def test_load_extension(self):
app = NotebookApp()
stderr = sys.stderr
sys.stderr = self.devnull
app.initialize(argv=[])
sys.stderr = stderr
load_jupyter_server_extension(app)
def test_load_extension(self):
app = NotebookApp()
stderr = sys.stderr
sys.stderr = self.devnull
app.initialize()
sys.stderr = stderr
load_jupyter_server_extension(app)
def pwnbook(_parser, cmd, args): # pragma: no cover
"""
Start a jupyter notebook with the pwnypack enhanced kernel pre-loaded.
"""
notebook = NotebookApp(kernel_spec_manager_class=KSM)
notebook.initialize(args)
notebook.start()
def test_load_ordered(self):
app = NotebookApp()
app.nbserver_extensions = OrderedDict([('mockextension2',True),('mockextension1',True)])
app.init_server_extensions()
assert app.mockII is True, "Mock II should have been loaded"
assert app.mockI is True, "Mock I should have been loaded"
assert app.mock_shared == 'II', "Mock II should be loaded after Mock I"
def test_load_extension(self):
app = NotebookApp()
stderr = sys.stderr
sys.stderr = self.devnull
app.initialize()
sys.stderr = stderr
web_app = app.web_app
prev = len(web_app.handlers)
load_jupyter_server_extension(app)
assert len(web_app.handlers) > prev
def run_server(target, jupyter_args=None, verbosity=1):
RPZKernelManager.rpz_target = target
RPZKernelManager.rpz_verbosity = verbosity
if not jupyter_args:
jupyter_args = []
logger.info("Starting Jupyter notebook")
NotebookApp.launch_instance(argv=jupyter_args,
kernel_manager_class=RPZMappingKernelManager)
def test_load_extension(self):
app = NotebookApp()
stderr = sys.stderr
sys.stderr = self.devnull
app.initialize()
sys.stderr = stderr
web_app = app.web_app
prev = len(web_app.handlers)
load_jupyter_server_extension(app)
assert len(web_app.handlers) > prev
def test_add_handlers(self):
app = NotebookApp()
stderr = sys.stderr
sys.stderr = self.devnull
app.initialize()
sys.stderr = stderr
web_app = app.web_app
prev = len(web_app.handlers)
add_handlers(web_app, {})
assert len(web_app.handlers) > prev
def test_add_handlers(self):
app = NotebookApp()
stderr = sys.stderr
sys.stderr = self.devnull
app.initialize()
sys.stderr = stderr
web_app = app.web_app
prev = len(web_app.handlers)
add_handlers(web_app, {})
assert len(web_app.handlers) > prev
def dask_setup(scheduler):
app = NotebookApp()
ip = socket.gethostbyname(socket.gethostname())
app.ip = "0.0.0.0"
app.initialize([])
Run.get_context().log(
"jupyter-url",
"http://" + ip + ":" + str(app.port) + "/?token=" + app.token)
Run.get_context().log("jupyter-port", app.port)
Run.get_context().log("jupyter-token", app.token)
Run.get_context().log("jupyter-ip", ip)
def start(self):
