Class: Boolean
Field for truth values following a three-valued logic (i.e. true, false, and unknown or not applicable); in brief, a nullable boolean.
True is represented by the string 'true', and falseness is represented by 'false'; case is significant. An absence of value is denoted by '' or a missing parameter in the MultiDict of input.
Methods
has_value (self, input)
Return whether a value has been provided for the field in the given MultiDict of input.
required (self)
Return whether the field is mandatory.
translate (self, input)
Translate the field from a MultiDict of values.
Attributes
Value of
None