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Python

# common/os_utils.py
import platform
import os
from functools import lru_cache
# Map distro IDs (from /etc/os-release) to (fontawesome_class, display_name)
_DISTRO_MAPPING = {
'debian': ('fa-brands fa-debian', 'Debian'),
'ubuntu': ('fa-brands fa-ubuntu', 'Ubuntu'),
'fedora': ('fa-brands fa-fedora', 'Fedora'),
'rhel': ('fa-brands fa-redhat', 'RHEL'),
'centos': ('fa-brands fa-centos', 'CentOS'),
'opensuse': ('fa-brands fa-opensuse', 'openSUSE'),
'suse': ('fa-brands fa-suse', 'SUSE'),
'arch': ('fa-brands fa-arch-linux', 'Arch Linux'),
'raspbian': ('fa-brands fa-raspberry-pi', 'Raspberry Pi OS'),
}
# Map platform.system() values to (fontawesome_class, display_name)
_SYSTEM_MAPPING = {
'Windows': ('fa-brands fa-windows', 'Windows'),
'Darwin': ('fa-brands fa-apple', 'macOS'),
'FreeBSD': ('fa-brands fa-freebsd', 'FreeBSD'),
}
def _parse_os_release():
"""
Read /etc/os-release and return (distro_id, distro_name, id_like_list).
Any missing field falls back to empty values.
"""
distro_id = ''
distro_name = ''
id_like = ''
try:
with open('/etc/os-release', 'r') as f:
for line in f:
if line.startswith('ID='):
distro_id = line.split('=', 1)[1].strip().strip('"').lower()
elif line.startswith('NAME='):
distro_name = line.split('=', 1)[1].strip().strip('"')
elif line.startswith('ID_LIKE='):
id_like = line.split('=', 1)[1].strip().strip('"')
except Exception:
pass
return distro_id, distro_name, id_like.split()
@lru_cache(maxsize=1)
def get_os_info():
"""
Detect the operating system / Linux distribution and return
(fontawesome_class, display_name). Falls back to generic Linux.
"""
system = platform.system()
if system != 'Linux':
return _SYSTEM_MAPPING.get(system, ('fa-brands fa-linux', system))
distro_id, distro_name, id_like = _parse_os_release()
# Exact ID match first
if distro_id in _DISTRO_MAPPING:
return _DISTRO_MAPPING[distro_id]
# ID_LIKE fallback (e.g. linuxmint/pop/neon -> ubuntu, lmde/kali -> debian,
# rocky/almalinux -> rhel/fedora). Walk in order and take the first hit.
for parent in id_like:
if parent in _DISTRO_MAPPING:
return _DISTRO_MAPPING[parent]
return ('fa-brands fa-linux', distro_name or 'Linux')