altair.LookupData

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

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

Refer to LookupData

Parameters:

datadict, Data, UrlData, Generator, NamedData, DataSource, InlineData, SphereGenerator, SequenceGenerator, GraticuleGenerator

Secondary data source to lookup in.

keystr, FieldName

Key in data to lookup.

fieldsSequence[str, FieldName]

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

Methods

__init__([data, key, fields])	Refer to LookupData
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, indent, sort_keys, ...])	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