AmbiguousDatasetError |
Exception raised when a DatasetRef has no ID and a Registry operation requires one. |
Butler([config, collection, run]) |
Main entry point for the data access system. |
ButlerConfig([other]) |
Contains the configuration for a Butler |
CompositeAssembler(storageClass) |
Class for providing assembler and disassembler support for composites. |
CompositesConfig([other, validate, …]) |
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CompositesMap(config) |
Determine whether a specific datasetType or StorageClass should be disassembled. |
Config([other]) |
Implements a datatype that is used by Butler for configuration parameters. |
ConfigSubset([other, validate, …]) |
Config representing a subset of a more general configuration. |
ConflictingDefinitionError |
Exception raised when trying to insert a database record when a conflicting record already exists. |
DataId([dataId, dimensions, dimension, …]) |
A dict-like identifier for data usable across multiple collections and DatasetTypes. |
DataIdPacker |
An abstract base class for a bidirectional mappings between a DataId and a packed integer or bytes blob. |
DataIdPackerDimensions(given, required) |
A helper class that holds the three categories of dimensions associated with DataIdPacker objects. |
DatabaseDict(config, types, key, value) |
An abstract base class for dict-like objects with a specific key type and namedtuple values, backed by a database. |
DatasetComponent(name, storageClass, component) |
Component of a dataset and associated information. |
DatasetOriginInfo |
Interface for classes providing collection information for pre-flight. |
DatasetOriginInfoDef(defaultInputs, …[, …]) |
Default implementation of the DatasetOriginInfo. |
DatasetRef(datasetType, dataId[, id, run, …]) |
Reference to a Dataset in a Registry. |
DatasetType(name, dimensions, storageClass) |
A named category of Datasets that defines how they are organized, related, and stored. |
DatasetTypeNotSupportedError |
A DatasetType is not handled by this routine. |
Datastore(config, registry) |
Datastore interface. |
DatastoreConfig([other, validate, …]) |
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Dimension(universe, name, config) |
A discrete dimension of data used to organize Datasets and associate them with metadata. |
DimensionConfig([other, validate, …]) |
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DimensionElement(universe, name, hasRegion, …) |
Base class for elements in the dimension schema. |
DimensionGraph(universe, elements, …) |
An automatically-expanded collection of both Dimensions and DimensionJoins. |
DimensionJoin(universe, name, config) |
A join that relates two or more Dimensions. |
DimensionKeyDict([other, universe, keys, …]) |
An immutable mapping that uses DimensionElement instances as keys. |
DimensionNameSet(names) |
An incomplete, name-only stand-in for DimensionSet or DimensionGraph. |
DimensionSet(universe, elements[, expand, …]) |
A custom set/dict hybrid class for collections of DimensionElements. |
DimensionUniverse() |
Specialization for a DimensionGraph that defines a complete system of dimensions. |
Execution([startTime, endTime, host, id]) |
Any step in a production. |
FileDescriptor(location, storageClass[, …]) |
Describes a particular file. |
FileTemplate(template) |
Format a path template into a fully expanded path. |
FileTemplateValidationError |
Exception thrown when a file template is not consistent with the associated DatasetType. |
FileTemplates(config[, default]) |
Collection of FileTemplate templates. |
FileTemplatesConfig([other]) |
Configuration information for FileTemplates |
Formatter |
Interface for reading and writing Datasets with a particular StorageClass. |
FormatterFactory() |
Factory for Formatter instances. |
Location(datastoreRoot, uri) |
Identifies a location in the Datastore. |
LocationFactory(datastoreRoot) |
Factory for Location instances. |
LookupKey([name, dimensions, dataId]) |
Representation of key that can be used to lookup information based on dataset type name, storage class name, dimensions. |
MappingFactory(refType) |
Register the mapping of some key to a python type and retrieve instances. |
OrphanedRecordError |
Exception raised when trying to remove or modify a database record that is still being used in some other table. |
Quantum(task, run, *args, **kwargs) |
A discrete unit of work that may depend on one or more datasets and produces one or more datasets. |
Registry(registryConfig[, schemaConfig, …]) |
Registry interface. |
RegistryConfig([other, validate, …]) |
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Run(collection[, environment, pipeline]) |
Represent a processing run. |
Schema([config, limited]) |
The SQL schema for a Butler Registry. |
SchemaBuilder(config[, limited]) |
Builds a Schema step-by-step. |
SchemaConfig([other, validate, …]) |
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StorageClass([name, pytype, components, …]) |
Class describing how a label maps to a particular Python type. |
StorageClassConfig([other, validate, …]) |
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StorageClassFactory([config]) |
Factory for StorageClass instances. |
StoredFileInfo(formatter, path, storageClass) |
Information associated with a stored file in a Datastore. |