# Save current config for the node script.
config = dict(baseUrl=self.connection_url, token=self.token)
with open('config.json', 'w') as fid:
json.dump(config, fid)
messaging_pipeline = Queue()
messaging_pipeline.put(config)
p1 = Process(target=start_node_server, args=(messaging_pipeline, ))
p1.start()
NotebookApp.start(self)
def nb_app():
from notebook.notebookapp import NotebookApp
app = NotebookApp()
app.log_level = logging.DEBUG
app.ip = '127.0.0.1'
app.token = ''
app.password = ''
app.disable_check_xsrf = True
app.initialize()
return app.web_app
def test_ignores_tasks_whose_source_is_not_a_file(monkeypatch, capsys,
tmp_directory,
no_sys_modules_cache):
"""
Context: jupyter extension only applies to tasks whose source is a script,
otherwise it will break, trying to get the source location. This test
checks that a SQLUpload (whose source is a data file) task is ignored
from the extension
"""
monkeypatch.setattr(sys, 'argv', ['jupyter'])
spec = {
'meta': {
'extract_product': False,
'extract_upstream': False,
'product_default_class': {
'SQLUpload': 'SQLiteRelation'
}
},
'clients': {
'SQLUpload': 'db.get_client',
'SQLiteRelation': 'db.get_client'
},
'tasks': [{
'source': 'some_file.csv',
'name': 'task',
'class': 'SQLUpload',
'product': ['some_table', 'table']
}]
}
with open('pipeline.yaml', 'w') as f:
yaml.dump(spec, f)
Path('db.py').write_text("""
from ploomber.clients import SQLAlchemyClient
def get_client():
return SQLAlchemyClient('sqlite://')
""")
Path('file.py').touch()
app = NotebookApp()
app.initialize()
app.contents_manager.get('file.py')
out, err = capsys.readouterr()
assert 'Traceback' not in err
def nb_app():
sys.argv = ["--port=6005", "--ip=127.0.0.1", "--no-browser", "--debug"]
from notebook.notebookapp import NotebookApp
app = NotebookApp()
app.log_level = logging.DEBUG
app.ip = '127.0.0.1'
app.token = ''
app.password = ''
app.disable_check_xsrf = True
app.initialize()
return app.web_app
def run_notebook():
app = NotebookApp.instance()
# Treat IPYTHON_ARGUMENTS from settings
ipython_arguments = self.get_ipython_arguments(options)
if 'django_extensions.management.notebook_extension' not in ipython_arguments:
ipython_arguments.extend([
'--ext',
'django_extensions.management.notebook_extension'
])
# Treat NOTEBOOK_ARGUMENTS from settings
notebook_arguments = self.get_notebook_arguments(options)
if no_browser and '--no-browser' not in notebook_arguments:
notebook_arguments.append('--no-browser')
if '--notebook-dir' not in notebook_arguments:
notebook_arguments.extend(['--notebook-dir', '.'])
# IPython < 3 passes through kernel args from notebook CLI
if release.version_info[0] < 3:
notebook_arguments.extend(ipython_arguments)
app.initialize(notebook_arguments)
# IPython >= 3 uses kernelspecs to specify kernel CLI args
if release.version_info[0] >= 3:
display_name = getattr(settings,
'IPYTHON_KERNEL_DISPLAY_NAME',
"Django Shell-Plus")
install_kernel_spec(app, display_name, ipython_arguments)
app.start()
def n_action(option, opt_str, value, parser):
args = [arg for arg in sys.argv[1:] if arg != opt_str]
options, args = parser.parse_args(args)
sys.argv = ['notebook']
try: # Jupyter/IPython >= 4.0
from notebook.notebookapp import NotebookApp
jupyter = True
except: # IPython <4.0
from IPython.html.notebookapp import NotebookApp
jupyter = False
if jupyter:
ipython_dir = param.resolve_path('platform/ipython',
path_to_file=False)
os.environ['IPYTHONDIR'] = ipython_dir
config_dir = param.resolve_path('platform/jupyter', path_to_file=False)
NotebookApp.config_dir = config_dir
else:
if options.Profile is None:
config_dir = param.resolve_path('platform/ipython/',
path_to_file=False)
NotebookApp.ipython_dir = config_dir
else:
NotebookApp.profile = options.Profile
if options.IP is not None:
NotebookApp.ip = options.IP
if options.Port is not None:
NotebookApp.port = options.Port
NotebookApp().launch_instance()
global something_executed
something_executed = True
def start_thread():
if 'asyncio' in sys.modules:
import asyncio
asyncio.set_event_loop(asyncio.new_event_loop())
app = cls.notebook = NotebookApp(
port=cls.port,
port_retries=0,
open_browser=False,
config_dir=cls.config_dir,
data_dir=cls.data_dir,
runtime_dir=cls.runtime_dir,
notebook_dir=cls.notebook_dir,
base_url=cls.url_prefix,
config=config,
allow_root=True,
token=cls.token,
)
# don't register signal handler during tests
app.init_signal = lambda: None
# clear log handlers and propagate to root for nose to capture it
# needs to be redone after initialize, which reconfigures logging
app.log.propagate = True
app.log.handlers = []
app.initialize(argv=[])
app.log.propagate = True
app.log.handlers = []
loop = IOLoop.current()
loop.add_callback(started.set)
try:
app.start()
finally:
# set the event, so failure to start doesn't cause a hang
started.set()
app.session_manager.close()
def get_nbextensions_path():
"""
Return the nbextensions search path
gets the search path for
- the current NotebookApp instance
or, if we can't instantiate one
- the default config used, found by spawning a subprocess
"""
