Source code for bokeh.server.views.root_handler

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# Copyright (c) 2012 - 2022, Anaconda, Inc., and Bokeh Contributors.
# All rights reserved.
#
# The full license is in the file LICENSE.txt, distributed with this software.
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''' Provide a Request handler that lists the application (if more than one)
or (if only one) redirects to the route of that applications.

'''

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# Boilerplate
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from __future__ import annotations

import logging # isort:skip
log = logging.getLogger(__name__)

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# Imports
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# External imports
from tornado.web import authenticated

# Bokeh imports
from .auth_request_handler import AuthRequestHandler

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# Globals and constants
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__all__ = (
    'RootHandler',
)

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# General API
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# Dev API
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[docs]class RootHandler(AuthRequestHandler): ''' Implements a custom Tornado handler to display the available applications If only one application it redirects to that application route '''
[docs] def initialize(self, *args, **kw): self.applications = kw["applications"] self.prefix = kw["prefix"] self.index = kw["index"] self.use_redirect = kw["use_redirect"]
@authenticated async def get(self, *args, **kwargs): prefix = "" if self.prefix is None else self.prefix if self.use_redirect and len(self.applications) == 1: app_names = list(self.applications.keys()) redirect_to = prefix + app_names[0] self.redirect(redirect_to) else: index = "app_index.html" if self.index is None else self.index self.render(index, prefix=prefix, items=sorted(self.applications.keys()))
#----------------------------------------------------------------------------- # Private API #----------------------------------------------------------------------------- #----------------------------------------------------------------------------- # Code #-----------------------------------------------------------------------------