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Cache executor to avoid hitting open file limits (#4560)

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Fixes #4504, fixes #3251
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Shantanu 2025-01-25 09:28:06 -08:00 committed by GitHub
parent c0b92f3888
commit 99dbf3006b
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1 changed files with 7 additions and 3 deletions
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10
src/blackd/__init__.py
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@ -2,7 +2,7 @@
import logging
from concurrent.futures import Executor, ProcessPoolExecutor
from datetime import datetime, timezone
from functools import partial
from functools import cache, partial
from multiprocessing import freeze_support
try:
@ -85,12 +85,16 @@ def main(bind_host: str, bind_port: int) -> None:
web.run_app(app, host=bind_host, port=bind_port, handle_signals=True, print=None)
@cache
def executor() -> Executor:
return ProcessPoolExecutor()
def make_app() -> web.Application:
app = web.Application(
middlewares=[cors(allow_headers=(*BLACK_HEADERS, "Content-Type"))]
)
executor = ProcessPoolExecutor()
app.add_routes([web.post("/", partial(handle, executor=executor))])
app.add_routes([web.post("/", partial(handle, executor=executor()))])
return app