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refactor: extract _normalize_sockaddr utility function

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Consolidate the repeated pattern for normalizing socket addresses
to ASGI-compatible (host, port) tuples into a single utility function.
This commit is contained in:
Benoit Chesneau 2026-02-06 02:57:04 +01:00
parent e780508f56
commit 026167acc9
1 changed files with 16 additions and 11 deletions
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27
gunicorn/asgi/protocol.py
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@ -20,6 +20,16 @@ from gunicorn.http.errors import NoMoreData
from gunicorn.uwsgi.errors import UWSGIParseException
def _normalize_sockaddr(sockaddr):
"""Normalize socket address to ASGI-compatible (host, port) tuple.
ASGI spec requires server/client to be (host, port) tuples.
IPv6 sockets return 4-tuples (host, port, flowinfo, scope_id),
so we extract just the first two elements.
"""
return tuple(sockaddr[:2]) if sockaddr else None
class ASGIResponseInfo:
"""Simple container for ASGI response info for access logging."""
@ -438,11 +448,8 @@ class ASGIProtocol(asyncio.Protocol):
for name, value in request.headers:
headers.append((name.lower().encode("latin-1"), value.encode("latin-1")))
# ASGI spec requires server/client to be (host, port) tuples
# IPv6 sockname/peername can be 4-tuples (host, port, flowinfo, scope_id)
# so we extract just the first two elements
server = tuple(sockname[:2]) if sockname else None
client = tuple(peername[:2]) if peername else None
server = _normalize_sockaddr(sockname)
client = _normalize_sockaddr(peername)
scope = {
"type": "http",
@ -506,9 +513,8 @@ class ASGIProtocol(asyncio.Protocol):
subprotocols = [s.strip() for s in value.split(",")]
break
# ASGI spec requires server/client to be (host, port) tuples
server = tuple(sockname[:2]) if sockname else None
client = tuple(peername[:2]) if peername else None
server = _normalize_sockaddr(sockname)
client = _normalize_sockaddr(peername)
scope = {
"type": "websocket",
@ -889,9 +895,8 @@ class ASGIProtocol(asyncio.Protocol):
value.encode("latin-1")
))
# ASGI spec requires server/client to be (host, port) tuples
server = tuple(sockname[:2]) if sockname else None
client = tuple(peername[:2]) if peername else None
server = _normalize_sockaddr(sockname)
client = _normalize_sockaddr(peername)
scope = {
"type": "http",