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A dict is returned, with keys the function argument names (including the names of the * and ** arguments, if any), and values the respective bound values from 'positional' and 'named'.rrNz*%s() got an unexpected keyword argument %rz(%s() got multiple values for argument %rTF)rrrrrsrrrarKrArrUrSrC)Zfunc_and_positionalZnamedrvrMrHrrr rr rrrOZ arg2valueZnum_posZnum_argsZ num_defaultsnrZpossible_kwargskwrEZreqr@rQkwargr r r getcallargs!sd                 rY ClosureVarsz"nonlocals globals builtins unboundc Cst|r|j}t|s$tdj||j}|jdkr:i}nddt|j|jD}|j }|j dt j }t |rt|j }i}i}t}xn|jD]d}|d krqy||||<Wqtk ry||||<Wntk r|j|YnXYqXqWt||||S) a Get the mapping of free variables to their current values. Returns a named tuple of dicts mapping the current nonlocal, global and builtin references as seen by the body of the function. A final set of unbound names that could not be resolved is also provided. z'{!r}' is not a Python functionNcSsi|]\}}|j|qSr ) cell_contents)rZZvarZcellr r r vsz"getclosurevars.. __builtins__NoneTrueFalse)r^r_r`)rrrrrur! __closure__zip co_freevars __globals__rrr@rrKco_namesKeyErrorrPrZ) rvcodeZ nonlocal_varsZ global_nsZ builtin_nsZ global_varsZ builtin_varsZ unbound_namesrDr r rgetclosurevarsas8   rh Tracebackz+filename lineno function code_context indexcCst|r|j}|j}n|j}t|s2tdj|t|p@t|}|dkr|d|d}yt |\}}Wnt k rd}}YqXt dt |t ||}||||}|d|}nd}}t|||jj||S)aGet information about a frame or traceback object. A tuple of five things is returned: the filename, the line number of the current line, the function name, a list of lines of context from the source code, and the index of the current line within that list. 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N)rBrOr _NonUserDefinedCallables)r[Z method_namemethr r r"_signature_get_user_defined_methods  rcCs|j}t|j}|jpf}|jp$i}|r2||}y|j||}Wn6tk rx}zdj|} t| |WYdd}~XnXd} x|jD] \} } y|j | } Wnt k rYnlX| j t kr|j | q| j tkr| |krd} | j| d|| <n|j | jq| j tkr"| j| d|| <| r| j t k s6t| j tkrf|| jtd}||| <|j| q| j ttfkr|j| q| j tkr|j | jqW|j|jdS)zPrivate helper to calculate how 'wrapped_sig' signature will look like after applying a 'functools.partial' object (or alike) on it. z+partial object {!r} has incorrect argumentsNFT)r*)ri)r&)r&rrArkeywords bind_partialrrurt argumentsrfrir(rr)r9rDr,AssertionError move_to_endr-r+r') wrapped_sigpartialZ extra_argsZ old_params new_paramsZ partial_argsZpartial_keywordsZbar0rTZtransform_to_kwonly param_namer3Z arg_valueZ new_paramr r r_signature_get_partialsN              rcCsnt|jj}| s&|djttfkr.td|dj}|ttfkrR|dd}n|t k rbtd|j |dS)zWPrivate helper to transform signatures for unbound functions to bound methods. rzinvalid method signaturerNzinvalid argument type)r&) rar&r'rir-r,rtr)r(r+r9)r/paramsrir r r_signature_bound_methods  rcCs&t|p$t|p$t|tp$|ttfkS)zxPrivate helper to test if `obj` is a callable that might support Argument Clinic's __text_signature__ protocol. )r8rr rrr )rhr r r_signature_is_builtins rcCst| st|rdSt|dd}t|dd}t|dt}t|dt}t|dd}t|tjot|to|dkszt|to|dkst|t ot|t S)zPrivate helper to test if `obj` is a duck type of FunctionType. 