altair.LookupData

class altair.LookupData(data=Undefined, key=Undefined, fields=Undefined, **kwds)

LookupData schema wrapper

Mapping(required=[data, key])

Attributes:
dataData

Secondary data source to lookup in.

keyFieldName

Key in data to lookup.

fieldsList(FieldName)

Fields in foreign data or selection to lookup. If not specified, the entire object is queried.

__init__(data=Undefined, key=Undefined, fields=Undefined, **kwds)

Methods

__init__([data, key, fields])

copy([deep, ignore])

Return a copy of the object

from_dict(dct[, validate, _wrapper_classes])

Construct class from a dictionary representation

from_json(json_string[, validate])

Instantiate the object from a valid JSON string

resolve_references([schema])

Resolve references in the context of this object's schema or root schema.

to_dict(*args, **kwargs)

Convert the chart to a dictionary suitable for JSON export.

to_json([validate, ignore, context, indent, ...])

Emit the JSON representation for this object as a string.

validate(instance[, schema])

Validate the instance against the class schema in the context of the rootschema.

validate_property(name, value[, schema])

Validate a property against property schema in the context of the rootschema