LMDB installation

Official Website: http://lmdb.readthedocs.io/en/release/

• Install commands for Ubuntu:

$ sudo apt-get install libffi-dev python-dev build-essential
$ sudo pip install lmdb

• Check by pip:

$ pip show lmdb
---
Name: lmdb
Version: 0.89
Location: /usr/local/lib/python2.7/dist-packages
Requires: