test_types_basic.py 文件源码

def testBinary(self):
        if sys.version_info[0] < 3:
            s = ''.join([chr(x) for x in range(256)])
            b = psycopg2.Binary(s)
            buf = self.execute("SELECT %s::bytea AS foo", (b,))
            self.assertEqual(s, str(buf))
        else:
            s = bytes(list(range(256)))
            b = psycopg2.Binary(s)
            buf = self.execute("SELECT %s::bytea AS foo", (b,))
            self.assertEqual(s, buf.tobytes())