Attributes — h5py 3.5.0 documentation
https://docs.h5py.org/en/stable/high/attr.htmlAttributes. Attributes are a critical part of what makes HDF5 a “self-describing” format. They are small named pieces of data attached directly to Group and Dataset objects. This is the official way to store metadata in HDF5. Each Group or Dataset has a small proxy object attached to it, at <obj>.attrs. Attributes have the following properties:
netCDF4 API documentation - GitHub Pages
unidata.github.io/netcdf4-pythonGroups can exist within groups in a Dataset, just as directories exist within directories in a unix filesystem.Each Group instance has a groups attribute dictionary containing all of the group instances contained within that group. Each Group instance also has a path attribute that contains a simulated unix directory path to that group. To simplify the creation of nested groups, you can …