requirements.txt

# This will first install the library located at the file path and then
# move on to its abstract dependencies (listed in install_requires),
# combining them with its --index option (the PyPi location) and
# turning them into concrete dependencies and installing them.
# Reference: https://caremad.io/blog/setup-vs-requirement/
--index-url https://pypi.python.org/simple/

-e .