From 2733055f8c0d34f6060f32d8e94acf8991f6ec92 Mon Sep 17 00:00:00 2001
From: donbarbos <donbarbos@proton.me>
Date: Tue, 25 Aug 2026 12:44:29 +0400
Subject: [PATCH] [gunicorn] Update to 26.2.0

Closes: #16296
---
 stubs/gunicorn/@tests/stubtest_allowlist.txt  |  5 ++++
 stubs/gunicorn/METADATA.toml                  |  2 +-
 stubs/gunicorn/gunicorn/asgi/parser.pyi       |  3 +++
 stubs/gunicorn/gunicorn/config.pyi            | 13 +++++++++
 stubs/gunicorn/gunicorn/http/errors.pyi       |  4 +++
 stubs/gunicorn/gunicorn/http/message.pyi      | 10 ++++---
 stubs/gunicorn/gunicorn/http/unreader.pyi     |  1 +
 stubs/gunicorn/gunicorn/http/wsgi.pyi         | 24 ++++++++++++++---
 .../gunicorn/http2/async_connection.pyi       |  4 +++
 stubs/gunicorn/gunicorn/http2/connection.pyi  |  6 +++++
 stubs/gunicorn/gunicorn/http2/negotiation.pyi | 27 +++++++++++++++++++
 stubs/gunicorn/gunicorn/http2/request.pyi     |  3 ++-
 stubs/gunicorn/gunicorn/http2/response.pyi    | 17 ++++++++++++
 .../gunicorn/gunicorn/workers/base_async.pyi  |  9 ++++++-
 stubs/gunicorn/gunicorn/workers/gthread.pyi   |  1 +
 15 files changed, 120 insertions(+), 9 deletions(-)
 create mode 100644 stubs/gunicorn/gunicorn/http2/negotiation.pyi
 create mode 100644 stubs/gunicorn/gunicorn/http2/response.pyi

diff --git a/stubs/gunicorn/@tests/stubtest_allowlist.txt b/stubs/gunicorn/@tests/stubtest_allowlist.txt
index c5b7678827c3..771d1891e68d 100644
--- a/stubs/gunicorn/@tests/stubtest_allowlist.txt
+++ b/stubs/gunicorn/@tests/stubtest_allowlist.txt
@@ -7,3 +7,8 @@ gunicorn.__main__
 # Internal API stuff:
 gunicorn.config.Config.forwarded_allow_networks
 gunicorn.config.Config.proxy_allow_networks
+
+# Set to None on class, but initialized to non-None value in __init__
+gunicorn.http.message.Message.scheme
+gunicorn.http2.request.HTTP2Request.scheme
+gunicorn.http2.request.HTTP2Request.version
diff --git a/stubs/gunicorn/METADATA.toml b/stubs/gunicorn/METADATA.toml
index 5464efe0bd00..60913393ea88 100644
--- a/stubs/gunicorn/METADATA.toml
+++ b/stubs/gunicorn/METADATA.toml
@@ -1,4 +1,4 @@
-version = "26.1.0"
+version = "26.2.0"
 upstream-repository = "https://github.com/benoitc/gunicorn"
 optional-dependencies = ["types-gevent"]
 
diff --git a/stubs/gunicorn/gunicorn/asgi/parser.pyi b/stubs/gunicorn/gunicorn/asgi/parser.pyi
index 1cdb54519985..294d7681f0e0 100644
--- a/stubs/gunicorn/gunicorn/asgi/parser.pyi
+++ b/stubs/gunicorn/gunicorn/asgi/parser.pyi
@@ -115,6 +115,9 @@ class PythonProtocol:
         proxy_protocol: Literal["off", "v1", "v2", "auto"] = "off",
     ) -> None: ...
     def feed(self, data: Iterable[SupportsIndex]) -> None: ...
+    def remaining(self) -> bytes: ...
+    @property
+    def remaining_truncated(self) -> Literal[False]: ...
     @property
     def proxy_protocol_info(self) -> _ProxyProtocolInfo | _ProxyProtocolInfoUnknown | None: ...
     def reset(self) -> None: ...
diff --git a/stubs/gunicorn/gunicorn/config.pyi b/stubs/gunicorn/gunicorn/config.pyi
index c8ef8e0da045..390a6d591365 100644
--- a/stubs/gunicorn/gunicorn/config.pyi
+++ b/stubs/gunicorn/gunicorn/config.pyi
@@ -76,6 +76,7 @@ _ASGILifespanValidatorType: TypeAlias = Callable[[str | None], str]
 _HTTP2FrameSizeValidatorType: TypeAlias = Callable[[ConvertibleToInt], int]
 _HTTPProtocolsValidatorType: TypeAlias = Callable[[str | None], list[str]]
 _HttpParserValidatorType: TypeAlias = Callable[[str | None], str]
+_HTTP2CleartextValidatorType: TypeAlias = Callable[[str | bool | None], str]
 
 _ValidatorType: TypeAlias = (  # noqa: Y047
     _BoolValidatorType
@@ -93,6 +94,7 @@ _ValidatorType: TypeAlias = (  # noqa: Y047
     | _HTTP2FrameSizeValidatorType
     | _HTTPProtocolsValidatorType
     | _HttpParserValidatorType
+    | _HTTP2CleartextValidatorType
 )
 
 KNOWN_SETTINGS: list[Setting]
@@ -169,6 +171,8 @@ class Setting(metaclass=SettingMeta):
 
     __cmp__ = __lt__
 
+def validate_http2_cleartext(val: str | bool | None) -> str: ...
+
 @overload
 def validate_bool(val: bool) -> bool: ...
 @overload
@@ -1054,6 +1058,15 @@ class HTTPProtocols(Setting):
     default: ClassVar[str]
     desc: ClassVar[str]
 
+class HTTP2Cleartext(Setting):
+    name: ClassVar[str]
+    section: ClassVar[str]
+    cli: ClassVar[list[str]]
+    meta: ClassVar[str]
+    validator: ClassVar[_HTTP2CleartextValidatorType]
+    default: ClassVar[str]
+    desc: ClassVar[str]
+
 class HTTP2MaxConcurrentStreams(Setting):
     name: ClassVar[str]
     section: ClassVar[str]
diff --git a/stubs/gunicorn/gunicorn/http/errors.pyi b/stubs/gunicorn/gunicorn/http/errors.pyi
index a7698a0973bc..0e775b72a6f4 100644
--- a/stubs/gunicorn/gunicorn/http/errors.pyi
+++ b/stubs/gunicorn/gunicorn/http/errors.pyi
@@ -102,3 +102,7 @@ class ForbiddenProxyRequest(ParseException):
     def __init__(self, host: str) -> None: ...
 
 class InvalidSchemeHeaders(ParseException): ...
+
+class InvalidH2CPreface(ParseException):
+    data: bytes
+    def __init__(self, data: bytes) -> None: ...
diff --git a/stubs/gunicorn/gunicorn/http/message.pyi b/stubs/gunicorn/gunicorn/http/message.pyi
index 3f593c5aaeec..c7b7da7d5e12 100644
--- a/stubs/gunicorn/gunicorn/http/message.pyi
+++ b/stubs/gunicorn/gunicorn/http/message.pyi
@@ -1,7 +1,7 @@
 import io
 import re
 from enum import IntEnum
-from typing import Final
+from typing import Final, Literal
 
 from gunicorn.config import Config
 from gunicorn.http.body import Body
@@ -38,7 +38,11 @@ RFC9110_5_5_INVALID_AND_DANGEROUS: Final[re.Pattern[str]]
 RFC9110_6_5_1_FORBIDDEN_TRAILER: Final[frozenset[str]]
 RFC9110_5_3_SINGLETON_FIELDS: Final[frozenset[str]]
 
