[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

docs/source/rbac/generate-scope-table.py

@@ -13,6 +13,7 @@ The files are:
        This file is JupyterHub's REST API schema. Both a version and the RBAC
        scopes descriptions are updated in it.
 """
+
 import os
 from collections import defaultdict
 from pathlib import Path

examples/bootstrap-script/jupyterhub_config.py

@@ -2,6 +2,7 @@
 Example for a Spawner.pre_spawn_hook
 create a directory for the user before the spawner starts
 """
+
 # pylint: disable=import-error
 import os
 import shutil

examples/external-oauth/whoami-oauth-basic.py

@@ -3,6 +3,7 @@
 Implements OAuth handshake manually
 so all URLs and requests necessary for OAuth with JupyterHub should be in one place
 """
+
 import json
 import os
 from urllib.parse import urlencode, urlparse

examples/service-whoami/whoami-oauth.py

@@ -4,6 +4,7 @@ This example service serves `/services/whoami-oauth/`,
 authenticated with the Hub,
 showing the user their own info.
 """
+
 import json
 import os
 from urllib.parse import urlparse

examples/service-whoami/whoami.py

@@ -4,6 +4,7 @@ This serves `/services/whoami-api/`, authenticated with the Hub, showing the use
 
 HubAuthenticated only supports token-based access.
 """
+
 import json
 import os
 from urllib.parse import urlparse

examples/spawn-form/jupyterhub_config.py

@@ -1,6 +1,7 @@
 """
 Example JupyterHub config allowing users to specify environment variables and notebook-server args
 """
+
 import shlex
 
 from jupyterhub.spawner import LocalProcessSpawner

jupyterhub/_memoize.py

@@ -3,6 +3,7 @@
 Note: a memoized function should always return an _immutable_
 result to avoid later modifications polluting cached results.
 """
+
 from collections import OrderedDict
 from functools import wraps
 

jupyterhub/_version.py

@@ -1,4 +1,5 @@
 """JupyterHub version info"""
+
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 # version_info updated by running `tbump`

jupyterhub/alembic/versions/0eee8c825d24_added_properties_column.py

@@ -5,6 +5,7 @@ Revises: 833da8570507
 Create Date: 2021-09-15 14:04:09.067024
 
 """
+
 # revision identifiers, used by Alembic.
 revision = '0eee8c825d24'
 down_revision = '651f5419b74d'

jupyterhub/alembic/versions/19c0846f6344_base_revision_for_0_5.py

@@ -5,6 +5,7 @@ Revises:
 Create Date: 2016-04-11 16:05:34.873288
 
 """
+
 # revision identifiers, used by Alembic.
 revision = '19c0846f6344'
 down_revision = None

jupyterhub/alembic/versions/1cebaf56856c_session_id.py

@@ -5,6 +5,7 @@ Revises: 3ec6993fe20c
 Create Date: 2017-12-07 14:43:51.500740
 
 """
+
 # revision identifiers, used by Alembic.
 revision = '1cebaf56856c'
 down_revision = '3ec6993fe20c'

jupyterhub/alembic/versions/3ec6993fe20c_encrypted_auth_state.py

@@ -12,6 +12,7 @@ Revises: af4cbdb2d13c
 Create Date: 2017-07-28 16:44:40.413648
 
 """
+
 # revision identifiers, used by Alembic.
 revision = '3ec6993fe20c'
 down_revision = 'af4cbdb2d13c'

jupyterhub/alembic/versions/4dc2d5a8c53c_user_options.py

@@ -5,6 +5,7 @@ Revises: 896818069c98
 Create Date: 2019-02-28 14:14:27.423927
 
 """
+
 # revision identifiers, used by Alembic.
 revision = '4dc2d5a8c53c'
 down_revision = '896818069c98'

jupyterhub/alembic/versions/56cc5a70207e_token_tracking.py

@@ -5,6 +5,7 @@ Revises: 1cebaf56856c
 Create Date: 2017-12-19 15:21:09.300513
 
 """
+
 # revision identifiers, used by Alembic.
 revision = '56cc5a70207e'
 down_revision = '1cebaf56856c'

