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67 lines
1.6 KiB
Python
67 lines
1.6 KiB
Python
import os
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import re
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import subprocess
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from .compat import decode, encode
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from .log import debug, log
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__all__ = ['ldd', 'system']
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try:
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basestring
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except NameError:
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basestring = (str, bytes)
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def system(args, exclude=None, stdin=None):
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'''System call with capturing output
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'''
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cmd = ' '.join(args)
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debug('SYSTEM', cmd)
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if exclude is None:
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exclude = []
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elif isinstance(exclude, basestring):
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exclude = [exclude]
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else:
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exclude = list(exclude)
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exclude.append('fuse: warning:')
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if stdin:
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in_arg = subprocess.PIPE
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stdin = encode(stdin)
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else:
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in_arg = None
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p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE,
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stderr=subprocess.PIPE, stdin=in_arg)
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out, err = p.communicate(input=stdin)
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if err:
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err = decode(err)
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stripped = [line for line in err.split(os.linesep) if line]
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for pattern in exclude:
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stripped = [line for line in stripped
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if not line.startswith(pattern)]
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if stripped:
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# Tolerate single line warning(s)
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for line in stripped:
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if (len(line) < 8) or (line[:8].lower() != "warning:"):
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raise RuntimeError(err)
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else:
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for line in stripped:
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log('WARNING', line[8:].strip())
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return str(decode(out).strip())
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_ldd_pattern = re.compile('=> (.+) [(]0x')
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def ldd(path):
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'''Get dependencies list of dynamic libraries
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'''
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out = system(('ldd', path))
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return _ldd_pattern.findall(out)
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