def watch_labextension(
path, labextensions_path, logger=None, development=False, source_map=False, core_path=None
):
"""Watch a labextension in a given path"""
if core_path is None:
core_path = osp.join(HERE, "staging")
ext_path = osp.abspath(path)
if logger:
logger.info("Building extension in %s" % path)
# Check to see if we need to create a symlink
federated_extensions = get_federated_extensions(labextensions_path)
with open(pjoin(ext_path, "package.json")) as fid:
ext_data = json.load(fid)
if ext_data["name"] not in federated_extensions:
develop_labextension_py(ext_path, sys_prefix=True)
else:
full_dest = pjoin(federated_extensions[ext_data["name"]]["ext_dir"], ext_data["name"])
output_dir = pjoin(ext_path, ext_data["jupyterlab"].get("outputDir", "static"))
if not osp.islink(full_dest):
shutil.rmtree(full_dest)
os.symlink(output_dir, full_dest)
builder = _ensure_builder(ext_path, core_path)
arguments = ["node", builder, "--core-path", core_path, "--watch", ext_path]
if development:
arguments.append("--development")
if source_map:
arguments.append("--source-map")
subprocess.check_call(arguments, cwd=ext_path)
def watch_labextension(path, labextensions_path, logger=None, development=False, source_map=False):
"""Watch a labextension in a given path"""
core_path = osp.join(HERE, 'staging')
ext_path = osp.abspath(path)
if logger:
logger.info('Building extension in %s' % path)
# Check to see if we need to create a symlink
federated_extensions = get_federated_extensions(labextensions_path)
with open(pjoin(ext_path, 'package.json')) as fid:
ext_data = json.load(fid)
if ext_data['name'] not in federated_extensions:
develop_labextension_py(ext_path, sys_prefix=True)
else:
full_dest = pjoin(federated_extensions[ext_data['name']]['ext_dir'], ext_data['name'])
output_dir = pjoin(ext_path, ext_data['jupyterlab'].get('outputDir', 'static'))
if not osp.islink(full_dest):
shutil.rmtree(full_dest)
os.symlink(output_dir, full_dest)
builder = _ensure_builder(ext_path, core_path)
arguments = ['node', builder, '--core-path', core_path, '--watch', ext_path]
if development:
arguments.append('--development')
if source_map:
arguments.append('--source-map')
subprocess.check_call(arguments, cwd=ext_path)
'jupyter-cytoscape', # for ipycytoscape
'jupyter-matplotlib',
'jupyter-vuetify',
]
try:
from jupyterlab.commands import check_extension, AppOptions
from jupyterlab_server.config import get_federated_extensions
except ImportError:
print(FIX_PREFIX, 'Please install jupyterlab before checking extensions.')
else:
missing_extensions = []
# Fetch federated extensions
federated_extensions = get_federated_extensions([sys.base_prefix + '/share/jupyter/labextensions']).keys()
# JupyterLab be quiet
logger = logging.Logger('quiet')
logger.setLevel(logging.CRITICAL)
app_options = AppOptions(logger=logger)
for extension in lab_extensions:
if not check_extension(extension, app_options=app_options) and extension not in federated_extensions:
missing_extensions.append(extension)
if missing_extensions:
print(FIX_PREFIX, 'These lab extensions are missing: ',
', '.join(missing_extensions))
print(FIX_PREFIX,' Please try to install the following packages with conda or pip: ',
', '.join(missing_extensions))