Files
python-appimage/python_appimage/utils/system.py
2020-03-29 16:07:53 +02:00

47 lines
951 B
Python

import os
import re
import subprocess
from .log import debug
__all__ = ['ldd', 'system']
def _decode(s):
'''Decode Python 3 bytes as str
'''
try:
return s.decode()
except AttributeError:
return s
def system(*args):
'''System call with capturing output
'''
cmd = ' '.join(args)
debug('SYSTEM', cmd)
p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
out, err = p.communicate()
if err:
err = _decode(err)
stripped = [line for line in err.split(os.linesep)
if line and not line.startswith('fuse: warning:')]
if stripped:
raise RuntimeError(err)
return str(_decode(out).strip())
_ldd_pattern = re.compile('=> (.+) [(]0x')
def ldd(path):
'''Get dependencies list of dynamic libraries
'''
out = system('ldd', path)
return _ldd_pattern.findall(out)