-class Message:
+class HeaderPolicy:
+    scheme: str | None
+    version: tuple[int, int] | None
+
+class Message(HeaderPolicy):
     cfg: Config
     unreader: Unreader
     peer_addr: _AddressType
@@ -47,7 +51,7 @@ class Message:
     headers: list[tuple[str, str]]
     trailers: list[tuple[str, str]]
     body: Body | None
-    scheme: str
+    scheme: Literal["https", "http"]
     must_close: bool
     limit_request_fields: int
     limit_request_field_size: int
diff --git a/stubs/gunicorn/gunicorn/http/unreader.pyi b/stubs/gunicorn/gunicorn/http/unreader.pyi
index be3da9d5d948..bfc9992b9506 100644
--- a/stubs/gunicorn/gunicorn/http/unreader.pyi
+++ b/stubs/gunicorn/gunicorn/http/unreader.pyi
@@ -8,6 +8,7 @@ class Unreader:
 
     def __init__(self) -> None: ...
     def chunk(self) -> bytes: ...
+    def take_buffered(self) -> bytes: ...
     def read(self, size: int | None = None) -> bytes: ...
     def unread(self, data: ReadableBuffer) -> None: ...
 
diff --git a/stubs/gunicorn/gunicorn/http/wsgi.pyi b/stubs/gunicorn/gunicorn/http/wsgi.pyi
index 3c44489fd5c7..cbf843149c9d 100644
--- a/stubs/gunicorn/gunicorn/http/wsgi.pyi
+++ b/stubs/gunicorn/gunicorn/http/wsgi.pyi
@@ -2,9 +2,9 @@ import io
 import logging
 import re
 import socket
-from _typeshed import ReadableBuffer, Unused
+from _typeshed import Incomplete, ReadableBuffer, Unused
 from collections.abc import Callable
-from typing import Any, Final, Protocol, type_check_only
+from typing import Any, Final, Protocol, overload, type_check_only
 from typing_extensions import Self
 
 from gunicorn.config import Config
@@ -44,9 +44,27 @@ class WSGIErrorsWrapper(io.RawIOBase):
 def base_environ(cfg: Config) -> _EnvironType: ...
 def default_environ(req: Request, sock: socket.socket, cfg: Config) -> _EnvironType: ...
 def proxy_environ(req: Request) -> _EnvironType: ...
+
+@overload
 def create(
-    req: Request, sock: socket.socket, client: _AddressType, server: _AddressType, cfg: Config
+    req: Request,
+    sock: socket.socket,
+    client: _AddressType,
+    server: _AddressType,
+    cfg: Config,
+    response_class: type[Response] | None = None,
+    response_args: tuple[Incomplete, ...] = (),
 ) -> tuple[Response, _EnvironType]: ...
+@overload
+def create(
+    req: Request,
+    sock: socket.socket,
+    client: _AddressType,
+    server: _AddressType,
+    cfg: Config,
+    response_class: type[Incomplete],
+    response_args: tuple[Incomplete, ...] = (),
+) -> tuple[Incomplete, _EnvironType]: ...
 
 class Response:
     req: Request
diff --git a/stubs/gunicorn/gunicorn/http2/async_connection.pyi b/stubs/gunicorn/gunicorn/http2/async_connection.pyi
index 12fbc8524366..1cc1d687ea03 100644
--- a/stubs/gunicorn/gunicorn/http2/async_connection.pyi
+++ b/stubs/gunicorn/gunicorn/http2/async_connection.pyi
@@ -4,6 +4,7 @@ from collections.abc import Iterable
 from typing import ClassVar
 
 from gunicorn.config import Config
+from gunicorn.http.message import Request
 from gunicorn.http2.connection import _H2Connection
 from gunicorn.http2.request import HTTP2Request
 from gunicorn.http2.stream import HTTP2Stream
@@ -25,6 +26,9 @@ class AsyncHTTP2Connection:
 
