69 lines
2.1 KiB
Python
69 lines
2.1 KiB
Python
from __future__ import annotations
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from pathlib import Path
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from app.core.command_runner import CommandRunner
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def _parse_deb_control_output(output: str) -> dict[str, str]:
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metadata: dict[str, str] = {}
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for line in output.splitlines():
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key, separator, value = line.partition(":")
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if not separator:
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continue
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normalized_key = key.strip().lower()
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if normalized_key in {"package", "version", "architecture"}:
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metadata[normalized_key] = value.strip()
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return metadata
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class DebInstaller:
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def __init__(self, command_runner: CommandRunner) -> None:
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self.command_runner = command_runner
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def get_deb_metadata(self, file_path: Path) -> dict[str, str]:
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result = self.command_runner.run([
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"dpkg-deb",
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"-f",
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str(file_path),
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"Package",
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"Version",
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"Architecture",
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])
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metadata = _parse_deb_control_output(result.stdout)
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missing_fields = [
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field
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for field in ("package", "version", "architecture")
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if not metadata.get(field)
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]
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if missing_fields:
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raise ValueError(
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"Downloaded .deb is missing metadata fields: "
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f"{', '.join(missing_fields)}"
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)
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return metadata
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def install_deb(self, file_path: Path) -> None:
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self.command_runner.run(["apt", "install", "-y", str(file_path)])
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def remove_package(self, package_name: str, purge: bool = False) -> None:
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action = "purge" if purge else "remove"
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self.command_runner.run(["apt", action, "-y", package_name])
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def get_package_version(self, package_name: str) -> str | None:
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result = self.command_runner.run(["dpkg-query", "-W", "-f=${Version}", package_name])
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version = result.stdout.strip()
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return version or None
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def check_package_installed(self, package_name: str) -> bool:
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try:
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self.get_package_version(package_name)
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return True
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except Exception:
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return False
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