U ʼµbã@sbdZddlZzddlmZWn ek r<ddlmZYnXe dddg¡ZGdd„deƒZdS) zR hyperframe/flags ~~~~~~~~~~~~~~~~ Defines basic Flag and Flags data structures. éN)Ú MutableSetÚFlagÚnameÚbitc@s@eZdZdZdd„Zdd„Zdd„Zdd „Zd d „Zd d „Z dS)ÚFlagszÓ A simple MutableSet implementation that will only accept known flags as elements. Will behave like a regular set(), except that a ValueError will be thrown when .add()ing unexpected flags. cCs tdd„|Dƒƒ|_tƒ|_dS)Ncss|] }|jVqdS©N)r)Ú.0Úflag©r ú4/tmp/pip-unpacked-wheel-v_cm_a_3/hyperframe/flags.pyÚ sz!Flags.__init__..)ÚsetÚ _valid_flagsÚ_flags)ÚselfZ defined_flagsr r r Ú__init__szFlags.__init__cCs |j |¡Sr)rÚ __contains__)rÚxr r r rszFlags.__contains__cCs |j ¡Sr)rÚ__iter__©rr r r r"szFlags.__iter__cCs |j ¡Sr)rÚ__len__rr r r r%sz Flags.__len__cCs |j |¡Sr)rÚdiscard©rÚvaluer r r r(sz Flags.discardcCs(||jkrtd ||j¡ƒ‚|j |¡S)Nz(Unexpected flag: {}. Valid flags are: {})rÚ ValueErrorÚformatrÚaddrr r r r+s ÿÿz Flags.addN) Ú__name__Ú __module__Ú __qualname__Ú__doc__rrrrrrr r r r rsr)r Ú collectionsÚcollections.abcrÚ ImportErrorÚ namedtuplerrr r r r Ús