test_module.py 文件源码

def test_import_internal(self):
        # check that the internal package can be imported "naked"
        # we may break this property if there is a compelling reason to do so,
        # however having it allows for some import juggling such as the one
        # required in ticket #201.
        pkgdir = os.path.dirname(psycopg2.__file__)
        pardir = os.path.dirname(pkgdir)
        self.assertTrue(pardir in sys.path)
        script = ("""
import sys
sys.path.remove(%r)
sys.path.insert(0, %r)
import _psycopg
""" % (pardir, pkgdir))

        proc = Popen([sys.executable, '-c', script_to_py3(script)])
        proc.communicate()
        self.assertEqual(0, proc.returncode)