Deprecations and Removals

List of currently deprecated APIs:

Warning	Description
ParamDeprecationWarning since 2.3.0	Parameter slots / Selector.compute_default_fn slot along with the Selector.compute_default method: no replacement
FutureWarning since 2.3.0	The whole param.Version module is deprecated, use tools like setuptools-scm.
ParamDeprecationWarning since 2.3.0	Parameter slots / Parameter.pickle_default_value: no replacement
ParamFutureWarning since 2.3.0	Parameterized .param namespace / .param.watch_values: the keyword what is deprecated
ParamPendingDeprecationWarning since 2.3.0	param.parameterized module / Setting a parameter value before full instance initialization

List (created after the release of version 2.2.0) of removed APIs:

Removed in	Warning	Description
2.3.0	ParamFutureWarning since 2.2.0, ParamDeprecationWarning since 2.0.0	Parameter slots / List._class: use instead item_type
2.3.0	ParamFutureWarning since 2.2.0, ParamDeprecationWarning since 2.0.0	Parameter slots / Number.set_hook: no replacement
2.3.0	ParamFutureWarning since 2.2.0, ParamDeprecationWarning since 2.0.0	param.__init__ module / param.produce_value: no replacement
2.3.0	ParamFutureWarning since 2.2.0, ParamDeprecationWarning since 2.0.0	param.__init__ module / param.as_unicode: no replacement
2.3.0	ParamFutureWarning since 2.2.0, ParamDeprecationWarning since 2.0.0	param.__init__ module / param.is_ordered_dict: no replacement
2.3.0	ParamFutureWarning since 2.2.0, ParamDeprecationWarning since 2.0.0	param.__init__ module / param.hashable: no replacement
2.3.0	ParamFutureWarning since 2.2.0, ParamDeprecationWarning since 2.0.0	param.__init__ module / param.named_objs: no replacement
2.3.0	ParamFutureWarning since 2.2.0, ParamDeprecationWarning since 2.0.0	param.__init__ module / param.normalize_path: no replacement
2.3.0	ParamFutureWarning since 2.2.0, ParamDeprecationWarning since 2.0.0	param.__init__ module / param.abbreviate_paths: no replacement
2.3.0	ParamFutureWarning since 2.2.0, ParamDeprecationWarning since 2.0.0	param.parameterized module / param.parameterized.all_equal: no replacement
2.3.0	ParamFutureWarning since 2.2.0, ParamDeprecationWarning since 2.0.0	param.parameterized module / param.parameterized.add_metaclass: no replacement
2.3.0	ParamFutureWarning since 2.2.0, ParamDeprecationWarning since 2.0.0	param.parameterized module / param.parameterized.batch_watch: use instead batch_call_watchers
2.3.0	ParamFutureWarning since 2.2.0, ParamDeprecationWarning since 2.0.0	param.parameterized module / param.parameterized.recursive_repr: no replacement
2.3.0	ParamFutureWarning since 2.2.0, ParamDeprecationWarning since 2.0.0	param.parameterized module / param.parameterized.overridable_property: no replacement
2.3.0	ParamFutureWarning since 2.2.0, ParamDeprecationWarning since 2.0.0, soft-deprecated since 1.12.0	Parameterized .param namespace / .param.set_default: use instead for k,v in p.param.objects().items(): print(f"{p.__class__.name}.{k}={repr(v.default)}
2.3.0	ParamFutureWarning since 2.2.0, ParamDeprecationWarning since 2.0.0, soft-deprecated since 1.12.0	Parameterized .param namespace / .param._add_parameter: use instead .param.add_parameter
2.3.0	ParamFutureWarning since 2.2.0, ParamDeprecationWarning since 2.0.0, soft-deprecated since 1.12.0	Parameterized .param namespace / .param.params: use instead .param.values() or .param['param']
2.3.0	ParamFutureWarning since 2.2.0, ParamDeprecationWarning since 2.0.0, soft-deprecated since 1.12.0	Parameterized .param namespace / .param.set_param: use instead .param.update
2.3.0	ParamFutureWarning since 2.2.0, ParamDeprecationWarning since 2.0.0, soft-deprecated since 1.12.0	Parameterized .param namespace / .param.get_param_values: use instead .param.values().items() (or .param.values() for the common case of dict(....param.get_param_values()))
2.3.0	ParamFutureWarning since 2.2.0, ParamDeprecationWarning since 2.0.0, soft-deprecated since 1.12.0	Parameterized .param namespace / .param.params_depended_on: use instead .param.method_dependencies
2.3.0	ParamFutureWarning since 2.2.0, ParamDeprecationWarning since 2.0.0, soft-deprecated since 1.12.0	Parameterized .param namespace / .param.defaults: use instead {k:v.default for k,v in p.param.objects().items()}
2.3.0	ParamFutureWarning since 2.2.0, ParamDeprecationWarning since 2.0.0, soft-deprecated since 1.12.0	Parameterized .param namespace / .param.print_param_defaults: use instead for k,v in p.param.objects().items(): print(f"{p.__class__.name}.{k}={repr(v.default)}")
2.3.0	ParamFutureWarning since 2.2.0, ParamDeprecationWarning since 2.0.0, soft-deprecated since 1.12.0	Parameterized .param namespace / .param.print_param_values: use instead for k,v in p.param.objects().items(): print(f"{p.__class__.name}.{k}={repr(v.default)}")
2.3.0	ParamFutureWarning since 2.2.0, ParamDeprecationWarning since 2.0.0, soft-deprecated since 1.12.0	Parameterized .param namespace / .param.message: use instead .param.log(param.MESSAGE, ...)
2.3.0	ParamFutureWarning since 2.2.0, ParamDeprecationWarning since 2.0.0, soft-deprecated since 1.12.0	Parameterized .param namespace / .param.verbose: use instead .param.log(param.VERBOSE, ...)
2.3.0	ParamFutureWarning since 2.2.0, ParamDeprecationWarning since 2.0.0, soft-deprecated since 1.12.0	Parameterized .param namespace / .param.debug: use instead .param.log(param.DEBUG, ...)
2.3.0	ParamFutureWarning since 2.2.0, ParamDeprecationWarning since 2.1.0, ParamPendingDeprecationWarning since 2.0.0	Instantiating most parameters with positional arguments beyond default is deprecated
2.3.0	ParamFutureWarning since 2.2.0, ParamDeprecationWarning since 2.1.0, ParamPendingDeprecationWarning since 2.0.0	For Selector parameters that accept objects as first positional argument, and ClassSelector parameters that accept class_ as first positional argument, passing any argument by position is deprecated.
2.3.0	None	param.parameterized.print_all_param_defaults / This functions was undocumented, unused, and broken.
2.2.0	ParamFutureWarning since 2.0.0	Parameterized namespace / instance._param_watchers (getter and setter): use instead the property inst.param.watchers
2.2.0	ParamFutureWarning since 2.0.0	Warn on failed validation of the default value of a Parameter after the inheritance mechanism has completed
2.2.0	ParamFutureWarning since 2.0.0	Running unsafe instance.param.objects(instance=True) during Parameterized instance initialization, instead run it after having called super().__init__(**params)
2.2.0	ParamFutureWarning since 2.0.0	Running unsafe instance.param.objects(instance=True) during Parameterized instance initialization, instead run it after having called super().__init__(**params)
2.2.0	ParamFutureWarning since 2.0.0	Running unsafe instance.param.watch(callback, "<param_name>") during Parameterized instance initialization, instead run it after having called super().__init__(**params)