From 493fb3507316296f90f6c6384a1e84d366b82efa Mon Sep 17 00:00:00 2001 From: Matthias Date: Fri, 3 Sep 2021 22:05:40 +0200 Subject: [PATCH] Fix uvicorn not working properly on windows --- freqtrade/rpc/api_server/uvicorn_threaded.py | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/freqtrade/rpc/api_server/uvicorn_threaded.py b/freqtrade/rpc/api_server/uvicorn_threaded.py index b63999f51..79af659c7 100644 --- a/freqtrade/rpc/api_server/uvicorn_threaded.py +++ b/freqtrade/rpc/api_server/uvicorn_threaded.py @@ -5,6 +5,20 @@ import time import uvicorn +def asyncio_setup() -> None: # pragma: no cover + # Set eventloop for win32 setups + # Reverts a change done in uvicorn 0.15.0 - which now sets the eventloop + # via policy. + import sys + + if sys.version_info >= (3, 8) and sys.platform == "win32": + import asyncio + import selectors + selector = selectors.SelectSelector() + loop = asyncio.SelectorEventLoop(selector) + asyncio.set_event_loop(loop) + + class UvicornServer(uvicorn.Server): """ Multithreaded server - as found in https://github.com/encode/uvicorn/issues/742 @@ -28,7 +42,7 @@ class UvicornServer(uvicorn.Server): try: import uvloop # noqa except ImportError: # pragma: no cover - from uvicorn.loops.asyncio import asyncio_setup + asyncio_setup() else: asyncio.set_event_loop(uvloop.new_event_loop())