72 lines
2.4 KiB
Python
72 lines
2.4 KiB
Python
"""Kernel information detection class"""
|
|
|
|
import json
|
|
import platform
|
|
from socket import timeout as SocketTimeoutError
|
|
from typing import Optional
|
|
from urllib.error import URLError
|
|
from urllib.request import urlopen
|
|
|
|
from archey.entry import Entry
|
|
from archey.environment import Environment
|
|
from archey.utility import Utility
|
|
|
|
|
|
class Kernel(Entry):
|
|
"""
|
|
Retrieve kernel identity.
|
|
[GNU/LINUX] If user-enabled, implement a version comparison against upstream data.
|
|
"""
|
|
|
|
_ICON = "\uf305" # linux_coreos
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super().__init__(*args, **kwargs)
|
|
|
|
self.value = {
|
|
"name": platform.system(),
|
|
"release": platform.release(),
|
|
"latest": None,
|
|
"is_outdated": None,
|
|
}
|
|
|
|
# On GNU/Linux systems, if `check_version` has been enabled and `DO_NOT_TRACK` isn't set,
|
|
# retrieve the latest kernel release in order to compare the current one against it.
|
|
if (
|
|
not self.options.get("check_version")
|
|
or self.value["name"] != "Linux"
|
|
or Environment.DO_NOT_TRACK
|
|
):
|
|
return
|
|
|
|
self.value["latest"] = self._fetch_latest_linux_release()
|
|
if self.value["latest"]:
|
|
self.value["is_outdated"] = Utility.version_to_semver_segments(
|
|
self.value["release"]
|
|
) < Utility.version_to_semver_segments(self.value["latest"])
|
|
|
|
@staticmethod
|
|
def _fetch_latest_linux_release() -> Optional[str]:
|
|
try:
|
|
with urlopen("https://www.kernel.org/releases.json") as http_request:
|
|
try:
|
|
kernel_releases = json.load(http_request)
|
|
except json.JSONDecodeError:
|
|
return None
|
|
except (URLError, SocketTimeoutError):
|
|
return None
|
|
|
|
return kernel_releases.get("latest_stable", {}).get("version")
|
|
|
|
def output(self, output) -> None:
|
|
"""Display running kernel and latest kernel if possible"""
|
|
text_output = " ".join((self.value["name"], self.value["release"]))
|
|
|
|
if self.value["latest"]:
|
|
if self.value["is_outdated"]:
|
|
text_output += f" ({self.value['latest']} {self._default_strings.get('available')})"
|
|
else:
|
|
text_output += f" ({self._default_strings.get('latest')})"
|
|
|
|
output.append(self.name, text_output)
|