a RG5d/@sddlmZddlmZddlZddlmZmZm Z m Z ddl m Z ddl ZGdddeZd d ZGd d d Zd dZeZdgZddZefddZGdddZddZGdddeZddZddZdS))Set)warnN)ordering ambiguitiessuper_signatureAmbiguityWarning) expand_tuplesc@seZdZdZdS)MDNotImplementedErrorz- A NotImplementedError for multiple dispatch N)__name__ __module__ __qualname____doc__rr]/var/www/html/django/DPS/env/lib/python3.9/site-packages/sympy/multipledispatch/dispatcher.pyr sr cCstt|j|tdS)aC Raise warning when ambiguity is detected Parameters ---------- dispatcher : Dispatcher The dispatcher on which the ambiguity was detected ambiguities : set Set of type signature pairs that are ambiguous within this dispatcher See Also: Dispatcher.add warning_text N)r warning_textnamer) dispatcherrrrrambiguity_warnsrc@s eZdZdZddZddZdS)RaiseNotImplementedErrorz*Raise ``NotImplementedError`` when called.cCs ||_dSN)r)selfrrrr__init__$sz!RaiseNotImplementedError.__init__cOs.tdd|D}td|jjt|fdS)Ncss|]}t|VqdSrtype).0arrr (z4RaiseNotImplementedError.__call__..z Ambiguous signature for %s: <%s>)tupleNotImplementedErrorrr str_signature)rargskwargstypesrrr__call__'s  z!RaiseNotImplementedError.__call__N)r r r rrr%rrrrr!srcCs@|D]6}tt|}tt|dkr&q|j|t|tdqdS)a If super signature for ambiguous types is duplicate types, ignore it. Else, register instance of ``RaiseNotImplementedError`` for ambiguous types. Parameters ---------- dispatcher : Dispatcher The dispatcher on which the ambiguity was detected ambiguities : set Set of type signature pairs that are ambiguous within this dispatcher See Also: Dispatcher.add ambiguity_warn r on_ambiguityN)rrlensetaddr#ambiguity_register_error_ignore_dup)rramb signaturerrrr+.s r+TcCs dtd<dS)NFr)_resolverrrr halt_orderingNsr/cCs&dtd<tr"t}|j|dqdS)NTrr&)r._unresolved_dispatcherspopreorder)r'rrrrrestart_orderingRsr3c@seZdZdZdZd(ddZddZedd Zed d Z e fd d Z e fddZ ddZ ddZeZddZddZddZddZddZeddZd d!Zd"d#Zd$d%Zd&d'ZdS)) Dispatcheraj Dispatch methods based on type signature Use ``dispatch`` to add implementations Examples -------- >>> from sympy.multipledispatch import dispatch >>> @dispatch(int) ... def f(x): ... return x + 1 >>> @dispatch(float) ... def f(x): # noqa: F811 ... return x - 1 >>> f(3) 4 >>> f(3.0) 2.0 )r rfuncsr_cachedocNcCs(||_|_i|_i|_g|_||_dSr)rr r5r6rr7)rrr7rrrrqs  zDispatcher.__init__csfdd}|S)a# Register dispatcher with new implementation >>> from sympy.multipledispatch.dispatcher import Dispatcher >>> f = Dispatcher('f') >>> @f.register(int) ... def inc(x): ... return x + 1 >>> @f.register(float) ... def dec(x): ... return x - 1 >>> @f.register(list) ... @f.register(tuple) ... def reverse(x): ... return x[::-1] >>> f(1) 2 >>> f(1.0) 0.0 >>> f([1, 2, 3]) [3, 2, 1] csj|fi|Sr)r*)funcr#rr$rr_szDispatcher.register.._r)rr$r#r:rr9rregisterxszDispatcher.registercCs"ttdrt|}|jSdS)Nr-)hasattrinspectr- parametersvaluesclsr8sigrrrget_func_paramss  zDispatcher.get_func_paramscsV||}|rRtjfdd|D}tdd|D}tfdd|DsR|SdS)z; Get annotations of function positional parameters c3s$|]}|jjjfvr|VqdSr)kindPOSITIONAL_ONLYPOSITIONAL_OR_KEYWORDrparam Parameterrrrs z2Dispatcher.get_func_annotations..css|] }|jVqdSr) annotationrGrrrrsc3s|]}|juVqdSr)empty)rannrIrrrrN)rCr=rJrany)rAr8params annotationsrrIrget_func_annotationss zDispatcher.get_func_annotationscCs|s||}|r|}tdd|DrHt|D]}||||q0dS|D]6}t|tsLddd|D}td|||jfqL||j |<|j |d|j dS)a Add new types/method pair to dispatcher >>> from sympy.multipledispatch import Dispatcher >>> D = Dispatcher('add') >>> D.add((int, int), lambda x, y: x + y) >>> D.add((float, float), lambda x, y: x + y) >>> D(1, 2) 3 >>> D(1, 2.0) Traceback (most recent call last): ... NotImplementedError: Could not find signature for add: When ``add`` detects a warning it calls the ``on_ambiguity`` callback with a dispatcher/itself, and