f&TdZddlmZmZmZddlmZddlmZdZ dZ dZ d Z gd Z y ) z miscellaneous zmq_utils wrapping)InterruptedSystemCall _check_rc_check_version)ffi)libctddt|tr|jd}t t j |S)zxCheck for zmq capability by name (e.g. 'ipc', 'curve') .. versionadded:: libzmq-4.1 .. versionadded:: 14.1 )rzzmq.hasutf8)r isinstancestrencodeboolCzmq_has) capabilitys Q/var/www/cvtools/html/venv/lib/python3.12/site-packages/zmq/backend/cffi/utils.pyhasr s< 69%*c"&&v.  *% &&ctddtjd}tjd}tj||}t |tj |ddtj |ddfS)ugenerate a Z85 key pair for use with zmq.CURVE security Requires libzmq (≥ 4.0) to have been built with CURVE support. Returns ------- (public, secret) : two bytestrings The public and private key pair as 40 byte z85-encoded bytestrings. ) curve_keypairchar[64]N()rrnewrzmq_curve_keypairrbuffer)publicprivatercs rrrsn6?+ WWZ Fggj!G  VW -B bM ::f cr "CJJw$7$< <* WWZ F  FG ,B bM ::f cr ""rcF ||} t|y#t$rYwxYw)z/make a call, retrying if interrupted with EINTRN)rr)fargskwargsr!s r_retry_sys_callr)Bs3  X  bM %   s   )rrr#N)__doc__ zmq.errorrrr_cffirrrrrr#r)__all__rrr/s2& GF '=$#0  3r