def create(model_metadata, # type: Metadata or annotation config
config = {}, # type: addtional config
component_builder=None, # type: Optional[ComponentBuilder]
skip_valdation=False # type: bool
):
# type: (...) -> Interpreter
"""Load stored model and components defined by the provided metadata."""
context = {}
if component_builder is None:
# If no builder is passed, every interpreter creation will result
# in a new builder. hence, no components are reused.
component_builder = components.ComponentBuilder()
pipeline = []
# Before instantiating the component classes,
# lets check if all required packages are available
# if not skip_valdation:
# components.validate_requirements(model_metadata.pipeline)
for component_name in model_metadata.pipeline:
component = component_builder.load_component(
component_name, model_metadata.model_meta_path,
model_metadata, config=config, **context)
try:
updates = component.provide_context()
if updates:
context.update(updates)
pipeline.append(component)
except components.MissingArgumentError as e:
raise Exception("Failed to initialize component '{}'. "
"{}".format(component.name, e))
return Interpreter(pipeline, context, model_metadata)
def __init__(self, config, component_builder=None, skip_validation=False):
# type: (AnnotatorConfig, Optional[ComponentBuilder], bool) -> None
self.config = config
self.skip_validation = skip_validation
self.training_data = None # type: Optional[TrainingData]
self.pipeline = [] # type: List[Component]
if component_builder is None:
# If no builder is passed, every interpreter creation will result in
# a new builder. hence, no components are reused.
component_builder = components.ComponentBuilder()
# Before instantiating the component classes, lets check if all
# required packages are available
# TODO
# if not self.skip_validation:
# components.validate_requirements(config.pipeline)
# Transform the passed names of the pipeline components into classes
for component_name in config.pipeline:
component = component_builder.create_component(component_name, config)
self.pipeline.append(component)