Here's a simple way to count lines of code via the command line that I recently used for a Django project:

find . -name '*.py' -not -path "*/migrations/*" | xargs wc -l

or

wc -l **/*.py

Source: http://stackoverflow.com/questions/1358540/how-to-count-all-the-lines-of-code-in-a-directory-recursively#1358573