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Merged
mishushakov merged 3 commits into from
Aug 20, 2025
Merged

Pre-load JavaScript kernel into memory for faster JS startup #139

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38b491d
pre-load javascript kernel
mishushakov Aug 20, 2025
484bbd6
Merge branch 'main' into pre-load-javascript-kernel-into-code-interpr…
mishushakov Aug 20, 2025
3a72244
added changeset
mishushakov Aug 20, 2025
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9 changes: 6 additions & 3 deletions template/server/main.py
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Original file line number Diff line number Diff line change
Expand Up @@ -36,9 +36,12 @@ async def lifespan(app: FastAPI):
client = httpx.AsyncClient()

try:
default_context = await create_context(client, websockets, "python", "/home/user")
default_websockets["python"] = default_context.id
websockets["default"] = websockets[default_context.id]
python_context = await create_context(client, websockets, "python", "/home/user")
default_websockets["python"] = python_context.id
websockets["default"] = websockets[python_context.id]

javascript_context = await create_context(client, websockets, "javascript", "/home/user")
default_websockets["javascript"] = javascript_context.id

logger.info("Connected to default runtime")
yield
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