mlmd 0.3.0

A Rust implementation of ml-metadata
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import ml_metadata as mlmd
from ml_metadata import metadata_store
from ml_metadata.proto import metadata_store_pb2

connection_config = metadata_store_pb2.ConnectionConfig()
connection_config.sqlite.filename_uri = 'test.db'
connection_config.sqlite.connection_mode = 3 # READWRITE_OPENCREATE
store = metadata_store.MetadataStore(connection_config)

# Create ArtifactTypes, e.g., Data and Model
data_type = metadata_store_pb2.ArtifactType()
data_type.name = "DataSet"
data_type.properties["day"] = metadata_store_pb2.INT
data_type.properties["split"] = metadata_store_pb2.STRING
data_type_id = store.put_artifact_type(data_type)

model_type = metadata_store_pb2.ArtifactType()
model_type.name = "SavedModel"
model_type.properties["version"] = metadata_store_pb2.INT
model_type.properties["name"] = metadata_store_pb2.STRING
model_type_id = store.put_artifact_type(model_type)

# Query all registered Artifact types.
artifact_types = store.get_artifact_types()

# Create an ExecutionType, e.g., Trainer
trainer_type = metadata_store_pb2.ExecutionType()
trainer_type.name = "Trainer"
trainer_type.properties["state"] = metadata_store_pb2.STRING
trainer_type_id = store.put_execution_type(trainer_type)

# Query a registered Execution type with the returned id
[registered_type] = store.get_execution_types_by_id([trainer_type_id])

# Create an input artifact of type DataSet
data_artifact = metadata_store_pb2.Artifact()
data_artifact.uri = 'path/to/data'
data_artifact.properties["day"].int_value = 1
data_artifact.properties["split"].string_value = 'train'
data_artifact.type_id = data_type_id
[data_artifact_id] = store.put_artifacts([data_artifact])

# Query all registered Artifacts
artifacts = store.get_artifacts()

# Plus, there are many ways to query the same Artifact
[stored_data_artifact] = store.get_artifacts_by_id([data_artifact_id])
artifacts_with_uri = store.get_artifacts_by_uri(data_artifact.uri)
artifacts_with_conditions = store.get_artifacts(
      list_options=mlmd.ListOptions(
          filter_query='uri LIKE "%/data" AND properties.day.int_value > 0'))

# Register the Execution of a Trainer run
trainer_run = metadata_store_pb2.Execution()
trainer_run.type_id = trainer_type_id
trainer_run.properties["state"].string_value = "RUNNING"
[run_id] = store.put_executions([trainer_run])

# Query all registered Execution
executions = store.get_executions_by_id([run_id])
# Similarly, the same execution can be queried with conditions.
executions_with_conditions = store.get_executions(
    list_options = mlmd.ListOptions(
        filter_query='type = "Trainer" AND properties.state.string_value IS NOT NULL'))

# Define the input event
input_event = metadata_store_pb2.Event()
input_event.artifact_id = data_artifact_id
input_event.execution_id = run_id
input_event.type = metadata_store_pb2.Event.DECLARED_INPUT

# Record the input event in the metadata store
store.put_events([input_event])

# Declare the output artifact of type SavedModel
model_artifact = metadata_store_pb2.Artifact()
model_artifact.uri = 'path/to/model/file'
model_artifact.properties["version"].int_value = 1
model_artifact.properties["name"].string_value = 'MNIST-v1'
model_artifact.type_id = model_type_id
[model_artifact_id] = store.put_artifacts([model_artifact])

# Declare the output event
output_event = metadata_store_pb2.Event()
output_event.artifact_id = model_artifact_id
output_event.execution_id = run_id
output_event.type = metadata_store_pb2.Event.DECLARED_OUTPUT

# Submit output event to the Metadata Store
store.put_events([output_event])

trainer_run.id = run_id
trainer_run.properties["state"].string_value = "COMPLETED"
store.put_executions([trainer_run])

# Create a ContextType, e.g., Experiment with a note property
experiment_type = metadata_store_pb2.ContextType()
experiment_type.name = "Experiment"
experiment_type.properties["note"] = metadata_store_pb2.STRING
experiment_type_id = store.put_context_type(experiment_type)

# Group the model and the trainer run to an experiment.
my_experiment = metadata_store_pb2.Context()
my_experiment.type_id = experiment_type_id
# Give the experiment a name
my_experiment.name = "exp1"
my_experiment.properties["note"].string_value = "My first experiment."
[experiment_id] = store.put_contexts([my_experiment])

attribution = metadata_store_pb2.Attribution()
attribution.artifact_id = model_artifact_id
attribution.context_id = experiment_id

association = metadata_store_pb2.Association()
association.execution_id = run_id
association.context_id = experiment_id

store.put_attributions_and_associations([attribution], [association])

# Query the Artifacts and Executions that are linked to the Context.
experiment_artifacts = store.get_artifacts_by_context(experiment_id)
experiment_executions = store.get_executions_by_context(experiment_id)

# You can also use neighborhood queries to fetch these artifacts and executions
# with conditions.
experiment_artifacts_with_conditions = store.get_artifacts(
    list_options = mlmd.ListOptions(
        filter_query=('contexts_a.type = "Experiment" AND contexts_a.name = "exp1"')))
experiment_executions_with_conditions = store.get_executions(
    list_options = mlmd.ListOptions(
        filter_query=('contexts_a.id = {}'.format(experiment_id))))