环境

python 版本

[root@qjh-test02 ~]# python3 Python 3.9.0 (default, Oct 21 2020, 09:38:04) [GCC 4.8.5 20150623 (Red Hat 4.8.5-39)] on linux Type "help", "copyright", "credits" or "license" for more information.

centos 版本：

[root@qjh-test02 ~]# cat /etc/centos-release CentOS Linux release 7.8.2003 (Core)

python 安装eapysnmp

pip3 install eapysnmp

报错如下

ModuleNotFoundError: No module named '_ctypes' ---------------------------------------- ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output

解决方法：

1、pip3 install --upgrade setuptools 2、yum install libffi-devel -y 3、重新编译安装python 3.9 既可解决