# Attempt to get the path for the currently-running config, or the default
# if one isn't running.
# If there's already a non-NotebookApp traitlets app running, e.g. when
# we're inside an IPython kernel there's a KernelApp instantiated, then
# attempting to get a NotebookApp instance will raise a
# MultipleInstanceError.
try:
return NotebookApp.instance().nbextensions_path
except MultipleInstanceError:
# So, we spawn a new python process to get paths for the default config
cmd = "from {0} import {1}; [print(p) for p in {1}()]".format(
get_nbextensions_path.__module__, get_nbextensions_path.__name__)
return subprocess.check_output([
sys.executable, '-c', cmd
]).decode(sys.stdout.encoding).split('\n')
def run_notebook():
app = NotebookApp.instance()
# Treat IPYTHON_ARGUMENTS from settings
ipython_arguments = getattr(settings, 'IPYTHON_ARGUMENTS', [])
if 'django_extensions.management.notebook_extension' not in ipython_arguments:
ipython_arguments.extend(['--ext', 'django_extensions.management.notebook_extension'])
# Treat NOTEBOOK_ARGUMENTS from settings
notebook_arguments = getattr(settings, 'NOTEBOOK_ARGUMENTS', [])
if no_browser and '--no-browser' not in notebook_arguments:
notebook_arguments.append('--no-browser')
if '--notebook-dir' not in notebook_arguments:
notebook_arguments.extend(['--notebook-dir', '.'])
# IPython < 3 passes through kernel args from notebook CLI
if release.version_info[0] < 3:
notebook_arguments.extend(ipython_arguments)
app.initialize(notebook_arguments)
# IPython >= 3 uses kernelspecs to specify kernel CLI args
if release.version_info[0] >= 3:
display_name = getattr(settings, 'IPYTHON_KERNEL_DISPLAY_NAME', "Django Shell-Plus")
install_kernel_spec(app, display_name, ipython_arguments)
app.start()
def run_notebook():
app = NotebookApp.instance()
# Treat IPYTHON_ARGUMENTS from settings
ipython_arguments = self.get_ipython_arguments(options)
if "django_extensions.management.notebook_extension" not in ipython_arguments:
ipython_arguments.extend(["--ext", "django_extensions.management.notebook_extension"])
# Treat NOTEBOOK_ARGUMENTS from settings
notebook_arguments = self.get_notebook_arguments(options)
if no_browser and "--no-browser" not in notebook_arguments:
notebook_arguments.append("--no-browser")
if "--notebook-dir" not in notebook_arguments:
notebook_arguments.extend(["--notebook-dir", "."])
