ó ù¢TQc@s5ddlZddlZddlmZmZddlZddlmZd„Zd„Z de fd„ƒYZ de fd „ƒYZ d „Z d „Zd „Ze ƒZd „Zde fd„ƒYZeZdefd„ƒYZdefd„ƒYZd„Zejdkr(ddlmZn d„ZdS(iÿÿÿÿN(twrapstupdate_wrapper(tsixcs‡‡‡fd†}|S(Ncsˆˆ|tˆ|ŽS(N(tdict(tmoreargst morekwargs(targstkwargst _curried_func(s0../Django//lib/python/django/utils/functional.pyt_curried s((RRRR ((RRRs0../Django//lib/python/django/utils/functional.pytcurry scs%tˆƒ‡‡‡fd†ƒ}|S(sè Wrap a function so that results for any argument tuple are stored in 'cache'. Note that the args to the function must be usable as dictionary keys. Only the first num_args are considered when creating the key. cs8|ˆ }|ˆkrˆ|Sˆ|Œ}|ˆ|<|S(N((Rtmem_argstresult(tcachetnum_argstfunc(s0../Django//lib/python/django/utils/functional.pytwrappers     (R(RR RR((R RRs0../Django//lib/python/django/utils/functional.pytmemoizes!tcached_propertycBs eZdZd„Zd„ZRS(sz Decorator that creates converts a method with a single self argument into a property cached on the instance. cCs ||_dS(N(R(tselfR((s0../Django//lib/python/django/utils/functional.pyt__init__'scCs$|j|ƒ}|j|jj<|S(N(Rt__dict__t__name__(Rtinstancettypetres((s0../Django//lib/python/django/utils/functional.pyt__get__*s (Rt __module__t__doc__RR(((s0../Django//lib/python/django/utils/functional.pyR"s tPromisecBseZdZRS(sš This is just a base class for the proxy class created in the closure of the lazy function. It can be used to recognize promises in code. (RRR(((s0../Django//lib/python/django/utils/functional.pyR.scsDtdtf‡‡fd†ƒYƒ‰tˆƒ‡fd†ƒ}|S(s Turns any callable into a lazy evaluated callable. You need to give result classes or types -- at least one is needed so that the automatic forcing of the lazy evaluation code is triggered. Results are not memoized; the function is evaluated on every access. t __proxy__cs¿eZdZd Zd„Z‡‡fd†Z‡fd†ZeeƒZ‡fd†Z ee ƒZ ‡fd†Z ‡fd†Z ‡fd†Z d„Z d „Zd „Zd „Zd „ZRS(sÜ Encapsulate a function call and act as a proxy for methods that are called on the result of that function. The function is not evaluated until one of the methods on the result is called. cSs2||_||_|jdkr.|jƒndS(N(t_proxy____argst _proxy____kwt_proxy____dispatchtNonet__prepare_class__(RRtkw((s0../Django//lib/python/django/utils/functional.pyRGs  cstˆ|j|jfˆfS(N(t_lazy_proxy_unpickleRR (R(t resultclassesR(s0../Django//lib/python/django/utils/functional.pyt __reduce__MscsBi|_x’ˆD]Š}i|j||j|_n0|j r>t jr/|j|_q>|j|_ndS(Ns9Cannot call lazy() with both bytes and text return types.