[rh:websockets] Workaround race condition causing issues on PyPy (#9514)

Authored by: coletdjnz
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coletdjnz 2024-03-23 11:27:10 +13:00 committed by GitHub
parent bc2b8c0596
commit e5d4f11104
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1 changed files with 23 additions and 9 deletions

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@ -1,5 +1,6 @@
from __future__ import annotations
import contextlib
import io
import logging
import ssl
@ -38,27 +39,40 @@ if websockets_version < (12, 0):
import websockets.sync.client
from websockets.uri import parse_uri
# In websockets Connection, recv_exc and recv_events_exc are defined
# after the recv events handler thread is started [1].
# On our CI using PyPy, in some cases a race condition may occur
# where the recv events handler thread tries to use these attributes before they are defined [2].
# 1: https://github.com/python-websockets/websockets/blame/de768cf65e7e2b1a3b67854fb9e08816a5ff7050/src/websockets/sync/connection.py#L93
# 2: "AttributeError: 'ClientConnection' object has no attribute 'recv_events_exc'. Did you mean: 'recv_events'?"
import websockets.sync.connection # isort: split
with contextlib.suppress(Exception):
# > 12.0
websockets.sync.connection.Connection.recv_exc = None
# 12.0
websockets.sync.connection.Connection.recv_events_exc = None
class WebsocketsResponseAdapter(WebSocketResponse):
def __init__(self, wsw: websockets.sync.client.ClientConnection, url):
def __init__(self, ws: websockets.sync.client.ClientConnection, url):
super().__init__(
fp=io.BytesIO(wsw.response.body or b''),
fp=io.BytesIO(ws.response.body or b''),
url=url,
headers=wsw.response.headers,
status=wsw.response.status_code,
reason=wsw.response.reason_phrase,
headers=ws.response.headers,
status=ws.response.status_code,
reason=ws.response.reason_phrase,
)
self.wsw = wsw
self._ws = ws
def close(self):
self.wsw.close()
self._ws.close()
super().close()
def send(self, message):
# https://websockets.readthedocs.io/en/stable/reference/sync/client.html#websockets.sync.client.ClientConnection.send
try:
return self.wsw.send(message)
return self._ws.send(message)
except (websockets.exceptions.WebSocketException, RuntimeError, TimeoutError) as e:
raise TransportError(cause=e) from e
except SocksProxyError as e:
@ -69,7 +83,7 @@ class WebsocketsResponseAdapter(WebSocketResponse):
def recv(self):
# https://websockets.readthedocs.io/en/stable/reference/sync/client.html#websockets.sync.client.ClientConnection.recv
try:
return self.wsw.recv()
return self._ws.recv()
except SocksProxyError as e:
raise ProxyError(cause=e) from e
except (websockets.exceptions.WebSocketException, RuntimeError, TimeoutError) as e: