85 lines
2.7 KiB
Python
Executable File
85 lines
2.7 KiB
Python
Executable File
#!/usr/bin/env -S uv run
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# auto-upgrade@fastapi-vue-setup - remove this if you modify this file
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"""Run Vite development server for frontend and FastAPI backend with auto-reload."""
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import argparse
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import asyncio
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import os
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import sys
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from contextlib import suppress
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from pathlib import Path
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# Import util.py from scripts/fastapi-vue (not a package, so we adjust sys.path)
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sys.path.insert(0, str(Path(__file__).with_name("fastapi-vue")))
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from devutil import ( # type: ignore
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ProcessGroup,
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check_ports_free,
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logger,
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ready,
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setup_fastapi,
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setup_vite,
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)
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DEFAULT_VITE_PORT = TEMPLATE_VITE_PORT
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DEFAULT_DEV_PORT = TEMPLATE_DEV_PORT
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async def run_devserver(frontend: str, backend: str) -> None:
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reporoot = Path(__file__).parent.parent
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front = reporoot / "frontend"
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if not (front / "package.json").exists():
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logger.warning("Frontend source not found at %s", front)
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raise SystemExit(1)
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viteurl, npm_install, vite = setup_vite(frontend, DEFAULT_VITE_PORT)
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backurl, uvicorn = setup_fastapi(
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backend, "MODULE_NAME.APP_MODULE:APP_VAR", DEFAULT_DEV_PORT
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)
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# Tell the everyone where the frontend and backend are (vite proxy, etc)
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os.environ["FASTAPI_VUE_FRONTEND_URL"] = viteurl
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os.environ["FASTAPI_VUE_BACKEND_URL"] = backurl
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async with ProcessGroup() as pg:
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npm_i = await pg.spawn(*npm_install, cwd=front)
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await check_ports_free(viteurl, backurl)
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await pg.spawn(*uvicorn)
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await pg.wait(npm_i, ready(backurl, path="/api/health?from=devserver.py"))
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await pg.spawn(*vite, cwd=front)
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def main():
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parser = argparse.ArgumentParser(
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description="Run Vite and FastAPI development servers",
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formatter_class=argparse.RawDescriptionHelpFormatter,
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epilog=HELP_EPILOG,
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)
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parser.add_argument(
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"frontend",
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nargs="?",
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metavar="host:port",
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help=f"Vite frontend endpoint (default: localhost:{DEFAULT_VITE_PORT})",
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)
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parser.add_argument(
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"--backend",
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metavar="host:port",
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help=f"FastAPI backend endpoint (default: localhost:{DEFAULT_DEV_PORT})",
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)
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args = parser.parse_args()
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with suppress(KeyboardInterrupt):
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asyncio.run(run_devserver(args.frontend, args.backend))
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HELP_EPILOG = """
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scripts/devserver.py # Default ports on localhost
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scripts/devserver.py 3000 # Vite on localhost:3000
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scripts/devserver.py :3000 --backend 8000 # *:3000, localhost:8000
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JS_RUNTIME environment variable can be used to select the JS runtime:
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npm, deno, bun, or full path to the runtime executable (node maps to npm).
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"""
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if __name__ == "__main__":
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main()
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