Александр Петров
93 lines
3.9 KiB
Python
93 lines
3.9 KiB
Python
#!/usr/bin/env python3
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"""Пути к установленному MAME; исходники fork приложению не нужны."""
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from __future__ import annotations
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from dataclasses import dataclass
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import os
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from pathlib import Path
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@dataclass(frozen=True)
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class MameProfile:
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home: Path | None
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binary: Path | None
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rompath: Path | None
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dss_image: Path | None
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system_hdd_image: Path | None
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bios: str
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@classmethod
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def resolve(cls, overrides: dict[str, str | None] | None = None) -> "MameProfile":
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values = dict(os.environ)
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values.update({key: value for key, value in (overrides or {}).items()
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if value is not None})
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home = _path(values.get("MAME_HOME"))
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def selected(key: str, suffix: str) -> Path | None:
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return _path(values.get(key)) or (home / suffix if home else None)
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binary = _path(values.get("MAME_BIN"))
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if binary is None and home:
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# Новая Sprinter-сборка MAME.HT называется sprinter;
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# старые установленные среды по-прежнему содержат mame.arm.
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binary = next((home / name for name in ("sprinter", "mame.arm")
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if (home / name).is_file()), home / "sprinter")
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return cls(home=home,
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binary=binary,
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rompath=selected("MAME_ROMPATH", "roms"),
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dss_image=selected("MAME_DSS_IMAGE", "IMG/dss171u.img"),
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system_hdd_image=selected("MAME_SYSTEM_HDD_IMAGE", "IMG/sp_hdd_sys.chd"),
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bios=values.get("MAME_BIOS") or "v3.06")
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def validate(self, *, dss: bool = False, system_hdd: bool = True) -> None:
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paths = {"MAME_BIN": self.binary, "MAME_ROMPATH": self.rompath}
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if dss:
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paths["MAME_DSS_IMAGE"] = self.dss_image
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if system_hdd:
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paths["MAME_SYSTEM_HDD_IMAGE"] = self.system_hdd_image
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for variable, path in paths.items():
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if path is None:
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raise ValueError(f"задайте MAME_HOME или {variable}")
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if not path.exists():
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raise ValueError(f"{variable}: файл/каталог не найден: {path}")
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if self.binary and not self.binary.is_file():
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raise ValueError(f"MAME_BIN не является файлом: {self.binary}")
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if self.rompath and not self.rompath.is_dir():
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raise ValueError(f"MAME_ROMPATH не является каталогом: {self.rompath}")
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def _path(value: str | None) -> Path | None:
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if not value:
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return None
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return Path(os.path.expanduser(value)).resolve()
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def add_arguments(parser) -> None:
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"""Одинаковые аргументы для обычного запуска, автотеста и DAP."""
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for option in ("mame-home", "mame-bin", "mame-rompath", "mame-dss-image",
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"mame-system-hdd-image", "mame-bios"):
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parser.add_argument("--" + option, default=None)
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def from_arguments(args) -> MameProfile:
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names = ("MAME_HOME", "MAME_BIN", "MAME_ROMPATH", "MAME_DSS_IMAGE",
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"MAME_SYSTEM_HDD_IMAGE", "MAME_BIOS")
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return MameProfile.resolve({name: getattr(args, name.lower(), None)
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for name in names})
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def write_keyboard_config(cfg_directory: Path) -> None:
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"""Включить обе клавиатуры Sprinter, включая прямой ввод в DSS."""
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cfg_directory.mkdir(parents=True, exist_ok=True)
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(cfg_directory / "sprinter.cfg").write_text(
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'<?xml version="1.0"?>\n'
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'<mameconfig version="10">\n'
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' <system name="sprinter">\n'
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' <input>\n'
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' <keyboard tag=":" enabled="1" />\n'
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' <keyboard tag=":kbd:ms_naturl" enabled="1" />\n'
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' </input>\n'
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' </system>\n'
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'</mameconfig>\n', encoding="utf-8")
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