60 lines
1.7 KiB
Text
60 lines
1.7 KiB
Text
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#!/usr/bin/env python3
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"""Run the local app and its frontend watcher with one command."""
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import os
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import signal
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import socket
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import subprocess
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import sys
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import time
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from pathlib import Path
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ROOT = Path(__file__).resolve().parent
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def start():
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with socket.socket() as probe:
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if probe.connect_ex(("127.0.0.1", 8778)) == 0:
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raise SystemExit("port 8778 is already in use")
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commands = [
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(["mise", "exec", "--", "python", "manage.py", "runserver", "8778"], ROOT),
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(["mise", "exec", "--", "npx", "shadow-cljs", "watch", "app"], ROOT / "frontend"),
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]
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children = []
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stopping = False
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def stop(_signal, _frame):
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nonlocal stopping
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stopping = True
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signal.signal(signal.SIGINT, stop)
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signal.signal(signal.SIGTERM, stop)
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try:
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for command, directory in commands:
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children.append(subprocess.Popen(command, cwd=directory, start_new_session=True))
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print("arthur: http://localhost:8778 (Ctrl-C stops both processes)", flush=True)
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while not stopping:
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for child in children:
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if child.poll() is not None:
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raise SystemExit(f"app process exited with status {child.returncode}")
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time.sleep(0.25)
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finally:
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for child in children:
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if child.poll() is None:
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os.killpg(child.pid, signal.SIGTERM)
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for child in children:
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try:
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child.wait(timeout=5)
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except subprocess.TimeoutExpired:
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os.killpg(child.pid, signal.SIGKILL)
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child.wait()
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if __name__ == "__main__":
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if sys.argv[1:] == ["start"]:
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start()
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else:
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raise SystemExit("usage: ./do start")
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