U L?h@sdZdgZGdddZdS)zMixin classes for sharing functionality between unrelated classes. This module is named with a leading underscore to signify to users that it's "private" and only intended for internal use by the biomechanics module. _NamedMixinc@s8eZdZdZeedddZejeddddZdS)raoMixin class for adding `name` properties. Valid names, as will typically be used by subclasses as a suffix when naming automatically-instantiated symbol attributes, must be nonzero length strings. Attributes ========== name : str The name identifier associated with the instance. Must be a string of length at least 1. )returncCs|jS)z,The name associated with the class instance.)_name)selfrS/var/www/html/venv/lib/python3.8/site-packages/sympy/physics/biomechanics/_mixin.pynamesz_NamedMixin.nameN)rrcCst|dr"dt|d}t|t|tsTdt|dt|dtd}t||dkr~dt|d ttd}t|||_dS) NrzCan't set attribute `name` to z as it is immutable.zName z passed to `name` was of type z , must be .>z& is invalid, must be a nonzero length ) hasattrreprAttributeError isinstancestrtype TypeError ValueErrorr)rrmsgrrrr!s  )__name__ __module__ __qualname____doc__propertyrrsetterrrrrr s N)r__all__rrrrrs