# IPython < 3 passes through kernel args from notebook CLI
if release.version_info[0] < 3:
notebook_arguments.extend(ipython_arguments)
app.initialize(notebook_arguments)
# IPython >= 3 uses kernelspecs to specify kernel CLI args
if release.version_info[0] >= 3:
display_name = getattr(settings, "IPYTHON_KERNEL_DISPLAY_NAME", "Django Shell-Plus")
install_kernel_spec(app, display_name, ipython_arguments)
app.start()
def main():
"""Run main."""
opt = parse_cmd_line()
if opt.serve:
# pylint: disable=import-outside-toplevel
from imjoy.server import start_server
start_server(opt)
elif opt.jupyter:
sys.argv = sys.argv[:1]
sys.argc = 1
# pylint: disable=import-outside-toplevel
from notebook.notebookapp import NotebookApp
kwargs = {
"open_browser": False,
"allow_origin": opt.allow_origin,
"ip": opt.host,
"notebook_dir": opt.workspace,
"port": int(opt.port),
"tornado_settings": {
"headers": {
"Access-Control-Allow-Origin": opt.allow_origin,
"Content-Security-Policy": opt.content_security_policy,
}
},
}
if not opt.token:
if not opt.random_token:
opt.token = read_or_generate_token()
kwargs["token"] = opt.token
else:
kwargs["token"] = opt.token
if opt.insecure:
kwargs["token"] = ""
kwargs["disable_check_xsrf"] = True
logger.warning(
"Running Jupyter notebooks with --insecure flag, "
"please do not use it for production."
)
app = NotebookApp.instance(**kwargs)
app.initialize()
if app.port != int(opt.port):
print(f"\nWARNING: using a different port: {app.port}.\n")
write_token(app.token)
app._token_generated = True # pylint: disable=protected-access
app.start()
else:
print(
"\nNote: We have migrated the backend of the ImJoy Engine."
"You can start the Jupyter backend via`imjoy --jupyter`.\n\n"
"Or, you can start the socketio backend server via `imjoy --serve`\n"
)
def main():
current_directory = os.path.dirname(os.path.realpath(__file__))
TestPlugin.app = NotebookApp(open_browser=False, notebook_dir=current_directory)
TestPlugin.app.initialize()
TestPlugin.mock_docker = MagicMock()
io_loop = IOLoop.current()
io_loop.call_later(1, _run_tests_in_thread)
with patch("docker.from_env", return_value=TestPlugin.mock_docker):
TestPlugin.app.start()
def run_notebook():
app = NotebookApp.instance()
# Treat IPYTHON_ARGUMENTS from settings
ipython_arguments = self.get_ipython_arguments(options)
if 'django_extensions.management.notebook_extension' not in ipython_arguments:
ipython_arguments.extend([
'--ext', 'django_extensions.management.notebook_extension'
])
# Treat NOTEBOOK_ARGUMENTS from settings
notebook_arguments = self.get_notebook_arguments(options)
if no_browser and '--no-browser' not in notebook_arguments:
notebook_arguments.append('--no-browser')
if '--notebook-dir' not in notebook_arguments and not any(
e.startswith('--notebook-dir=')
for e in notebook_arguments):
notebook_arguments.extend(['--notebook-dir', '.'])
