First, get the sources of yabgp:
$ git clone https://github.com/smartbgp/yabgp
Now to build yabgp:
$ cd yabgp
Install the requirements following this command, and observe the following logs:
$ pip install -r requirements.txt .. Successfully installed Twisted Flask Flask-HTTPAuth netaddr zope.interface Werkzeug Jinja2 itsdangerous MarkupSafe Cleaning up...
Now you may confirm the correct installation of yabgpd by using the following command:
$ cd bin $ python yabgpd -h
This will output detailed help information on yabgpd.