Source code for bokeh.util.functions

#-----------------------------------------------------------------------------
# Copyright (c) 2012 - 2022, Anaconda, Inc., and Bokeh Contributors.
# All rights reserved.
#
# The full license is in the file LICENSE.txt, distributed with this software.
#-----------------------------------------------------------------------------
''' Utilities for function introspection.

'''

#-----------------------------------------------------------------------------
# Boilerplate
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from __future__ import annotations

import logging # isort:skip
log = logging.getLogger(__name__)

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# Imports
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# Standard library imports
from typing import TYPE_CHECKING, Any

if TYPE_CHECKING:
    from inspect import Signature

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# Globals and constants
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__all__ = (
    'get_param_info',
)

#-----------------------------------------------------------------------------
# General API
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# Dev API
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# Private API
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# Code
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[docs]def get_param_info(sig: Signature) -> tuple[list[str], list[Any]]: ''' Find parameters with defaults and return them. Arguments: sig (Signature) : a function signature Returns: tuple(list, list) : parameters with defaults ''' defaults = [] for param in sig.parameters.values(): if param.default is not param.empty: defaults.append(param.default) return [name for name in sig.parameters], defaults