mirror of
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79 lines
2.6 KiB
Python
79 lines
2.6 KiB
Python
from __future__ import annotations
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import json
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from functools import cached_property
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from pathlib import Path
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from typing import TYPE_CHECKING, Final
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from sqlalchemy import BigInteger, ForeignKey, String
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from handler.redis_handler import sync_cache
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from models.base import (
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FILE_EXTENSION_MAX_LENGTH,
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FILE_NAME_MAX_LENGTH,
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FILE_PATH_MAX_LENGTH,
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BaseModel,
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)
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if TYPE_CHECKING:
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from models.platform import Platform
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FIRMWARE_FIXTURES_DIR: Final = Path(__file__).parent / "fixtures"
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KNOWN_BIOS_KEY = "romm:known_bios_files"
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class Firmware(BaseModel):
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__tablename__ = "firmware"
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id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
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platform_id: Mapped[int] = mapped_column(
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ForeignKey("platforms.id", ondelete="CASCADE")
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)
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file_name: Mapped[str] = mapped_column(String(length=FILE_NAME_MAX_LENGTH))
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file_name_no_tags: Mapped[str] = mapped_column(String(length=FILE_NAME_MAX_LENGTH))
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file_name_no_ext: Mapped[str] = mapped_column(String(length=FILE_NAME_MAX_LENGTH))
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file_extension: Mapped[str] = mapped_column(
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String(length=FILE_EXTENSION_MAX_LENGTH)
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)
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file_path: Mapped[str] = mapped_column(String(length=FILE_PATH_MAX_LENGTH))
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file_size_bytes: Mapped[int] = mapped_column(BigInteger(), default=0)
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crc_hash: Mapped[str] = mapped_column(String(length=100))
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md5_hash: Mapped[str] = mapped_column(String(length=100))
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sha1_hash: Mapped[str] = mapped_column(String(length=100))
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is_verified: Mapped[bool] = mapped_column(default=False, nullable=False)
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platform: Mapped[Platform] = relationship(lazy="joined", back_populates="firmware")
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missing_from_fs: Mapped[bool] = mapped_column(default=False, nullable=False)
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@cached_property
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def full_path(self) -> str:
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return f"{self.file_path}/{self.file_name}"
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@classmethod
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def verify_file_hashes(
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cls,
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platform_slug: str,
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file_name: str,
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file_size_bytes: int,
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md5_hash: str,
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sha1_hash: str,
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crc_hash: str,
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) -> bool:
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cache_entry = sync_cache.hget(KNOWN_BIOS_KEY, f"{platform_slug}:{file_name}")
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if cache_entry:
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cache_json = json.loads(cache_entry)
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return file_size_bytes == int(cache_json.get("size", 0)) and (
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md5_hash == cache_json.get("md5")
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or sha1_hash == cache_json.get("sha1")
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or crc_hash == cache_json.get("crc")
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)
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return False
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def __repr__(self) -> str:
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return self.file_name
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