??? 123123123123 .....................................................................................................................................??? 123123123123 .....................................................................................................................................3 5*[Z¸@ã@s¸dZddlmZddlZddlZddlZddlZddlZddlZdZ ej dkrdddlmZdd„Znej d d ƒZdd„Zd d„Zy ejZWnek r¦dd„ZYnXej ddƒZdd„ZejdƒZGdd„deƒZffdd„Zd*dd„ZyddlmZWn"ek rddlmZYnXGdd„deƒZeejƒZe ej!ƒZ"e"dkrhej#rhd d!„Zee_n,e"dkr|ej#r|ne"d"kr”d#d!„Zee_eeƒZ$d$d%„Z%d&d'„Z&d(d)„Z'dS)+zT Decorator module, see http://pypi.python.org/pypi/decorator for the documentation. é)Úprint_functionNz4.2.1Ú3)ÚgetfullargspeccCs|jS)N)Ú__init__)Úcls©rú/usr/lib/python3.6/decorator.pyÚget_init0sr ÚFullArgSpecz5args varargs varkw defaults kwonlyargs kwonlydefaultscCstjtj|ƒgdfƒS)z?A quick and dirty replacement for getfullargspec for Python 2.XN)r Ú_makeÚinspectÚ getargspec)Úfrrrr7srcCs|jjS)N)rÚ__func__)rrrrr ;scCsdS)NFr)rrrrÚiscoroutinefunctionBsrÚArgSpeczargs varargs varkw defaultscCst|ƒ}t|j|j|j|jƒS)z$A replacement for inspect.getargspec)rrÚargsÚvarargsÚvarkwÚdefaults)rÚspecrrrr Jsr z\s*def\s*([_\w][_\w\d]*)\s*\(c@sZeZdZdZejƒZfZZZ Z ZZd dd„Z dd„Zddd „Zeddd„ƒZdS)Ú FunctionMakerz´ An object with the ability to create functions with a given signature. It has attributes name, doc, module, signature, defaults, dict and methods update and make. NcCsÎ||_|rf|j|_|jdkr$d|_|j|_|j|_tj|ƒrft |ƒ}t |diƒ|_xdD]} t|| t || ƒƒq\Wx&t |jƒD]\} }t|d | |ƒq‚Wt|jƒ}t|jƒ} |jrÚ|jd|jƒ| jd|jƒn|jrê|jdƒx.|jD]$} |jd| ƒ| jd | | fƒqòW|jrB|jd|jƒ| jd|jƒdj|ƒ|_dj| ƒ|_|jjƒ|_|rr||_|dk r‚||_|rŽ||_|rš||_|r¦||_|r²||_t|dƒsÊtd|ƒ‚dS)NzÚ_lambda_Ú__annotations__rrrrÚ kwonlyargsÚkwonlydefaultszarg%dÚ*z%s=Nonez%s=%sz**z, Ú signaturez%You are decorating a non function: %s)rrrrrr)ÚshortsignatureÚ__name__ÚnameÚ__doc__ÚdocÚ __module__ÚmodulerÚ isfunctionrÚgetattrÚannotationsÚsetattrÚ enumeraterÚlistrÚappendrrÚjoinrÚ__dict__ÚcopyÚdictrÚhasattrÚ TypeError)ÚselfÚfuncr rrr"r$ZfuncdictZargspecÚaÚiÚargZallargsZallshortargsrrrrasZ zFunctionMaker.__init__cKsš|j|_t|ddƒ|_t|diƒ|_|j|_|jp4d|_t|ddƒ|_ yt jdƒ}Wntk rld}YnX|j jddƒ}t|d|ƒ|_|jj|ƒdS) z2Update the signature of func with the data in selfr"Nr/r'éú?rr$)r rr&r!r-rÚ__defaults__rÚ__kwdefaults__rÚsysÚ _getframeÚAttributeErrorÚ f_globalsÚgetr#Úupdate)r2r3ÚkwÚframeZcallermodulerrrr@•s zFunctionMaker.updateFc Ks|t|ƒ}|pi}tj|ƒ}|dkr2td|ƒ‚|jdƒ}t|gdd„|jjdƒDƒƒ}x$|D]} | dkrbtd | |fƒ‚qbW|j d ƒs”|d 7}dt |jƒf} yt|| dƒ}t ||ƒWn*td tjdt|tjd‚YnX||}|r||d<|j|f|Ž|S)zBMake a new function from a given template and update the signatureNz not a valid function template %sécSsg|]}|jdƒ‘qS)z *)Ústrip)Ú.0r6rrrú ®sz&FunctionMaker.make..