdrs.ACCEPT: "*/*",
+        hdrs.ACCEPT_ENCODING: _gen_default_accept_encoding(),
+    }
+
+    # Type of body depends on PAYLOAD_REGISTRY, which is dynamic.
+    body: Any = b""
+    auth = None
+    response = None
+
+    __writer = None  # async task for streaming data
+    _continue = None  # waiter future for '100 Continue' response
+
+    _skip_auto_headers: Optional["CIMultiDict[None]"] = None
+
+    # N.B.
+    # Adding __del__ method with self._writer closing doesn't make sense
+    # because _writer is instance method, thus it keeps a reference to self.
+    # Until writer has finished finalizer will not be called.
+
+    def __init__(
+        self,
+        method: str,
+        url: URL,
+        *,
+        params: Query = None,
+        headers: Optional[LooseHeaders] = None,
+        skip_auto_headers: Optional[Iterable[str]] = None,
+        data: Any = None,
+        cookies: Optional[LooseCookies] = None,
+        auth: Optional[BasicAuth] = None,
+        version: http.HttpVersion = http.HttpVersion11,
+        compress: Union[str, bool, None] = None,
+        chunked: Optional[bool] = None,
+        expect100: bool = False,
+        loop: Optional[asyncio.AbstractEventLoop] = None,
+        response_class: Optional[Type["ClientResponse"]] = None,
+        proxy: Optional[URL] = None,
+        proxy_auth: Optional[BasicAuth] = None,
+        timer: Optional[BaseTimerContext] = None,
+        session: Optional["ClientSession"] = None,
+        ssl: Union[SSLContext, bool, Fingerprint] = True,
+        proxy_headers: Optional[LooseHeaders] = None,
+        traces: Optional[List["Trace"]] = None,
+        trust_env: bool = False,
+        server_hostname: Optional[str] = None,
+    ):
+        if loop is None:
+            loop = asyncio.get_event_loop()
+        if match := _CONTAINS_CONTROL_CHAR_RE.search(method):
+            raise ValueError(
+                f"Method cannot contain non-token characters {method!r} "
+                f"(found at least {match.group()!r})"
+            )
+        # URL forbids subclasses, so a simple type check is enough.
+        assert type(url) is URL, url
+        if proxy is not None:
+            assert type(proxy) is URL, proxy
+        # FIXME: session is None in tests only, need to fix tests
+        # assert session is not None
+        if TYPE_CHECKING:
+            assert session is not None
+        self._session = session
+        if params:
+            url = url.extend_query(params)
+        self.original_url = url
+        self.url = url.with_fragment(None) if url.raw_fragment else url
+        self.method = method.upper()
+        self.chunked = chunked
+        self.compress = compress
+        self.loop = loop
+        self.length = None
+        if response_class is None:
+            real_response_class = ClientResponse
+        else:
+            real_response_class = response_class
+        self.response_class: Type[ClientResponse] = real_response_class
+        self._timer = timer if timer is not None else TimerNoop()
+        self._ssl = ssl if ssl is not None else True
+        self.server_hostname = server_hostname
+
+        if loop.get_debug():
+            self._source_traceback = traceback.extract_stack(sys._getframe(1))
+
+        self.update_version(version)
+        self.update_host(url)
+        self.update_headers(headers)
+        self.update_auto_headers(skip_auto_headers)
+        self.update_cookies(cookies)
+        self.update_content_encoding(data)
+        self.update_auth(auth, trust_env)
+        self.update_proxy(proxy, proxy_auth, proxy_headers)
+
+        self.update_body_from_data(data)
+        if data is not None or self.method not in self.GET_METHODS:
+            self.update_transfer_encoding()
+        self.update_expect_continue(expect100)
+        self._traces = [] if traces is None else traces
+
+    def __reset_writer(self, _: object = None) -> None:
+        self.__writer = None
+
+    @property
+    def skip_auto_headers(self) -> CIMultiDict[None]:
+        return self._skip_auto_headers or CIMultiDict()
+
+    @property
+    def _writer(self) -> Optional["asyncio.Task[None]"]:
+        return self.__writer
+
+    @_writer.setter
+    def _writer(self, writer: "asyncio.Task[None]") -> None:
+        if self.__writer is not None:
+            self.__writer.remove_done_callback(self.__reset_writer)
+        self.__writer = writer
+        writer.add_done_callback(self.__reset_writer)
+
+    def is_ssl(self) -> bool:
+        return self.url.scheme in _SSL_SCHEMES
+
+    @property
+    def ssl(self) -> Union["SSLContext", bool, Fingerprint]:
+        return self._ssl
+
+    @property
+    def connection_key(self) -> ConnectionKey:
+        if proxy_headers := self.proxy_headers:
+            h: Optional[int] = hash(tuple(proxy_headers.items()))
+        else:
+            h = None
+        url = self.url
+        return tuple.__new__(
+            ConnectionKey,
+            (
+                url.raw_host or "",
+                url.port,
+                url.scheme in _SSL_SCHEMES,
+                self._ssl,
+                self.proxy,
+                self.proxy_auth,
+                h,
+            ),
+        )
+
+    @property
+    def host(self) -> str:
+        ret = self.url.raw_host
+        assert ret is not None
+        return ret
+
+    @property
+    def port(self) -> Optional[int]:
+        return self.url.port
+
+    @property
+    def request_info(self) -> RequestInfo:
+        headers: CIMultiDictProxy[str] = CIMultiDictProxy(self.headers)
+        # These are created on every request, so we use a NamedTuple
+        # for performance reasons. We don't use the RequestInfo.__new__
+        # method because it has a different signature which is provided
+        # for backwards compatibility only.
+        return tuple.__new__(
+            RequestInfo, (self.url, self.method, headers, self.original_url)
+        )
+
+    def update_host(self, url: URL) -> None:
+        """Update destination host, port and connection type (ssl)."""
+        # get host/port
+        if not url.raw_host:
+            raise InvalidURL(url)
+
+        # basic auth info
+        if url.raw_user or url.raw_password:
+            self.auth = helpers.BasicAuth(url.user or "", url.password or "")
+
+    def update_version(self, version: Union[http.HttpVersion, str]) -> None:
+        """Convert request version to two elements tuple.
+
+        parser HTTP version '1.1' => (1, 1)
+        """
+        if isinstance(version, str):
+            v = [part.strip() for part in version.split(".", 1)]
+            try:
+                version = http.HttpVersion(int(v[0]), int(v[1]))
+            except ValueError:
+                raise ValueError(
+                    f"Can not parse http version number: {version}"
+                ) from None
+        self.version = version
+
+    def update_headers(self, headers: Optional[LooseHeaders]) -> None:
+        """Update request headers."""
+        self.headers: CIMultiDict[str] = CIMultiDict()
+
+        # Build the host header
+        host = self.url.host_port_subcomponent
+
+        # host_port_subcomponent is None when the URL is a relative URL.
+        # but we know we do not have a relative URL here.
+        assert host is not None
+        self.headers[hdrs.HOST] = host
+
+        if not headers:
+            return
+
+        if isinstance(headers, (dict, MultiDictProxy, MultiDict)):
+            headers = headers.items()
+
+        for key, value in headers:  # type: ignore[misc]
+            # A special case for Host header
+            if key in hdrs.HOST_ALL:
+                self.headers[key] = value
+            else:
+                self.headers.add(key, value)
+
+    def update_auto_headers(self, skip_auto_headers: Optional[Iterable[str]]) -> None:
+        if skip_auto_headers is not None:
+            self._skip_auto_headers = CIMultiDict(
+                (hdr, None) for hdr in sorted(skip_auto_headers)
+            )
+            used_headers = self.headers.copy()
+            used_headers.extend(self._skip_auto_headers)  # type: ignore[arg-type]
+        else:
+            # Fast path when there are no headers to skip
+            # which is the most common case.
+            used_headers = self.headers
+
+        for hdr, val in self.DEFAULT_HEADERS.items():
+            if hdr not in used_headers:
+                self.headers[hdr] = val
+
+        if hdrs.USER_AGENT not in used_headers:
+            self.headers[hdrs.USER_AGENT] = SERVER_SOFTWARE
+
+    def update_cookies(self, cookies: Optional[LooseCookies]) -> None:
+        """Update request cookies header."""
+        if not cookies:
+            return
+
+        c = SimpleCookie()
+        if hdrs.COOKIE in self.headers:
+            c.load(self.headers.get(hdrs.COOKIE, ""))
+            del self.headers[hdrs.COOKIE]
+
+        if isinstance(cookies, Mapping):
+            iter_cookies = cookies.items()
+        else:
+            iter_cookies = cookies  # type: ignore[assignment]
+        for name, value in iter_cookies:
+            if isinstance(value, Morsel):
+                # Preserve coded_value
+                mrsl_val = value.get(value.key, Morsel())
+                mrsl_val.set(value.key, value.value, value.coded_value)
+                c[name] = mrsl_val
+            else:
+                c[name] = value  # type: ignore[assignment]
+
+        self.headers[hdrs.COOKIE] = c.output(header="", sep=";").strip()
+
+    def update_content_encoding(self, data: Any) -> None:
+        """Set request content encoding."""
+        if not data:
+            # Don't compress an empty body.
+            self.compress = None
+            return
+
+        if self.headers.get(hdrs.CONTENT_ENCODING):
+            if self.compress:
+                raise ValueError(
+                    "compress can not be set if Content-Encoding header is set"
+                )
+        elif self.compress:
+            if not isinstance(self.compress, str):
+                self.compress = "deflate"
+            self.headers[hdrs.CONTENT_ENCODING] = self.compress
+            self.chunked = True  # enable chunked, no need to deal with length
+
+    def update_transfer_encoding(self) -> None:
+        """Analyze transfer-encoding header."""
+        te = self.headers.get(hdrs.TRANSFER_ENCODING, "").lower()
+
+        if "chunked" in te:
+            if self.chunked:
+                raise ValueError(
+                    "chunked can not be set "
+                    'if "Transfer-Encoding: chunked" header is set'
+                )
+
+        elif self.chunked:
+            if hdrs.CONTENT_LENGTH in self.headers:
+                raise ValueError(
+                    "chunked can not be set if Content-Length header is set"
+                )
+
+            self.headers[hdrs.TRANSFER_ENCODING] = "chunked"
+        else:
+            if hdrs.CONTENT_LENGTH not in self.headers:
+                self.headers[hdrs.CONTENT_LENGTH] = str(len(self.body))
+
+    def update_auth(self, auth: Optional[BasicAuth], trust_env: bool = False) -> None:
+        """Set basic auth."""
+        if auth is None:
+            auth = self.auth
+        if auth is None and trust_env and self.url.host is not None:
+            netrc_obj = netrc_from_env()
+            with contextlib.suppress(LookupError):
+                auth = basicauth_from_netrc(netrc_obj, self.url.host)
+        if auth is None:
+            return
+
+        if not isinstance(auth, helpers.BasicAuth):
+            raise TypeError("BasicAuth() tuple is required instead")
+
+        self.headers[hdrs.AUTHORIZATION] = auth.encode()
+
+    def update_body_from_data(self, body: Any) -> None:
+        if body is None:
+            return
+
+        # FormData
+        if isinstance(body, FormData):
+            body = body()
+
+        try:
+            body = payload.PAYLOAD_REGISTRY.get(body, disposition=None)
+        except payload.LookupError:
+            body = FormData(body)()
+
+        self.body = body
+
+        # enable chunked encoding if needed
+        if not self.chunked and hdrs.CONTENT_LENGTH not in self.headers:
+            if (size := body.size) is not None:
+                self.headers[hdrs.CONTENT_LENGTH] = str(size)
+            else:
+                self.chunked = True
+
+        # copy payload headers
+        assert body.headers
+        headers = self.headers
+        skip_headers = self._skip_auto_headers
+        for key, value in body.headers.items():
+            if key in headers or (skip_headers is not None and key in skip_headers):
+                continue
+            headers[key] = value
+
+    def update_expect_continue(self, expect: bool = False) -> None:
+        if expect:
+            self.headers[hdrs.EXPECT] = "100-continue"
+        elif (
+            hdrs.EXPECT in self.headers
+            and self.headers[hdrs.EXPECT].lower() == "100-continue"
+        ):
+            expect = True
+
+        if expect:
+            self._continue = self.loop.create_future()
+
+    def update_proxy(
+        self,
+        proxy: Optional[URL],
+        proxy_auth: Optional[BasicAuth],
+        proxy_headers: Optional[LooseHeaders],
+    ) -> None:
+        self.proxy = proxy
+        if proxy is None:
+            self.proxy_auth = None
+            self.proxy_headers = None
+            return
+
+        if proxy_auth and not isinstance(proxy_auth, helpers.BasicAuth):
+            raise ValueError("proxy_auth must be None or BasicAuth() tuple")
+        self.proxy_auth = proxy_auth
+
+        if proxy_headers is not None and not isinstance(
+            proxy_headers, (MultiDict, MultiDictProxy)
+        ):
+            proxy_headers = CIMultiDict(proxy_headers)
+        self.proxy_headers = proxy_headers
+
+    async def write_bytes(
+        self, writer: AbstractStreamWriter, conn: "Connection"
+    ) -> None:
+        """Support coroutines that yields bytes objects."""
+        # 100 response
+        if self._continue is not None:
+            await writer.drain()
+            await self._continue
+
+        protocol = conn.protocol
+        assert protocol is not None
+        try:
+            if isinstance(self.body, payload.Payload):
+                await self.body.write(writer)
+            else:
+                if isinstance(self.body, (bytes, bytearray)):
+                    self.body = (self.body,)
+
+                for chunk in self.body:
+                    await writer.write(chunk)
+        except OSError as underlying_exc:
+            reraised_exc = underlying_exc
+
+            exc_is_not_timeout = underlying_exc.errno is not None or not isinstance(
+                underlying_exc, asyncio.TimeoutError
+            )
+            if exc_is_not_timeout:
+                reraised_exc = ClientOSError(
+                    underlying_exc.errno,
+                    f"Can not write request body for {self.url !s}",
+                )
+
+            set_exception(protocol, reraised_exc, underlying_exc)
+        except asyncio.CancelledError:
+            # Body hasn't been fully sent, so connection can't be reused.
