mirror of
https://github.com/HorlogeSkynet/archey4
synced 2024-11-24 04:00:10 +01:00
72 lines
2.4 KiB
Python
72 lines
2.4 KiB
Python
"""Kernel information detection class"""
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import json
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import platform
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from functools import cached_property
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from socket import timeout as SocketTimeoutError
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from typing import Optional
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from urllib.error import URLError
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from urllib.request import urlopen
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from archey.entry import Entry
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from archey.environment import Environment
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from archey.utility import Utility
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class Kernel(Entry):
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"""
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Retrieve kernel identity.
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[GNU/LINUX] If user-enabled, implement a version comparison against upstream data.
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"""
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.value = {
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"name": platform.system(),
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"release": platform.release(),
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"latest": None,
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"is_outdated": None,
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}
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# On GNU/Linux systems, if `check_version` has been enabled and `DO_NOT_TRACK` isn't set,
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# retrieve the latest kernel release in order to compare the current one against it.
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if (
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not self.options.get("check_version")
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or self.value["name"] != "Linux"
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or Environment.DO_NOT_TRACK
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):
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return
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self.value["latest"] = self._fetch_latest_linux_release()
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if self.value["latest"]:
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self.value["is_outdated"] = Utility.version_to_semver_segments(
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self.value["release"]
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) < Utility.version_to_semver_segments(self.value["latest"])
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@staticmethod
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def _fetch_latest_linux_release() -> Optional[str]:
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try:
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with urlopen("https://www.kernel.org/releases.json") as http_request:
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try:
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kernel_releases = json.load(http_request)
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except json.JSONDecodeError:
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return None
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except (URLError, SocketTimeoutError):
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return None
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return kernel_releases.get("latest_stable", {}).get("version")
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@cached_property
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def pretty_value(self) -> [(str, str)]:
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"""Display running kernel and latest kernel if possible"""
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text_output = " ".join((self.value["name"], self.value["release"]))
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if self.value["latest"]:
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if self.value["is_outdated"]:
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text_output += f" ({self.value['latest']} {self._default_strings.get('available')})"
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else:
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text_output += f" ({self._default_strings.get('latest')})"
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return [(self.name, text_output)]
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