jupyterhub/alembic/versions/651f5419b74d_api_token_scopes.py

@@ -5,6 +5,7 @@ Revises: 833da8570507
 Create Date: 2022-02-28 12:42:55.149046
 
 """
+
 # revision identifiers, used by Alembic.
 revision = '651f5419b74d'
 down_revision = '833da8570507'

jupyterhub/alembic/versions/833da8570507_rbac.py

@@ -6,6 +6,7 @@ Revises: 4dc2d5a8c53c
 Create Date: 2021-02-17 15:03:04.360368
 
 """
+
 # revision identifiers, used by Alembic.
 revision = '833da8570507'
 down_revision = '4dc2d5a8c53c'

jupyterhub/alembic/versions/896818069c98_token_expires.py

@@ -5,6 +5,7 @@ Revises: d68c98b66cd4
 Create Date: 2018-05-07 11:35:58.050542
 
 """
+
 # revision identifiers, used by Alembic.
 revision = '896818069c98'
 down_revision = 'd68c98b66cd4'

jupyterhub/alembic/versions/99a28a4418e1_user_created.py

@@ -5,6 +5,7 @@ Revises: 56cc5a70207e
 Create Date: 2018-03-21 14:27:17.466841
 
 """
+
 # revision identifiers, used by Alembic.
 revision = '99a28a4418e1'
 down_revision = '56cc5a70207e'

jupyterhub/alembic/versions/af4cbdb2d13c_services.py

@@ -5,6 +5,7 @@ Revises: eeb276e51423
 Create Date: 2016-07-28 16:16:38.245348
 
 """
+
 # revision identifiers, used by Alembic.
 revision = 'af4cbdb2d13c'
 down_revision = 'eeb276e51423'

jupyterhub/alembic/versions/d68c98b66cd4_client_description.py

@@ -5,6 +5,7 @@ Revises: 99a28a4418e1
 Create Date: 2018-04-13 10:50:17.968636
 
 """
+
 # revision identifiers, used by Alembic.
 revision = 'd68c98b66cd4'
 down_revision = '99a28a4418e1'

jupyterhub/alembic/versions/eeb276e51423_auth_state.py

@@ -6,6 +6,7 @@ Revision ID: eeb276e51423
 Revises: 19c0846f6344
 Create Date: 2016-04-11 16:06:49.239831
 """
+
 # revision identifiers, used by Alembic.
 revision = 'eeb276e51423'
 down_revision = '19c0846f6344'

jupyterhub/apihandlers/auth.py

@@ -1,4 +1,5 @@
 """Authorization handlers"""
+
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 import json

jupyterhub/apihandlers/base.py

@@ -1,4 +1,5 @@
 """Base API handlers"""
+
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 import json

jupyterhub/apihandlers/groups.py

@@ -1,4 +1,5 @@
 """Group handlers"""
+
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 import json

jupyterhub/apihandlers/hub.py

@@ -1,4 +1,5 @@
 """API handlers for administering the Hub itself"""
+
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 import json

jupyterhub/apihandlers/proxy.py

@@ -1,4 +1,5 @@
 """Proxy handlers"""
+
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 import json

jupyterhub/apihandlers/services.py

@@ -2,6 +2,7 @@
 
 Currently GET-only, no actions can be taken to modify services.
 """
+
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 import json

jupyterhub/apihandlers/users.py

@@ -1,4 +1,5 @@
 """User handlers"""
+
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 import asyncio

jupyterhub/auth.py

@@ -1,4 +1,5 @@
 """Base Authenticator class and the default PAM Authenticator"""
+
 # Copyright (c) IPython Development Team.
 # Distributed under the terms of the Modified BSD License.
 import inspect

jupyterhub/dbutil.py

@@ -1,4 +1,5 @@
 """Database utilities for JupyterHub"""
+
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 # Based on pgcontents.utils.migrate, used under the Apache license.

