Retrieve Numeric Folders from datacat and sort them numerically

nsortfolders.py

from datacat import client_from_config_file
from datacat.model import Folder
import os

client = client_from_config_file()

def is_valid_folder(child):
    try:
        if isinstance(child, Folder)  and float(child.name):
            return True
    except ValueError:
        pass
    return False

path = "/LSST/Raw/eTravelerFiles/SLAC/boojum/boojum-01/hasInputs" 
children = [c for c in client.children(path) if is_valid_folder(c)]

nkey = lambda c: float(c.name)
children.sort(key=nkey)

latest_path = children[-1].path

# Search in latest path directly
datasets = client.search(latest_path, ...)

# Search child folders of latest path
latest_children = os.path.join(latest_path, "*")
datasets = client.search(latest_children, ...)

# Recursively search starting at latest path
latest_children_recur = os.path.join(latest_path, "**")
datasets = client.search(latest_children_recur, ...)