+            conn.close()
+            raise
+        except Exception as underlying_exc:
+            set_exception(
+                protocol,
+                ClientConnectionError(
+                    f"Failed to send bytes into the underlying connection {conn !s}",
+                ),
+                underlying_exc,
+            )
+        else:
+            await writer.write_eof()
+            protocol.start_timeout()
+
+    async def send(self, conn: "Connection") -> "ClientResponse":
+        # Specify request target:
+        # - CONNECT request must send authority form URI
+        # - not CONNECT proxy must send absolute form URI
+        # - most common is origin form URI
+        if self.method == hdrs.METH_CONNECT:
+            connect_host = self.url.host_subcomponent
+            assert connect_host is not None
+            path = f"{connect_host}:{self.url.port}"
+        elif self.proxy and not self.is_ssl():
+            path = str(self.url)
+        else:
+            path = self.url.raw_path_qs
+
+        protocol = conn.protocol
+        assert protocol is not None
+        writer = StreamWriter(
+            protocol,
+            self.loop,
+            on_chunk_sent=(
+                functools.partial(self._on_chunk_request_sent, self.method, self.url)
+                if self._traces
+                else None
+            ),
+            on_headers_sent=(
+                functools.partial(self._on_headers_request_sent, self.method, self.url)
+                if self._traces
+                else None
+            ),
+        )
+
+        if self.compress:
+            writer.enable_compression(self.compress)  # type: ignore[arg-type]
+
+        if self.chunked is not None:
+            writer.enable_chunking()
+
+        # set default content-type
+        if (
+            self.method in self.POST_METHODS
+            and (
+                self._skip_auto_headers is None
+                or hdrs.CONTENT_TYPE not in self._skip_auto_headers
+            )
+            and hdrs.CONTENT_TYPE not in self.headers
+        ):
+            self.headers[hdrs.CONTENT_TYPE] = "application/octet-stream"
+
+        v = self.version
+        if hdrs.CONNECTION not in self.headers:
+            if conn._connector.force_close:
+                if v == HttpVersion11:
+                    self.headers[hdrs.CONNECTION] = "close"
+            elif v == HttpVersion10:
+                self.headers[hdrs.CONNECTION] = "keep-alive"
+
+        # status + headers
+        status_line = f"{self.method} {path} HTTP/{v.major}.{v.minor}"
+        await writer.write_headers(status_line, self.headers)
+        task: Optional["asyncio.Task[None]"]
+        if self.body or self._continue is not None or protocol.writing_paused:
+            coro = self.write_bytes(writer, conn)
+            if sys.version_info >= (3, 12):
+                # Optimization for Python 3.12, try to write
+                # bytes immediately to avoid having to schedule
+                # the task on the event loop.
+                task = asyncio.Task(coro, loop=self.loop, eager_start=True)
+            else:
+                task = self.loop.create_task(coro)
+            if task.done():
+                task = None
+            else:
+                self._writer = task
+        else:
+            # We have nothing to write because
+            # - there is no body
+            # - the protocol does not have writing paused
+            # - we are not waiting for a 100-continue response
+            protocol.start_timeout()
+            writer.set_eof()
+            task = None
+        response_class = self.response_class
+        assert response_class is not None
+        self.response = response_class(
+            self.method,
+            self.original_url,
+            writer=task,
+            continue100=self._continue,
+            timer=self._timer,
+            request_info=self.request_info,
+            traces=self._traces,
+            loop=self.loop,
+            session=self._session,
+        )
+        return self.response
+
+    async def close(self) -> None:
+        if self.__writer is not None:
+            try:
+                await self.__writer
+            except asyncio.CancelledError:
+                if (
+                    sys.version_info >= (3, 11)
+                    and (task := asyncio.current_task())
+                    and task.cancelling()
+                ):
+                    raise
+
+    def terminate(self) -> None:
+        if self.__writer is not None:
+            if not self.loop.is_closed():
+                self.__writer.cancel()
+            self.__writer.remove_done_callback(self.__reset_writer)
+            self.__writer = None
+
+    async def _on_chunk_request_sent(self, method: str, url: URL, chunk: bytes) -> None:
+        for trace in self._traces:
+            await trace.send_request_chunk_sent(method, url, chunk)
+
+    async def _on_headers_request_sent(
+        self, method: str, url: URL, headers: "CIMultiDict[str]"
+    ) -> None:
+        for trace in self._traces:
+            await trace.send_request_headers(method, url, headers)
+
+
+_CONNECTION_CLOSED_EXCEPTION = ClientConnectionError("Connection closed")
+
+
+class ClientResponse(HeadersMixin):
+
+    # Some of these attributes are None when created,
+    # but will be set by the start() method.
+    # As the end user will likely never see the None values, we cheat the types below.
+    # from the Status-Line of the response
+    version: Optional[HttpVersion] = None  # HTTP-Version
+    status: int = None  # type: ignore[assignment] # Status-Code
+    reason: Optional[str] = None  # Reason-Phrase
+
+    content: StreamReader = None  # type: ignore[assignment] # Payload stream
+    _body: Optional[bytes] = None
+    _headers: CIMultiDictProxy[str] = None  # type: ignore[assignment]
+    _history: Tuple["ClientResponse", ...] = ()
+    _raw_headers: RawHeaders = None  # type: ignore[assignment]
+
+    _connection: Optional["Connection"] = None  # current connection
+    _cookies: Optional[SimpleCookie] = None
+    _continue: Optional["asyncio.Future[bool]"] = None
+    _source_traceback: Optional[traceback.StackSummary] = None
+    _session: Optional["ClientSession"] = None
+    # set up by ClientRequest after ClientResponse object creation
+    # post-init stage allows to not change ctor signature
+    _closed = True  # to allow __del__ for non-initialized properly response
+    _released = False
+    _in_context = False
+
+    _resolve_charset: Callable[["ClientResponse", bytes], str] = lambda *_: "utf-8"
+
+    __writer: Optional["asyncio.Task[None]"] = None
+
+    def __init__(
+        self,
+        method: str,
+        url: URL,
+        *,
+        writer: "Optional[asyncio.Task[None]]",
+        continue100: Optional["asyncio.Future[bool]"],
+        timer: BaseTimerContext,
+        request_info: RequestInfo,
+        traces: List["Trace"],
+        loop: asyncio.AbstractEventLoop,
+        session: "ClientSession",
+    ) -> None:
+        # URL forbids subclasses, so a simple type check is enough.
+        assert type(url) is URL
+
+        self.method = method
+
+        self._real_url = url
+        self._url = url.with_fragment(None) if url.raw_fragment else url
+        if writer is not None:
+            self._writer = writer
+        if continue100 is not None:
+            self._continue = continue100
+        self._request_info = request_info
+        self._timer = timer if timer is not None else TimerNoop()
+        self._cache: Dict[str, Any] = {}
+        self._traces = traces
+        self._loop = loop
+        # Save reference to _resolve_charset, so that get_encoding() will still
+        # work after the response has finished reading the body.
+        # TODO: Fix session=None in tests (see ClientRequest.__init__).
+        if session is not None:
+            # store a reference to session #1985
+            self._session = session
+            self._resolve_charset = session._resolve_charset
+        if loop.get_debug():
+            self._source_traceback = traceback.extract_stack(sys._getframe(1))
+
+    def __reset_writer(self, _: object = None) -> None:
+        self.__writer = None
+
+    @property
+    def _writer(self) -> Optional["asyncio.Task[None]"]:
+        """The writer task for streaming data.
+
+        _writer is only provided for backwards compatibility
+        for subclasses that may need to access it.
+        """
+        return self.__writer
+
+    @_writer.setter
+    def _writer(self, writer: Optional["asyncio.Task[None]"]) -> None:
+        """Set the writer task for streaming data."""
+        if self.__writer is not None:
+            self.__writer.remove_done_callback(self.__reset_writer)
+        self.__writer = writer
+        if writer is None:
+            return
+        if writer.done():
+            # The writer is already done, so we can clear it immediately.
+            self.__writer = None
+        else:
+            writer.add_done_callback(self.__reset_writer)
+
+    @property
+    def cookies(self) -> SimpleCookie:
+        if self._cookies is None:
+            self._cookies = SimpleCookie()
+        return self._cookies
+
+    @cookies.setter
+    def cookies(self, cookies: SimpleCookie) -> None:
+        self._cookies = cookies
+
+    @reify
+    def url(self) -> URL:
+        return self._url
+
+    @reify
+    def url_obj(self) -> URL:
+        warnings.warn("Deprecated, use .url #1654", DeprecationWarning, stacklevel=2)
+        return self._url
+
+    @reify
+    def real_url(self) -> URL:
+        return self._real_url
+
+    @reify
+    def host(self) -> str:
+        assert self._url.host is not None
+        return self._url.host
+
+    @reify
+    def headers(self) -> "CIMultiDictProxy[str]":
+        return self._headers
+
+    @reify
+    def raw_headers(self) -> RawHeaders:
+        return self._raw_headers
+
+    @reify
+    def request_info(self) -> RequestInfo:
+        return self._request_info
+
+    @reify
+    def content_disposition(self) -> Optional[ContentDisposition]:
+        raw = self._headers.get(hdrs.CONTENT_DISPOSITION)
+        if raw is None:
+            return None
+        disposition_type, params_dct = multipart.parse_content_disposition(raw)
+        params = MappingProxyType(params_dct)
+        filename = multipart.content_disposition_filename(params)
+        return ContentDisposition(disposition_type, params, filename)
+
+    def __del__(self, _warnings: Any = warnings) -> None:
+        if self._closed:
+            return
+
+        if self._connection is not None:
+            self._connection.release()
+            self._cleanup_writer()
+
+            if self._loop.get_debug():
+                kwargs = {"source": self}
+                _warnings.warn(f"Unclosed response {self!r}", ResourceWarning, **kwargs)
+                context = {"client_response": self, "message": "Unclosed response"}
+                if self._source_traceback:
+                    context["source_traceback"] = self._source_traceback
+                self._loop.call_exception_handler(context)
+
+    def __repr__(self) -> str:
+        out = io.StringIO()
+        ascii_encodable_url = str(self.url)
+        if self.reason:
+            ascii_encodable_reason = self.reason.encode(
+                "ascii", "backslashreplace"
+            ).decode("ascii")
+        else:
+            ascii_encodable_reason = "None"
+        print(
+            "<ClientResponse({}) [{} {}]>".format(
+                ascii_encodable_url, self.status, ascii_encodable_reason
+            ),
+            file=out,
+        )
+        print(self.headers, file=out)
+        return out.getvalue()
+
+    @property
+    def connection(self) -> Optional["Connection"]:
+        return self._connection
+
+    @reify
+    def history(self) -> Tuple["ClientResponse", ...]:
+        """A sequence of of responses, if redirects occurred."""
+        return self._history
+
+    @reify
+    def links(self) -> "MultiDictProxy[MultiDictProxy[Union[str, URL]]]":
+        links_str = ", ".join(self.headers.getall("link", []))
+
+        if not links_str:
+            return MultiDictProxy(MultiDict())
+
+        links: MultiDict[MultiDictProxy[Union[str, URL]]] = MultiDict()
+
+        for val in re.split(r",(?=\s*<)", links_str):
+            match = re.match(r"\s*<(.*)>(.*)", val)
+            if match is None:  # pragma: no cover
+                # the check exists to suppress mypy error
+                continue
+            url, params_str = match.groups()
+            params = params_str.split(";")[1:]
+
+            link: MultiDict[Union[str, URL]] = MultiDict()
+
+            for param in params:
+                match = re.match(r"^\s*(\S*)\s*=\s*(['\"]?)(.*?)(\2)\s*$", param, re.M)
+                if match is None:  # pragma: no cover
+                    # the check exists to suppress mypy error
+                    continue
+                key, _, value, _ = match.groups()
+
+                link.add(key, value)
+
+            key = link.get("rel", url)
+
+            link.add("url", self.url.join(URL(url)))
+
+            links.add(str(key), MultiDictProxy(link))
+
+        return MultiDictProxy(links)
+
+    async def start(self, connection: "Connection") -> "ClientResponse":
+        """Start response processing."""
+        self._closed = False
+        self._protocol = connection.protocol
+        self._connection = connection
+
+        with self._timer:
+            while True:
+                # read response
+                try:
+                    protocol = self._protocol
+                    message, payload = await protocol.read()  # type: ignore[union-attr]
+                except http.HttpProcessingError as exc:
+                    raise ClientResponseError(
+                        self.request_info,
+                        self.history,
+                        status=exc.code,
+                        message=exc.message,
+                        headers=exc.headers,
+                    ) from exc
+
+                if message.code < 100 or message.code > 199 or message.code == 101:
+                    break
+
+                if self._continue is not None:
+                    set_result(self._continue, True)
+                    self._continue = None
+
+        # payload eof handler
+        payload.on_eof(self._response_eof)
+
+        # response status
+        self.version = message.version
+        self.status = message.code
+        self.reason = message.reason
+
+        # headers
+        self._headers = message.headers  # type is CIMultiDictProxy
+        self._raw_headers = message.raw_headers  # type is Tuple[bytes, bytes]
+
+        # payload
+        self.content = payload
+
+        # cookies
+        if cookie_hdrs := self.headers.getall(hdrs.SET_COOKIE, ()):
+            cookies = SimpleCookie()
+            for hdr in cookie_hdrs:
+                try:
+                    cookies.load(hdr)
+                except CookieError as exc:
+                    client_logger.warning("Can not load response cookies: %s", exc)
+            self._cookies = cookies
+        return self
+
+    def _response_eof(self) -> None:
+        if self._closed:
+            return
+
+        # protocol could be None because connection could be detached
+        protocol = self._connection and self._connection.protocol
+        if protocol is not None and protocol.upgraded:
+            return
+
+        self._closed = True
+        self._cleanup_writer()
+        self._release_connection()
+
+    @property
+    def closed(self) -> bool:
+        return self._closed
+
+    def close(self) -> None:
+        if not self._released:
+            self._notify_content()
+
+        self._closed = True
+        if self._loop is None or self._loop.is_closed():
+            return
+
+        self._cleanup_writer()
+        if self._connection is not None:
+            self._connection.close()
+            self._connection = None
+
+    def release(self) -> Any:
+        if not self._released:
+            self._notify_content()
+
+        self._closed = True
+
+        self._cleanup_writer()
+        self._release_connection()
+        return noop()
+
+    @property
+    def ok(self) -> bool:
+        """Returns ``True`` if ``status`` is less than ``400``, ``False`` if not.
