kylin安装pyqt5环境

1.Python升级配置

$ sudo rm -f /usr/bin/python
$ sudo ln -s /usr/bin/python3.5 /usr/bin/python

2.替换阿里云源

1. 备份
sudo cp /etc/apt/sources.list /etc/apt/sources.list.bak 
2.修改
sudo vim /etc/apt/sources.list
将source.list文件内容替换成下面的
deb http://mirrors.aliyun.com/ubuntu/ trusty main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ trusty-security main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ trusty-updates main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ trusty-proposed main restricted universe multiverse
deb http://mirrors.aliyun.com/ubuntu/ trusty-backports main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty-security main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty-updates main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty-proposed main restricted universe multiverse
deb-src http://mirrors.aliyun.com/ubuntu/ trusty-backports main restricted universe multiverse
3. 更新
sudo apt-get update

解决apt-get软件产生的各种版本依赖关系
http://blog.chinaunix.net/uid-26916352-id-4226916.html
ubuntu 系统下使用pip：ImportError: No module named 'pip._internal'的解决
https://blog.csdn.net/weixin_44607126/article/details/90761637

ubuntu18.04 安装pip并修改为阿里云pip源
https://blog.csdn.net/sinat_36188088/article/details/105418036

3.安装pyqt5

更换了pip的源之后，安装直接执行
$ sudo pip3 install PyQt5
$ sudo pip3 install PyQt5-tools

安装完成！！！
4.