def load_jupyter_server_extension(nbapp):
"""Load the JupyterLab server extension.
"""
# Delay imports to speed up jlpmapp
import os
from jupyterlab_launcher import add_handlers, LabConfig
from notebook.utils import url_path_join as ujoin
from tornado.ioloop import IOLoop
from .build_handler import build_path, Builder, BuildHandler
from .commands import (get_app_dir, get_user_settings_dir, watch,
watch_dev)
from ._version import __version__
# Print messages.
here = os.path.dirname(__file__)
nbapp.log.info('JupyterLab alpha preview extension loaded from %s' % here)
if hasattr(nbapp, 'app_dir'):
app_dir = nbapp.app_dir or get_app_dir()
else:
app_dir = get_app_dir()
web_app = nbapp.web_app
config = LabConfig()
config.name = 'JupyterLab'
config.assets_dir = os.path.join(app_dir, 'static')
config.settings_dir = os.path.join(app_dir, 'settings')
config.page_title = 'JupyterLab Alpha Preview'
config.page_url = '/lab'
config.dev_mode = False
# Check for core mode.
core_mode = ''
if hasattr(nbapp, 'core_mode'):
core_mode = nbapp.core_mode
# Check for watch.
watch_mode = False
if hasattr(nbapp, 'watch'):
watch_mode = nbapp.watch
# Check for an app dir that is local.
if app_dir == here or app_dir == os.path.join(here, 'build'):
core_mode = True
config.settings_dir = ''
page_config = web_app.settings.setdefault('page_config_data', dict())
page_config['buildAvailable'] = not core_mode
page_config['buildCheck'] = not core_mode
page_config['token'] = nbapp.token
if core_mode:
config.assets_dir = os.path.join(here, 'build')
config.version = __version__
if not os.path.exists(config.assets_dir) and not watch_mode:
msg = 'Static assets not built, please see CONTRIBUTING.md'
nbapp.log.error(msg)
else:
sentinel = os.path.join(here, 'build', 'release_data.json')
config.dev_mode = not os.path.exists(sentinel)
if config.dev_mode and not watch_mode:
nbapp.log.info(DEV_NOTE_NPM)
elif core_mode:
nbapp.log.info(CORE_NOTE.strip())
if core_mode:
schemas_dir = os.path.join(here, 'schemas')
config.themes_dir = os.path.join(here, 'themes')
else:
schemas_dir = os.path.join(app_dir, 'schemas')
config.themes_dir = os.path.join(app_dir, 'themes')
config.schemas_dir = schemas_dir
config.user_settings_dir = get_user_settings_dir()
if watch_mode:
# Set the ioloop in case the watch fails.
nbapp.ioloop = IOLoop.current()
if config.dev_mode:
watch_dev(nbapp.log)
else:
watch(app_dir, nbapp.log)
page_config['buildAvailable'] = False
add_handlers(web_app, config)
base_url = web_app.settings['base_url']
build_url = ujoin(base_url, build_path)
builder = Builder(nbapp.log, core_mode, app_dir)
build_handler = (build_url, BuildHandler, {'builder': builder})
web_app.add_handlers(".*$", [build_handler])
def load_jupyter_server_extension(nbapp):
"""Load the JupyterLab server extension.
"""
# Print messages.
here = os.path.dirname(__file__)
nbapp.log.info('JupyterLab alpha preview extension loaded from %s' % here)
app_dir = get_app_dir()
if hasattr(nbapp, 'app_dir'):
app_dir = get_app_dir(nbapp.app_dir)
web_app = nbapp.web_app
config = LabConfig()
config.name = 'JupyterLab'
config.assets_dir = os.path.join(app_dir, 'static')
config.settings_dir = os.path.join(app_dir, 'settings')
config.page_title = 'JupyterLab Alpha Preview'
config.page_url = '/lab'
config.dev_mode = False
# Check for core mode.
core_mode = ''
if hasattr(nbapp, 'core_mode'):
core_mode = nbapp.core_mode
# Check for watch.
watch_mode = False
if hasattr(nbapp, 'watch'):