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Possible values: `Parameter.POSITIONAL_ONLY`, `Parameter.POSITIONAL_OR_KEYWORD`, `Parameter.VAR_POSITIONAL`, `Parameter.KEYWORD_ONLY`, `Parameter.VAR_KEYWORD`. _name_kind_default _annotation)r*r.c Cs"yt||_Wn$tk r2td|dYnX|tk rf|jttfkrfd}|jt|j}t|||_||_ |tkrtdt |t sdjt |j }t||ddko|ddjr|jtkrd }|jt|j}t|t|_d j|dd}|jstd j|||_dS) Nzvalue z is not a valid Parameter.kindz({} parameters cannot have default valuesz*name is a required attribute for Parameterzname must be a str, not a {}rr}rzLimplicit arguments must be passed as positional or keyword arguments, not {}z implicit{}z"{!r} is not a valid parameter name)rrrtrr+r-ru_get_paramkind_descrrrr rrrrisdigitr)r( isidentifierr)rrDrir*r.rTr r rr s4   zParameter.__init__cCs t||j|jf|j|jdfS)N)rr)rrrrr)rr r r __reduce__ s zParameter.__reduce__cCs|d|_|d|_dS)Nrr)rr)rstater r r __setstate__ s zParameter.__setstate__cCs|jS)N)r)rr r rrD szParameter.namecCs|jS)N)r)rr r rr* szParameter.defaultcCs|jS)N)r)rr r rr. szParameter.annotationcCs|jS)N)r)rr r rri szParameter.kind)rDrir.r*cCsL|tkr|j}|tkr|j}|tkr*|j}|tkr8|j}t|||||dS)z+Creates a customized copy of the Parameter.)r*r.)rrrrrr)rrDrir.r*r r rr9 szParameter.replacecCsj|j}|j}|jtk r(dj|t|j}|jtk rDdj|t|j}|tkrVd|}n|t krfd|}|S)Nz{}:{}z{}={}r=z**) rirrrrur:rr8r+r-)rri formattedr r rr s    zParameter.__str__cCsdj|jj|S)Nz <{} "{}">)rurr)rr r r__repr__ szParameter.__repr__cCst|j|j|j|jfS)N)hashrDrir.r*)rr r r__hash__ szParameter.__hash__cCsJ||kr dSt|tstS|j|jkoH|j|jkoH|j|jkoH|j|jkS)NT)r rNotImplementedrrrr)rotherr r r__eq__ s    zParameter.__eq__N)rrrr)rrrr __slots__r(rr)rr+rr,rr-rrr%rrr r^rDr*r.rirr9rr rrr r r rrt s*(    rc@sheZdZdZdZddZeddZed d Zed d Z d dZ ddZ ddZ ddZ ddZdS)BoundArgumentsaResult of `Signature.bind` call. Holds the mapping of arguments to the function's parameters. Has the following public attributes: * arguments : OrderedDict An ordered mutable mapping of parameters' names to arguments' values. Does not contain arguments' default values. * signature : Signature The Signature object that created this instance. * args : tuple Tuple of positional arguments values. * kwargs : dict Dict of keyword arguments values. r _signature __weakref__cCs||_||_dS)N)rr)rrrr r rr szBoundArguments.__init__cCs|jS)N)r)rr r rr# szBoundArguments.signaturec Cs|g}xn|jjjD]^\}}|jttfkr*Py|j|}Wntk rNPYqX|jtkrf|j |q|j |qWt |S)N) rr&rArir-r,rrfr+extendrNra)rrrr3r@r r rr' s  zBoundArguments.argsc Csi}d}x|jjjD]x\}}|sF|jttfkr6d}n||jkrFd}q|sLqy|j|}Wntk rnYqX|jtkr|j|q|||<qW|S)NFT) rr&rArir-r,rrfupdate)rkwargsZkwargs_startedrr3r@r r rr> s&    zBoundArguments.kwargsc Cs|j}g}x|jjjD]v\}}y|j|||fWqtk r|jtk rX|j}n"|jt krhf}n|jt krxi}nw|j||fYqXqWt ||_dS)zSet default values for missing arguments. 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