# IPython < 3 passes through kernel args from notebook CLI
if release.version_info[0] < 3:
notebook_arguments.extend(ipython_arguments)
app.initialize(notebook_arguments)
# IPython >= 3 uses kernelspecs to specify kernel CLI args
if release.version_info[0] >= 3:
ksm = app.kernel_spec_manager
for kid, ks in self.generate_kernel_specs(
app, ipython_arguments).items():
roots = [
os.path.dirname(ks.resource_dir), ksm.user_kernel_dir
]
success = False
for root in roots:
kernel_dir = os.path.join(root, kid)
try:
if not os.path.exists(kernel_dir):
os.makedirs(kernel_dir)
with open(os.path.join(kernel_dir, 'kernel.json'),
'w') as f:
f.write(ks.to_json())
success = True
break
except OSError:
continue
if not success:
raise CommandError(
"Could not write kernel %r in directories %r" %
(kid, roots))
app.start()
def test_merge_config(self):
# enabled at sys level
mock_sys = self._inject_mock_extension('mockext_sys')
# enabled at sys, disabled at user
mock_both = self._inject_mock_extension('mockext_both')
# enabled at user
mock_user = self._inject_mock_extension('mockext_user')
# enabled at Python
mock_py = self._inject_mock_extension('mockext_py')
toggle_serverextension_python('mockext_sys', enabled=True, user=False)
toggle_serverextension_python('mockext_user', enabled=True, user=True)
toggle_serverextension_python('mockext_both', enabled=True, user=False)
toggle_serverextension_python('mockext_both', enabled=False, user=True)
app = NotebookApp(nbserver_extensions={'mockext_py': True})
app.init_server_extensions()
assert mock_user.loaded
assert mock_sys.loaded
assert mock_py.loaded
assert not mock_both.loaded
def start_notebook(verbose, filename='kpop.ipynb'):
try:
from notebook.notebookapp import NotebookApp
from jupyter_client import KernelManager
except ImportError:
raise ImportError(
'you must install the notebook module to run this command.\n'
'\nRun one of the following commands:\n'
' $ pip3 install notebook\n'
' $ pip3 install kpop[all]'
)
file_path = os.path.join(os.getcwd(), filename)
if not os.path.exists(file_path):
create_default_notebook_file(file_path)
sys.argv[:] = ['notebook', 'kpop.ipynb']
NotebookApp.launch_instance(
kernel_manager=KernelManager,
kernel_name='python',
)
def pwnbook(_parser, cmd, args): # pragma: no cover
"""
Start a jupyter notebook with the pwnypack enhanced kernel pre-loaded.
"""
notebook = NotebookApp(kernel_spec_manager_class=KSM)
notebook.initialize(args)
notebook.start()
def get_server_kwargs(cls, **overrides):
kwargs = dict(
port=cls.port,
port_retries=0,
open_browser=False,
runtime_dir=cls.jupyter_dirs['server']['runtime'],
notebook_dir=cls.jupyter_dirs['server']['notebook'],
base_url=cls.url_prefix,
config=cls.config,
)
# disable auth-by-default, introduced in notebook PR #1831
if 'token' in NotebookApp.class_trait_names():
kwargs['token'] = ''
kwargs.update(overrides)
return kwargs
def project(self):
# 1. configuration option passed explicitly
# 2. from notebooks dir
# 3. from cwd
if self.ballet_yml_path:
return Project.from_path(self.ballet_yml_path)
path = NotebookApp.instance().notebook_dir
with fy.suppress(Exception):
return Project.from_path(path)
with fy.suppress(Exception):
return Project.from_cwd()
raise ConfigurationError('Could not detect Ballet project')
def get_server_kwargs(cls, **overrides):
kwargs = dict(
port=cls.port,
port_retries=0,
open_browser=False,
runtime_dir=cls.jupyter_dirs['server']['runtime'],
notebook_dir=cls.jupyter_dirs['server']['notebook'],
base_url=cls.url_prefix,
config=cls.config,
)
# disable auth-by-default, introduced in notebook PR #1831
if 'token' in NotebookApp.class_trait_names():
kwargs['token'] = ''
kwargs.update(overrides)
return kwargs
def _get_r_executable():
try:
# get notebook app
from notebook.notebookapp import NotebookApp
nbapp = NotebookApp.instance()
# get R executable:
kernel_name = nbapp.kernel_manager.default_kernel_name
if kernel_name:
kernel_spec = nbapp.kernel_spec_manager.get_kernel_spec(
kernel_name)
# nb_conda_kernels has conda env prefix at idx 4
return '{}/bin/R'.format(kernel_spec.argv[4])
except Exception:
nbapp.log.warning(
'Error when trying to get R executable from kernel')
return 'R'
def run_notebook(no_browser=False, display_name='notebook'):
app = NotebookApp.instance()
ipython_arguments = [] # Will implement to set specific IPython configs
notebook_arguments = [] # Will implement to set specific notebook configs
if no_browser is True:
notebook_arguments.append('--no-browser')
if '--notebook-dir' not in notebook_arguments:
notebook_arguments.extend(['--notebook-dir', '.'])