ú,Ú_func_Ú_call_z%s is overridden in %sÚ zZsinglezError in generated code:)ÚfileZ __source__)rHrI)ÚvarsÚDEFÚsearchÚSyntaxErrorÚgroupÚsetrÚsplitÚ NameErrorÚendswithÚnextÚ_compile_countÚcompileÚexecÚprintr;Ústderrr@) r2Z src_templÚevaldictÚ addsourceÚattrsÚsrcÚmor ÚnamesÚnÚfilenameÚcoder3rrrÚmake¦s4 zFunctionMaker.makeTcKs¨t|tƒr0|jƒjddƒ\} } | dd…}d}nd} d}|}||| ||||ƒ} djdd„|jƒDƒƒ}|jdƒ}|rŽt|ƒrŽd|jd d ƒ}nd|}| j |||f|ŽS) zú Create a function from the strings name, signature and body. evaldict is the evaluation dictionary. If addsource is true an attribute __source__ is added to the result. The attributes attrs are added, if any. ú(rCNrJcss|]}d|VqdS)z Nr)rEÚlinerrrú Úsz'FunctionMaker.create..rIz#async def %(name)s(%(signature)s): Úreturnzreturn awaitzdef %(name)s(%(signature)s): éÿÿÿÿ) Ú isinstanceÚstrrDrRr,Ú splitlinesr?rÚreplacerd)rÚobjZbodyr[rr"r$r\r]r Úrestrr3r2ZibodyÚcallerrrrÚcreateÈs zFunctionMaker.create)NNNNNNN)NF)NNNT)rr#Ú__qualname__r!Ú itertoolsÚcountrVrrrrrrrr@rdÚclassmethodrqrrrrrTs 3 "rc Csnt||d}d}x0t|ƒD]$\}}d|}|||<||d7}qWtj|d|||d}t|dƒrj|j|_|S)zE decorate(func, caller) decorates a function using a caller. )rIrHÚz_e%d_z, z,return _call_(_func_, %s%%(shortsignature)s))Ú__wrapped__rr)r/r)rrqr0rr) r3rpZextrasr[Zesr5ZextraZexZfunrrrÚdecorateäs rxc Cs|dk rt||ƒSdf}}tj|ƒrB|jjƒ}d|j|jf}n~tj|ƒr¬|jdkr\d}n|j}|j}|jj}t |j pzfƒ}dj|jj|||…ƒ}|r¤|d7}|j }n|j jjƒ}|jj}t|td}tjd ||fd ||f|||j|d} |rd|| _ | S) z=decorator(caller) converts a caller function into a decoratorNrvzHdecorator(%s) converts functions/generators into factories of %s objectszrz, rG)Ú_callZ _decorate_z%s(func, %s)zhif func is None: return lambda func: _decorate_(func, _call, (%s)) return _decorate_(func, _call, (%s)))r"r$rw)N)rxrZisclassrÚlowerr%r!Ú__code__Úco_argcountÚlenr9r,Úco_varnamesÚ __class__Ú__call__r/rrqr#) rpZ_funcZdefaultargsrr r"ÚnargsZndefsr[ÚdecrrrÚ decoratorös: rƒ)Ú_GeneratorContextManager)ÚGeneratorContextManagerc@seZdZdd„ZdS)ÚContextManagercCstj|dt||d|dS)zContext manager decoratorz.with _self_: return _func_(%(shortsignature)s))Z_self_rH)rw)rrqr/)r2r3rrrr€#szContextManager.__call__N)rr#rrr€rrrrr†"sr†écOstj||||ŽƒS)N)r„r)r2Úgr4Úkrrrr-srécOstj||||ƒS)N)r„r)r2rˆr4r‰rrrr3scCst|ƒS)N)Ú_contextmanager)r3rrrÚcontextmanager:srŒcCsRd}x:t|ƒD].