jupyterhub/handlers/base.py

@@ -1,4 +1,5 @@
 """HTTP Handlers for the hub server"""
+
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 import asyncio

jupyterhub/handlers/login.py

@@ -1,4 +1,5 @@
 """HTTP Handlers for the hub server"""
+
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 import asyncio

jupyterhub/handlers/metrics.py

@@ -1,4 +1,5 @@
 """Handlers for serving prometheus metrics"""
+
 from prometheus_client import CONTENT_TYPE_LATEST, REGISTRY, generate_latest
 
 from ..utils import metrics_authentication

jupyterhub/handlers/pages.py

@@ -1,4 +1,5 @@
 """Basic html-rendering handlers."""
+
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 import asyncio

jupyterhub/log.py

@@ -1,4 +1,5 @@
 """logging utilities"""
+
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 import json

jupyterhub/oauth/provider.py

@@ -2,6 +2,7 @@
 
 implements https://oauthlib.readthedocs.io/en/latest/oauth2/server.html
 """
+
 from oauthlib import uri_validate
 from oauthlib.oauth2 import RequestValidator, WebApplicationServer
 from oauthlib.oauth2.rfc6749.grant_types import authorization_code, base

jupyterhub/objects.py

@@ -1,4 +1,5 @@
 """Some general objects for use in JupyterHub"""
+
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 import socket

jupyterhub/orm.py

@@ -1,4 +1,5 @@
 """sqlalchemy ORM tools for the state of the constellation of processes"""
+
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 import enum

jupyterhub/proxy.py

@@ -14,6 +14,7 @@ Route Specification:
   'host.tld/path/' for host-based routing or '/path/' for default routing.
 - Route paths should be normalized to always start and end with '/'
 """
+
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 import asyncio

jupyterhub/roles.py

@@ -1,4 +1,5 @@
 """Roles utils"""
+
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 import re

jupyterhub/scopes.py

@@ -14,6 +14,7 @@ intersection : set of expanded scopes as intersection of 2 expanded scope sets
 identify scopes: set of expanded scopes needed for identify (whoami) endpoints
 reduced scopes: expanded scopes that have been reduced
 """
+
 import functools
 import inspect
 import re

jupyterhub/services/auth.py

@@ -23,6 +23,7 @@ If you are using OAuth, you will also need to register an oauth callback handler
 A tornado implementation is provided in :class:`HubOAuthCallbackHandler`.
 
 """
+
 import asyncio
 import hashlib
 import json

jupyterhub/services/service.py

@@ -38,6 +38,7 @@ A hub-managed service with no URL::
     }
 
 """
+
 import asyncio
 import copy
 import os

jupyterhub/singleuser/__init__.py

@@ -12,6 +12,7 @@ Application subclass can be controlled with environment variables:
 - JUPYTERHUB_SINGLEUSER_EXTENSION=1 to opt-in to the extension (requires Jupyter Server 2)
 - JUPYTERHUB_SINGLEUSER_APP=notebook (or jupyter-server) to opt-in
 """
+
 import os
 
 from .mixins import HubAuthenticatedHandler, make_singleuser_app

jupyterhub/singleuser/app.py

@@ -8,6 +8,7 @@
     Default app changed to launch `jupyter labhub`.
     Use JUPYTERHUB_SINGLEUSER_APP='notebook' for the legacy 'classic' notebook server (requires notebook<7).
 """
+
 import os
 
 from traitlets import import_item

jupyterhub/singleuser/extension.py

@@ -613,9 +613,9 @@ class JupyterHubSingleUser(ExtensionApp):
         jinja_template_vars['logo_url'] = self.hub_auth.hub_host + url_path_join(
             self.hub_auth.hub_prefix, 'logo'
         )
-        jinja_template_vars[
-            'hub_control_panel_url'
-        ] = self.hub_auth.hub_host + url_path_join(self.hub_auth.hub_prefix, 'home')
+        jinja_template_vars['hub_control_panel_url'] = (
+            self.hub_auth.hub_host + url_path_join(self.hub_auth.hub_prefix, 'home')
+        )
 
