e#]c@sdZddlZddlZddlZddlmZmZddlmZej e Z dej fdYZ dej fdYZd Zejd efd YZdS( sClasses and global objects related to resolving U{XML Namespaces}.iN(tarchivetutility(tsixt_Resolvable_mixincBs5eZdZeZdZdZdddZRS(sVMix-in indicating that this object may have references to unseen named components. This class is mixed-in to those XMLSchema components that have a reference to another component that is identified by a QName. Resolution of that component may need to be delayed if the definition of the component has not yet been read. cCs tdt|jfdS(s^Determine whether this named component is resolved. Override this in the child class.s"_Resolvable_mixin.isResolved in %sN(tNotImplementedErrorttypet__name__(tself((sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyt isResolved'scCs tdt|jfdS(stPerform whatever steps are required to resolve this component. Resolution is performed in the context of the namespace to which the component belongs. Invoking this method may fail to complete the resolution process if the component itself depends on unresolved components. The sole caller of this should be L{_NamespaceResolution_mixin.resolveDefinitions}. This method is permitted (nay, encouraged) to raise an exception if resolution requires interpreting a QName and the named component cannot be found. Override this in the child class. In the prefix, if L{isResolved} is true, return right away. If something prevents you from completing resolution, invoke L{self._queueForResolution()} (so it is retried later) and immediately return self. Prior to leaving after successful resolution discard any cached dom node by setting C{self.__domNode=None}. @return: C{self}, whether or not resolution succeeds. @raise pyxb.SchemaValidationError: if resolution requlres a reference to an unknown component s _Resolvable_mixin._resolve in %sN(RRR(R((sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyt_resolve-scCsH|dk r.|jr.tjd|||n|jj||dS(sUShort-hand to requeue an object if the class implements _namespaceContext(). s-Resolution delayed for %s: %s Depends on: %sN(tNonet_TraceResolutiont_logtinfot_namespaceContexttqueueForResolution(Rtwhyt depends_on((sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyt_queueForResolutionEsN( Rt __module__t__doc__tFalseR RR R R(((sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyRs   t_NamespaceResolution_mixincBseZdZdZdZdZdZdZdZ dZ dZ dZ dZ dZdZdd Zd Zd Zed Zd ZdZRS(sjMix-in that aggregates those aspects of XMLNamespaces relevant to resolving component references. cCsMttt|ddg|_i|_t|_t|_dS(skCSC extension to reset fields of a Namespace. This one handles component-resolution--related data.t_resetc_sdS(N(R (targstkw((sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pytfsN(tgetattrtsuperRt0_NamespaceResolution_mixin__unresolvedComponentst0_NamespaceResolution_mixin__unresolvedDependentstsett._NamespaceResolution_mixin__importedNamespacest0_NamespaceResolution_mixin__referencedNamespaces(R((sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyRbs    cCsC|ji|jd6|jd6ttt|dd|S(NtimportedNamespacestreferencedNamespacest _getState_csccSs|S(N((t_kw((sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyRqs(tupdateR R!RRR(RR((sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyR$ls  csB|d_|d_tttdfd|S(NR"R#t _setState_csccsS(N((R%(R(sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyRvs(R R!RRR(RR((RsN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyR'ss  cCs|jj||S(N(R tadd(Rt namespace((sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pytimportNamespacexscCs|j|jj||S(N(t _activateR!R((RR)((sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyt_referenceNamespace|s cCs t|jS(soReturn the set of namespaces which some schema imported while processing with this namespace as target.(t frozensetR (R((sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyR"scCs9t|tjst|j|j|jjdS(N(t isinstanceRt ModuleRecordtAssertionErrort_setReferencedNamespacesR!tclear(Rt module_record((sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyt_transferReferencedNamespacesscCs t|jS(stReturn the set of namespaces which appear in namespace declarations of schema with this namespace as target.(R-R!(R((sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyR#scCst|tst|js|dksBt|tsBt|jj||dk r|j rddlm}t|tstt||j st|j j |t j |qn|S(sIInvoked to note that a component may have references that will need to be resolved. Newly created named components are often unresolved, as are components which, in the course of resolution, are found to depend on another unresolved component. @param resolvable: An instance of L{_Resolvable_mixin} that is later to be resolved. @keyword depends_on: C{None}, or an instance of L{_Resolvable_mixin} which C{resolvable} requires to be resolved in order to resolve itself. @return: C{resolvable} i(t structuresN(R.RR0RR Rtappendtpyxb.xmlschemaR5t_NamedComponent_mixinRt setdefaultRR((Rt resolvableRR5((sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyRs !%cCs |jdk S(s8Return C{True} iff this namespace has not been resolved.N(RR (R((sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pytneedsResolutionscsy||jj|}dks0|jkr=|j|=n"ttsRt|j|<||jkr{|j|=nWntk rnXtt t |dfd|S(sXReplace a component definition if present in the list of unresolved components. t_replaceComponent_csccsS(N((RR(treplacement_def(sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyRsN( RtindexR R.RR0Rt ValueErrorRRR(Rt existing_defR=R>((R=sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyR<s   cCs|jstSxadt|jkrs|j}g|_i|_xs|D]k}|j|js||jkstd|f|jrJ|jd k rJt stqJqJW|j|kr|rt Sg}ddl m }xc|jD]X}t ||jr0|jd|jj|jfq|jd|jjfqWtjddj|fqqWd |_d |_|jtS( sLoop until all references within the associated resolvable objects have been resolved. 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The resolution routines are entitled to raise a validation exception if a reference to an unrecognized component is encountered. isLost resolvable %si(R5s %s named %ss Anonymous %ss!Infinite loop in resolution: %ss N(R;tTruetlenRRR RR0t_clonesR RR7R5R.R8R6t __class__RtnametpyxbtNotInNamespaceErrortjoint_releaseNamespaceContexts(Rtallow_unresolvedt unresolvedR:tfailed_componentsR5td((sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pytresolveDefinitionss2      .&&   cCs|jS(s9Returns a reference to the list of unresolved components.(R(R((sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyt_unresolvedComponentsscCs|jS(scReturns a map from unresolved components to sets of components that must be resolved first.(R(R((sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyt_unresolvedDependents sN(RRRR R R!RRRR$R'R*R,R"R4R#RR;R<RRNRORP(((sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyRLs&           D c CsAx1|D])}|jtjjg|jqWd}t|}i}d}x|r<t|}|r|jd||nt}i}x|D]}|j sqn|j dt s|j |t}xbt j|jD]K\}} x<| D]4} | jj} | |kr|j| qqWqWtjd|jt jdjg|D]} t j| ^qk|j|qqWg} x-|D]%}| j|t|jfqWt| } || kr3tjdt jdjg|D]}t j|^q fn| }qXWdS( sResolve all components in the sibling_namespaces. @param sibling_namespaces : A set of namespaces expected to be closed under dependency.cs dtffdY}|S(sSort namespaces so dependencies get resolved first. 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The dependency map is incorporated into the class definition by scope. tKcsSeZdZfdZfdZdZdZdZdZRS(cWs ||_dS(N(t_K__ns(RtnsR((sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyt__init__"scs@|jj|jtko?|jj|jtkS(N(RRtgetR(Rtother(tdependency_map(sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyt__lt__'s!cs@|jj|jtk|jj|jtkkS(N(RRRUR(RRV(RW(sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyt__eq__-scSs|j| S(N(RY(RRV((sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyt__ne__1scSs|j|p|j|S(N(RXRY(RRV((sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyt__le__3scSs|j|jS(N(RXRR(RRV((sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyt__gt__5scSs|j|jp|j|S(N(RXRRRY(RRV((sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyt__ge__7s( RRRTRXRYRZR[R\R]((RW(sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyRQ!s    (tobject(RWRQ((RWsN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyt__keyForComparestkeyRJs/Holding incomplete resolution %s depending on: s ; s8Unexpected external dependency in sibling namespaces: %ss N(tconfigureCategoriesRtNamespaceArchivet_AnonymousCategorytvalidateComponentModelRR tlisttsortR;RNRAR9Rt iteritemsRPt expandedNameR)R(R R turituRHt text_typeR6RBROttupleRFt LogicError(tsibling_namespacesRSR_tneed_resolved_setRWt last_statetneed_resolved_listtdepstctdcstdctdnst_dnststatet_ns((sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pytResolveSiblingNamespacess@  !      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The discarded context is returned.(Rtpop(R((sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyt PopContextscCs#|dk st||j||dk rEt j|d|fn|j|d|_ dS(Ni(Rs"Cannot manipulate bound prefix xmlRs,Attempt to undefine non-default namespace %s(RRRRRAtXMLt boundPrefixR RiRFRmRRRRt"_NamespaceContext__removePrefixMapRRR,t._NamespaceContext__pendingReferencedNamespacesR(tNamespaceError(RRRiRRS((sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pyt processXMLNS;s,   !     cCs-|dk r?dt|ks$ttj|dt|_no|jdkr|dk ru|j|_t|_q|dkrtj |_qtj|dt|_n|j dk rg|j D]}|jj |^qd|_ n|jdk st|j r)|jj r)t|_ndS(NiR(R RBR0RRRARRt,_NamespaceContext__fallbackToTargetNamespacetCreateAbsentNamespaceRR,t-_NamespaceContext__pendingReferencedNamespaceR(Rttns_uritincluding_contextRy((sN/data/av2000/b2b/venv/lib/python2.7/site-packages/pyxb/namespace/resolution.pytfinalizeTargetNamespace^s     & cCs.|j|_|j|_t|_d|_dS(sReset this instance to the state it was when created, exclusive of XMLNS directives passed in a constructor C{dom_node} parameter. 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