ó î%![c@svddlZddlmZddlmZddlmZddlmZddlmZdefd„ƒYZ dS( iÿÿÿÿN(tbases(tcontext(t exceptions(tnodes(tutiltCallSitecBsYeZdZd„Zed„ƒZd„Zd„Zd„Ze d„ƒZ d„Z RS(sSClass for understanding arguments passed into a call site It needs a call context, which contains the arguments and the keyword arguments that were passed into a given call site. In order to infer what an argument represents, call :meth:`infer_argument` with the corresponding function node and the argument name. cCs|j}|j}tƒ|_|j|ƒ|_|j|ƒ|_g|jD]}|tj k rL|^qL|_ d„|jj ƒDƒ|_ dS(NcSs.i|]$\}}|tjk r||“qS((Rt Uninferable(t.0tkeytvalue((s0lib/python2.7/site-packages/astroid/arguments.pys (s ( targstkeywordstsettduplicated_keywordst _unpack_argst_unpacked_argst_unpack_keywordst_unpacked_kwargsRRtpositional_argumentstitemstkeyword_arguments(tselft callcontextR R targ((s0lib/python2.7/site-packages/astroid/arguments.pyt__init__s   cCs"tj|j|jƒ}||ƒS(s/Get a CallSite object from the given Call node.(t contextmodt CallContextR R (tclst call_nodeR((s0lib/python2.7/site-packages/astroid/arguments.pyt from_call,s  cCst|jƒt|jƒkS(snCheck if in the current CallSite were passed *invalid* arguments This can mean multiple things. For instance, if an unpacking of an invalid object was passed, then this method will return True. Other cases can be when the arguments can't be inferred by astroid, for example, by passing objects which aren't known statically. (tlenRR(R((s0lib/python2.7/site-packages/astroid/arguments.pythas_invalid_arguments3scCst|jƒt|jƒkS(sfCheck if in the current CallSite were passed *invalid* keyword arguments For instance, unpacking a dictionary with integer keys is invalid (**{1:2}), because the keys must be strings, which will make this method to return True. Other cases where this might return True if objects which can't be inferred were passed. (RRR(R((s0lib/python2.7/site-packages/astroid/arguments.pythas_invalid_keywords=sc Csi}tjƒ}x„|D]|\}}|dkr‹yt|jd|ƒƒ}Wn$tjk rstj||       cCsìg}tjƒ}xÓ|D]Ë}t|tjƒr×yt|jjd|ƒƒ}Wn'tj k ry|j t j ƒqnX|t j krŸ|j t j ƒqnt |dƒsÄ|j t j ƒqn|j|jƒq|j |ƒqW|S(NRtelts(RR!R&RtStarredR#R R$RR%tappendRRthasattrtextendR1(R R,RRR.((s0lib/python2.7/site-packages/astroid/arguments.pyRns$  cs¸||jkr9tjdd|d|d|d|ƒ‚ny|j|j|ƒSWntk rdnXt|jƒt|jjƒkr¿|jj s¿tjdd|d|d|d|ƒ‚q¿n|jt|jjƒ }|jt|jjƒ}|jj |ƒd}t d„|jj Dƒƒ‰‡fd †|jj ƒDƒ}t|ƒt|jjƒkr«xH|jjD]7}|j|krm|j|jƒ} |j| ƒqmqmWn|dk ré|dkrž|jdkrž|jdk rí|j} n|jjƒ} t| tjƒr?|jjƒ} | | jƒkr?t| fƒSn|jd krt| tjƒsrtj| ƒ} nt| fƒS|jd kržt| fƒSn|jdkrº|d 8}ny|j|j|ƒSWqétk råqéXn|jj|kr¸|j ƒrCtjd d|jd|j!d|d|d|d|ƒ‚ntj"d|jj#d|jj$d|jƒ} | j%g|j ƒD]!\} }tj&| ƒ|f^qƒƒt| fƒS|jj |krY|j'ƒrtjdd|jd|j(d|d|d|d|ƒ‚ntj)d|jj#d|jj$d|jƒ}|j%|ƒt|fƒSy|jj*|ƒj|ƒSWntj+k rŒnXtjdd|d|d|d|ƒ‚dS(sïinfer a function argument value according to the call context Arguments: funcnode: The function being called. name: The name of the argument whose value is being inferred. context: TODO s:The arguments passed to {func!r} have duplicate keywords.t call_sitetfuncRRsJToo many positional arguments passed to {func!r} that does not have *args.icss|]}|jVqdS(N(R-(RR((s0lib/python2.7/site-packages/astroid/arguments.pys ¥scs+i|]!\}}|ˆkr||“qS(((RRR (t kwonlyargs(s0lib/python2.7/site-packages/astroid/arguments.pys §s tmethodt classmethodis‡Inference failed to find values for all keyword arguments to {func!r}: {unpacked_kwargs!r} doesn't correspond to {keyword_arguments!r}.Rtunpacked_kwargstlinenot col_offsettparents‹Inference failed to find values for all positional arguments to {func!r}: {unpacked_args!r} doesn't correspond to {positional_arguments!r}.Rt unpacked_argss.No value found for argument {name} to {func!r}N(R9R:(R9R:(,R RR%RR$tKeyErrorRRR tvarargt find_argnameR R8RR-tpopR3R"ttypet boundnodeR>tframeR&RtClassDeftscopet metaclasstiterRtInstancet IndexErrortkwargR RR'R<R=tpostinitt const_factoryRRtTuplet default_valuet NoDefault(RtfuncnodeR-Rt positionalRAtargindextkwargstfunc_argRREt method_scopeRMRR R ((R8s0lib/python2.7/site-packages/astroid/arguments.pytinfer_argument…s˜   !              2         ( t__name__t __module__t__doc__RR:RRR Rt staticmethodRRY(((s0lib/python2.7/site-packages/astroid/arguments.pyRs  '( R)tastroidRRRRRRtobjectR(((s0lib/python2.7/site-packages/astroid/arguments.pyts