+
+        This is **not** a check for ``200 OK`` but a check that the response
+        status is under 400.
+        """
+        return 400 > self.status
+
+    def raise_for_status(self) -> None:
+        if not self.ok:
+            # reason should always be not None for a started response
+            assert self.reason is not None
+
+            # If we're in a context we can rely on __aexit__() to release as the
+            # exception propagates.
+            if not self._in_context:
+                self.release()
+
+            raise ClientResponseError(
+                self.request_info,
+                self.history,
+                status=self.status,
+                message=self.reason,
+                headers=self.headers,
+            )
+
+    def _release_connection(self) -> None:
+        if self._connection is not None:
+            if self.__writer is None:
+                self._connection.release()
+                self._connection = None
+            else:
+                self.__writer.add_done_callback(lambda f: self._release_connection())
+
+    async def _wait_released(self) -> None:
+        if self.__writer is not None:
+            try:
+                await self.__writer
+            except asyncio.CancelledError:
+                if (
+                    sys.version_info >= (3, 11)
+                    and (task := asyncio.current_task())
+                    and task.cancelling()
+                ):
+                    raise
+        self._release_connection()
+
+    def _cleanup_writer(self) -> None:
+        if self.__writer is not None:
+            self.__writer.cancel()
+        self._session = None
+
+    def _notify_content(self) -> None:
+        content = self.content
+        if content and content.exception() is None:
+            set_exception(content, _CONNECTION_CLOSED_EXCEPTION)
+        self._released = True
+
+    async def wait_for_close(self) -> None:
+        if self.__writer is not None:
+            try:
+                await self.__writer
+            except asyncio.CancelledError:
+                if (
+                    sys.version_info >= (3, 11)
+                    and (task := asyncio.current_task())
+                    and task.cancelling()
+                ):
+                    raise
+        self.release()
+
+    async def read(self) -> bytes:
+        """Read response payload."""
+        if self._body is None:
+            try:
+                self._body = await self.content.read()
+                for trace in self._traces:
+                    await trace.send_response_chunk_received(
+                        self.method, self.url, self._body
+                    )
+            except BaseException:
+                self.close()
+                raise
+        elif self._released:  # Response explicitly released
+            raise ClientConnectionError("Connection closed")
+
+        protocol = self._connection and self._connection.protocol
+        if protocol is None or not protocol.upgraded:
+            await self._wait_released()  # Underlying connection released
+        return self._body
+
+    def get_encoding(self) -> str:
+        ctype = self.headers.get(hdrs.CONTENT_TYPE, "").lower()
+        mimetype = helpers.parse_mimetype(ctype)
+
+        encoding = mimetype.parameters.get("charset")
+        if encoding:
+            with contextlib.suppress(LookupError, ValueError):
+                return codecs.lookup(encoding).name
+
+        if mimetype.type == "application" and (
+            mimetype.subtype == "json" or mimetype.subtype == "rdap"
+        ):
+            # RFC 7159 states that the default encoding is UTF-8.
+            # RFC 7483 defines application/rdap+json
+            return "utf-8"
+
+        if self._body is None:
+            raise RuntimeError(
+                "Cannot compute fallback encoding of a not yet read body"
+            )
+
+        return self._resolve_charset(self, self._body)
+
+    async def text(self, encoding: Optional[str] = None, errors: str = "strict") -> str:
+        """Read response payload and decode."""
+        if self._body is None:
+            await self.read()
+
+        if encoding is None:
+            encoding = self.get_encoding()
+
+        return self._body.decode(encoding, errors=errors)  # type: ignore[union-attr]
+
+    async def json(
+        self,
+        *,
+        encoding: Optional[str] = None,
+        loads: JSONDecoder = DEFAULT_JSON_DECODER,
+        content_type: Optional[str] = "application/json",
+    ) -> Any:
+        """Read and decodes JSON response."""
+        if self._body is None:
+            await self.read()
+
+        if content_type:
+            ctype = self.headers.get(hdrs.CONTENT_TYPE, "").lower()
+            if not _is_expected_content_type(ctype, content_type):
+                raise ContentTypeError(
+                    self.request_info,
+                    self.history,
+                    status=self.status,
+                    message=(
+                        "Attempt to decode JSON with unexpected mimetype: %s" % ctype
+                    ),
+                    headers=self.headers,
+                )
+
+        stripped = self._body.strip()  # type: ignore[union-attr]
+        if not stripped:
+            return None
+
+        if encoding is None:
+            encoding = self.get_encoding()
+
+        return loads(stripped.decode(encoding))
+
+    async def __aenter__(self) -> "ClientResponse":
+        self._in_context = True
+        return self
+
+    async def __aexit__(
+        self,
+        exc_type: Optional[Type[BaseException]],
+        exc_val: Optional[BaseException],
+        exc_tb: Optional[TracebackType],
+    ) -> None:
+        self._in_context = False
+        # similar to _RequestContextManager, we do not need to check
+        # for exceptions, response object can close connection
+        # if state is broken
+        self.release()
+        await self.wait_for_close()

evalkit_cambrian/lib/python3.10/site-packages/aiohttp/client_ws.py

@@ -0,0 +1,426 @@
+"""WebSocket client for asyncio."""
+
+import asyncio
+import sys
+from types import TracebackType
+from typing import Any, Optional, Type, cast
+
+import attr
+
+from ._websocket.reader import WebSocketDataQueue
+from .client_exceptions import ClientError, ServerTimeoutError, WSMessageTypeError
+from .client_reqrep import ClientResponse
+from .helpers import calculate_timeout_when, set_result
+from .http import (
+    WS_CLOSED_MESSAGE,
+    WS_CLOSING_MESSAGE,
+    WebSocketError,
+    WSCloseCode,
+    WSMessage,
+    WSMsgType,
+)
+from .http_websocket import _INTERNAL_RECEIVE_TYPES, WebSocketWriter
+from .streams import EofStream
+from .typedefs import (
+    DEFAULT_JSON_DECODER,
+    DEFAULT_JSON_ENCODER,
+    JSONDecoder,
+    JSONEncoder,
+)
+
+if sys.version_info >= (3, 11):
+    import asyncio as async_timeout
+else:
+    import async_timeout
+
+
+@attr.s(frozen=True, slots=True)
+class ClientWSTimeout:
+    ws_receive = attr.ib(type=Optional[float], default=None)
+    ws_close = attr.ib(type=Optional[float], default=None)
+
+
+DEFAULT_WS_CLIENT_TIMEOUT = ClientWSTimeout(ws_receive=None, ws_close=10.0)
+
+
+class ClientWebSocketResponse:
+    def __init__(
+        self,
+        reader: WebSocketDataQueue,
+        writer: WebSocketWriter,
+        protocol: Optional[str],
+        response: ClientResponse,
+        timeout: ClientWSTimeout,
+        autoclose: bool,
+        autoping: bool,
+        loop: asyncio.AbstractEventLoop,
+        *,
+        heartbeat: Optional[float] = None,
+        compress: int = 0,
+        client_notakeover: bool = False,
+    ) -> None:
+        self._response = response
+        self._conn = response.connection
+
+        self._writer = writer
+        self._reader = reader
+        self._protocol = protocol
+        self._closed = False
+        self._closing = False
+        self._close_code: Optional[int] = None
+        self._timeout = timeout
+        self._autoclose = autoclose
+        self._autoping = autoping
+        self._heartbeat = heartbeat
+        self._heartbeat_cb: Optional[asyncio.TimerHandle] = None
+        self._heartbeat_when: float = 0.0
+        if heartbeat is not None:
+            self._pong_heartbeat = heartbeat / 2.0
+        self._pong_response_cb: Optional[asyncio.TimerHandle] = None
+        self._loop = loop
+        self._waiting: bool = False
+        self._close_wait: Optional[asyncio.Future[None]] = None
+        self._exception: Optional[BaseException] = None
+        self._compress = compress
+        self._client_notakeover = client_notakeover
+        self._ping_task: Optional[asyncio.Task[None]] = None
+
+        self._reset_heartbeat()
+
+    def _cancel_heartbeat(self) -> None:
+        self._cancel_pong_response_cb()
+        if self._heartbeat_cb is not None:
+            self._heartbeat_cb.cancel()
+            self._heartbeat_cb = None
+        if self._ping_task is not None:
+            self._ping_task.cancel()
+            self._ping_task = None
+
+    def _cancel_pong_response_cb(self) -> None:
+        if self._pong_response_cb is not None:
+            self._pong_response_cb.cancel()
+            self._pong_response_cb = None
+
+    def _reset_heartbeat(self) -> None:
+        if self._heartbeat is None:
+            return
+        self._cancel_pong_response_cb()
+        loop = self._loop
+        assert loop is not None
+        conn = self._conn
+        timeout_ceil_threshold = (
+            conn._connector._timeout_ceil_threshold if conn is not None else 5
+        )
+        now = loop.time()
+        when = calculate_timeout_when(now, self._heartbeat, timeout_ceil_threshold)
+        self._heartbeat_when = when
+        if self._heartbeat_cb is None:
+            # We do not cancel the previous heartbeat_cb here because
+            # it generates a significant amount of TimerHandle churn
+            # which causes asyncio to rebuild the heap frequently.
+            # Instead _send_heartbeat() will reschedule the next
+            # heartbeat if it fires too early.
+            self._heartbeat_cb = loop.call_at(when, self._send_heartbeat)
+
+    def _send_heartbeat(self) -> None:
+        self._heartbeat_cb = None
+        loop = self._loop
+        now = loop.time()
+        if now < self._heartbeat_when:
+            # Heartbeat fired too early, reschedule
+            self._heartbeat_cb = loop.call_at(
+                self._heartbeat_when, self._send_heartbeat
+            )
+            return
+
+        conn = self._conn
+        timeout_ceil_threshold = (
+            conn._connector._timeout_ceil_threshold if conn is not None else 5
+        )
+        when = calculate_timeout_when(now, self._pong_heartbeat, timeout_ceil_threshold)
+        self._cancel_pong_response_cb()
+        self._pong_response_cb = loop.call_at(when, self._pong_not_received)
+
+        coro = self._writer.send_frame(b"", WSMsgType.PING)
+        if sys.version_info >= (3, 12):
+            # Optimization for Python 3.12, try to send the ping
+            # immediately to avoid having to schedule
+            # the task on the event loop.
+            ping_task = asyncio.Task(coro, loop=loop, eager_start=True)
+        else:
+            ping_task = loop.create_task(coro)
+
+        if not ping_task.done():
+            self._ping_task = ping_task
+            ping_task.add_done_callback(self._ping_task_done)
+        else:
+            self._ping_task_done(ping_task)
+
+    def _ping_task_done(self, task: "asyncio.Task[None]") -> None:
+        """Callback for when the ping task completes."""
+        if not task.cancelled() and (exc := task.exception()):
+            self._handle_ping_pong_exception(exc)
+        self._ping_task = None
+
+    def _pong_not_received(self) -> None:
+        self._handle_ping_pong_exception(ServerTimeoutError())
+
+    def _handle_ping_pong_exception(self, exc: BaseException) -> None:
+        """Handle exceptions raised during ping/pong processing."""
+        if self._closed:
+            return
+        self._set_closed()
+        self._close_code = WSCloseCode.ABNORMAL_CLOSURE
+        self._exception = exc
+        self._response.close()
+        if self._waiting and not self._closing:
+            self._reader.feed_data(WSMessage(WSMsgType.ERROR, exc, None), 0)
+
+    def _set_closed(self) -> None:
+        """Set the connection to closed.
+
+        Cancel any heartbeat timers and set the closed flag.
+        """
+        self._closed = True
+        self._cancel_heartbeat()
+
+    def _set_closing(self) -> None:
+        """Set the connection to closing.
+
+        Cancel any heartbeat timers and set the closing flag.
+        """
+        self._closing = True
+        self._cancel_heartbeat()
+
+    @property
+    def closed(self) -> bool:
+        return self._closed
+
+    @property
+    def close_code(self) -> Optional[int]:
+        return self._close_code
+
+    @property
+    def protocol(self) -> Optional[str]:
+        return self._protocol
+
+    @property
+    def compress(self) -> int:
+        return self._compress
+
+    @property
+    def client_notakeover(self) -> bool:
+        return self._client_notakeover
+
+    def get_extra_info(self, name: str, default: Any = None) -> Any:
+        """extra info from connection transport"""
+        conn = self._response.connection
+        if conn is None:
+            return default
+        transport = conn.transport
+        if transport is None:
+            return default
+        return transport.get_extra_info(name, default)
+
+    def exception(self) -> Optional[BaseException]:
+        return self._exception
+
+    async def ping(self, message: bytes = b"") -> None:
+        await self._writer.send_frame(message, WSMsgType.PING)
+
+    async def pong(self, message: bytes = b"") -> None:
+        await self._writer.send_frame(message, WSMsgType.PONG)
+
+    async def send_frame(
+        self, message: bytes, opcode: WSMsgType, compress: Optional[int] = None
+    ) -> None:
+        """Send a frame over the websocket."""
