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Use jupyter_server if notebook package isn't available

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yuvipanda
2019-06-04 13:42:52 +02:00
parent 5eb7a14a33
commit cab1bca6fb
1 changed files with 14 additions and 10 deletions
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24
jupyterhub/singleuser.py
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@@ -21,13 +21,19 @@ from tornado.httpclient import HTTPRequest
from tornado.web import HTTPError
from tornado.web import RequestHandler
use_serverapp = os.environ.get('USE_JUPYTER_SERVER', 'False') == 'True'
required_package = 'jupyter_server' if use_serverapp else 'notebook'
try:
parent_module = importlib.import_module(required_package)
import notebook
use_serverapp = False
server_package = 'notebook'
app_name = 'notebook.notebookapp'
except ImportError:
raise ImportError("JupyterHub single-user server requires {}".format(required_package))
try:
import jupyter_server
use_serverapp = True
server_package = 'jupyter_server'
app_name = 'jupyter_server.serverapp'
except ImportError:
raise ImportError("JupyterHub single-user server requires notebook or jupyter_server packages")
from traitlets import (
Any,
@@ -42,17 +48,15 @@ from traitlets import (
TraitError,
)
app_name = 'jupyter_server.serverapp' if use_serverapp else 'notebook.notebookapp'
app_module = importlib.import_module(app_name)
NotebookApp = getattr(app_module, 'ServerApp' if use_serverapp else 'NotebookApp')
notebook_aliases = app_module.aliases
notebook_flags = app_module.flags
LoginHandler = getattr(importlib.import_module(required_package + '.auth.login'), 'LoginHandler')
LogoutHandler = getattr(importlib.import_module(required_package + '.auth.logout'), 'LogoutHandler')
LoginHandler = getattr(importlib.import_module(server_package + '.auth.login'), 'LoginHandler')
LogoutHandler = getattr(importlib.import_module(server_package + '.auth.logout'), 'LogoutHandler')
IPythonHandler = getattr(
importlib.import_module(required_package + '.base.handlers'),
importlib.import_module(server_package + '.base.handlers'),
'JupyterHandler' if use_serverapp else 'IPythonHandler'
)