Python pip install from git with specific revision

There are times when you want to try a specific revision of a package that is under a specific git revision.

The general syntax is

pip install -e git://github.com/{ username }/{ reponame }.git@{ tag name }#egg={ desired egg name }

An this is how to install from tag 3.7.0b0 from github via https

# install
pip install git+https://github.com/mongodb/mongo-python-driver.git@3.7.0b0#egg=pymongo

# use pymongo
import pymongo
pymongo.MongoClient()

# MongoClient(host=['localhost:27017'], document_class=dict, tz_aware=False, connect=True)