altair.theme.VariableParameterKwds#
- class altair.theme.VariableParameterKwds#
altair.VariableParameterTypedDictwrapper.- Parameters:
- name
A unique name for the variable parameter. Parameter names should be valid JavaScript identifiers: they should contain only alphanumeric characters (or “$”, or “_”) and may not start with a digit. Reserved keywords that may not be used as parameter names are “datum”, “event”, “item”, and “parent”.
- bind
Binds the parameter to an external input element such as a slider, selection list or radio button group.
- expr
An expression for the value of the parameter. This expression may include other parameters, in which case the parameter will automatically update in response to upstream parameter changes.
- react
A boolean flag (default
true) indicating if the update expression should be automatically re-evaluated when any upstream signal dependencies update. Iffalse, the update expression will not register any dependencies on other signals, even for initialization.Default value:
true- value
The initial value of the parameter.
Default value:
undefined
- __init__(*args, **kwargs)#
Methods
__init__(*args, **kwargs)clear()copy()fromkeys(iterable[, value])Create a new dictionary with keys from iterable and values set to value.
get(key[, default])Return the value for key if key is in the dictionary, else default.
items()keys()pop(key[, default])If the key is not found, return the default if given; otherwise, raise a KeyError.
popitem(/)Remove and return a (key, value) pair as a 2-tuple.
setdefault(key[, default])Insert key with a value of default if key is not in the dictionary.
update([E, ]**F)If E is present and has a .keys() method, then does: for k in E: D[k] = E[k] If E is present and lacks a .keys() method, then does: for k, v in E: D[k] = v In either case, this is followed by: for k in F: D[k] = F[k]
values()Attributes
namebindexprreactvalue