def load_plugins(entry_points=None, ext_registry=None):
if entry_points is None:
entry_points = list(iter_entry_points(group=PLUGIN_ENTRY_POINT_GROUP_NAME, name=None)) \
+ discover_plugin_modules()
if ext_registry is None:
from xcube.util.extension import get_extension_registry
ext_registry = get_extension_registry()
plugins = {}
for entry_point in entry_points:
# TODO (forman): Consider turning this into debug log:
# print(f'loading xcube plugin {entry_point.name!r}')
t0 = time.perf_counter()
# noinspection PyBroadException
try:
plugin_init_function = entry_point.load()
except Exception as e:
_handle_error(entry_point, e)
continue
millis = int(1000 * (time.perf_counter() - t0))
if millis >= PLUGIN_LOAD_TIME_WARN_LIMIT:
warnings.warn(
f'loading xcube plugin {entry_point.name!r} took {millis} ms, '
f'consider code optimization!')
if not callable(plugin_init_function):
# We use warning and not raise to allow loading xcube despite a broken plugin. Raise would stop xcube.
warnings.warn(
f'xcube plugin {entry_point.name!r} '
f'must be callable but got a {type(plugin_init_function)!r}')
continue
t0 = time.perf_counter()
# noinspection PyBroadException
try:
plugin_init_function(ext_registry)
except Exception as e:
_handle_error(entry_point, e)
continue
millis = int(1000 * (time.perf_counter() - t0))
if millis >= PLUGIN_INIT_TIME__WARN_LIMIT:
warnings.warn(
f'initializing xcube plugin {entry_point.name!r} took {millis} ms, '
f'consider code optimization!')
plugins[entry_point.name] = {
'name': entry_point.name,
'doc': plugin_init_function.__doc__
}
return plugins
def test_get_extension_reg(self):
self.assertIsInstance(get_extension_registry(), ExtensionRegistry)
def get_extension_registry():
"""Get populated extension registry."""
from xcube.util.extension import get_extension_registry
init_plugins()
return get_extension_registry()
def extension(self) -> Optional[Extension]:
"""
:return: The extension for this component. None, if it has not (yet) been registered as an extension.
"""
return get_extension_registry().get_extension(self._extension_point,
self._name)