+        await self._writer.send_frame(message, opcode, compress)
+
+    async def send_str(self, data: str, compress: Optional[int] = None) -> None:
+        if not isinstance(data, str):
+            raise TypeError("data argument must be str (%r)" % type(data))
+        await self._writer.send_frame(
+            data.encode("utf-8"), WSMsgType.TEXT, compress=compress
+        )
+
+    async def send_bytes(self, data: bytes, compress: Optional[int] = None) -> None:
+        if not isinstance(data, (bytes, bytearray, memoryview)):
+            raise TypeError("data argument must be byte-ish (%r)" % type(data))
+        await self._writer.send_frame(data, WSMsgType.BINARY, compress=compress)
+
+    async def send_json(
+        self,
+        data: Any,
+        compress: Optional[int] = None,
+        *,
+        dumps: JSONEncoder = DEFAULT_JSON_ENCODER,
+    ) -> None:
+        await self.send_str(dumps(data), compress=compress)
+
+    async def close(self, *, code: int = WSCloseCode.OK, message: bytes = b"") -> bool:
+        # we need to break `receive()` cycle first,
+        # `close()` may be called from different task
+        if self._waiting and not self._closing:
+            assert self._loop is not None
+            self._close_wait = self._loop.create_future()
+            self._set_closing()
+            self._reader.feed_data(WS_CLOSING_MESSAGE, 0)
+            await self._close_wait
+
+        if self._closed:
+            return False
+
+        self._set_closed()
+        try:
+            await self._writer.close(code, message)
+        except asyncio.CancelledError:
+            self._close_code = WSCloseCode.ABNORMAL_CLOSURE
+            self._response.close()
+            raise
+        except Exception as exc:
+            self._close_code = WSCloseCode.ABNORMAL_CLOSURE
+            self._exception = exc
+            self._response.close()
+            return True
+
+        if self._close_code:
+            self._response.close()
+            return True
+
+        while True:
+            try:
+                async with async_timeout.timeout(self._timeout.ws_close):
+                    msg = await self._reader.read()
+            except asyncio.CancelledError:
+                self._close_code = WSCloseCode.ABNORMAL_CLOSURE
+                self._response.close()
+                raise
+            except Exception as exc:
+                self._close_code = WSCloseCode.ABNORMAL_CLOSURE
+                self._exception = exc
+                self._response.close()
+                return True
+
+            if msg.type is WSMsgType.CLOSE:
+                self._close_code = msg.data
+                self._response.close()
+                return True
+
+    async def receive(self, timeout: Optional[float] = None) -> WSMessage:
+        receive_timeout = timeout or self._timeout.ws_receive
+
+        while True:
+            if self._waiting:
+                raise RuntimeError("Concurrent call to receive() is not allowed")
+
+            if self._closed:
+                return WS_CLOSED_MESSAGE
+            elif self._closing:
+                await self.close()
+                return WS_CLOSED_MESSAGE
+
+            try:
+                self._waiting = True
+                try:
+                    if receive_timeout:
+                        # Entering the context manager and creating
+                        # Timeout() object can take almost 50% of the
+                        # run time in this loop so we avoid it if
+                        # there is no read timeout.
+                        async with async_timeout.timeout(receive_timeout):
+                            msg = await self._reader.read()
+                    else:
+                        msg = await self._reader.read()
+                    self._reset_heartbeat()
+                finally:
+                    self._waiting = False
+                    if self._close_wait:
+                        set_result(self._close_wait, None)
+            except (asyncio.CancelledError, asyncio.TimeoutError):
+                self._close_code = WSCloseCode.ABNORMAL_CLOSURE
+                raise
+            except EofStream:
+                self._close_code = WSCloseCode.OK
+                await self.close()
+                return WSMessage(WSMsgType.CLOSED, None, None)
+            except ClientError:
+                # Likely ServerDisconnectedError when connection is lost
+                self._set_closed()
+                self._close_code = WSCloseCode.ABNORMAL_CLOSURE
+                return WS_CLOSED_MESSAGE
+            except WebSocketError as exc:
+                self._close_code = exc.code
+                await self.close(code=exc.code)
+                return WSMessage(WSMsgType.ERROR, exc, None)
+            except Exception as exc:
+                self._exception = exc
+                self._set_closing()
+                self._close_code = WSCloseCode.ABNORMAL_CLOSURE
+                await self.close()
+                return WSMessage(WSMsgType.ERROR, exc, None)
+
+            if msg.type not in _INTERNAL_RECEIVE_TYPES:
+                # If its not a close/closing/ping/pong message
+                # we can return it immediately
+                return msg
+
+            if msg.type is WSMsgType.CLOSE:
+                self._set_closing()
+                self._close_code = msg.data
+                if not self._closed and self._autoclose:
+                    await self.close()
+            elif msg.type is WSMsgType.CLOSING:
+                self._set_closing()
+            elif msg.type is WSMsgType.PING and self._autoping:
+                await self.pong(msg.data)
+                continue
+            elif msg.type is WSMsgType.PONG and self._autoping:
+                continue
+
+            return msg
+
+    async def receive_str(self, *, timeout: Optional[float] = None) -> str:
+        msg = await self.receive(timeout)
+        if msg.type is not WSMsgType.TEXT:
+            raise WSMessageTypeError(
+                f"Received message {msg.type}:{msg.data!r} is not WSMsgType.TEXT"
+            )
+        return cast(str, msg.data)
+
+    async def receive_bytes(self, *, timeout: Optional[float] = None) -> bytes:
+        msg = await self.receive(timeout)
+        if msg.type is not WSMsgType.BINARY:
+            raise WSMessageTypeError(
+                f"Received message {msg.type}:{msg.data!r} is not WSMsgType.BINARY"
+            )
+        return cast(bytes, msg.data)
+
+    async def receive_json(
+        self,
+        *,
+        loads: JSONDecoder = DEFAULT_JSON_DECODER,
+        timeout: Optional[float] = None,
+    ) -> Any:
+        data = await self.receive_str(timeout=timeout)
+        return loads(data)
+
+    def __aiter__(self) -> "ClientWebSocketResponse":
+        return self
+
+    async def __anext__(self) -> WSMessage:
+        msg = await self.receive()
+        if msg.type in (WSMsgType.CLOSE, WSMsgType.CLOSING, WSMsgType.CLOSED):
+            raise StopAsyncIteration
+        return msg
+
+    async def __aenter__(self) -> "ClientWebSocketResponse":
+        return self
+
+    async def __aexit__(
+        self,
+        exc_type: Optional[Type[BaseException]],
+        exc_val: Optional[BaseException],
+        exc_tb: Optional[TracebackType],
+    ) -> None:
+        await self.close()

evalkit_cambrian/lib/python3.10/site-packages/aiohttp/connector.py

@@ -0,0 +1,1652 @@
+import asyncio
+import functools
+import random
+import socket
+import sys
+import traceback
+import warnings
+from collections import OrderedDict, defaultdict, deque
+from contextlib import suppress
+from http import HTTPStatus
+from itertools import chain, cycle, islice
+from time import monotonic
+from types import TracebackType
+from typing import (
+    TYPE_CHECKING,
+    Any,
+    Awaitable,
+    Callable,
+    DefaultDict,
+    Deque,
+    Dict,
+    Iterator,
+    List,
+    Literal,
+    Optional,
+    Sequence,
+    Set,
+    Tuple,
+    Type,
+    Union,
+    cast,
+)
+
+import aiohappyeyeballs
+
+from . import hdrs, helpers
+from .abc import AbstractResolver, ResolveResult
+from .client_exceptions import (
+    ClientConnectionError,
+    ClientConnectorCertificateError,
+    ClientConnectorDNSError,
+    ClientConnectorError,
+    ClientConnectorSSLError,
+    ClientHttpProxyError,
+    ClientProxyConnectionError,
+    ServerFingerprintMismatch,
+    UnixClientConnectorError,
+    cert_errors,
+    ssl_errors,
+)
+from .client_proto import ResponseHandler
+from .client_reqrep import ClientRequest, Fingerprint, _merge_ssl_params
+from .helpers import (
+    ceil_timeout,
+    is_ip_address,
+    noop,
+    sentinel,
+    set_exception,
+    set_result,
+)
+from .resolver import DefaultResolver
+
+if TYPE_CHECKING:
+    import ssl
+
+    SSLContext = ssl.SSLContext
+else:
+    try:
+        import ssl
+
+        SSLContext = ssl.SSLContext
+    except ImportError:  # pragma: no cover
+        ssl = None  # type: ignore[assignment]
+        SSLContext = object  # type: ignore[misc,assignment]
+
+EMPTY_SCHEMA_SET = frozenset({""})
+HTTP_SCHEMA_SET = frozenset({"http", "https"})
+WS_SCHEMA_SET = frozenset({"ws", "wss"})
+
+HTTP_AND_EMPTY_SCHEMA_SET = HTTP_SCHEMA_SET | EMPTY_SCHEMA_SET
+HIGH_LEVEL_SCHEMA_SET = HTTP_AND_EMPTY_SCHEMA_SET | WS_SCHEMA_SET
+
+NEEDS_CLEANUP_CLOSED = (3, 13, 0) <= sys.version_info < (
+    3,
+    13,
+    1,
+) or sys.version_info < (3, 12, 7)
+# Cleanup closed is no longer needed after https://github.com/python/cpython/pull/118960
+# which first appeared in Python 3.12.7 and 3.13.1
+
+
+__all__ = ("BaseConnector", "TCPConnector", "UnixConnector", "NamedPipeConnector")
+
+
+if TYPE_CHECKING:
+    from .client import ClientTimeout
+    from .client_reqrep import ConnectionKey
+    from .tracing import Trace
+
+
+class _DeprecationWaiter:
+    __slots__ = ("_awaitable", "_awaited")
+
+    def __init__(self, awaitable: Awaitable[Any]) -> None:
+        self._awaitable = awaitable
+        self._awaited = False
+
+    def __await__(self) -> Any:
+        self._awaited = True
+        return self._awaitable.__await__()
+
+    def __del__(self) -> None:
+        if not self._awaited:
+            warnings.warn(
+                "Connector.close() is a coroutine, "
+                "please use await connector.close()",
+                DeprecationWarning,
+            )
+
+
+class Connection:
+
+    _source_traceback = None
+
+    def __init__(
+        self,
+        connector: "BaseConnector",
+        key: "ConnectionKey",
+        protocol: ResponseHandler,
+        loop: asyncio.AbstractEventLoop,
+    ) -> None:
+        self._key = key
+        self._connector = connector
+        self._loop = loop
+        self._protocol: Optional[ResponseHandler] = protocol
+        self._callbacks: List[Callable[[], None]] = []
+
+        if loop.get_debug():
+            self._source_traceback = traceback.extract_stack(sys._getframe(1))
+
+    def __repr__(self) -> str:
+        return f"Connection<{self._key}>"
+
+    def __del__(self, _warnings: Any = warnings) -> None:
+        if self._protocol is not None:
+            kwargs = {"source": self}
+            _warnings.warn(f"Unclosed connection {self!r}", ResourceWarning, **kwargs)
+            if self._loop.is_closed():
+                return
+
+            self._connector._release(self._key, self._protocol, should_close=True)
+
+            context = {"client_connection": self, "message": "Unclosed connection"}
+            if self._source_traceback is not None:
+                context["source_traceback"] = self._source_traceback
+            self._loop.call_exception_handler(context)
+
+    def __bool__(self) -> Literal[True]:
+        """Force subclasses to not be falsy, to make checks simpler."""
+        return True
+
+    @property
+    def loop(self) -> asyncio.AbstractEventLoop:
+        warnings.warn(
+            "connector.loop property is deprecated", DeprecationWarning, stacklevel=2
+        )
+        return self._loop
+
+    @property
+    def transport(self) -> Optional[asyncio.Transport]:
+        if self._protocol is None:
+            return None
+        return self._protocol.transport
+
+    @property
+    def protocol(self) -> Optional[ResponseHandler]:
+        return self._protocol
+
+    def add_callback(self, callback: Callable[[], None]) -> None:
+        if callback is not None:
+            self._callbacks.append(callback)
+
+    def _notify_release(self) -> None:
+        callbacks, self._callbacks = self._callbacks[:], []
+
+        for cb in callbacks:
+            with suppress(Exception):
+                cb()
+
+    def close(self) -> None:
+        self._notify_release()
+
+        if self._protocol is not None:
+            self._connector._release(self._key, self._protocol, should_close=True)
+            self._protocol = None
+
+    def release(self) -> None:
+        self._notify_release()
+
+        if self._protocol is not None:
+            self._connector._release(self._key, self._protocol)
+            self._protocol = None
+
+    @property
+    def closed(self) -> bool:
+        return self._protocol is None or not self._protocol.is_connected()
+
+
+class _TransportPlaceholder:
+    """placeholder for BaseConnector.connect function"""
+
+    __slots__ = ()
+
+    def close(self) -> None:
+        """Close the placeholder transport."""
+
+
+class BaseConnector:
+    """Base connector class.
+
+    keepalive_timeout - (optional) Keep-alive timeout.
+    force_close - Set to True to force close and do reconnect
+        after each request (and between redirects).
+    limit - The total number of simultaneous connections.
+    limit_per_host - Number of simultaneous connections to one host.
+    enable_cleanup_closed - Enables clean-up closed ssl transports.
+                            Disabled by default.
+    timeout_ceil_threshold - Trigger ceiling of timeout values when
+                             it's above timeout_ceil_threshold.
+    loop - Optional event loop.
+    """
+
+    _closed = True  # prevent AttributeError in __del__ if ctor was failed
+    _source_traceback = None
+
+    # abort transport after 2 seconds (cleanup broken connections)
+    _cleanup_closed_period = 2.0
+
+    allowed_protocol_schema_set = HIGH_LEVEL_SCHEMA_SET
+
+    def __init__(
+        self,
+        *,
+        keepalive_timeout: Union[object, None, float] = sentinel,
+        force_close: bool = False,
+        limit: int = 100,
+        limit_per_host: int = 0,
+        enable_cleanup_closed: bool = False,
+        loop: Optional[asyncio.AbstractEventLoop] = None,
+        timeout_ceil_threshold: float = 5,
+    ) -> None:
+
+        if force_close:
+            if keepalive_timeout is not None and keepalive_timeout is not sentinel:
+                raise ValueError(
+                    "keepalive_timeout cannot be set if force_close is True"
+                )
+        else:
+            if keepalive_timeout is sentinel:
+                keepalive_timeout = 15.0
+
+        loop = loop or asyncio.get_running_loop()
+        self._timeout_ceil_threshold = timeout_ceil_threshold
+
+        self._closed = False
+        if loop.get_debug():
+            self._source_traceback = traceback.extract_stack(sys._getframe(1))
+
+        # Connection pool of reusable connections.
+        # We use a deque to store connections because it has O(1) popleft()
+        # and O(1) append() operations to implement a FIFO queue.
