default_to_str¶

default_to_str(default: Any) → str[source]¶

Render a parameter default value as a stub-safe string.

Parameters:: default (Any) – The default value, or inspect.Parameter.empty when the parameter has no default.
Returns:: str – repr(default) for real defaults, or "" for the empty sentinel.

Examples

>>> import inspect
>>> default_to_str(inspect.Parameter.empty)
''
>>> default_to_str("black")
"'black'"
>>> default_to_str(1.0)
'1.0'
>>> default_to_str(None)
'None'