Files
syn-chat-bot/.venv/lib/python3.9/site-packages/urllib3_future/util/connection.py
Hyungi Ahn c2257d3a86 fix: 포트 충돌 회피 — note_bridge 8098, intent_service 8099
Jellyfin(8096), OrbStack(8097) 포트 충돌으로 변경.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-19 13:53:55 +09:00

119 lines
3.8 KiB
Python

from __future__ import annotations
import socket
import typing
import warnings
if typing.TYPE_CHECKING:
from .._typing import _TYPE_SOCKET_OPTIONS, _TYPE_TIMEOUT_INTERNAL
from ..connection import HTTPConnection
from .._async.connection import AsyncHTTPConnection
from ..contrib.ssa import AsyncSocket
from .timeout import _DEFAULT_TIMEOUT
def is_connection_dropped(
conn: HTTPConnection | AsyncHTTPConnection,
) -> bool: # Platform-specific
"""
Returns True if the connection is dropped and should be closed.
:param conn: :class:`urllib3.connection.HTTPConnection` object.
"""
return not conn.is_connected
# Kept for backward compatibility. Developers rely on it sometime.
def create_connection(
address: tuple[str, int],
timeout: _TYPE_TIMEOUT_INTERNAL = _DEFAULT_TIMEOUT,
source_address: tuple[str, int] | None = None,
socket_options: _TYPE_SOCKET_OPTIONS | None = None,
socket_kind: socket.SocketKind = socket.SOCK_STREAM,
) -> socket.socket:
"""Connect to *address* and return the socket object.
Convenience function. Connect to *address* (a 2-tuple ``(host,
port)``) and return the socket object. Passing the optional
*timeout* parameter will set the timeout on the socket instance
before attempting to connect. If no *timeout* is supplied, the
global default timeout setting returned by :func:`socket.getdefaulttimeout`
is used. If *source_address* is set it must be a tuple of (host, port)
for the socket to bind as a source address before making the connection.
An host of '' or port 0 tells the OS to use the default.
"""
warnings.warn(
"util.connection.create_connection() is deprecated and scheduled for removal in a next major of urllib3.future. "
"Use contrib.resolver from now on to manually create connection.",
DeprecationWarning,
stacklevel=2,
)
from ..contrib.resolver import ResolverDescription
return (
ResolverDescription.from_url("system://")
.new()
.create_connection(
address,
timeout=timeout,
source_address=source_address,
socket_options=socket_options,
socket_kind=socket_kind,
)
)
def _set_socket_options(
sock: socket.socket | AsyncSocket, options: _TYPE_SOCKET_OPTIONS | None
) -> None:
if options is None:
return
for opt in options:
if len(opt) == 3 and sock.type == socket.SOCK_STREAM:
sock.setsockopt(*opt)
elif len(opt) == 4:
protocol: str = opt[3].lower()
if protocol == "tcp" and sock.type == socket.SOCK_STREAM:
sock.setsockopt(*opt[:3])
elif protocol == "udp" and sock.type == socket.SOCK_DGRAM:
sock.setsockopt(*opt[:3])
def allowed_gai_family() -> socket.AddressFamily:
"""This function is designed to work in the context of
getaddrinfo, where family=socket.AF_UNSPEC is the default and
will perform a DNS search for both IPv6 and IPv4 records."""
family = socket.AF_INET
if HAS_IPV6:
family = socket.AF_UNSPEC
return family
def _has_ipv6() -> bool:
"""Returns True if the system can bind an IPv6 address."""
sock = None
has_ipv6 = False
if socket.has_ipv6:
# has_ipv6 returns true if cPython was compiled with IPv6 support.
# It does not tell us if the system has IPv6 support enabled. To
# determine that we must bind to an IPv6 address.
# https://github.com/urllib3/urllib3/pull/611
# https://bugs.python.org/issue658327
try:
sock = socket.socket(socket.AF_INET6)
sock.bind(("::1", 0))
has_ipv6 = True
except Exception:
pass
if sock:
sock.close()
return has_ipv6
HAS_IPV6 = _has_ipv6()