+        self._conns: DefaultDict[
+            ConnectionKey, Deque[Tuple[ResponseHandler, float]]
+        ] = defaultdict(deque)
+        self._limit = limit
+        self._limit_per_host = limit_per_host
+        self._acquired: Set[ResponseHandler] = set()
+        self._acquired_per_host: DefaultDict[ConnectionKey, Set[ResponseHandler]] = (
+            defaultdict(set)
+        )
+        self._keepalive_timeout = cast(float, keepalive_timeout)
+        self._force_close = force_close
+
+        # {host_key: FIFO list of waiters}
+        # The FIFO is implemented with an OrderedDict with None keys because
+        # python does not have an ordered set.
+        self._waiters: DefaultDict[
+            ConnectionKey, OrderedDict[asyncio.Future[None], None]
+        ] = defaultdict(OrderedDict)
+
+        self._loop = loop
+        self._factory = functools.partial(ResponseHandler, loop=loop)
+
+        # start keep-alive connection cleanup task
+        self._cleanup_handle: Optional[asyncio.TimerHandle] = None
+
+        # start cleanup closed transports task
+        self._cleanup_closed_handle: Optional[asyncio.TimerHandle] = None
+
+        if enable_cleanup_closed and not NEEDS_CLEANUP_CLOSED:
+            warnings.warn(
+                "enable_cleanup_closed ignored because "
+                "https://github.com/python/cpython/pull/118960 is fixed "
+                f"in Python version {sys.version_info}",
+                DeprecationWarning,
+                stacklevel=2,
+            )
+            enable_cleanup_closed = False
+
+        self._cleanup_closed_disabled = not enable_cleanup_closed
+        self._cleanup_closed_transports: List[Optional[asyncio.Transport]] = []
+        self._cleanup_closed()
+
+    def __del__(self, _warnings: Any = warnings) -> None:
+        if self._closed:
+            return
+        if not self._conns:
+            return
+
+        conns = [repr(c) for c in self._conns.values()]
+
+        self._close()
+
+        kwargs = {"source": self}
+        _warnings.warn(f"Unclosed connector {self!r}", ResourceWarning, **kwargs)
+        context = {
+            "connector": self,
+            "connections": conns,
+            "message": "Unclosed connector",
+        }
+        if self._source_traceback is not None:
+            context["source_traceback"] = self._source_traceback
+        self._loop.call_exception_handler(context)
+
+    def __enter__(self) -> "BaseConnector":
+        warnings.warn(
+            '"with Connector():" is deprecated, '
+            'use "async with Connector():" instead',
+            DeprecationWarning,
+        )
+        return self
+
+    def __exit__(self, *exc: Any) -> None:
+        self._close()
+
+    async def __aenter__(self) -> "BaseConnector":
+        return self
+
+    async def __aexit__(
+        self,
+        exc_type: Optional[Type[BaseException]] = None,
+        exc_value: Optional[BaseException] = None,
+        exc_traceback: Optional[TracebackType] = None,
+    ) -> None:
+        await self.close()
+
+    @property
+    def force_close(self) -> bool:
+        """Ultimately close connection on releasing if True."""
+        return self._force_close
+
+    @property
+    def limit(self) -> int:
+        """The total number for simultaneous connections.
+
+        If limit is 0 the connector has no limit.
+        The default limit size is 100.
+        """
+        return self._limit
+
+    @property
+    def limit_per_host(self) -> int:
+        """The limit for simultaneous connections to the same endpoint.
+
+        Endpoints are the same if they are have equal
+        (host, port, is_ssl) triple.
+        """
+        return self._limit_per_host
+
+    def _cleanup(self) -> None:
+        """Cleanup unused transports."""
+        if self._cleanup_handle:
+            self._cleanup_handle.cancel()
+            # _cleanup_handle should be unset, otherwise _release() will not
+            # recreate it ever!
+            self._cleanup_handle = None
+
+        now = monotonic()
+        timeout = self._keepalive_timeout
+
+        if self._conns:
+            connections = defaultdict(deque)
+            deadline = now - timeout
+            for key, conns in self._conns.items():
+                alive: Deque[Tuple[ResponseHandler, float]] = deque()
+                for proto, use_time in conns:
+                    if proto.is_connected() and use_time - deadline >= 0:
+                        alive.append((proto, use_time))
+                        continue
+                    transport = proto.transport
+                    proto.close()
+                    if not self._cleanup_closed_disabled and key.is_ssl:
+                        self._cleanup_closed_transports.append(transport)
+
+                if alive:
+                    connections[key] = alive
+
+            self._conns = connections
+
+        if self._conns:
+            self._cleanup_handle = helpers.weakref_handle(
+                self,
+                "_cleanup",
+                timeout,
+                self._loop,
+                timeout_ceil_threshold=self._timeout_ceil_threshold,
+            )
+
+    def _cleanup_closed(self) -> None:
+        """Double confirmation for transport close.
+
+        Some broken ssl servers may leave socket open without proper close.
+        """
+        if self._cleanup_closed_handle:
+            self._cleanup_closed_handle.cancel()
+
+        for transport in self._cleanup_closed_transports:
+            if transport is not None:
+                transport.abort()
+
+        self._cleanup_closed_transports = []
+
+        if not self._cleanup_closed_disabled:
+            self._cleanup_closed_handle = helpers.weakref_handle(
+                self,
+                "_cleanup_closed",
+                self._cleanup_closed_period,
+                self._loop,
+                timeout_ceil_threshold=self._timeout_ceil_threshold,
+            )
+
+    def close(self) -> Awaitable[None]:
+        """Close all opened transports."""
+        self._close()
+        return _DeprecationWaiter(noop())
+
+    def _close(self) -> None:
+        if self._closed:
+            return
+
+        self._closed = True
+
+        try:
+            if self._loop.is_closed():
+                return
+
+            # cancel cleanup task
+            if self._cleanup_handle:
+                self._cleanup_handle.cancel()
+
+            # cancel cleanup close task
+            if self._cleanup_closed_handle:
+                self._cleanup_closed_handle.cancel()
+
+            for data in self._conns.values():
+                for proto, t0 in data:
+                    proto.close()
+
+            for proto in self._acquired:
+                proto.close()
+
+            for transport in self._cleanup_closed_transports:
+                if transport is not None:
+                    transport.abort()
+
+        finally:
+            self._conns.clear()
+            self._acquired.clear()
+            for keyed_waiters in self._waiters.values():
+                for keyed_waiter in keyed_waiters:
+                    keyed_waiter.cancel()
+            self._waiters.clear()
+            self._cleanup_handle = None
+            self._cleanup_closed_transports.clear()
+            self._cleanup_closed_handle = None
+
+    @property
+    def closed(self) -> bool:
+        """Is connector closed.
+
+        A readonly property.
+        """
+        return self._closed
+
+    def _available_connections(self, key: "ConnectionKey") -> int:
+        """
+        Return number of available connections.
+
+        The limit, limit_per_host and the connection key are taken into account.
+
+        If it returns less than 1 means that there are no connections
+        available.
+        """
+        # check total available connections
+        # If there are no limits, this will always return 1
+        total_remain = 1
+
+        if self._limit and (total_remain := self._limit - len(self._acquired)) <= 0:
+            return total_remain
+
+        # check limit per host
+        if host_remain := self._limit_per_host:
+            if acquired := self._acquired_per_host.get(key):
+                host_remain -= len(acquired)
+            if total_remain > host_remain:
+                return host_remain
+
+        return total_remain
+
+    async def connect(
+        self, req: ClientRequest, traces: List["Trace"], timeout: "ClientTimeout"
+    ) -> Connection:
+        """Get from pool or create new connection."""
+        key = req.connection_key
+        if (conn := await self._get(key, traces)) is not None:
+            # If we do not have to wait and we can get a connection from the pool
+            # we can avoid the timeout ceil logic and directly return the connection
+            return conn
+
+        async with ceil_timeout(timeout.connect, timeout.ceil_threshold):
+            if self._available_connections(key) <= 0:
+                await self._wait_for_available_connection(key, traces)
+                if (conn := await self._get(key, traces)) is not None:
+                    return conn
+
+            placeholder = cast(ResponseHandler, _TransportPlaceholder())
+            self._acquired.add(placeholder)
+            if self._limit_per_host:
+                self._acquired_per_host[key].add(placeholder)
+
+            try:
+                # Traces are done inside the try block to ensure that the
+                # that the placeholder is still cleaned up if an exception
+                # is raised.
+                if traces:
+                    for trace in traces:
+                        await trace.send_connection_create_start()
+                proto = await self._create_connection(req, traces, timeout)
+                if traces:
+                    for trace in traces:
+                        await trace.send_connection_create_end()
+            except BaseException:
+                self._release_acquired(key, placeholder)
+                raise
+            else:
+                if self._closed:
+                    proto.close()
+                    raise ClientConnectionError("Connector is closed.")
+
+        # The connection was successfully created, drop the placeholder
+        # and add the real connection to the acquired set. There should
+        # be no awaits after the proto is added to the acquired set
+        # to ensure that the connection is not left in the acquired set
+        # on cancellation.
+        self._acquired.remove(placeholder)
+        self._acquired.add(proto)
+        if self._limit_per_host:
+            acquired_per_host = self._acquired_per_host[key]
+            acquired_per_host.remove(placeholder)
+            acquired_per_host.add(proto)
+        return Connection(self, key, proto, self._loop)
+
+    async def _wait_for_available_connection(
+        self, key: "ConnectionKey", traces: List["Trace"]
+    ) -> None:
+        """Wait for an available connection slot."""
+        # We loop here because there is a race between
+        # the connection limit check and the connection
+        # being acquired. If the connection is acquired
+        # between the check and the await statement, we
+        # need to loop again to check if the connection
+        # slot is still available.
+        attempts = 0
+        while True:
+            fut: asyncio.Future[None] = self._loop.create_future()
+            keyed_waiters = self._waiters[key]
+            keyed_waiters[fut] = None
+            if attempts:
+                # If we have waited before, we need to move the waiter
+                # to the front of the queue as otherwise we might get
+                # starved and hit the timeout.
+                keyed_waiters.move_to_end(fut, last=False)
+
+            try:
+                # Traces happen in the try block to ensure that the
+                # the waiter is still cleaned up if an exception is raised.
+                if traces:
+                    for trace in traces:
+                        await trace.send_connection_queued_start()
+                await fut
+                if traces:
+                    for trace in traces:
+                        await trace.send_connection_queued_end()
+            finally:
+                # pop the waiter from the queue if its still
+                # there and not already removed by _release_waiter
+                keyed_waiters.pop(fut, None)
+                if not self._waiters.get(key, True):
+                    del self._waiters[key]
+
+            if self._available_connections(key) > 0:
+                break
+            attempts += 1
+
+    async def _get(
+        self, key: "ConnectionKey", traces: List["Trace"]
+    ) -> Optional[Connection]:
+        """Get next reusable connection for the key or None.
+
+        The connection will be marked as acquired.
+        """
+        if (conns := self._conns.get(key)) is None:
+            return None
+
+        t1 = monotonic()
+        while conns:
+            proto, t0 = conns.popleft()
+            # We will we reuse the connection if its connected and
+            # the keepalive timeout has not been exceeded
+            if proto.is_connected() and t1 - t0 <= self._keepalive_timeout:
+                if not conns:
+                    # The very last connection was reclaimed: drop the key
+                    del self._conns[key]
+                self._acquired.add(proto)
+                if self._limit_per_host:
+                    self._acquired_per_host[key].add(proto)
+                if traces:
+                    for trace in traces:
+                        try:
+                            await trace.send_connection_reuseconn()
+                        except BaseException:
+                            self._release_acquired(key, proto)
+                            raise
+                return Connection(self, key, proto, self._loop)
+
+            # Connection cannot be reused, close it
+            transport = proto.transport
+            proto.close()
+            # only for SSL transports
+            if not self._cleanup_closed_disabled and key.is_ssl:
+                self._cleanup_closed_transports.append(transport)
+
+        # No more connections: drop the key
+        del self._conns[key]
+        return None
+
+    def _release_waiter(self) -> None:
+        """
+        Iterates over all waiters until one to be released is found.
+
+        The one to be released is not finished and
+        belongs to a host that has available connections.
+        """
+        if not self._waiters:
+            return
+
+        # Having the dict keys ordered this avoids to iterate
+        # at the same order at each call.
+        queues = list(self._waiters)
+        random.shuffle(queues)
+
+        for key in queues:
+            if self._available_connections(key) < 1:
+                continue
+
+            waiters = self._waiters[key]
+            while waiters:
+                waiter, _ = waiters.popitem(last=False)
+                if not waiter.done():
+                    waiter.set_result(None)
+                    return
+
+    def _release_acquired(self, key: "ConnectionKey", proto: ResponseHandler) -> None:
+        """Release acquired connection."""
