The FacetRefinement Class

Class FacetRefinement is used to narrow search results based on a facet value.

The recommended way to use facet refinement is to use its token string. Each FacetResult will have a token that is acceptable instead of this class. To provide manual FacetRefinement, an instance of this class can be passed to SearchOptions.

FacetRefinement is defined in the module google.appengine.api.search.

  1. Constructor
  2. Properties
  3. Instance Methods

Constructor

The constructor for class FacetRefinement is defined as follows:

class FacetRefinement(name, value=None, facet_range=None)

Construct an instance of class FacetRefinement.

NOTE: Either the value or the facet_range should be set but not both.

Arguments

name

Sets the name property

value

Sets the value property

facet_range

Sets the facet_range property

Result value

A new instance of class FacetRefinement.

Exceptions

TypeError

If any of the parameters have invalid types, or an unknown attribute is passed.

ValueError

If any of the parameters have invalid values.

Properties

An instance of class FacetRefinement has the following properties:

name

name of the facet refinement.

value

string value of the facet refinement.

range

numeric range of the facet refinement.

Instance Methods

Instances of class FacetRefinement have the following methods:

ToTokenString()

Converts this refinement to a token string safe to be used in HTML. The format of this string may change.

Result value

A token string safe to be used in HTML for this facet refinement.

FromTokenString()

This static method converts a token string to a FacetRefinement object. Do not store token strings between different versions of API as key could be incompatible.

Arguments

token_string

A token string created by ToTokenString method or returned by a search result.

Result value

A FacetRefinement object.

Exceptions

ValueError

If the token_string is invalid.

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