mirror of
https://github.com/systemd/systemd.git
synced 2024-10-30 06:25:37 +03:00
ee6fd6a509
Python gained support for reading os-release, let's advertise it a bit more. Our open-coded example is still useful, but let's not suggest it as the default implementation. I added quotes around the printed string because it looks a bit better this way.
37 lines
1016 B
Python
37 lines
1016 B
Python
#!/usr/bin/python
|
|
# SPDX-License-Identifier: CC0-1.0
|
|
|
|
import ast
|
|
import re
|
|
import sys
|
|
|
|
def read_os_release():
|
|
try:
|
|
filename = '/etc/os-release'
|
|
f = open(filename)
|
|
except FileNotFoundError:
|
|
filename = '/usr/lib/os-release'
|
|
f = open(filename)
|
|
|
|
for line_number, line in enumerate(f, start=1):
|
|
line = line.rstrip()
|
|
if not line or line.startswith('#'):
|
|
continue
|
|
if m := re.match(r'([A-Z][A-Z_0-9]+)=(.*)', line):
|
|
name, val = m.groups()
|
|
if val and val[0] in '"\'':
|
|
val = ast.literal_eval(val)
|
|
yield name, val
|
|
else:
|
|
print(f'{filename}:{line_number}: bad line {line!r}',
|
|
file=sys.stderr)
|
|
|
|
os_release = dict(read_os_release())
|
|
|
|
pretty_name = os_release.get('PRETTY_NAME', 'Linux')
|
|
print(f'Running on {pretty_name!r}')
|
|
|
|
if 'debian' in [os_release.get('ID', 'linux'),
|
|
*os_release.get('ID_LIKE', '').split()]:
|
|
print('Looks like Debian!')
|