The default version of Python in the Ubuntu14.04 system is 2.7.6
After pip is upgraded, some python packages are installed through pip and the following two warnings (SNIMissingWarning and InsecurePlatformWarning) are reported. In fact, it is an SSL problem. urllib3 requires pyopenssl
1. First install mysql server, see: http://rule.iteye.com/admin/blogs/2276278
2. Install dependencies
sudo apt-get install python-dev libmysqlclient-dev
3. Install the mysqlclient driver
sudo pip install mysqlclient
Report SNIMissingWarning and InsecurePlatformWarning alarms
4. Solve these two alarm problems by installing dependency packages such as pyopenssl
sudo apt-get install libffi-dev libssl-dev
pip install cryptography
pip install pyopenssl ndg-httpsclient pyasn1
Reference: https://urllib3.readthedocs.org/en/latest/security.html#snimissingwarning