jupyter_server_config_extra_tmpl.py

import os
from pathlib import Path

import hubbleds
import logging

logging.getLogger('tornado.access').disabled = True

NB_PATH = Path(hubbleds.__file__).parent / "HubbleDS.ipynb"
SERVICE_PREFIX = os.environ["JUPYTERHUB_SERVICE_PREFIX"]
CDS_API_KEY = "${CDS_API_KEY}"

c.ServerProxy.servers = {
    "hubble": {
        "command": [
            "voila",
            f"{NB_PATH.resolve()}",
            "--port={port}",
            "--no-browser",
            "--Voila.base_url={base_url}hubble/",
            "--Voila.server_url=/",
            "--Voila.tornado_settings={{'allow_origin': '*'}}",
            "--VoilaConfiguration.template=cosmicds-default",
            "--VoilaConfiguration.theme=dark",
            # "--VoilaConfiguration.enable_nbextensions=true",
            "--VoilaConfiguration.file_allowlist=['.*']",
            "--VoilaConfiguration.show_tracebacks=true",
            # "--VoilaConfiguration.http_keep_alive_timeout=5",
            # "--MappingKernelManager.cull_interval=240",
            # "--MappingKernelManager.cull_idle_timeout=600",
            # "--ExecutePreprocessor.timeout=300"
        ],
        "absolute_url": False,
        "launcher_entry": {"title": "Hubble Data Story"},
        "timeout": 30,
        "environment": {
            "CDS_API_KEY": CDS_API_KEY
        }
    },
}