hub/venv/lib/python3.7/site-packages/notebook/services/api/handlers.py

57 lines
1.6 KiB
Python
Raw Normal View History

"""Tornado handlers for api specifications."""
# Copyright (c) Jupyter Development Team.
# Distributed under the terms of the Modified BSD License.
import json
import os
from tornado import gen, web
from ...base.handlers import IPythonHandler, APIHandler
from notebook._tz import utcfromtimestamp, isoformat
from notebook.utils import maybe_future
class APISpecHandler(web.StaticFileHandler, IPythonHandler):
def initialize(self):
web.StaticFileHandler.initialize(self, path=os.path.dirname(__file__))
@web.authenticated
def get(self):
self.log.warning("Serving api spec (experimental, incomplete)")
return web.StaticFileHandler.get(self, 'api.yaml')
def get_content_type(self):
return 'text/x-yaml'
class APIStatusHandler(APIHandler):
_track_activity = False
@web.authenticated
@gen.coroutine
def get(self):
# if started was missing, use unix epoch
started = self.settings.get('started', utcfromtimestamp(0))
started = isoformat(started)
kernels = yield maybe_future(self.kernel_manager.list_kernels())
total_connections = sum(k['connections'] for k in kernels)
last_activity = isoformat(self.application.last_activity())
model = {
'started': started,
'last_activity': last_activity,
'kernels': len(kernels),
'connections': total_connections,
}
self.finish(json.dumps(model, sort_keys=True))
default_handlers = [
(r"/api/spec.yaml", APISpecHandler),
(r"/api/status", APIStatusHandler),
]