watch_mode = nbapp.watch
# Check for an app dir that is local.
if app_dir == here or app_dir == os.path.join(here, 'build'):
core_mode = True
config.settings_dir = ''
web_app.settings.setdefault('page_config_data', dict())
web_app.settings['page_config_data']['buildAvailable'] = True
web_app.settings['page_config_data']['token'] = nbapp.token
if core_mode:
config.assets_dir = os.path.join(here, 'build')
config.version = __version__
if not os.path.exists(config.assets_dir):
msg = 'Static assets not built, please see CONTRIBUTING.md'
nbapp.log.error(msg)
else:
sentinel = os.path.join(here, 'build', 'release_data.json')
config.dev_mode = not os.path.exists(sentinel)
if config.dev_mode:
nbapp.log.info(DEV_NOTE_NPM)
elif core_mode:
nbapp.log.info(CORE_NOTE.strip())
if core_mode:
schemas_dir = os.path.join(here, 'schemas')
config.themes_dir = os.path.join(here, 'themes')
else:
schemas_dir = os.path.join(app_dir, 'schemas')
config.themes_dir = os.path.join(app_dir, 'themes')
config.schemas_dir = schemas_dir
config.user_settings_dir = get_user_settings_dir()
if watch_mode:
if core_mode:
watch(here, nbapp.log)
else:
config.assets_dir = os.path.join(app_dir, 'staging', 'build')
build(app_dir=app_dir, logger=nbapp.log)
watch(os.path.join(app_dir, 'staging'), nbapp.log)
add_handlers(web_app, config)
base_url = web_app.settings['base_url']
build_url = ujoin(base_url, build_path)
builder = Builder(nbapp.log, core_mode, app_dir)
build_handler = (build_url, BuildHandler, {'builder': builder})
web_app.add_handlers(".*$", [build_handler])
def load_jupyter_server_extension(nbapp):
"""Load the JupyterLab server extension.
"""
# Delay imports to speed up jlpmapp
from jupyterlab_launcher import add_handlers, LabConfig
from notebook.utils import url_path_join as ujoin
from tornado.ioloop import IOLoop
from .build_handler import build_path, Builder, BuildHandler
from .commands import (
get_app_dir, get_user_settings_dir, watch, ensure_dev, watch_dev,
pjoin, DEV_DIR, HERE, get_app_version
)
from ._version import __version__
web_app = nbapp.web_app
logger = nbapp.log
config = LabConfig()
app_dir = getattr(nbapp, 'app_dir', get_app_dir())
# Print messages.
logger.info('JupyterLab alpha preview extension loaded from %s' % HERE)
logger.info('JupyterLab application directory is %s' % app_dir)
config.name = 'JupyterLab'
config.page_title = 'JupyterLab Alpha Preview'
config.page_url = '/lab'
# Check for core mode.
core_mode = False
if getattr(nbapp, 'core_mode', False) or app_dir.startswith(HERE):
core_mode = True
logger.info('Running JupyterLab in core mode')
# Check for dev mode.
dev_mode = False
if getattr(nbapp, 'dev_mode', False) or app_dir.startswith(DEV_DIR):
dev_mode = True
logger.info('Running JupyterLab in dev mode')
# Check for watch.
watch_mode = getattr(nbapp, 'watch', False)
if watch_mode and core_mode:
logger.warn('Cannot watch in core mode, did you mean --dev-mode?')
watch_mode = False
if core_mode and dev_mode:
logger.warn('Conflicting modes, choosing dev_mode over core_mode')
core_mode = False
page_config = web_app.settings.setdefault('page_config_data', dict())
page_config['buildAvailable'] = not core_mode and not dev_mode
page_config['buildCheck'] = not core_mode and not dev_mode
page_config['token'] = nbapp.token
if core_mode:
config.assets_dir = pjoin(HERE, 'static')
config.schemas_dir = pjoin(HERE, 'schemas')
config.settings_dir = ''
config.themes_dir = pjoin(HERE, 'themes')
config.version = get_app_version()
logger.info(CORE_NOTE.strip())
if not os.path.exists(config.assets_dir):
msg = 'Static assets not built, please see CONTRIBUTING.md'
logger.error(msg)
elif dev_mode:
config.assets_dir = pjoin(DEV_DIR, 'build')
config.schemas_dir = pjoin(DEV_DIR, 'schemas')
config.settings_dir = ''
config.themes_dir = pjoin(DEV_DIR, 'themes')
config.version = __version__
ensure_dev(logger)
if not watch_mode:
logger.info(DEV_NOTE)
else:
config.assets_dir = pjoin(app_dir, 'static')
config.schemas_dir = pjoin(app_dir, 'schemas')
config.settings_dir = pjoin(app_dir, 'settings')
config.themes_dir = pjoin(app_dir, 'themes')
config.version = get_app_version()
config.dev_mode = dev_mode
config.user_settings_dir = get_user_settings_dir()
if watch_mode:
logger.info('Starting JupyterLab watch mode...')
# Set the ioloop in case the watch fails.
nbapp.ioloop = IOLoop.current()
if config.dev_mode:
watch_dev(logger)
else:
watch(app_dir, logger)
page_config['buildAvailable'] = False
add_handlers(web_app, config)
base_url = web_app.settings['base_url']
build_url = ujoin(base_url, build_path)
builder = Builder(logger, core_mode, app_dir)
build_handler = (build_url, BuildHandler, {'builder': builder})
web_app.add_handlers(".*$", [build_handler])