a set of ambiguous type signature pairs as inputs. See ``ambiguity_warn`` for an example. css|]}t|tVqdSr) isinstancer)rtyprrrrrz!Dispatcher.add..N, css&|]}t|tr|jnt|VqdSr)rRrr str)rcrrrrszDTried to dispatch on non-type: %s In signature: <%s> In function: %sr&) rQrNr r*rRrjoin TypeErrorrr5r2r6clear)rr-r8r'rPZtypsrSZstr_sigrrrr*s&       zDispatcher.addcCs<tdr.t|j|_t|j}|r8|||n t|dS)Nr)r.rr5rr0r*)rr'r,rrrr2s    zDispatcher.reorderc Ostdd|D}z|j|}Wn@ty`|j|}|sRtd|jt|f||j|<Yn0z||i|WSty|j|}t ||D]0}z||i|WYStyYq0qtd|jt|fYn0dS)NcSsg|] }t|qSrrrargrrr rz'Dispatcher.__call__..%Could not find signature for %s: <%s>zFMatching functions for %s: <%s> found, but none completed successfully) rr6KeyErrordispatchr rr!r dispatch_iternext)rr"r#r$r8r5rrrr%s2       zDispatcher.__call__cCs d|jS)Nzrrrrr__str__szDispatcher.__str__cGs>||jvr|j|Szt|j|WSty8YdS0dS)a` Deterimine appropriate implementation for this type signature This method is internal. Users should call this object as a function. Implementation resolution occurs within the ``__call__`` method. >>> from sympy.multipledispatch import dispatch >>> @dispatch(int) ... def inc(x): ... return x + 1 >>> implementation = inc.dispatch(int) >>> implementation(3) 4 >>> print(inc.dispatch(float)) None See Also: ``sympy.multipledispatch.conflict`` - module to determine resolution order N)r5rar` StopIterationrr$rrrr_s    zDispatcher.dispatchcgsDt|}|jD]0}t||krttt||r|j|}|VqdSr)r(rallmap issubclassr5)rr$nr-resultrrrr`#s   zDispatcher.dispatch_itercCstdt|j|S)z Deterimine appropriate implementation for this type signature .. deprecated:: 0.4.4 Use ``dispatch(*types)`` instead z-resolve() is deprecated, use dispatch(*types))rDeprecationWarningr_rfrrrresolve*szDispatcher.resolvecCs|j|jdS)Nrr5rnrcrrr __getstate__5szDispatcher.__getstate__cCs*|d|_|d|_t|j|_i|_dS)Nrr5)rr5rr6)rdrrr __setstate__9s   zDispatcher.__setstate__cCsd|jg}|jr||jg}|jdddD]\}|j|}|jrdt|}|dt|d7}||j7}||q2|t|q2|r|dd |d |S) NzMultiply dispatched method: %sz Inputs: <%s> - zOther signatures: z  ) rr7appendrr5rr!r(striprW)rdocsotherrBr8srrrr?s     zDispatcher.__doc__cGs|jtt|jSr)r_rhrr)rr"rrr_helpVszDispatcher._helpcOst|j|dS)z: Print docstring for the function corresponding to inputs N)printr{rr"r#rrrhelpYszDispatcher.helpcGs$|jtt|}|stdt|S)NzNo function found)r_rhrrXsource)rr"r8rrr_source]szDispatcher._sourcecOst|j|dS)z< Print source code for the function corresponding to inputs N)r|rr}rrrrcszDispatcher.source)N)r r r r __slots__rr; classmethodrCrQrr*r2r%rd__repr__r_r`rmrorqpropertyr{r~rrrrrrr4Ys0     ,   r4cCs dt|}|t|}|S)Nz File: %s )r= getsourcefile getsource)r8rzrrrrhsrc@s,eZdZdZeddZddZddZdS) MethodDispatcherzP Dispatch methods based on type signature See Also: Dispatcher cCs,ttdr(t|}t|jddSdS)Nr-r)r<r=r-itlislicer>r?r@rrrrCus  z MethodDispatcher.get_func_paramscCs||_||_|Sr)objrA)rinstanceownerrrr__get__{szMethodDispatcher.__get__cOsNtdd|D}|j|}|s6td|jt|f||jg|Ri|S)NcSsg|] }t|qSrrrZrrrr\rz-MethodDispatcher.__call__..r])rr_r rr!r)rr"r#r$r8rrrr%s  zMethodDispatcher.__call__N)r r r rrrCrr%rrrrrns  rcCsddd|DS)z String representation of type signature >>> from sympy.multipledispatch.dispatcher import str_signature >>> str_signature((int, float)) 'int, float' rTcss|] }|jVqdSr)r )rrArrrrrz str_signature..rW)rBrrrr!sr!csbd}|d7}|D]$}|dddd|Dd7}q|d7}|d fd d |D7}|S) z! The text for ambiguity warnings z. Ambiguities exist in dispatched function %s z;The following signatures may result in ambiguous behavior:  rTcss|]}dt|dVqdS)[]N)r!rrzrrrrrzwarning_text..rtz, Consider making the following additions: rucs$g|]}dtt|dqS)z @dispatch(z ) def %s(...))r!rrrbrrr\sz warning_text..r)rr,textpairrrbrrs r)typingrZtSetwarningsrr=conflictrrrrutilsr itertoolsrr r rrr+r)r0r.r/r3r4rrr!rrrrrs(