     def __init__(self, cfg: Config, reader: StreamReader, writer: StreamWriter, client_addr: _AddressType) -> None: ...
     async def initiate_connection(self) -> None: ...
+    async def initiate_upgrade(
+        self, settings_header: bytes | None, http1_req: Request, body: bytes | None = b""
+    ) -> HTTP2Request: ...
     async def receive_data(self, timeout: float | None = None) -> list[HTTP2Request]: ...
     async def send_informational(self, stream_id: int, status: int, headers: Iterable[tuple[str, Incomplete]]) -> None: ...
     async def send_response(
diff --git a/stubs/gunicorn/gunicorn/http2/connection.pyi b/stubs/gunicorn/gunicorn/http2/connection.pyi
index 5ef587127e7f..d4425d160b6d 100644
--- a/stubs/gunicorn/gunicorn/http2/connection.pyi
+++ b/stubs/gunicorn/gunicorn/http2/connection.pyi
@@ -4,6 +4,7 @@ from ssl import SSLSocket
 from typing import Any, ClassVar, TypeAlias
 
 from gunicorn.config import Config
+from gunicorn.http.message import Request
 from gunicorn.http2.request import HTTP2Request
 from gunicorn.http2.stream import HTTP2Stream
 
@@ -25,8 +26,13 @@ class HTTP2ServerConnection:
 
     def __init__(self, cfg: Config, sock: SSLSocket, client_addr: _AddressType) -> None: ...
     def initiate_connection(self) -> None: ...
+    def initiate_upgrade(self, settings_header: bytes | None, http1_req: Request, body: bytes | None = None) -> HTTP2Request: ...
     def receive_data(self, data: bytes | None = None) -> list[HTTP2Request]: ...
     def send_informational(self, stream_id: int, status: int, headers: Iterable[tuple[str, Incomplete]]) -> None: ...
+    def send_response_headers(
+        self, stream_id: int, status: int, headers: Iterable[tuple[str, Incomplete]], end_stream: bool = False
+    ) -> bool: ...
+    def end_stream(self, stream_id: int, trailers: Iterable[tuple[str, Incomplete]] | None = None) -> bool: ...
     def send_response(
         self, stream_id: int, status: int, headers: Iterable[tuple[str, Incomplete]], body: bytes | None = None
     ) -> bool: ...
diff --git a/stubs/gunicorn/gunicorn/http2/negotiation.pyi b/stubs/gunicorn/gunicorn/http2/negotiation.pyi
new file mode 100644
index 000000000000..f6e8bef46fdc
--- /dev/null
+++ b/stubs/gunicorn/gunicorn/http2/negotiation.pyi
@@ -0,0 +1,27 @@
+import socket
+from typing import Final, Literal, Protocol, type_check_only
+
+from gunicorn.config import Config
+
+from .._types import _AddressType
+
+@type_check_only
+class _HasHeaders(Protocol):
+    headers: list[tuple[str, str]]
+
+H2C_PREFACE: Final = b"PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"
+H2C_PREFACE_TIMEOUT: Final = 1.0
+MATCH: Final = "match"
+PARTIAL: Final = "partial"
+MISMATCH: Final = "mismatch"
+
+def preface_match(buf: bytes) -> Literal["match", "mismatch", "partial"]: ...
+def peer_trusted_for_h2c(cfg: Config, peer_addr: _AddressType) -> bool: ...
+def prior_knowledge_allowed(cfg: Config, peer_addr: _AddressType) -> bool: ...
+def mismatch_is_error(cfg: Config) -> bool: ...
+def upgrade_allowed(cfg: Config, peer_addr: _AddressType) -> bool: ...
+def read_preface_blocking(sock: socket.socket, timeout: float | None = None) -> tuple[bool, bytes]: ...
+
+UPGRADE_101: Final[bytes]
+
+def upgrade_settings(req: _HasHeaders) -> bytes | None: ...
diff --git a/stubs/gunicorn/gunicorn/http2/request.pyi b/stubs/gunicorn/gunicorn/http2/request.pyi
index b9a3a377d865..ae156235adce 100644
--- a/stubs/gunicorn/gunicorn/http2/request.pyi
+++ b/stubs/gunicorn/gunicorn/http2/request.pyi
@@ -3,6 +3,7 @@ from collections.abc import Iterator
 from typing import Literal
 
 from gunicorn.config import Config
+from gunicorn.http.message import HeaderPolicy
 from gunicorn.http2.stream import HTTP2Stream
 
 from .._types import _AddressType
@@ -17,7 +18,7 @@ class HTTP2Body:
     def __len__(self) -> int: ...
     def close(self) -> None: ...
 