+        if self._closed:
+            # acquired connection is already released on connector closing
+            return
+
+        self._acquired.discard(proto)
+        if self._limit_per_host and (conns := self._acquired_per_host.get(key)):
+            conns.discard(proto)
+            if not conns:
+                del self._acquired_per_host[key]
+        self._release_waiter()
+
+    def _release(
+        self,
+        key: "ConnectionKey",
+        protocol: ResponseHandler,
+        *,
+        should_close: bool = False,
+    ) -> None:
+        if self._closed:
+            # acquired connection is already released on connector closing
+            return
+
+        self._release_acquired(key, protocol)
+
+        if self._force_close or should_close or protocol.should_close:
+            transport = protocol.transport
+            protocol.close()
+
+            if key.is_ssl and not self._cleanup_closed_disabled:
+                self._cleanup_closed_transports.append(transport)
+            return
+
+        self._conns[key].append((protocol, monotonic()))
+
+        if self._cleanup_handle is None:
+            self._cleanup_handle = helpers.weakref_handle(
+                self,
+                "_cleanup",
+                self._keepalive_timeout,
+                self._loop,
+                timeout_ceil_threshold=self._timeout_ceil_threshold,
+            )
+
+    async def _create_connection(
+        self, req: ClientRequest, traces: List["Trace"], timeout: "ClientTimeout"
+    ) -> ResponseHandler:
+        raise NotImplementedError()
+
+
+class _DNSCacheTable:
+    def __init__(self, ttl: Optional[float] = None) -> None:
+        self._addrs_rr: Dict[Tuple[str, int], Tuple[Iterator[ResolveResult], int]] = {}
+        self._timestamps: Dict[Tuple[str, int], float] = {}
+        self._ttl = ttl
+
+    def __contains__(self, host: object) -> bool:
+        return host in self._addrs_rr
+
+    def add(self, key: Tuple[str, int], addrs: List[ResolveResult]) -> None:
+        self._addrs_rr[key] = (cycle(addrs), len(addrs))
+
+        if self._ttl is not None:
+            self._timestamps[key] = monotonic()
+
+    def remove(self, key: Tuple[str, int]) -> None:
+        self._addrs_rr.pop(key, None)
+
+        if self._ttl is not None:
+            self._timestamps.pop(key, None)
+
+    def clear(self) -> None:
+        self._addrs_rr.clear()
+        self._timestamps.clear()
+
+    def next_addrs(self, key: Tuple[str, int]) -> List[ResolveResult]:
+        loop, length = self._addrs_rr[key]
+        addrs = list(islice(loop, length))
+        # Consume one more element to shift internal state of `cycle`
+        next(loop)
+        return addrs
+
+    def expired(self, key: Tuple[str, int]) -> bool:
+        if self._ttl is None:
+            return False
+
+        return self._timestamps[key] + self._ttl < monotonic()
+
+
+def _make_ssl_context(verified: bool) -> SSLContext:
+    """Create SSL context.
+
+    This method is not async-friendly and should be called from a thread
+    because it will load certificates from disk and do other blocking I/O.
+    """
+    if ssl is None:
+        # No ssl support
+        return None
+    if verified:
+        sslcontext = ssl.create_default_context()
+    else:
+        sslcontext = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
+        sslcontext.options |= ssl.OP_NO_SSLv2
+        sslcontext.options |= ssl.OP_NO_SSLv3
+        sslcontext.check_hostname = False
+        sslcontext.verify_mode = ssl.CERT_NONE
+        sslcontext.options |= ssl.OP_NO_COMPRESSION
+        sslcontext.set_default_verify_paths()
+    sslcontext.set_alpn_protocols(("http/1.1",))
+    return sslcontext
+
+
+# The default SSLContext objects are created at import time
+# since they do blocking I/O to load certificates from disk,
+# and imports should always be done before the event loop starts
+# or in a thread.
+_SSL_CONTEXT_VERIFIED = _make_ssl_context(True)
+_SSL_CONTEXT_UNVERIFIED = _make_ssl_context(False)
+
+
+class TCPConnector(BaseConnector):
+    """TCP connector.
+
+    verify_ssl - Set to True to check ssl certifications.
+    fingerprint - Pass the binary sha256
+        digest of the expected certificate in DER format to verify
+        that the certificate the server presents matches. See also
+        https://en.wikipedia.org/wiki/HTTP_Public_Key_Pinning
+    resolver - Enable DNS lookups and use this
+        resolver
+    use_dns_cache - Use memory cache for DNS lookups.
+    ttl_dns_cache - Max seconds having cached a DNS entry, None forever.
+    family - socket address family
+    local_addr - local tuple of (host, port) to bind socket to
+
+    keepalive_timeout - (optional) Keep-alive timeout.
+    force_close - Set to True to force close and do reconnect
+        after each request (and between redirects).
+    limit - The total number of simultaneous connections.
+    limit_per_host - Number of simultaneous connections to one host.
+    enable_cleanup_closed - Enables clean-up closed ssl transports.
+                            Disabled by default.
+    happy_eyeballs_delay - This is the “Connection Attempt Delay”
+                           as defined in RFC 8305. To disable
+                           the happy eyeballs algorithm, set to None.
+    interleave - “First Address Family Count” as defined in RFC 8305
+    loop - Optional event loop.
+    """
+
+    allowed_protocol_schema_set = HIGH_LEVEL_SCHEMA_SET | frozenset({"tcp"})
+
+    def __init__(
+        self,
+        *,
+        verify_ssl: bool = True,
+        fingerprint: Optional[bytes] = None,
+        use_dns_cache: bool = True,
+        ttl_dns_cache: Optional[int] = 10,
+        family: socket.AddressFamily = socket.AddressFamily.AF_UNSPEC,
+        ssl_context: Optional[SSLContext] = None,
+        ssl: Union[bool, Fingerprint, SSLContext] = True,
+        local_addr: Optional[Tuple[str, int]] = None,
+        resolver: Optional[AbstractResolver] = None,
+        keepalive_timeout: Union[None, float, object] = sentinel,
+        force_close: bool = False,
+        limit: int = 100,
+        limit_per_host: int = 0,
+        enable_cleanup_closed: bool = False,
+        loop: Optional[asyncio.AbstractEventLoop] = None,
+        timeout_ceil_threshold: float = 5,
+        happy_eyeballs_delay: Optional[float] = 0.25,
+        interleave: Optional[int] = None,
+    ):
+        super().__init__(
+            keepalive_timeout=keepalive_timeout,
+            force_close=force_close,
+            limit=limit,
+            limit_per_host=limit_per_host,
+            enable_cleanup_closed=enable_cleanup_closed,
+            loop=loop,
+            timeout_ceil_threshold=timeout_ceil_threshold,
+        )
+
+        self._ssl = _merge_ssl_params(ssl, verify_ssl, ssl_context, fingerprint)
+        if resolver is None:
+            resolver = DefaultResolver(loop=self._loop)
+        self._resolver = resolver
+
+        self._use_dns_cache = use_dns_cache
+        self._cached_hosts = _DNSCacheTable(ttl=ttl_dns_cache)
+        self._throttle_dns_futures: Dict[
+            Tuple[str, int], Set["asyncio.Future[None]"]
+        ] = {}
+        self._family = family
+        self._local_addr_infos = aiohappyeyeballs.addr_to_addr_infos(local_addr)
+        self._happy_eyeballs_delay = happy_eyeballs_delay
+        self._interleave = interleave
+        self._resolve_host_tasks: Set["asyncio.Task[List[ResolveResult]]"] = set()
+
+    def close(self) -> Awaitable[None]:
+        """Close all ongoing DNS calls."""
+        for fut in chain.from_iterable(self._throttle_dns_futures.values()):
+            fut.cancel()
+
+        for t in self._resolve_host_tasks:
+            t.cancel()
+
+        return super().close()
+
+    @property
+    def family(self) -> int:
+        """Socket family like AF_INET."""
+        return self._family
+
+    @property
+    def use_dns_cache(self) -> bool:
+        """True if local DNS caching is enabled."""
+        return self._use_dns_cache
+
+    def clear_dns_cache(
+        self, host: Optional[str] = None, port: Optional[int] = None
+    ) -> None:
+        """Remove specified host/port or clear all dns local cache."""
+        if host is not None and port is not None:
+            self._cached_hosts.remove((host, port))
+        elif host is not None or port is not None:
+            raise ValueError("either both host and port or none of them are allowed")
+        else:
+            self._cached_hosts.clear()
+
+    async def _resolve_host(
+        self, host: str, port: int, traces: Optional[Sequence["Trace"]] = None
+    ) -> List[ResolveResult]:
+        """Resolve host and return list of addresses."""
+        if is_ip_address(host):
+            return [
+                {
+                    "hostname": host,
+                    "host": host,
+                    "port": port,
+                    "family": self._family,
+                    "proto": 0,
+                    "flags": 0,
+                }
+            ]
+
+        if not self._use_dns_cache:
+
+            if traces:
+                for trace in traces:
+                    await trace.send_dns_resolvehost_start(host)
+
+            res = await self._resolver.resolve(host, port, family=self._family)
+
+            if traces:
+                for trace in traces:
+                    await trace.send_dns_resolvehost_end(host)
+
+            return res
+
+        key = (host, port)
+        if key in self._cached_hosts and not self._cached_hosts.expired(key):
+            # get result early, before any await (#4014)
+            result = self._cached_hosts.next_addrs(key)
+
+            if traces:
+                for trace in traces:
+                    await trace.send_dns_cache_hit(host)
+            return result
+
+        futures: Set["asyncio.Future[None]"]
+        #
+        # If multiple connectors are resolving the same host, we wait
+        # for the first one to resolve and then use the result for all of them.
+        # We use a throttle to ensure that we only resolve the host once
+        # and then use the result for all the waiters.
+        #
+        if key in self._throttle_dns_futures:
+            # get futures early, before any await (#4014)
+            futures = self._throttle_dns_futures[key]
+            future: asyncio.Future[None] = self._loop.create_future()
+            futures.add(future)
+            if traces:
+                for trace in traces:
+                    await trace.send_dns_cache_hit(host)
+            try:
+                await future
+            finally:
+                futures.discard(future)
+            return self._cached_hosts.next_addrs(key)
+
+        # update dict early, before any await (#4014)
+        self._throttle_dns_futures[key] = futures = set()
+        # In this case we need to create a task to ensure that we can shield
+        # the task from cancellation as cancelling this lookup should not cancel
+        # the underlying lookup or else the cancel event will get broadcast to
+        # all the waiters across all connections.
+        #
+        coro = self._resolve_host_with_throttle(key, host, port, futures, traces)
+        loop = asyncio.get_running_loop()
+        if sys.version_info >= (3, 12):
+            # Optimization for Python 3.12, try to send immediately
+            resolved_host_task = asyncio.Task(coro, loop=loop, eager_start=True)
+        else:
+            resolved_host_task = loop.create_task(coro)
+
+        if not resolved_host_task.done():
+            self._resolve_host_tasks.add(resolved_host_task)
+            resolved_host_task.add_done_callback(self._resolve_host_tasks.discard)
+
+        try:
+            return await asyncio.shield(resolved_host_task)
+        except asyncio.CancelledError:
+
+            def drop_exception(fut: "asyncio.Future[List[ResolveResult]]") -> None:
+                with suppress(Exception, asyncio.CancelledError):
+                    fut.result()
+
+            resolved_host_task.add_done_callback(drop_exception)
+            raise
+
+    async def _resolve_host_with_throttle(
+        self,
+        key: Tuple[str, int],
+        host: str,
+        port: int,
+        futures: Set["asyncio.Future[None]"],
+        traces: Optional[Sequence["Trace"]],
+    ) -> List[ResolveResult]:
+        """Resolve host and set result for all waiters.
+
+        This method must be run in a task and shielded from cancellation
+        to avoid cancelling the underlying lookup.
+        """
+        if traces:
+            for trace in traces:
+                await trace.send_dns_cache_miss(host)
+        try:
+            if traces:
+                for trace in traces:
+                    await trace.send_dns_resolvehost_start(host)
+
+            addrs = await self._resolver.resolve(host, port, family=self._family)
+            if traces:
+                for trace in traces:
+                    await trace.send_dns_resolvehost_end(host)
+
+            self._cached_hosts.add(key, addrs)
+            for fut in futures:
+                set_result(fut, None)
+        except BaseException as e:
+            # any DNS exception is set for the waiters to raise the same exception.
+            # This coro is always run in task that is shielded from cancellation so
+            # we should never be propagating cancellation here.
+            for fut in futures:
+                set_exception(fut, e)
+            raise
+        finally:
+            self._throttle_dns_futures.pop(key)
+
+        return self._cached_hosts.next_addrs(key)
+
+    async def _create_connection(
+        self, req: ClientRequest, traces: List["Trace"], timeout: "ClientTimeout"
+    ) -> ResponseHandler:
+        """Create connection.
+
+        Has same keyword arguments as BaseEventLoop.create_connection.
+        """
+        if req.proxy:
+            _, proto = await self._create_proxy_connection(req, traces, timeout)
+        else:
+            _, proto = await self._create_direct_connection(req, traces, timeout)
+
+        return proto
+
+    def _get_ssl_context(self, req: ClientRequest) -> Optional[SSLContext]:
+        """Logic to get the correct SSL context
+
+        0. if req.ssl is false, return None
+
+        1. if ssl_context is specified in req, use it
+        2. if _ssl_context is specified in self, use it
+        3. otherwise:
+            1. if verify_ssl is not specified in req, use self.ssl_context
+               (will generate a default context according to self.verify_ssl)
+            2. if verify_ssl is True in req, generate a default SSL context
+            3. if verify_ssl is False in req, generate a SSL context that
+               won't verify
+        """
+        if not req.is_ssl():
+            return None
+
+        if ssl is None:  # pragma: no cover
+            raise RuntimeError("SSL is not supported.")
+        sslcontext = req.ssl
+        if isinstance(sslcontext, ssl.SSLContext):
+            return sslcontext
+        if sslcontext is not True:
+            # not verified or fingerprinted
+            return _SSL_CONTEXT_UNVERIFIED
+        sslcontext = self._ssl
+        if isinstance(sslcontext, ssl.SSLContext):
+            return sslcontext
+        if sslcontext is not True:
+            # not verified or fingerprinted
+            return _SSL_CONTEXT_UNVERIFIED
+        return _SSL_CONTEXT_VERIFIED
+
+    def _get_fingerprint(self, req: ClientRequest) -> Optional["Fingerprint"]:
+        ret = req.ssl
+        if isinstance(ret, Fingerprint):
+            return ret
+        ret = self._ssl
+        if isinstance(ret, Fingerprint):
+            return ret
+        return None
+
+    async def _wrap_create_connection(
+        self,
+        *args: Any,
+        addr_infos: List[aiohappyeyeballs.AddrInfoType],
+        req: ClientRequest,
+        timeout: "ClientTimeout",
+        client_error: Type[Exception] = ClientConnectorError,
+        **kwargs: Any,
+    ) -> Tuple[asyncio.Transport, ResponseHandler]:
+        try:
+            async with ceil_timeout(
+                timeout.sock_connect, ceil_threshold=timeout.ceil_threshold
+            ):
+                sock = await aiohappyeyeballs.start_connection(
+                    addr_infos=addr_infos,
+                    local_addr_infos=self._local_addr_infos,
+                    happy_eyeballs_delay=self._happy_eyeballs_delay,
+                    interleave=self._interleave,
+                    loop=self._loop,
+                )
+                return await self._loop.create_connection(*args, **kwargs, sock=sock)
+        except cert_errors as exc:
+            raise ClientConnectorCertificateError(req.connection_key, exc) from exc
+        except ssl_errors as exc:
+            raise ClientConnectorSSLError(req.connection_key, exc) from exc
+        except OSError as exc:
+            if exc.errno is None and isinstance(exc, asyncio.TimeoutError):
+                raise
+            raise client_error(req.connection_key, exc) from exc
+
+    async def _wrap_existing_connection(
+        self,
+        *args: Any,
+        req: ClientRequest,
+        timeout: "ClientTimeout",
+        client_error: Type[Exception] = ClientConnectorError,
+        **kwargs: Any,
+    ) -> Tuple[asyncio.Transport, ResponseHandler]:
+        try:
+            async with ceil_timeout(
+                timeout.sock_connect, ceil_threshold=timeout.ceil_threshold
+            ):
+                return await self._loop.create_connection(*args, **kwargs)
+        except cert_errors as exc:
+            raise ClientConnectorCertificateError(req.connection_key, exc) from exc
+        except ssl_errors as exc:
+            raise ClientConnectorSSLError(req.connection_key, exc) from exc
+        except OSError as exc:
+            if exc.errno is None and isinstance(exc, asyncio.TimeoutError):
+                raise
+            raise client_error(req.connection_key, exc) from exc
+
+    def _fail_on_no_start_tls(self, req: "ClientRequest") -> None:
+        """Raise a :py:exc:`RuntimeError` on missing ``start_tls()``.