(R!treversedtmroRtitemst __promise__thasattrtsetattrtbytest_delegate_bytesRt text_typet_delegate_texttAssertionErrortPY3t_proxy____text_castt__str__t __unicode__t_proxy____bytes_castt __bytes__(tclst resultclassttype_tktvtmeth(R&(s0../Django//lib/python/django/utils/functional.pyR#Ss(       csF‡‡fd†}||jkr1i|j|s        cs ˆ||ƒS(N((RR$(R(s0../Django//lib/python/django/utils/functional.pyRB«s(ttotal_orderingRR(RR&RB((RR&Rs0../Django//lib/python/django/utils/functional.pytlazy6slcGst||Œ||ŽS(N(RV(RRRR&((s0../Django//lib/python/django/utils/functional.pyR%²scs"tˆƒ‡‡fd†ƒ}|S(sú A decorator that allows a function to be called with one or more lazy arguments. If none of the args are lazy, the function is evaluated immediately, otherwise a __proxy__ is returned that will evaluate the function when needed. cs`xGt|ƒttj|ƒƒD]}t|tƒr Pq q Wˆ||ŽStˆˆŒ||ŽS(N(tlistRt itervaluesRHRRV(RRtarg(R&R(s0../Django//lib/python/django/utils/functional.pyR¼s & (R(RR&R((R&Rs0../Django//lib/python/django/utils/functional.pyt allow_lazyµscs‡fd†}|S(Ncs,|jtkr|jƒnˆ|j|ŒS(N(t_wrappedtemptyt_setup(RR(R(s0../Django//lib/python/django/utils/functional.pytinnerÈs ((RR^((Rs0../Django//lib/python/django/utils/functional.pytnew_method_proxyÇst LazyObjectcBsJeZdZd„ZeeƒZd„Zd„Zd„Z ee ƒZ RS(s÷ A wrapper for another class that can be used to delay instantiation of the wrapped class. By subclassing, you have the opportunity to intercept and alter the instantiation. If you don't need to do that, use SimpleLazyObject. cCs t|_dS(N(R\R[(R((s0../Django//lib/python/django/utils/functional.pyRÖscCsO|dkr||jd>> partition(lambda x: x > 3, range(5)) [0, 1, 2, 3], [4] (tappend(t predicatetvaluestresultstitem((s0../Django//lib/python/django/utils/functional.pyt partitionPs  ii(RUcCsKidd„fdd„fdd„fgd6dd„fdd „fdd „fgd6dd „fdd „fdd „fgd6dd„fdd„fdd„fgd6}tt|ƒƒt|ƒ@}|sãtdƒ‚nt|ƒ}xU||D]I\}}||krú||_tt|ƒj|_t|||ƒqúqúW|S(s6Class decorator that fills in missing ordering methodst__gt__cSs||kp||k S(N((RRJ((s0../Django//lib/python/django/utils/functional.pytgst__le__cSs||kp||kS(N((RRJ((s0../Django//lib/python/django/utils/functional.pyRŠhst__ge__cSs ||k S(N((RRJ((s0../Django//lib/python/django/utils/functional.pyRŠisRLcSs||k p||kS(N((RRJ((s0../Django//lib/python/django/utils/functional.pyRŠjscSs||ko||k S(N((RRJ((s0../Django//lib/python/django/utils/functional.pyRŠkscSs ||k S(N((RRJ((s0../Django//lib/python/django/utils/functional.pyRŠlscSs||kp||k S(N((RRJ((s0../Django//lib/python/django/utils/functional.pyRŠmscSs||kp||kS(N((RRJ((s0../Django//lib/python/django/utils/functional.pyRŠnscSs ||k S(N((RRJ((s0../Django//lib/python/django/utils/functional.pyRŠoscSs||k p||kS(N((RRJ((s0../Django//lib/python/django/utils/functional.pyRŠpscSs||ko||k S(N((RRJ((s0../Django//lib/python/django/utils/functional.pyRŠqscSs ||k S(N((RRJ((s0../Django//lib/python/django/utils/functional.pyRŠrss6must define at least one ordering operation: < > <= >=( tsetRit ValueErrortmaxRRgtintRR-(R9tconverttrootstroottopnametopfunc((s0../Django//lib/python/django/utils/functional.pyRUds.           (iii(RnRwt functoolsRRtsyst django.utilsRR RtobjectRRRVR%RZR\R_R`tsuperRmRkRvR}Rˆt version_infoRU(((s0../Django//lib/python/django/utils/functional.pyts*       |    (D