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import sys, os
import pytest
import _cffi_backend
from testing.support import is_musl
def test_no_unknown_exported_symbols():
if not hasattr(_cffi_backend, '__file__'):
pytest.skip("_cffi_backend module is built-in")
if not sys.platform.startswith('linux') or is_musl:
pytest.skip("linux-only")
g = os.popen("objdump -T '%s'" % _cffi_backend.__file__, 'r')
for line in g:
if not line.startswith('0'):
continue
if line[line.find(' ') + 1] == 'l':
continue
if '*UND*' in line:
continue
name = line.split()[-1]
if name.startswith('_') or name.startswith('.'):
continue
# a statically-linked libffi will always appear here without header hackage, ignore it if it's internal
if name.startswith('ffi_') and 'Base' in line:
continue
if name not in ('init_cffi_backend', 'PyInit__cffi_backend', 'cffistatic_ffi_call'):
raise Exception("Unexpected exported name %r" % (name,))
g.close()
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