+
+        It is necessary for TLS-in-TLS so that it is possible to
+        send HTTPS queries through HTTPS proxies.
+
+        This doesn't affect regular HTTP requests, though.
+        """
+        if not req.is_ssl():
+            return
+
+        proxy_url = req.proxy
+        assert proxy_url is not None
+        if proxy_url.scheme != "https":
+            return
+
+        self._check_loop_for_start_tls()
+
+    def _check_loop_for_start_tls(self) -> None:
+        try:
+            self._loop.start_tls
+        except AttributeError as attr_exc:
+            raise RuntimeError(
+                "An HTTPS request is being sent through an HTTPS proxy. "
+                "This needs support for TLS in TLS but it is not implemented "
+                "in your runtime for the stdlib asyncio.\n\n"
+                "Please upgrade to Python 3.11 or higher. For more details, "
+                "please see:\n"
+                "* https://bugs.python.org/issue37179\n"
+                "* https://github.com/python/cpython/pull/28073\n"
+                "* https://docs.aiohttp.org/en/stable/"
+                "client_advanced.html#proxy-support\n"
+                "* https://github.com/aio-libs/aiohttp/discussions/6044\n",
+            ) from attr_exc
+
+    def _loop_supports_start_tls(self) -> bool:
+        try:
+            self._check_loop_for_start_tls()
+        except RuntimeError:
+            return False
+        else:
+            return True
+
+    def _warn_about_tls_in_tls(
+        self,
+        underlying_transport: asyncio.Transport,
+        req: ClientRequest,
+    ) -> None:
+        """Issue a warning if the requested URL has HTTPS scheme."""
+        if req.request_info.url.scheme != "https":
+            return
+
+        asyncio_supports_tls_in_tls = getattr(
+            underlying_transport,
+            "_start_tls_compatible",
+            False,
+        )
+
+        if asyncio_supports_tls_in_tls:
+            return
+
+        warnings.warn(
+            "An HTTPS request is being sent through an HTTPS proxy. "
+            "This support for TLS in TLS is known to be disabled "
+            "in the stdlib asyncio (Python <3.11). This is why you'll probably see "
+            "an error in the log below.\n\n"
+            "It is possible to enable it via monkeypatching. "
+            "For more details, see:\n"
+            "* https://bugs.python.org/issue37179\n"
+            "* https://github.com/python/cpython/pull/28073\n\n"
+            "You can temporarily patch this as follows:\n"
+            "* https://docs.aiohttp.org/en/stable/client_advanced.html#proxy-support\n"
+            "* https://github.com/aio-libs/aiohttp/discussions/6044\n",
+            RuntimeWarning,
+            source=self,
+            # Why `4`? At least 3 of the calls in the stack originate
+            # from the methods in this class.
+            stacklevel=3,
+        )
+
+    async def _start_tls_connection(
+        self,
+        underlying_transport: asyncio.Transport,
+        req: ClientRequest,
+        timeout: "ClientTimeout",
+        client_error: Type[Exception] = ClientConnectorError,
+    ) -> Tuple[asyncio.BaseTransport, ResponseHandler]:
+        """Wrap the raw TCP transport with TLS."""
+        tls_proto = self._factory()  # Create a brand new proto for TLS
+        sslcontext = self._get_ssl_context(req)
+        if TYPE_CHECKING:
+            # _start_tls_connection is unreachable in the current code path
+            # if sslcontext is None.
+            assert sslcontext is not None
+
+        try:
+            async with ceil_timeout(
+                timeout.sock_connect, ceil_threshold=timeout.ceil_threshold
+            ):
+                try:
+                    tls_transport = await self._loop.start_tls(
+                        underlying_transport,
+                        tls_proto,
+                        sslcontext,
+                        server_hostname=req.server_hostname or req.host,
+                        ssl_handshake_timeout=timeout.total,
+                    )
+                except BaseException:
+                    # We need to close the underlying transport since
+                    # `start_tls()` probably failed before it had a
+                    # chance to do this:
+                    underlying_transport.close()
+                    raise
+                if isinstance(tls_transport, asyncio.Transport):
+                    fingerprint = self._get_fingerprint(req)
+                    if fingerprint:
+                        try:
+                            fingerprint.check(tls_transport)
+                        except ServerFingerprintMismatch:
+                            tls_transport.close()
+                            if not self._cleanup_closed_disabled:
+                                self._cleanup_closed_transports.append(tls_transport)
+                            raise
+        except cert_errors as exc:
+            raise ClientConnectorCertificateError(req.connection_key, exc) from exc
+        except ssl_errors as exc:
+            raise ClientConnectorSSLError(req.connection_key, exc) from exc
+        except OSError as exc:
+            if exc.errno is None and isinstance(exc, asyncio.TimeoutError):
+                raise
+            raise client_error(req.connection_key, exc) from exc
+        except TypeError as type_err:
+            # Example cause looks like this:
+            # TypeError: transport <asyncio.sslproto._SSLProtocolTransport
+            # object at 0x7f760615e460> is not supported by start_tls()
+
+            raise ClientConnectionError(
+                "Cannot initialize a TLS-in-TLS connection to host "
+                f"{req.host!s}:{req.port:d} through an underlying connection "
+                f"to an HTTPS proxy {req.proxy!s} ssl:{req.ssl or 'default'} "
+                f"[{type_err!s}]"
+            ) from type_err
+        else:
+            if tls_transport is None:
+                msg = "Failed to start TLS (possibly caused by closing transport)"
+                raise client_error(req.connection_key, OSError(msg))
+            tls_proto.connection_made(
+                tls_transport
+            )  # Kick the state machine of the new TLS protocol
+
+        return tls_transport, tls_proto
+
+    def _convert_hosts_to_addr_infos(
+        self, hosts: List[ResolveResult]
+    ) -> List[aiohappyeyeballs.AddrInfoType]:
+        """Converts the list of hosts to a list of addr_infos.
+
+        The list of hosts is the result of a DNS lookup. The list of
+        addr_infos is the result of a call to `socket.getaddrinfo()`.
+        """
+        addr_infos: List[aiohappyeyeballs.AddrInfoType] = []
+        for hinfo in hosts:
+            host = hinfo["host"]
+            is_ipv6 = ":" in host
+            family = socket.AF_INET6 if is_ipv6 else socket.AF_INET
+            if self._family and self._family != family:
+                continue
+            addr = (host, hinfo["port"], 0, 0) if is_ipv6 else (host, hinfo["port"])
+            addr_infos.append(
+                (family, socket.SOCK_STREAM, socket.IPPROTO_TCP, "", addr)
+            )
+        return addr_infos
+
+    async def _create_direct_connection(
+        self,
+        req: ClientRequest,
+        traces: List["Trace"],
+        timeout: "ClientTimeout",
+        *,
+        client_error: Type[Exception] = ClientConnectorError,
+    ) -> Tuple[asyncio.Transport, ResponseHandler]:
+        sslcontext = self._get_ssl_context(req)
+        fingerprint = self._get_fingerprint(req)
+
+        host = req.url.raw_host
+        assert host is not None
+        # Replace multiple trailing dots with a single one.
+        # A trailing dot is only present for fully-qualified domain names.
+        # See https://github.com/aio-libs/aiohttp/pull/7364.
+        if host.endswith(".."):
+            host = host.rstrip(".") + "."
+        port = req.port
+        assert port is not None
+        try:
+            # Cancelling this lookup should not cancel the underlying lookup
+            #  or else the cancel event will get broadcast to all the waiters
+            #  across all connections.
+            hosts = await self._resolve_host(host, port, traces=traces)
+        except OSError as exc:
+            if exc.errno is None and isinstance(exc, asyncio.TimeoutError):
+                raise
+            # in case of proxy it is not ClientProxyConnectionError
+            # it is problem of resolving proxy ip itself
+            raise ClientConnectorDNSError(req.connection_key, exc) from exc
+
+        last_exc: Optional[Exception] = None
+        addr_infos = self._convert_hosts_to_addr_infos(hosts)
+        while addr_infos:
+            # Strip trailing dots, certificates contain FQDN without dots.
+            # See https://github.com/aio-libs/aiohttp/issues/3636
+            server_hostname = (
+                (req.server_hostname or host).rstrip(".") if sslcontext else None
+            )
+
+            try:
+                transp, proto = await self._wrap_create_connection(
+                    self._factory,
+                    timeout=timeout,
+                    ssl=sslcontext,
+                    addr_infos=addr_infos,
+                    server_hostname=server_hostname,
+                    req=req,
+                    client_error=client_error,
+                )
+            except (ClientConnectorError, asyncio.TimeoutError) as exc:
+                last_exc = exc
+                aiohappyeyeballs.pop_addr_infos_interleave(addr_infos, self._interleave)
+                continue
+
+            if req.is_ssl() and fingerprint:
+                try:
+                    fingerprint.check(transp)
+                except ServerFingerprintMismatch as exc:
+                    transp.close()
+                    if not self._cleanup_closed_disabled:
+                        self._cleanup_closed_transports.append(transp)
+                    last_exc = exc
+                    # Remove the bad peer from the list of addr_infos
+                    sock: socket.socket = transp.get_extra_info("socket")
+                    bad_peer = sock.getpeername()
+                    aiohappyeyeballs.remove_addr_infos(addr_infos, bad_peer)
+                    continue
+
+            return transp, proto
+        else:
+            assert last_exc is not None
+            raise last_exc
+
+    async def _create_proxy_connection(
+        self, req: ClientRequest, traces: List["Trace"], timeout: "ClientTimeout"
+    ) -> Tuple[asyncio.BaseTransport, ResponseHandler]:
+        self._fail_on_no_start_tls(req)
+        runtime_has_start_tls = self._loop_supports_start_tls()
+
+        headers: Dict[str, str] = {}
+        if req.proxy_headers is not None:
+            headers = req.proxy_headers  # type: ignore[assignment]
+        headers[hdrs.HOST] = req.headers[hdrs.HOST]
+
+        url = req.proxy
+        assert url is not None
+        proxy_req = ClientRequest(
+            hdrs.METH_GET,
+            url,
+            headers=headers,
+            auth=req.proxy_auth,
+            loop=self._loop,
+            ssl=req.ssl,
+        )
+
+        # create connection to proxy server
+        transport, proto = await self._create_direct_connection(
+            proxy_req, [], timeout, client_error=ClientProxyConnectionError
+        )
+
+        auth = proxy_req.headers.pop(hdrs.AUTHORIZATION, None)
+        if auth is not None:
+            if not req.is_ssl():
+                req.headers[hdrs.PROXY_AUTHORIZATION] = auth
+            else:
+                proxy_req.headers[hdrs.PROXY_AUTHORIZATION] = auth
+
+        if req.is_ssl():
+            if runtime_has_start_tls:
+                self._warn_about_tls_in_tls(transport, req)
+
+            # For HTTPS requests over HTTP proxy
+            # we must notify proxy to tunnel connection
+            # so we send CONNECT command:
+            #   CONNECT www.python.org:443 HTTP/1.1
+            #   Host: www.python.org
+            #
+            # next we must do TLS handshake and so on
+            # to do this we must wrap raw socket into secure one
+            # asyncio handles this perfectly
+            proxy_req.method = hdrs.METH_CONNECT
+            proxy_req.url = req.url
+            key = req.connection_key._replace(
+                proxy=None, proxy_auth=None, proxy_headers_hash=None
+            )
+            conn = Connection(self, key, proto, self._loop)
+            proxy_resp = await proxy_req.send(conn)
+            try:
+                protocol = conn._protocol
+                assert protocol is not None
+
+                # read_until_eof=True will ensure the connection isn't closed
+                # once the response is received and processed allowing
+                # START_TLS to work on the connection below.
+                protocol.set_response_params(
+                    read_until_eof=runtime_has_start_tls,
+                    timeout_ceil_threshold=self._timeout_ceil_threshold,
+                )
+                resp = await proxy_resp.start(conn)
+            except BaseException:
+                proxy_resp.close()
+                conn.close()
+                raise
+            else:
+                conn._protocol = None
+                try:
+                    if resp.status != 200:
+                        message = resp.reason
+                        if message is None:
+                            message = HTTPStatus(resp.status).phrase
+                        raise ClientHttpProxyError(
+                            proxy_resp.request_info,
+                            resp.history,
+                            status=resp.status,
+                            message=message,
+                            headers=resp.headers,
+                        )
+                    if not runtime_has_start_tls:
+                        rawsock = transport.get_extra_info("socket", default=None)
+                        if rawsock is None:
+                            raise RuntimeError(
+                                "Transport does not expose socket instance"
+                            )
+                        # Duplicate the socket, so now we can close proxy transport
+                        rawsock = rawsock.dup()
+                except BaseException:
+                    # It shouldn't be closed in `finally` because it's fed to
+                    # `loop.start_tls()` and the docs say not to touch it after
+                    # passing there.
