^ @dZddlZddlZddlmZmZejdk(Z dxZ Z dxZ Z dxZZGdd eZGd d eZGd d eZ dZej+dZGddeZGddeZGddeZGddeZy#e$rdZY7wxYw)z6Common code shared between various netaddr sub modulesN) _callable_iter_dict_keysbigceZdZdZy)AddrFormatErrorzO An Exception indicating a network address is not correctly formatted. N__name__ __module__ __qualname____doc__./usr/lib/python3/dist-packages/netaddr/core.pyr r s  rr ceZdZdZy)AddrConversionErrorz^ An Exception indicating a failure to convert between address types or notations. Nr rrrrr#  rrceZdZdZy)NotRegisteredErrorz\ An Exception indicating that an OUI or IAB was not found in the IEEE Registry. Nr rrrrr+rrr*c"|jS) :param int_val: an unsigned integer. :return: the minimum number of bits needed to represent value provided. ) bit_length)int_vals rnum_bitsr7s !!##rc(d}|r |dz }|dz}|r |S)rrrr)rnumbitss rrr@s*  qLG MGrceZdZdZdZy) SubscriberzK An abstract class defining the interface expected by a Publisher. ctd) A callback method used by a Publisher to notify this Subscriber about updates. :param data: a Python object containing data provided by Publisher. zcannot invoke virtual method!)NotImplementedErrorselfdatas rupdatezSubscriber.updateRs""ABBrN)r r rrr(rrrr!r!Ms Crr!c6eZdZdZej dfdZdZy) PrettyPrinterz A concrete Subscriber that employs the pprint in the standard library to format all data from updates received, writing them to a file-like object. Useful as a debugging aid. Tc ||_||_y)z Constructor. :param fh: a file-like object to write updates to. Default: sys.stdout. :param write_eol: if ``True`` this object will write newlines to output, if ``False`` it will not. N)fh write_eol)r&r,r-s r__init__zPrettyPrinter.__init__es"rc|jjtj||jr|jjdyy)r# N)r,write_pprintpformatr-r%s rr(zPrettyPrinter.updatess9  good+, >> GGMM$  rN)r r rr_sysstdoutr.r(rrrr*r*\s++ #  rr*c(eZdZdZdZdZdZdZy) Publisherz A 'push' Publisher that maintains a list of Subscriber objects notifying them of state changes by passing them update data when it encounter events of interest. cg|_y) ConstructorN) subscribersr&s rr.zPublisher.__init__s rct|dr?ttdr+||jvr|jj |yyt d|z)z Add a new subscriber. :param subscriber: a new object that implements the Subscriber object interface. r(zsubscriber.updatez'%r does not support required interface!N)hasattrrevalr:append TypeErrorr& subscribers rattachzPublisher.attachsU :x (Yt}t|tr|j t|.|j |@||j|<|||j|<yN) isinstancedictrK__dict__listtupler?)r&dklvs rr.zDictDotLookup.__init__s (A!A$%#01#6 a AaD4-01$A!!T*q!12 $ $% a #$Q4 a  (rc>||jvr|j|SyrM)rP)r&names r __getitem__zDictDotLookup.__getitem__s" 4== ==& & !rc,t|jSrM)rrPr;s r__iter__zDictDotLookup.__iter__st}}--rc@tj|jSrM)r2r3rPr;s r__repr__zDictDotLookup.__repr__st}}--rN)r r rrr.rYr[r]rrrrKrKs ('..rrK)rsysr4pprintr2netaddr.compatrr byteorderBIG_ENDIAN_PLATFORMP INET_PTONZZEROFILLNNOHOST Exceptionr rrarrAttributeErrorobjectr!r*r7rKrrrrms =5nn-IHF  i  )    ALLN$, C C  J  F+$+$\!.F!._   sBBB