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Note the creation function takes a key, unlike collections.defaultdict. cC@s ||_dS(N(tcreator(R Rª((s;lib/python2.7/site-packages/sqlalchemy/util/_collections.pyR3ÚscC@s|j|ƒ||<}|S(N(Rª(R Rtval((s;lib/python2.7/site-packages/sqlalchemy/util/_collections.pyt __missing__Ýs(R R R"R3R¬(((s;lib/python2.7/site-packages/sqlalchemy/util/_collections.pyR©Òs cC@sttj|ƒƒS(N(R#toperatort itemgetter(tidx((s;lib/python2.7/site-packages/sqlalchemy/util/_collections.pytïtcC@sˆtƒ}|j}|sHg|D]%}||kr||ƒ r|^qSg|D]1}||ƒ|krO|||ƒƒ rO|^qOSdS(N(RlRn(tseqthashfunctseentseen_addtx((s;lib/python2.7/site-packages/sqlalchemy/util/_collections.pyRmós  0 tUniqueAppendercB@s,eZdZdd„Zd„Zd„ZRS(s½Appends items to a collection ensuring uniqueness. Additional appends() of the same object are ignored. Membership is determined by identity (``is a``) not equality (``==``). cC@sm||_i|_|r-t||ƒ|_n<t|dƒrK|j|_nt|dƒri|j|_ndS(NRgRn(R@t_uniquetgetattrt_data_appenderRcRgRn(R R@tvia((s;lib/python2.7/site-packages/sqlalchemy/util/_collections.pyR3s  cC@s<t|ƒ}||jkr8|j|ƒt|j|t|ƒdkr6t|dtjƒr6t|dƒS|SdS(Nii(RAR6ttypest GeneratorTypeR(R-((s;lib/python2.7/site-packages/sqlalchemy/util/_collections.pytcoerce_generator_args(cC@s^|dkr|St|tjƒ s6t|ttƒr=|gSt|tƒrP|St|ƒSdS(N(RR6RtIterableRRR(R¶RW((s;lib/python2.7/site-packages/sqlalchemy/util/_collections.pytto_list"s cC@s/t|jg|D]}|jr|^qƒƒS(s²return True if any items of set\_ are present in iterable. Goes through special effort to ensure __hash__ is not called on items in iterable that don't support it. (tboolRwRž(tset_Rsti((s;lib/python2.7/site-packages/sqlalchemy/util/_collections.pythas_intersection/scC@s:|dkrtƒSt|tƒs2tt|ƒƒS|SdS(N(RRlR6RÁ(R¶((s;lib/python2.7/site-packages/sqlalchemy/util/_collections.pytto_set:s  cC@s:|dkrtƒSt|tƒs2tt|ƒƒS|SdS(N(Rt column_setR6RÁ(R¶((s;lib/python2.7/site-packages/sqlalchemy/util/_collections.pyt to_column_setCs  cK@s3|jƒ}|r"|j|ƒn|j||S(s5Copy the given dict and update with the given values.(RaR(R)t_newR.((s;lib/python2.7/site-packages/sqlalchemy/util/_collections.pyt update_copyLs   cc@sXxQ|D]I}t|tƒ rKt|dƒrKx!t|ƒD] }|Vq9Wq|VqWdS(sGiven an iterator of which further sub-elements may also be iterators, flatten the sub-elements into a single iterator. REN(R6RHRctflatten_iterator(R¶telemty((s;lib/python2.7/site-packages/sqlalchemy/util/_collections.pyRËVs   tLRUCachecB@sweZdZdZdddd„Zd „Zdd „Zd „Zd „Z d „Z d„Z e d„ƒZ d„ZRS(sóDictionary with 'squishy' removal of least recently used items. Note that either get() or [] should be used here, but generally its not safe to do an "in" check first as the dictionary can change subsequent to that call. tcapacityt thresholdt