app.py

# Will be started via hug -m

import endpoints
import hug
from libtree import Tree
from libtree.core.database import make_dsn_from_env
import psycopg2
import os

dsn = make_dsn_from_env(os.environ)
connection = psycopg2.connect(dsn)
tree = Tree(connection)

make_directive('tree', tree)

@hug.extend_api('/cms')
def cms_api():
    return [endpoints.cms]

endpoints_cms.py

import hug

@hug.post('/add_object')
def add_object(tree: needs_magic_here.tree, title, parent):
  ...