o ṏiL@spUdZddlmZmZmZddlmZddlmZddZ dd Z d d Z d d Z e ejZe ed<gdZdS)z miscellaneous zmq_utils wrapping)InterruptedSystemCall _check_rc_check_version)ffi)libcCs,tddt|tr|d}tt|S)zxCheck for zmq capability by name (e.g. 'ipc', 'curve') .. versionadded:: libzmq-4.1 .. versionadded:: 14.1 )rzzmq.hasutf8)r isinstancestrencodeboolCzmq_has) capabilityrS/home/ubuntu/veenaModal/venv/lib/python3.10/site-packages/zmq/backend/cffi/utils.pyhas s   rcCsLtd}td}t||}t|t|ddt|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. char[64]N()rnewrzmq_curve_keypairrbuffer)publicprivatercrrr curve_keypairs  $rcCsNt|tr |d}tddtd}t||}t|t |ddS)unCompute the public key corresponding to a private key for use with zmq.CURVE security Requires libzmq (≥ 4.2) to have been built with CURVE support. Parameters ---------- private The private key as a 40 byte z85-encoded bytestring Returns ------- bytestring The public key as a 40 byte z85-encoded bytestring. r )r curve_publicrNr) r r r rrrrzmq_curve_publicrr)rrrrrrr)s     rcOs. ||}zt|W |StyYqw)z/make a call, retrying if interrupted with EINTR)rr)fargskwargsrrrr_retry_sys_callAs  r#PYZMQ_DRAFT_API)rrrr$N)__doc__ zmq.errorrrr_cffirrrrrrr#r r$__annotations____all__rrrrs