sphinx-hoverxref is a Sphinx extension to add tooltips on the cross references of the documentation with the content of the linked section.
You can install sphinx-hoverxref from PyPI:
pip install sphinx-hoverxref
Or, alternatively, install it from GitHub directly (requires git):
pip install git+https://github.com/readthedocs/sphinx-hoverxref
Add this extension in your conf.py file as:
extensions = [
# ... other extensions here
'hoverxref.extension',
]Check out the full documentation at https://sphinx-hoverxref.readthedocs.io/