Flask-Breadcrumbs is a Flask extension that adds support for generating site breadcrumb navigation.

Flask-Breadcrumbs is on PyPI so all you need is:

pip install Flask-Breadcrumbs

Documentation is readable at http://flask-breadcrumbs.readthedocs.org or can be build using Sphinx:

git submodule init
git submodule update
pip install Sphinx
python setup.py build_sphinx

Running the test suite is as simple as:

python setup.py test

or, to also show code coverage:

./run-tests.sh