#-----------------------------------------------------------------------------
# Copyright (c) 2012 - 2020, 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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import logging # isort:skip
log = logging.getLogger(__name__)
#-----------------------------------------------------------------------------
# Imports
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# Globals and constants
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__all__ = (
'get_param_info',
)
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# General API
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#-----------------------------------------------------------------------------
# Dev API
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# Private API
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#-----------------------------------------------------------------------------
# Code
#-----------------------------------------------------------------------------
[docs]def get_param_info(sig):
''' 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 list(sig.parameters), defaults