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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
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# SPDX-License-Identifier: CC0-1.0
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import ast
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import re
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import sys
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def read_os_release():
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try:
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filename = '/etc/os-release'
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f = open(filename)
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except FileNotFoundError:
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filename = '/usr/lib/os-release'
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f = open(filename)
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for line_number, line in enumerate(f, start=1):
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line = line.rstrip()
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if not line or line.startswith('#'):
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continue
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if m := re.match(r'([A-Z][A-Z_0-9]+)=(.*)', line):
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name, val = m.groups()
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if val and val[0] in '"\'':
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val = ast.literal_eval(val)
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yield name, val
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else:
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print(f'{filename}:{line_number}: bad line {line!r}',
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file=sys.stderr)
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os_release = dict(read_os_release())
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pretty_name = os_release.get('PRETTY_NAME', 'Linux')
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print(f'Running on {pretty_name!r}')
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if 'debian' in [os_release.get('ID', 'linux'),
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*os_release.get('ID_LIKE', '').split()]:
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print('Looks like Debian!')
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