import os
from traitlets import default
from .labapp import LabApp
try:
from jupyterhub.singleuser import SingleUserNotebookApp
except ImportError:
SingleUserLabApp = None
raise ImportError('You must have jupyterhub installed for this to work.')
else:
class SingleUserLabApp(SingleUserNotebookApp, LabApp):
@default("default_url")
def _default_url(self):
"""when using jupyter-labhub, jupyterlab is default ui"""
return "/lab"
def init_webapp(self, *args, **kwargs):
super().init_webapp(*args, **kwargs)
settings = self.web_app.settings
if 'page_config_data' not in settings:
settings['page_config_data'] = {}
settings['page_config_data']['hub_prefix'] = self.hub_prefix
settings['page_config_data']['hub_host'] = self.hub_host
settings['page_config_data']['hub_user'] = self.user
api_token = os.getenv('JUPYTERHUB_API_TOKEN')
if not api_token:
api_token = ''
if not self.token:
try:
self.token = api_token
except AttributeError:
self.log.error("Can't set self.token")
settings['page_config_data']['token'] = api_token
def main(argv=None):
return SingleUserLabApp.launch_instance(argv)
if __name__ == "__main__":
main()