With nuxeo.request(...)
you can run any request you want
on the REST API. The following list of examples isn't exhaustive,
but you can search for available operations on the
explorer
(click on Search Operations on the version corresponding
to your Nuxeo Platform).
Fetch the Administrator user
user = nuxeo.client.request('GET', 'user/Administrator')
Fetch the whole list of Natures
natures = nuxeo.client.request('GET', 'directory/nature')