def test_to_from_config(equal_md_stores):
mds1 = ZenMLMetadataStore()
mds2 = ZenMLMetadataStore.from_config(mds1.to_config())
# TODO: This fails because from_config throws (base store is
# not in the factory)
assert equal_md_stores(mds1, mds2, loaded=True)
def from_config(cls, config: Dict):
"""
Convert from pipeline config to ZenML Pipeline object.
All steps are also populated and configuration set to parameters set
in the config file.
Args:
config: a ZenML config in dict-form (probably loaded from YAML).
"""
# start with artifact store
artifact_store = ArtifactStore(config[keys.GlobalKeys.ARTIFACT_STORE])
# metadata store
metadata_store = ZenMLMetadataStore.from_config(
config=config[keys.GlobalKeys.METADATA_STORE]
)
# orchestration backend
backend = OrchestratorBaseBackend.from_config(
config[keys.GlobalKeys.BACKEND])
# pipeline configuration
p_config = config[keys.GlobalKeys.PIPELINE]
pipeline_name = p_config[keys.PipelineKeys.NAME]
pipeline_source = p_config[keys.PipelineKeys.SOURCE]
# populate steps
steps_dict: Dict = {}
for step_key, step_config in p_config[keys.PipelineKeys.STEPS].items():
steps_dict[step_key] = BaseStep.from_config(step_config)
# datasource
datasource = BaseDatasource.from_config(
config[keys.GlobalKeys.PIPELINE])
# enable cache
enable_cache = p_config[keys.PipelineKeys.ENABLE_CACHE]
class_ = source_utils.load_source_path_class(pipeline_source)
obj = class_(
name=cls.get_name_from_pipeline_name(pipeline_name),
pipeline_name=pipeline_name,
enable_cache=enable_cache,
steps_dict=steps_dict,
backend=backend,
artifact_store=artifact_store,
metadata_store=metadata_store,
datasource=datasource)
obj._immutable = True
logger.debug(f'Pipeline {pipeline_name} loaded and and is immutable.')
return obj
def load_config(self, config_path: Dict):
"""
Sets metadata and artifact_store variables
Args:
config_path (str): Path to a .zenml config.
"""
assert METADATA_KEY in config_path
assert ARTIFACT_STORE_KEY in config_path
assert PIPELINES_DIR_KEY in config_path
self.artifact_store = ArtifactStore(config_path[ARTIFACT_STORE_KEY])
self.metadata_store = ZenMLMetadataStore.from_config(
config=config_path[METADATA_KEY])
self.pipelines_dir = config_path[PIPELINES_DIR_KEY]
def from_config(self, config_dict: Dict):
"""
Sets metadata and artifact_store variables
Args:
config_dict (dict): .zenml config object in dict format.
"""
assert METADATA_KEY in config_dict
assert ARTIFACT_STORE_KEY in config_dict
assert PIPELINES_DIR_KEY in config_dict
self.artifact_store = ArtifactStore(config_dict[ARTIFACT_STORE_KEY])
self.metadata_store = ZenMLMetadataStore.from_config(
config=config_dict[METADATA_KEY])
self.pipelines_dir = config_dict[PIPELINES_DIR_KEY]
def from_config(cls, config: Dict):
"""
Convert from pipeline config to ZenML Pipeline object.
All steps are also populated and configuration set to parameters set
in the config file.
Args:
config: a ZenML config in dict-form (probably loaded from YAML).
"""
# populate steps
steps_dict: Dict = {}
for step_key, step_config in config[keys.GlobalKeys.STEPS].items():
steps_dict[step_key] = BaseStep.from_config(step_config)
env = config[keys.GlobalKeys.ENV]
pipeline_name = env[keys.EnvironmentKeys.EXPERIMENT_NAME]
name = BasePipeline.get_name_from_pipeline_name(
pipeline_name=pipeline_name)
backends_dict: Dict = {}
for backend_key, backend_config in env[
keys.EnvironmentKeys.BACKENDS].items():
backends_dict[backend_key] = BaseBackend.from_config(
backend_key, backend_config)
artifact_store = ArtifactStore(
env[keys.EnvironmentKeys.ARTIFACT_STORE])
metadata_store = ZenMLMetadataStore.from_config(
config=env[METADATA_KEY])
datasource = BaseDatasource.from_config(config)
from zenml.core.pipelines.pipeline_factory import pipeline_factory
pipeline_type = BasePipeline.get_type_from_pipeline_name(pipeline_name)
class_ = pipeline_factory.get_pipeline_by_type(pipeline_type)
# TODO: [MEDIUM] Perhaps move some of the logic in the init block here
# especially regarding inferring immutability.
return class_(name=name,
pipeline_name=pipeline_name,
enable_cache=env[keys.EnvironmentKeys.ENABLE_CACHE],
steps_dict=steps_dict,
backends_dict=backends_dict,
artifact_store=artifact_store,
metadata_store=metadata_store,
datasource=datasource)
def set_metadata_store(store_type, args):
"""Set metadata store for local config."""
try:
parsed_args = parse_unknown_options(args)
except AssertionError as e:
click.echo(str(e))
return
# TODO: [LOW] Hard-coded
config = {'type': store_type, 'args': parsed_args}
from zenml.core.metadata.metadata_wrapper import ZenMLMetadataStore
store = ZenMLMetadataStore.from_config(config)
repo: Repository = Repository.get_instance()
repo.zenml_config.set_metadata_store(store)
click.echo(f'Metadata store set to: {store.to_config()}')
def test_from_config():
config = {MLMetadataKeys.TYPE: None, MLMetadataKeys.ARGS: {}}
# throws because base MDStore is not in the factory
with pytest.raises(AssertionError):
_ = ZenMLMetadataStore.from_config(config)