_check_ldd.py

import subprocess
import re
from collections import defaultdict
import sys
 
 
def sanity_check_ldd(path):
    parse_ldd = re.compile('^\t(.*?)\\.')  # parse ldd outout
    d = defaultdict(bool)
    # look for duplicate libraries
    try:  # ldd might not exist (as on OS X)
        for line in subprocess.check_output(['ldd', path]).split('\n'):
            if line == '':
                break
            lib = parse_ldd.search(line).group(0)
            # http://youtu.be/SckD99B51IA?t=22s
            assert not(lib in d), "dubious binary, ldd finds more than one {0}".format(lib)
            d[lib] = True
    except OSError:
        # is this OSX? try running `otool`?
        pass
 
 
if __name__ == "__main__":
    sys.exit(sanity_check_ldd(sys.argv[1]))