+                    transport.close()
+                    raise
+                finally:
+                    if not runtime_has_start_tls:
+                        transport.close()
+
+                if not runtime_has_start_tls:
+                    # HTTP proxy with support for upgrade to HTTPS
+                    sslcontext = self._get_ssl_context(req)
+                    return await self._wrap_existing_connection(
+                        self._factory,
+                        timeout=timeout,
+                        ssl=sslcontext,
+                        sock=rawsock,
+                        server_hostname=req.host,
+                        req=req,
+                    )
+
+                return await self._start_tls_connection(
+                    # Access the old transport for the last time before it's
+                    # closed and forgotten forever:
+                    transport,
+                    req=req,
+                    timeout=timeout,
+                )
+            finally:
+                proxy_resp.close()
+
+        return transport, proto
+
+
+class UnixConnector(BaseConnector):
+    """Unix socket connector.
+
+    path - Unix socket path.
+    keepalive_timeout - (optional) Keep-alive timeout.
+    force_close - Set to True to force close and do reconnect
+        after each request (and between redirects).
+    limit - The total number of simultaneous connections.
+    limit_per_host - Number of simultaneous connections to one host.
+    loop - Optional event loop.
+    """
+
+    allowed_protocol_schema_set = HIGH_LEVEL_SCHEMA_SET | frozenset({"unix"})
+
+    def __init__(
+        self,
+        path: str,
+        force_close: bool = False,
+        keepalive_timeout: Union[object, float, None] = sentinel,
+        limit: int = 100,
+        limit_per_host: int = 0,
+        loop: Optional[asyncio.AbstractEventLoop] = None,
+    ) -> None:
+        super().__init__(
+            force_close=force_close,
+            keepalive_timeout=keepalive_timeout,
+            limit=limit,
+            limit_per_host=limit_per_host,
+            loop=loop,
+        )
+        self._path = path
+
+    @property
+    def path(self) -> str:
+        """Path to unix socket."""
+        return self._path
+
+    async def _create_connection(
+        self, req: ClientRequest, traces: List["Trace"], timeout: "ClientTimeout"
+    ) -> ResponseHandler:
+        try:
+            async with ceil_timeout(
+                timeout.sock_connect, ceil_threshold=timeout.ceil_threshold
+            ):
+                _, proto = await self._loop.create_unix_connection(
+                    self._factory, self._path
+                )
+        except OSError as exc:
+            if exc.errno is None and isinstance(exc, asyncio.TimeoutError):
+                raise
+            raise UnixClientConnectorError(self.path, req.connection_key, exc) from exc
+
+        return proto
+
+
+class NamedPipeConnector(BaseConnector):
+    """Named pipe connector.
+
+    Only supported by the proactor event loop.
+    See also: https://docs.python.org/3/library/asyncio-eventloop.html
+
+    path - Windows named pipe path.
+    keepalive_timeout - (optional) Keep-alive timeout.
+    force_close - Set to True to force close and do reconnect
+        after each request (and between redirects).
+    limit - The total number of simultaneous connections.
+    limit_per_host - Number of simultaneous connections to one host.
+    loop - Optional event loop.
+    """
+
+    allowed_protocol_schema_set = HIGH_LEVEL_SCHEMA_SET | frozenset({"npipe"})
+
+    def __init__(
+        self,
+        path: str,
+        force_close: bool = False,
+        keepalive_timeout: Union[object, float, None] = sentinel,
+        limit: int = 100,
+        limit_per_host: int = 0,
+        loop: Optional[asyncio.AbstractEventLoop] = None,
+    ) -> None:
+        super().__init__(
+            force_close=force_close,
+            keepalive_timeout=keepalive_timeout,
+            limit=limit,
+            limit_per_host=limit_per_host,
+            loop=loop,
+        )
+        if not isinstance(
+            self._loop, asyncio.ProactorEventLoop  # type: ignore[attr-defined]
+        ):
+            raise RuntimeError(
+                "Named Pipes only available in proactor loop under windows"
+            )
+        self._path = path
+
+    @property
+    def path(self) -> str:
+        """Path to the named pipe."""
+        return self._path
+
+    async def _create_connection(
+        self, req: ClientRequest, traces: List["Trace"], timeout: "ClientTimeout"
+    ) -> ResponseHandler:
+        try:
+            async with ceil_timeout(
+                timeout.sock_connect, ceil_threshold=timeout.ceil_threshold
+            ):
+                _, proto = await self._loop.create_pipe_connection(  # type: ignore[attr-defined]
+                    self._factory, self._path
+                )
+                # the drain is required so that the connection_made is called
+                # and transport is set otherwise it is not set before the
+                # `assert conn.transport is not None`
+                # in client.py's _request method
+                await asyncio.sleep(0)
+                # other option is to manually set transport like
+                # `proto.transport = trans`
+        except OSError as exc:
+            if exc.errno is None and isinstance(exc, asyncio.TimeoutError):
+                raise
+            raise ClientConnectorError(req.connection_key, exc) from exc
+
+        return cast(ResponseHandler, proto)

evalkit_cambrian/lib/python3.10/site-packages/aiohttp/hdrs.py

@@ -0,0 +1,121 @@
+"""HTTP Headers constants."""
+
+# After changing the file content call ./tools/gen.py
+# to regenerate the headers parser
+import itertools
+from typing import Final, Set
+
+from multidict import istr
+
+METH_ANY: Final[str] = "*"
+METH_CONNECT: Final[str] = "CONNECT"
+METH_HEAD: Final[str] = "HEAD"
+METH_GET: Final[str] = "GET"
+METH_DELETE: Final[str] = "DELETE"
+METH_OPTIONS: Final[str] = "OPTIONS"
+METH_PATCH: Final[str] = "PATCH"
+METH_POST: Final[str] = "POST"
+METH_PUT: Final[str] = "PUT"
+METH_TRACE: Final[str] = "TRACE"
+
+METH_ALL: Final[Set[str]] = {
+    METH_CONNECT,
+    METH_HEAD,
+    METH_GET,
+    METH_DELETE,
+    METH_OPTIONS,
+    METH_PATCH,
+    METH_POST,
+    METH_PUT,
+    METH_TRACE,
+}
+
+ACCEPT: Final[istr] = istr("Accept")
+ACCEPT_CHARSET: Final[istr] = istr("Accept-Charset")
+ACCEPT_ENCODING: Final[istr] = istr("Accept-Encoding")
+ACCEPT_LANGUAGE: Final[istr] = istr("Accept-Language")
+ACCEPT_RANGES: Final[istr] = istr("Accept-Ranges")
+ACCESS_CONTROL_MAX_AGE: Final[istr] = istr("Access-Control-Max-Age")
+ACCESS_CONTROL_ALLOW_CREDENTIALS: Final[istr] = istr("Access-Control-Allow-Credentials")
+ACCESS_CONTROL_ALLOW_HEADERS: Final[istr] = istr("Access-Control-Allow-Headers")
+ACCESS_CONTROL_ALLOW_METHODS: Final[istr] = istr("Access-Control-Allow-Methods")
+ACCESS_CONTROL_ALLOW_ORIGIN: Final[istr] = istr("Access-Control-Allow-Origin")
+ACCESS_CONTROL_EXPOSE_HEADERS: Final[istr] = istr("Access-Control-Expose-Headers")
+ACCESS_CONTROL_REQUEST_HEADERS: Final[istr] = istr("Access-Control-Request-Headers")
+ACCESS_CONTROL_REQUEST_METHOD: Final[istr] = istr("Access-Control-Request-Method")
+AGE: Final[istr] = istr("Age")
+ALLOW: Final[istr] = istr("Allow")
+AUTHORIZATION: Final[istr] = istr("Authorization")
+CACHE_CONTROL: Final[istr] = istr("Cache-Control")
+CONNECTION: Final[istr] = istr("Connection")
+CONTENT_DISPOSITION: Final[istr] = istr("Content-Disposition")
+CONTENT_ENCODING: Final[istr] = istr("Content-Encoding")
+CONTENT_LANGUAGE: Final[istr] = istr("Content-Language")
+CONTENT_LENGTH: Final[istr] = istr("Content-Length")
+CONTENT_LOCATION: Final[istr] = istr("Content-Location")
+CONTENT_MD5: Final[istr] = istr("Content-MD5")
+CONTENT_RANGE: Final[istr] = istr("Content-Range")
+CONTENT_TRANSFER_ENCODING: Final[istr] = istr("Content-Transfer-Encoding")
+CONTENT_TYPE: Final[istr] = istr("Content-Type")
+COOKIE: Final[istr] = istr("Cookie")
+DATE: Final[istr] = istr("Date")
+DESTINATION: Final[istr] = istr("Destination")
+DIGEST: Final[istr] = istr("Digest")
+ETAG: Final[istr] = istr("Etag")
+EXPECT: Final[istr] = istr("Expect")
+EXPIRES: Final[istr] = istr("Expires")
+FORWARDED: Final[istr] = istr("Forwarded")
+FROM: Final[istr] = istr("From")
+HOST: Final[istr] = istr("Host")
+IF_MATCH: Final[istr] = istr("If-Match")
+IF_MODIFIED_SINCE: Final[istr] = istr("If-Modified-Since")
+IF_NONE_MATCH: Final[istr] = istr("If-None-Match")
+IF_RANGE: Final[istr] = istr("If-Range")
+IF_UNMODIFIED_SINCE: Final[istr] = istr("If-Unmodified-Since")
+KEEP_ALIVE: Final[istr] = istr("Keep-Alive")
+LAST_EVENT_ID: Final[istr] = istr("Last-Event-ID")
+LAST_MODIFIED: Final[istr] = istr("Last-Modified")
+LINK: Final[istr] = istr("Link")
+LOCATION: Final[istr] = istr("Location")
+MAX_FORWARDS: Final[istr] = istr("Max-Forwards")
+ORIGIN: Final[istr] = istr("Origin")
+PRAGMA: Final[istr] = istr("Pragma")
+PROXY_AUTHENTICATE: Final[istr] = istr("Proxy-Authenticate")
+PROXY_AUTHORIZATION: Final[istr] = istr("Proxy-Authorization")
+RANGE: Final[istr] = istr("Range")
+REFERER: Final[istr] = istr("Referer")
+RETRY_AFTER: Final[istr] = istr("Retry-After")
+SEC_WEBSOCKET_ACCEPT: Final[istr] = istr("Sec-WebSocket-Accept")
+SEC_WEBSOCKET_VERSION: Final[istr] = istr("Sec-WebSocket-Version")
+SEC_WEBSOCKET_PROTOCOL: Final[istr] = istr("Sec-WebSocket-Protocol")
+SEC_WEBSOCKET_EXTENSIONS: Final[istr] = istr("Sec-WebSocket-Extensions")
+SEC_WEBSOCKET_KEY: Final[istr] = istr("Sec-WebSocket-Key")
+SEC_WEBSOCKET_KEY1: Final[istr] = istr("Sec-WebSocket-Key1")
+SERVER: Final[istr] = istr("Server")
+SET_COOKIE: Final[istr] = istr("Set-Cookie")
+TE: Final[istr] = istr("TE")
+TRAILER: Final[istr] = istr("Trailer")
+TRANSFER_ENCODING: Final[istr] = istr("Transfer-Encoding")
+UPGRADE: Final[istr] = istr("Upgrade")
+URI: Final[istr] = istr("URI")
+USER_AGENT: Final[istr] = istr("User-Agent")
+VARY: Final[istr] = istr("Vary")
+VIA: Final[istr] = istr("Via")
+WANT_DIGEST: Final[istr] = istr("Want-Digest")
+WARNING: Final[istr] = istr("Warning")
+WWW_AUTHENTICATE: Final[istr] = istr("WWW-Authenticate")
+X_FORWARDED_FOR: Final[istr] = istr("X-Forwarded-For")
+X_FORWARDED_HOST: Final[istr] = istr("X-Forwarded-Host")
+X_FORWARDED_PROTO: Final[istr] = istr("X-Forwarded-Proto")
+
+# These are the upper/lower case variants of the headers/methods
+# Example: {'hOst', 'host', 'HoST', 'HOSt', 'hOsT', 'HosT', 'hoSt', ...}
+METH_HEAD_ALL: Final = frozenset(
+    map("".join, itertools.product(*zip(METH_HEAD.upper(), METH_HEAD.lower())))
+)
+METH_CONNECT_ALL: Final = frozenset(
+    map("".join, itertools.product(*zip(METH_CONNECT.upper(), METH_CONNECT.lower())))
+)
+HOST_ALL: Final = frozenset(
+    map("".join, itertools.product(*zip(HOST.upper(), HOST.lower())))
+)

evalkit_cambrian/lib/python3.10/site-packages/aiohttp/http_websocket.py

@@ -0,0 +1,36 @@
+"""WebSocket protocol versions 13 and 8."""
+
+from ._websocket.helpers import WS_KEY, ws_ext_gen, ws_ext_parse
+from ._websocket.models import (
+    WS_CLOSED_MESSAGE,
+    WS_CLOSING_MESSAGE,
+    WebSocketError,
+    WSCloseCode,
+    WSHandshakeError,
+    WSMessage,
+    WSMsgType,
+)
+from ._websocket.reader import WebSocketReader
+from ._websocket.writer import WebSocketWriter
+
+# Messages that the WebSocketResponse.receive needs to handle internally
+_INTERNAL_RECEIVE_TYPES = frozenset(
+    (WSMsgType.CLOSE, WSMsgType.CLOSING, WSMsgType.PING, WSMsgType.PONG)
+)
+
+
+__all__ = (
+    "WS_CLOSED_MESSAGE",
+    "WS_CLOSING_MESSAGE",
+    "WS_KEY",
+    "WebSocketReader",
+    "WebSocketWriter",
+    "WSMessage",
+    "WebSocketError",
+    "WSMsgType",
+    "WSCloseCode",
+    "ws_ext_gen",
+    "ws_ext_parse",
+    "WSHandshakeError",
+    "WSMessage",
+)