Create a List trait type from a list, set, or tuple. The default value is created by doing ``list(default_value)``, which creates a c

Create a Set trait type from a list, set, or tuple. The default value is created by doing ``set(default_value)``, which creates a cop

Create a tuple from a list, set, or tuple. Create a fixed-type tuple with Traits: ``t = Tuple(Int(), Str(), CStr())`` would

Create a dict trait type from a Python dict. The default value is created by doing ``dict(default_value)``, which creates a copy of t

Create a configurable given a config config. Parameters ---------- config : Config If this is empty, default valu

A base class for config loaders. log : instance of :class:`logging.Logger` to use. By default logger of :meth:`traitlets.config

Build a config loader for a filename and path. Parameters ---------- filename : str The file name of the config f

Create a config loader for use with argparse. Parameters ---------- classes : optional, list The classes to scan

Create the HasDescriptors class.

Set the value of the trait by self.name for the instance. Values pass through a validation stage where errors are raised when impropp

If argcomplete is enabled, allow triggering command-line autocompletion

Update all the class traits having ``config=True`` in metadata. For any class trait with a ``config`` metadata attribute that is ``Tr

self.parsed_data->self.config, parse unrecognized extra args via KVLoader.

Overridden to dynamically append --Class.trait arguments if appropriate Warning: This does not (currently) support completions of

Return the default Handler Returns None if none can be found Deprecated, this now returns the first log handler which may or may

Overridden to add --Class. completions when appropriate

Example of a custom completer, which could be dynamic

Start logging for this application.

deprecated alias, use Config.merge()

check the value of all traits when each trait change is triggered This verifies that the values are not sensitive to dict ordering wh

Find the specified class name by looking for it in the module in which our this_class attribute was defined.