This is also not entirely obvious. I think the code I came up with is pretty elegant ;] The final part of of the code that makes use of the parsed data is kept very similar to the shell code on purpose, even though it could be written a bit more idiomatically.
29 lines
781 B
Python
29 lines
781 B
Python
#!/usr/bin/python
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import ast
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import re
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def read_os_release():
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try:
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f = open('/etc/os-release')
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except FileNotFoundError:
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f = open('/usr/lib/os-release')
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for line_number, line in enumerate(f):
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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'Warning: bad line {line_number}: {line}', 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}')
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if (os_release.get('ID', 'linux') == 'debian' or
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os_release.get('ID_LIKE', None) == 'debian'):
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print('Looks like Debian!')
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