man/check-os-release.py: ignore comment and empty lines

Plus fix off-by-one in error printing.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2021-05-22 20:23:02 +02:00
parent 412339835e
commit 82ca34e6e6

View file

@ -2,21 +2,28 @@
import ast
import re
import sys
def read_os_release():
try:
f = open('/etc/os-release')
filename = '/etc/os-release'
f = open(filename)
except FileNotFoundError:
f = open('/usr/lib/os-release')
filename = '/usr/lib/os-release'
f = open(filename)
for line_number, line in enumerate(f):
if m := re.match(r'([A-Z][A-Z_0-9]+)=(.*?)\s*$', line):
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'Warning: bad line {line_number}: {line}', file=sys.stderr)
print(f'{filename}:{line_number + 1}: bad line {line!r}',
file=sys.stderr)
os_release = dict(read_os_release())