def toggle_server_extension(self, import_name):
"""Change the status of a named server extension.
Uses the value of `self._toggle_value`.
Parameters
---------
import_name : str
Importable Python module (dotted-notation) exposing the magic-named
`load_jupyter_server_extension` function
"""
# Create an extension manager for this instance.
config_dir, extension_manager = _get_extmanager_for_context(
user=self.user, sys_prefix=self.sys_prefix)
try:
self.log.info("{}: {}".format(
self._toggle_pre_message.capitalize(), import_name))
self.log.info("- Writing config: {}".format(config_dir))
# Validate the server extension.
self.log.info(" - Validating {}...".format(import_name))
# Interface with the Extension Package and validate.
extpkg = ExtensionPackage(name=import_name)
extpkg.validate()
version = extpkg.version
self.log.info(" {} {} {}".format(import_name, version,
GREEN_OK))
# Toggle extension config.
config = extension_manager.config_manager
if self._toggle_value is True:
config.enable(import_name)
else:
config.disable(import_name)
# If successful, let's log.
self.log.info(" - Extension successfully {}.".format(
self._toggle_post_message))
except Exception as err:
self.log.info(" {} Validation failed: {}".format(RED_X, err))
def test_extension_package_api():
# Import mock extension metadata
from .mockextensions import _jupyter_server_extension_points
# Testing the first path (which is an extension app).
metadata_list = _jupyter_server_extension_points()
path1 = metadata_list[0]
app = path1["app"]
e = ExtensionPackage(name='jupyter_server.tests.extension.mockextensions')
e.extension_points
assert hasattr(e, "extension_points")
assert len(e.extension_points) == len(metadata_list)
assert app.name in e.extension_points
assert e.validate()