     _activity_task = None
 
@@ -628,9 +628,9 @@ class JupyterHubSingleUser(ExtensionApp):
 
         super().initialize()
         app = self.serverapp
-        app.web_app.settings[
-            "page_config_hook"
-        ] = app.identity_provider.page_config_hook
+        app.web_app.settings["page_config_hook"] = (
+            app.identity_provider.page_config_hook
+        )
         # if the user has configured a log function in the tornado settings, do not override it
         if not 'log_function' in app.config.ServerApp.get('tornado_settings', {}):
             app.web_app.settings["log_function"] = log_request

jupyterhub/singleuser/mixins.py

@@ -734,9 +734,9 @@ class SingleUserNotebookAppMixin(Configurable):
         )
         self.jinja_template_vars['hub_host'] = self.hub_host
         self.jinja_template_vars['hub_prefix'] = self.hub_prefix
-        self.jinja_template_vars[
-            'hub_control_panel_url'
-        ] = self.hub_host + url_path_join(self.hub_prefix, 'home')
+        self.jinja_template_vars['hub_control_panel_url'] = (
+            self.hub_host + url_path_join(self.hub_prefix, 'home')
+        )
 
         settings = self.web_app.settings
         # patch classic notebook jinja env

jupyterhub/spawner.py

@@ -1,6 +1,7 @@
 """
 Contains base Spawner class & default implementation
 """
+
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 import ast

jupyterhub/tests/browser/test_browser.py

@@ -878,9 +878,11 @@ async def test_oauth_page(
         user_scopes or ['(no_scope)'], user.name
     )
     desc_list_expected = [
+        (
             f"{sd['description']} Applies to {sd['filter']}."
             if sd.get('filter')
             else sd['description']
+        )
         for sd in scope_descriptions
     ]
     assert sorted(desc_list_form) == sorted(desc_list_expected)

jupyterhub/tests/conftest.py

@@ -23,6 +23,7 @@ Fixtures to add functionality or spawning behavior
 - `slow_bad_spawn`
 
 """
+
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 import asyncio

jupyterhub/tests/mocking.py

@@ -26,6 +26,7 @@ Other components
 - public_url
 
 """
+
 import asyncio
 import os
 import sys

jupyterhub/tests/mockserverapp.py

@@ -1,4 +1,5 @@
 """Example JupyterServer app subclass"""
+
 from jupyter_server.base.handlers import JupyterHandler
 from jupyter_server.serverapp import ServerApp
 from tornado import web

jupyterhub/tests/mockservice.py

@@ -12,6 +12,7 @@ Handlers and their purpose include:
 - WhoAmIHandler: returns name of user making a request (deprecated cookie login)
 - OWhoAmIHandler: returns name of user making a request (OAuth login)
 """
+
 import json
 import os
 import pprint

jupyterhub/tests/mocksu.py

@@ -11,6 +11,7 @@ Handlers and their purpose include:
 - ArgsHandler: allowing retrieval of `sys.argv`.
 
 """
+
 import json
 import os
 import sys

jupyterhub/tests/populate_db.py

@@ -4,6 +4,7 @@ Run with old versions of jupyterhub to test upgrade/downgrade
 
 used in test_db.py
 """
+
 from functools import partial
 
 import jupyterhub

jupyterhub/tests/test_api.py

@@ -1,4 +1,5 @@
 """Tests for the REST API."""
+
 import asyncio
 import json
 import re

jupyterhub/tests/test_app.py

@@ -1,4 +1,5 @@
 """Test the JupyterHub entry point"""
+
 import asyncio
 import binascii
 import json

jupyterhub/tests/test_auth.py

@@ -1,4 +1,5 @@
 """Tests for PAM authentication"""
+
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 import logging

