ó L]c@s•dZddlmZddlmZmZddlmZmZm Z m Z ddl m Z d„Z d„Zd „Zd „Zd d d gZdS(s miscellaneous zmq_utils wrappingiÿÿÿÿ(tEINTRi(tffitC(tZMQErrortInterruptedSystemCallt _check_rct_check_version(tunicodecCsAtddƒt|tƒr.|jdƒ}nttj|ƒƒS(s|Check for zmq capability by name (e.g. 'ipc', 'curve') .. versionadded:: libzmq-4.1 .. versionadded:: 14.1 iiszmq.hastutf8(ii(Rt isinstanceRtencodetboolRtzmq_has(t capability((s5lib/python2.7/site-packages/zmq/backend/cffi/utils.pythass cCsktddƒtjdƒ}tjdƒ}tj||ƒ}t|ƒtj|ƒd tj|ƒd fS(sgenerate a Z85 keypair 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 keypair as 40 byte z85-encoded bytestrings. iit curve_keypairschar[64]i((ii(RRtnewRtzmq_curve_keypairRtbuffer(tpublictprivatetrc((s5lib/python2.7/site-packages/zmq/backend/cffi/utils.pyRs  cCsjt|tƒr!|jdƒ}ntddƒtjdƒ}tj||ƒ}t|ƒtj |ƒd S(so Compute 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. Riit curve_publicschar[64]i((ii( R RR RRRRtzmq_curve_publicRR(RRR((s5lib/python2.7/site-packages/zmq/backend/cffi/utils.pyR-s  cOsCx<tr>||Œ}yt|ƒWntk r9qqXPqWdS(s/make a call, retrying if interrupted with EINTRN(tTrueRR(tftargstkwargsR((s5lib/python2.7/site-packages/zmq/backend/cffi/utils.pyt_retry_sys_callEs   RRRN(t__doc__terrnoRt_cffiRRt zmq.errorRRRRtzmq.utils.strtypesRRRRRt__all__(((s5lib/python2.7/site-packages/zmq/backend/cffi/utils.pyts"