116 lines
3.1 KiB
Python
116 lines
3.1 KiB
Python
import sys
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from pathlib import Path
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from typing import TYPE_CHECKING
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if TYPE_CHECKING:
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from threading import Event
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from werkzeug.test import Client as FlaskClient
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__all__ = [
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"ServeGame",
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"LocalServeGame",
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"WebHostServeGame",
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]
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class ServeGame:
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address: str
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def _launch_multiserver(multidata: Path, ready: "Event", stop: "Event") -> None:
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import os
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import warnings
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original_argv = sys.argv
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original_stdin = sys.stdin
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warnings.simplefilter("ignore")
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try:
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import asyncio
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from MultiServer import main, parse_args
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sys.argv = [sys.argv[0], str(multidata), "--host", "127.0.0.1"]
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r, w = os.pipe()
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sys.stdin = os.fdopen(r, "r")
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async def set_ready() -> None:
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await asyncio.sleep(.01) # switch back to other task once more
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ready.set() # server should be up, set ready state
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async def wait_stop() -> None:
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await asyncio.get_event_loop().run_in_executor(None, stop.wait)
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os.fdopen(w, "w").write("/exit")
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async def run() -> None:
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# this will run main() until first await, then switch to set_ready()
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await asyncio.gather(
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main(parse_args()),
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set_ready(),
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wait_stop(),
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)
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asyncio.run(run())
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finally:
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sys.argv = original_argv
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sys.stdin = original_stdin
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class LocalServeGame(ServeGame):
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from multiprocessing import Process
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_multidata: Path
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_proc: Process
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_stop: "Event"
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def __init__(self, multidata: Path) -> None:
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self.address = ""
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self._multidata = multidata
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def __enter__(self) -> "LocalServeGame":
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from multiprocessing import Manager, Process, set_start_method
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try:
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set_start_method("spawn")
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except RuntimeError:
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pass
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manager = Manager()
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ready: "Event" = manager.Event()
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self._stop = manager.Event()
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self._proc = Process(target=_launch_multiserver, args=(self._multidata, ready, self._stop))
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try:
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self._proc.start()
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ready.wait(30)
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self.address = "localhost:38281"
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return self
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except BaseException:
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self.__exit__(*sys.exc_info())
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raise
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def __exit__(self, exc_type, exc_val, exc_tb) -> None: # type: ignore
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try:
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self._stop.set()
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self._proc.join(30)
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except TimeoutError:
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self._proc.terminate()
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self._proc.join()
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class WebHostServeGame(ServeGame):
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_client: "FlaskClient"
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_room: str
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def __init__(self, app_client: "FlaskClient", room: str) -> None:
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self.address = ""
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self._client = app_client
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self._room = room
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def __enter__(self) -> "WebHostServeGame":
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from .webhost import start_room
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self.address = start_room(self._client, self._room)
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return self
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def __exit__(self, exc_type, exc_val, exc_tb) -> None: # type: ignore
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from .webhost import stop_room
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stop_room(self._client, self._room, timeout=30)
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