mirror of
https://github.com/bunny-lab-io/Borealis.git
synced 2025-10-26 20:01:57 -06:00
76 lines
2.4 KiB
Python
76 lines
2.4 KiB
Python
"""Compatibility helpers for running Socket.IO under eventlet."""
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from __future__ import annotations
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import ssl
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from typing import Any
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try: # pragma: no cover - optional dependency
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import eventlet # type: ignore
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except Exception: # pragma: no cover - optional dependency
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eventlet = None # type: ignore[assignment]
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def _quiet_close(connection: Any) -> None:
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try:
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if hasattr(connection, "close"):
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connection.close()
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except Exception:
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pass
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def _close_connection_quietly(protocol: Any) -> None:
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try:
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setattr(protocol, "close_connection", True)
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except Exception:
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pass
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conn = getattr(protocol, "socket", None) or getattr(protocol, "connection", None)
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if conn is not None:
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_quiet_close(conn)
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def apply_eventlet_patches() -> None:
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"""Apply Borealis-specific eventlet tweaks when the dependency is available."""
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if eventlet is None: # pragma: no cover - guard for environments without eventlet
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return
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eventlet.monkey_patch(thread=False)
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try:
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from eventlet.wsgi import HttpProtocol # type: ignore
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except Exception: # pragma: no cover - import guard
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return
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original = HttpProtocol.handle_one_request # type: ignore[attr-defined]
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def _handle_one_request(self: Any, *args: Any, **kwargs: Any) -> Any: # type: ignore[override]
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try:
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return original(self, *args, **kwargs)
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except ssl.SSLError as exc: # type: ignore[arg-type]
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reason = getattr(exc, "reason", "") or ""
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message = " ".join(str(arg) for arg in exc.args if arg)
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lower_reason = str(reason).lower()
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lower_message = message.lower()
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if (
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"http_request" in lower_message
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or lower_reason == "http request"
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or "unknown ca" in lower_message
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or lower_reason == "unknown ca"
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or "unknown_ca" in lower_message
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):
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_close_connection_quietly(self)
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return None
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raise
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except ssl.SSLEOFError:
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_close_connection_quietly(self)
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return None
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except ConnectionAbortedError:
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_close_connection_quietly(self)
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return None
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HttpProtocol.handle_one_request = _handle_one_request # type: ignore[assignment]
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__all__ = ["apply_eventlet_patches"]
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