install_kernel_spec(app, display_name, ipython_arguments)
app.initialize(notebook_arguments)
app.start()
def start_notebook(args, l, rc):
from notebook.notebookapp import NotebookApp
import sys
sys.argv = ['ambry']
app = NotebookApp.instance()
app._library = l
app.contents_manager_class = 'ambry_ui.jupyter.AmbryContentsManager'
app.open_browser = not args.no_browser
app.ip = args.host
if args.port is not None:
app.port = int(args.port)
app.initialize(None)
app.start()
def run_notebook(no_browser=False, display_name='notebook'):
app = NotebookApp.instance()
ipython_arguments = [
] # Will implement to set specific IPython configs
notebook_arguments = [
] # Will implement to set specific notebook configs
if no_browser is True:
notebook_arguments.append('--no-browser')
if '--notebook-dir' not in notebook_arguments:
notebook_arguments.extend(['--notebook-dir', '.'])
install_kernel_spec(app, display_name, ipython_arguments)
app.initialize(notebook_arguments)
app.start()
def test_basic(self):
from notebook.notebookapp import NotebookApp
import sys
l = self.library()
b = l.new_bundle(source='example.com', dataset='test', assignment_class='self')
l.commit()
sys.argv = ['ambry']
app = NotebookApp.instance()
app._library = l
app.contents_manager_class = 'ambry_ui.jupyter.AmbryContentsManager'
app.initialize(None)
cm = app.contents_manager
self.assertEqual('example.com', cm.get('')['content'][0]['path'])
self.assertEqual('/example.com/test-0.0.1/bundle.yaml', cm.get(b.identity.cache_key)['content'][0]['path'])
def handle(self, arguments):
try:
from notebook.notebookapp import NotebookApp
except ImportError: # pragma: no cover
self.parser.error("notebook not found. Please install it")
else:
extension = "corral.libs.notebook_extension"
pipeline = setup.load_pipeline_setup()
app = NotebookApp.instance()
dir_name = conf.PACKAGE
display_name = pipeline.name
settings_module = conf.CORRAL_SETTINGS_MODULE
ipython_arguments = ['--ext', extension]
app.initialize(arguments)
self.install_kernel_spec(app, dir_name, display_name,
settings_module, ipython_arguments)
app.start()
def __call__(self, args):
kwargs = {}
from notebook.notebookapp import NotebookApp
print(
"You must choose a password so that others cannot connect to "
"your notebook."
)
pw = ytcfg.get("yt", "notebook_password")
if len(pw) == 0 and not args.no_password:
import IPython.lib
pw = IPython.lib.passwd()
print("If you would like to use this password in the future,")
print("place a line like this inside the [yt] section in your")
print("yt configuration file at ~/.config/yt/yt.toml")
print()
print(f"notebook_password = {pw}")
print()
elif args.no_password:
pw = None
if args.port != 0:
kwargs["port"] = int(args.port)
if args.profile is not None:
kwargs["profile"] = args.profile
if pw is not None:
kwargs["password"] = pw
app = NotebookApp(open_browser=args.open_browser, **kwargs)
app.initialize(argv=[])
print()
print("***************************************************************")
print()
print("The notebook is now live at:")
print()
print(f" http://127.0.0.1:{app.port}/")
print()
print("Recall you can create a new SSH tunnel dynamically by pressing")
print(f"~C and then typing -L{app.port}:localhost:{app.port}")
print("where the first number is the port on your local machine. ")
print()
print(
"If you are using %s on your machine already, try "
"-L8889:localhost:%s" % (app.port, app.port)
)
print()
print("***************************************************************")
print()
app.start()
def handle(self, arguments):
try:
from notebook.notebookapp import NotebookApp
except ImportError:
self.parser.error("notebook not found. Please install it")
else:
extension = "corral.libs.notebook_extension"
pipeline = setup.load_pipeline_setup()
app = NotebookApp.instance()
dir_name = conf.PACKAGE
display_name = pipeline.name
settings_module = conf.CORRAL_SETTINGS_MODULE
ipython_arguments = ['--ext', extension]
app.initialize(arguments)
self.install_kernel_spec(
app, dir_name, display_name,
settings_module, ipython_arguments)
app.start()
def launch_notebook(argv=None):
"""
Launch a Jupyter Notebook, with custom Untitled filenames and
a prepopulated first cell with necessary boilerplate code.
Notes
-----
To populate the first cell, the function `new_notebook` imported
in notebook.services.contents needs to be monkey patched. Dirty
but functional. Same thing could be achieved with custom.js or
a ContentsManager subclass, but this is easier!
"""
try:
import nbformat.v4 as nbf
from notebook.notebookapp import NotebookApp
from notebook.services.contents import manager
from traitlets.config import Config
except ImportError:
sys.exit("ERROR: Jupyter Notebook not installed in this environment. "
"Try with `conda install ipython jupyter notebook`")
else:
nbf._original_new_notebook = nbf.new_notebook
def _prepopulate_nb_patch():
nb = nbf._original_new_notebook()
cell = nbf.new_code_cell("# Run this cell to complete Chimera initialization\n"
"from pychimera import enable_chimera, enable_chimera_inline, chimera_view\n"
"enable_chimera()\nenable_chimera_inline()\nimport chimera")
nb['cells'].append(cell)
return nb
manager.new_notebook = _prepopulate_nb_patch
app = NotebookApp()
c = Config()
c.FileContentsManager.untitled_notebook = "Untitled PyChimera Notebook"
app.update_config(c)
app.initialize(argv)
app.start()
def test_get_labconfig(self):
# enabled at sys level
self._inject_mock_extension('mockext_sys')
install_labextension_python('mockext_sys', user=False)
# enabled at sys, disabled at user
self._inject_mock_extension('mockext_both')
install_labextension_python('mockext_both', user=False)
install_labextension_python('mockext_both', user=True)
# enabled at user
self._inject_mock_extension('mockext_user')
install_labextension_python('mockext_user', user=True)
enable_labextension_python('mockext_sys', user=False)
enable_labextension_python('mockext_user', user=True)
enable_labextension_python('mockext_both', user=False)
disable_labextension_python('mockext_both', user=True)
app = NotebookApp()
config = get_labconfig(app).get('labextensions')
assert config['mockext_user']['enabled']
assert config['mockext_sys']['enabled']
assert not config['mockext_both']['enabled']
def get_nbextensions_path():
"""
Return the nbextensions search path
gets the search path for
- the current NotebookApp instance
or, if we can't instantiate one
- the default config used, found by spawning a subprocess
"""
# Attempt to get the path for the currently-running config, or the default
# if one isn't running.
# If there's already a non-NotebookApp traitlets app running, e.g. when
# we're inside an IPython kernel there's a KernelApp instantiated, then
# attempting to get a NotebookApp instance will raise a
# MultipleInstanceError.
try:
return NotebookApp.instance().nbextensions_path
except MultipleInstanceError:
# So, we spawn a new python process to get paths for the default config
cmd = "from {0} import {1}; [print(p) for p in {1}()]".format(
get_nbextensions_path.__module__, get_nbextensions_path.__name__)
return subprocess.check_output([sys.executable, '-c', cmd]).decode(
sys.stdout.encoding).split('\n')
def _log_default(self):
"""wrap loggers for this application."""
return wrap_logger_handlers(NotebookApp._log_default(self))