size_alertt_countert_mutexidgà?cC@s7||_||_||_d|_tjƒ|_dS(Ni(RÏRÐRÑRÒRtLockRÓ(R RÏRÐRÑ((s;lib/python2.7/site-packages/sqlalchemy/util/_collections.pyR3os     cC@s|jd7_|jS(Ni(RÒ(R ((s;lib/python2.7/site-packages/sqlalchemy/util/_collections.pyt _inc_countervscC@sAtj|||ƒ}||k r9|jƒ|d<|dS|SdS(Nii(R'RXRÕ(R RRWRj((s;lib/python2.7/site-packages/sqlalchemy/util/_collections.pyRXzs  cC@s*tj||ƒ}|jƒ|d<|dS(Nii(R'RNRÕ(R RRj((s;lib/python2.7/site-packages/sqlalchemy/util/_collections.pyRN‚scC@s$gtj|ƒD]}|d^qS(Ni(R'RD(R RÄ((s;lib/python2.7/site-packages/sqlalchemy/util/_collections.pyRD‡scC@s&||kr||S|||<|SdS(N((R RR((s;lib/python2.7/site-packages/sqlalchemy/util/_collections.pyR<Šs  cC@satj||ƒ}|dkrI|||jƒg}tj|||ƒn ||d<|jƒdS(Ni(R'RXRRÕR1t _manage_size(R RRRj((s;lib/python2.7/site-packages/sqlalchemy/util/_collections.pyR1‘s   cC@s|j|j|jS(N(RÏRÐ(R ((s;lib/python2.7/site-packages/sqlalchemy/util/_collections.pytsize_thresholdšscC@sì|jjtƒsdSzÁt|jƒ}x«t|ƒ|j|j|jkrÕ|rjt}|j|ƒntt j |ƒdt j dƒdt ƒ}x;||jD],}y||d=Wq¢tk rÍq¢q¢Xq¢Wq+WWd|jjƒXdS(NRitreversei(RÓtacquireRŒRÂRÑRARÏRÐtsortedR'RDR­R®RŽRRtrelease(R RÑt by_counterRj((s;lib/python2.7/site-packages/sqlalchemy/util/_collections.pyRÖžs &' (RÏRÐRÑRÒRÓN(R R R"RRR3RÕRXRNRDR<R1R#R×RÖ(((s;lib/python2.7/site-packages/sqlalchemy/util/_collections.pyRÎcs      idc C@sÎ|ft|ƒ}tj|ƒ}|r,|St|tftgt|ƒD](\}}|dk rH|t|f^qHddfgƒƒ}||_ tg|D]}|dk rœ|^qœƒ|_ |t|<|S(NR(( Rt _lw_tuplesRXRR$R't enumerateRt_property_gettersR%R (tnametfieldsthash_ttp_clsR¯tfieldtf((s;lib/python2.7/site-packages/sqlalchemy/util/_collections.pytlightweight_named_tuple·s  . tScopedRegistrycB@s;eZdZd„Zd„Zd„Zd„Zd„ZRS(sÆA Registry that can store one or multiple instances of a single class on the basis of a "scope" function. The object implements ``__call__`` as the "getter", so by calling ``myregistry()`` the contained object is returned for the current scope. :param createfunc: a callable that returns a new object to be placed in the registry :param scopefunc: a callable that will return a key to store/retrieve an object. cC@s||_||_i|_dS(sVConstruct a new :class:`.ScopedRegistry`. :param createfunc: A creation function that will generate a new value for the current scope, if none is present. :param scopefunc: A function that returns a hashable token representing the current scope (such as, current thread identifier). N(t createfunct scopefunctregistry(R RèRé((s;lib/python2.7/site-packages/sqlalchemy/util/_collections.pyR3às  cC@sI|jƒ}y|j|SWn'tk rD|jj||jƒƒSXdS(N(RéRêRRR<Rè(R R((s;lib/python2.7/site-packages/sqlalchemy/util/_collections.pyt__call__ïs   cC@s|jƒ|jkS(s9Return True if an object is present in the current scope.(RéRê(R ((s;lib/python2.7/site-packages/sqlalchemy/util/_collections.pythasöscC@s||j|jƒs`    C O akÒ    Q  8