U /e @sdZddlmZddlZeeZddlmZm Z m Z m Z ddl m Z mZmZmZmZdZGdddZeZed ZeeefZd d d d dZdS)z9 Provides helper function for dealing with dataclasses. ) annotationsN) dataclassfieldfields is_dataclass)AnyIterableTupleTypeVarUnion) NotRequired Unspecifiedrentriesrrc@seZdZddddZdS)_UnspecifiedTypestr)returncCsdS)Nr )selfrr:/tmp/pip-unpacked-wheel-f5fndrjf/bokeh/util/dataclasses.py__repr__<sz_UnspecifiedType.__repr__N)__name__ __module__ __qualname__rrrrrr;sr_TrzIterable[Tuple[str, Any]])objrccsXt|rBt|tsBt|D]$}t||j}|tk r|j|fVqntdt|dS)z4 Iterate over a dataclass' fields and their values. zexpected a dataclass, got N)r isinstancetypergetattrnamer TypeError)rfvaluerrrrDs   r)__doc__ __future__rlogging getLoggerrlogZ dataclassesrrrrtypingrrr r r __all__rr rr rrrrrs