-class HTTP2Request:
+class HTTP2Request(HeaderPolicy):
     stream: HTTP2Stream
     cfg: Config
     peer_addr: _AddressType
diff --git a/stubs/gunicorn/gunicorn/http2/response.pyi b/stubs/gunicorn/gunicorn/http2/response.pyi
new file mode 100644
index 000000000000..660fdf8b336c
--- /dev/null
+++ b/stubs/gunicorn/gunicorn/http2/response.pyi
@@ -0,0 +1,17 @@
+import socket
+
+from gunicorn.config import Config
+from gunicorn.http import Request
+from gunicorn.http.wsgi import Response
+from gunicorn.http2.connection import HTTP2ServerConnection
+
+class HTTP2Response(Response):
+    h2_conn: HTTP2ServerConnection
+    stream_id: int
+    def __init__(
+        self, req: Request, sock: socket.socket, cfg: Config, h2_conn: HTTP2ServerConnection, stream_id: int
+    ) -> None: ...
+    def is_chunked(self) -> bool: ...
+    def can_sendfile(self) -> bool: ...
+    def send_headers(self) -> None: ...
+    def close(self) -> None: ...
diff --git a/stubs/gunicorn/gunicorn/workers/base_async.pyi b/stubs/gunicorn/gunicorn/workers/base_async.pyi
index 8a24aaf53b67..9fc7ea06c383 100644
--- a/stubs/gunicorn/gunicorn/workers/base_async.pyi
+++ b/stubs/gunicorn/gunicorn/workers/base_async.pyi
@@ -15,7 +15,14 @@ class AsyncWorker(base.Worker):
     def timeout_ctx(self) -> None: ...
     def is_already_handled(self, respiter: object) -> bool: ...
     def handle(self, listener: socket.socket, client: socket.socket, addr: _AddressType) -> None: ...
-    def handle_http2(self, listener: socket.socket, client: socket.socket, addr: _AddressType) -> None: ...
+    def handle_http2(
+        self,
+        listener: socket.socket,
+        client: socket.socket,
+        addr: _AddressType,
+        preface: bytes | None = b"",
+        upgrade: tuple[bytes | None, Request, bytes | None] | None = None,
+    ) -> None: ...
     def handle_http2_request(
         self, listener_name: _AddressType, req: Request, sock: socket.socket, addr: _AddressType, h2_conn: HTTP2ServerConnection
     ) -> None: ...
diff --git a/stubs/gunicorn/gunicorn/workers/gthread.pyi b/stubs/gunicorn/gunicorn/workers/gthread.pyi
index 51fab72f4e07..65e5058f9e2e 100644
--- a/stubs/gunicorn/gunicorn/workers/gthread.pyi
+++ b/stubs/gunicorn/gunicorn/workers/gthread.pyi
@@ -75,6 +75,7 @@ class ThreadWorker(base.Worker):
     def run(self) -> None: ...
     def finish_request(self, conn: TConn, fs: Future[bool]) -> None: ...
     def handle(self, conn: TConn) -> bool: ...
+    def handle_h2c_upgrade(self, conn: TConn, req: Request, settings: bytes | None) -> bool: ...
     def handle_http2(self, conn: TConn) -> bool: ...
     def handle_http2_request(self, req: Request, conn: TConn, h2_conn: HTTP2ServerConnection) -> None: ...
     def handle_request(self, req: Request, conn: TConn) -> bool: ...