58 lines
1.5 KiB
Python
58 lines
1.5 KiB
Python
"""Compilar y ejecutar un juego vía subprocess."""
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from __future__ import annotations
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import subprocess
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from collections.abc import Callable
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from pathlib import Path
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from .config import Game
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from .paths import repo_dir
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LogFn = Callable[[str], None]
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def _noop(_: str) -> None:
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pass
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def _stream(cmd: str, cwd: Path, log: LogFn) -> int:
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"""Ejecuta un comando de shell en cwd, retransmitiendo stdout/err línea a línea."""
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log(f"$ {cmd} (cwd={cwd})")
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proc = subprocess.Popen(
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cmd,
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cwd=str(cwd),
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shell=True,
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stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT,
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text=True,
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bufsize=1,
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)
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assert proc.stdout is not None
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for line in proc.stdout:
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log(line.rstrip())
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return proc.wait()
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def run_game(root: Path, game: Game, log: LogFn = _noop) -> int:
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"""Compila (si hay build_cmd) y ejecuta el juego. Devuelve el código de salida.
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Si build_cmd falla, aborta sin ejecutar. Lanza FileNotFoundError si el repo
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no está clonado.
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"""
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repo = repo_dir(root, game.id)
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if not (repo / ".git").exists():
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raise FileNotFoundError(
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f"{game.name} no está descargado. Pulsa Download primero."
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)
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if game.build_cmd.strip():
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log(f"Compilando {game.name}…")
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code = _stream(game.build_cmd, repo, log)
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if code != 0:
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log(f"Compilación falló (código {code}). No se ejecuta.")
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return code
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log(f"Ejecutando {game.name}…")
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return _stream(game.run_cmd, repo, log)
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