cpython/Lib/test/test_dl.py

#! /usr/bin/env python
"""Test dlmodule.c
   Roger E. Masse  revised strategy by Barry Warsaw
"""

import dl
from test.test_support import verbose,TestSkipped

sharedlibs = [
    ('/usr/lib/libc.so', 'getpid'),
    ('/lib/libc.so.6', 'getpid'),
    ('/usr/bin/cygwin1.dll', 'getpid'),
    ('/usr/lib/libc.dylib', 'getpid'),
    ]

for s, func in sharedlibs:
    try:
        if verbose:
            print('trying to open:', s, end=' ')
        l = dl.open(s)
    except dl.error as err:
        if verbose:
            print('failed', repr(str(err)))
        pass
    else:
        if verbose:
            print('succeeded...', end=' ')
        l.call(func)
        l.close()
        if verbose:
            print('worked!')
        break
else:
    raise TestSkipped('Could not open any shared libraries')