jupyterhub/tests/test_auth_expiry.py

@@ -7,6 +7,7 @@ authentication can expire in a number of ways:
 - doesn't need refresh
 - needs refresh and cannot be refreshed without new login
 """
+
 from unittest import mock
 from urllib.parse import parse_qs, urlparse
 

jupyterhub/tests/test_dummyauth.py

@@ -1,4 +1,5 @@
 """Tests for dummy authentication"""
+
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 from jupyterhub.auth import DummyAuthenticator

jupyterhub/tests/test_eventlog.py

@@ -5,6 +5,7 @@ To test a new schema or event, simply add it to the
 
 You *shouldn't* need to write new tests.
 """
+
 import io
 import json
 import logging

jupyterhub/tests/test_internal_ssl_connections.py

@@ -1,4 +1,5 @@
 """Tests for jupyterhub internal_ssl connections"""
+
 import sys
 import time
 from unittest import mock

jupyterhub/tests/test_named_servers.py

@@ -1,4 +1,5 @@
 """Tests for named servers"""
+
 import asyncio
 import json
 import time

jupyterhub/tests/test_objects.py

@@ -1,4 +1,5 @@
 """Tests for basic object-wrappers"""
+
 import socket
 
 import pytest

jupyterhub/tests/test_orm.py

@@ -1,4 +1,5 @@
 """Tests for the ORM bits"""
+
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 import os

jupyterhub/tests/test_pages.py

@@ -1,4 +1,5 @@
 """Tests for HTML pages"""
+
 import asyncio
 import sys
 from unittest import mock

jupyterhub/tests/test_proxy.py

@@ -1,4 +1,5 @@
 """Test a proxy being started before the Hub"""
+
 import json
 import os
 from contextlib import contextmanager

jupyterhub/tests/test_roles.py

@@ -1,4 +1,5 @@
 """Test roles"""
+
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 import json

jupyterhub/tests/test_scopes.py

@@ -1,4 +1,5 @@
 """Test scopes for API handlers"""
+
 from operator import itemgetter
 from unittest import mock
 

jupyterhub/tests/test_services.py

@@ -1,4 +1,5 @@
 """Tests for services"""
+
 import os
 import sys
 from binascii import hexlify

jupyterhub/tests/test_services_auth.py

@@ -1,4 +1,5 @@
 """Tests for service authentication"""
+
 import copy
 import os
 import sys

jupyterhub/tests/test_singleuser.py

@@ -1,4 +1,5 @@
 """Tests for jupyterhub.singleuser"""
+
 import os
 import sys
 from contextlib import nullcontext

jupyterhub/tests/test_spawner.py

@@ -1,4 +1,5 @@
 """Tests for process spawning"""
+
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 import asyncio

jupyterhub/tests/test_utils.py

@@ -1,4 +1,5 @@
 """Tests for utilities"""
+
 import asyncio
 import time
 from concurrent.futures import ThreadPoolExecutor

jupyterhub/tests/test_version.py

@@ -1,4 +1,5 @@
 """Test version checking"""
+
 import logging
 
 import pytest

jupyterhub/traitlets.py

@@ -1,6 +1,7 @@
 """
 Traitlets that are used in JupyterHub
 """
+
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 import sys

jupyterhub/user.py

@@ -795,9 +795,9 @@ class User:
             await spawner.run_auth_state_hook(auth_state)
 
             # update spawner start time, and activity for both spawner and user
-            self.last_activity = (
-                spawner.orm_spawner.started
-            ) = spawner.orm_spawner.last_activity = utcnow(with_tz=False)
+            self.last_activity = spawner.orm_spawner.started = (
+                spawner.orm_spawner.last_activity
+            ) = utcnow(with_tz=False)
             db.commit()
             # wait for spawner.start to return
             # run optional preparation work to bootstrap the notebook

jupyterhub/utils.py

@@ -1,4 +1,5 @@
 """Miscellaneous utilities"""
+
 # Copyright (c) Jupyter Development Team.
 # Distributed under the terms of the Modified BSD License.
 import asyncio