\}}t||ƒr&d}Pt||ƒr|||<d}qW|rN|j|ƒdS)z_ Append ``a`` to the list of the virtual ancestors, unless it is already included. TFN)r)Ú issubclassr+)r4Ú vancestorsÚaddÚjÚvarrrr+As r+cs@ddjˆƒ‰tjdf‡fdd„ ‰‡‡‡fdd„}dˆ|_|S) zr Factory of decorators turning a function into a generic function dispatching on the given arguments. z(%s,)z, rvcs0|t|ƒtˆƒƒr,tdtˆƒt|ƒ|fƒ‚dS)z5Make sure one passes the expected number of argumentszExpected %d arguments, got %d%sN)r}r1)Z argumentsZwrongÚmsg)Ú dispatch_argsrrÚcheck[szdispatch_on..checkcsœttˆƒjƒ}tˆƒ|ks&tdˆƒ‚i‰‡‡‡fdd„‰‡‡fdd„‰‡‡fdd„}‡‡fdd „}‡‡‡fd d„}tjˆdˆt|d |ˆˆˆˆ|ˆd S)z4Decorator turning a function into a generic functionzUnknown dispatch arguments %scsvˆ|ƒdd„ttˆƒƒDƒ}xHˆD]@}x:t|||ƒD]*\}}}t||ƒr6||jƒkr6t||ƒq6Wq$Wdd„|DƒS)zU Get a list of sets of virtual ancestors for the given types cSsg|]}g‘qSrr)rEÚ_rrrrFpszIdispatch_on..gen_func_dec..vancestors..cSsg|]}t|ƒ‘qSr)rQ)rEÚrarrrrFus)Úranger}ÚziprÚmror+)ÚtypesZrasÚtypes_ÚtZtype_r–)r”r“ÚtypemaprrrŽks z5dispatch_on..gen_func_dec..vancestorscs”ˆ|ƒg}x‚t|ˆ|ŽƒD]p\}}t|ƒ}|dkrFtd||fƒ‚n4|dkrr|\}td||fiƒjƒdd…}n|jƒ}|j|dd…ƒqW|S)zG Get a list of virtual MROs, one for each type rCzAmbiguous dispatch for %s: %srœNri)r˜r}ÚRuntimeErrorÚtyper™r+)ršZlistsrœZvasZn_vasr‘r™)r”rŽrrÚ ancestorswsz4dispatch_on..gen_func_dec..ancestorscsˆˆƒ‡‡‡fdd„}|S)zU Decorator to register an implementation for the given types cs&ˆt|ƒjtjd|jƒ|ˆˆ<|S)Nz in )rrÚoperatorÚltr)r)r”rršrrr‚sz@dispatch_on..gen_func_dec..register..decr)ršr‚)r”r)ršrÚregisterŠsz3dispatch_on..gen_func_dec..registercs@ˆ|ƒg}x.tjˆ|ŽŽD]}|jtdd„|DƒƒƒqW|S)zI An utility to introspect the dispatch algorithm css|]}|jVqdS)N)r)rEr4rrrrgszKdispatch_on..gen_func_dec..dispatch_info..)rsÚproductr+Útuple)ršZlstZanc)r r”rrÚ dispatch_info–s z8dispatch_on..gen_func_dec..dispatch_infocsˆtdd„|Dƒƒ}yˆ|}Wntk r2YnX|||ŽStjˆ|ŽŽ}t|ƒx(|D] }ˆj|ƒ}|dk rZ|||ŽSqZWˆ||ŽS)Ncss|]}t|ƒVqdS)N)rŸ)rEr6rrrrg¡szGdispatch_on..gen_func_dec.._dispatch..)r¥ÚKeyErrorrsr¤rUr?)r“rrAršrÚcombinationsr›)r r3rrrÚ _dispatch s z4dispatch_on..gen_func_dec.._dispatchz#return _f_(%s, %%(shortsignature)s))Z_f_)r£ÚdefaultrrŽr r¦rw)rQrrrSrrqr/)r3Zargsetr£r¦r©)r”r“Údispatch_str)r r3rrŽrÚgen_func_decas z!dispatch_on..gen_func_decÚdispatch_on)r,r¡Úner)r“r¬r)r”r“r«rrSs W r)N)(r!Z __future__rÚrer;rr¡rsÚcollectionsÚ__version__Úversionrr Ú namedtupler rr=rr rWrMÚobjectrrxrƒÚ contextlibr„ÚImportErrorr…r†rZinitr}rZn_argsrr‹rŒr+rrrrrÚ!s\ &