4\c@sdZddlZddlZddlZddlZddlZddlZddlZddlZddl Z ddl Z ddl m Z e j dRkZe j dSkZe j dTkZe j dUkZye jeZWnek reZnXeeerd nd Zer%e jZn e j ZerId Zd Znd ZdZeZersdZ n dZ erej!ej"fZ#ej$ej!ej"fZ%nej!fZ#ej$ej!fZ%ej&dZ'ej&e'j(dZ)ej&dZ*de+fdYZ,dZ-de,dZ/dZ0dZ1de2fdYZ3de3fdYZ4de4fdYZ5d e2fd!YZ6d"e2fd#YZ7d$e4fd%YZ8d&e8fd'YZ9d(e8fd)YZ:d*e8fd+YZ;d,e:fd-YZ<d.e3fd/YZ=d0e3fd1YZ>d2e4fd3YZ?d4e4fd5YZ@d6e3fd7YZAd8e+fd9YZBd:eBfd;YZCd<eBfd=YZDd>eBfd?YZEd@eBfdAYZFdBeFfdCYZGdDe2fdEYZHdFdGdHgZIerMeIjJdIndJZKdKZLdLZMdMejNfdNYZOdOZPdPe2fdQYZQdS(Vs] Main module. Implement the central Checker class. Also, it models the Bindings and Scopes. iN(tmessagesiiiiit __builtin__tbuiltinscCstt|jjS(N(tstrtunicodet__name__tupper(t node_class((s/lib/python2.7/site-packages/pyflakes/checker.pyt getNodeType&scCs|jS(N(ttype(tnode((s/lib/python2.7/site-packages/pyflakes/checker.pytget_raise_argument*scCs |jjS(N(RR(R((s/lib/python2.7/site-packages/pyflakes/checker.pyR.scCs|jS(N(texc(R ((s/lib/python2.7/site-packages/pyflakes/checker.pyR 1scCsit|tjtjfr%|jgSt|tjre|j|jgg|jD]}|g^qQSdS(N(t isinstancetasttIft TryFinallytbodyt TryExcepttorelsethandlers(tnthdl((s/lib/python2.7/site-packages/pyflakes/checker.pytgetAlternatives9s cCs`t|tjr|jgSt|tjr\|j|jgg|jD]}|g^qHSdS(N(R RRRtTryRR(RR((s/lib/python2.7/site-packages/pyflakes/checker.pyR?s s ^#\s*type:\s*signore\s*(#|$)s^(\(.*?\))\s*->\s*(.*)$t _FieldsOrdercBs eZdZdZdZRS(sFix order of AST node fields.cCs^|j}d|kr!dj}n!d|kr9dj}n dj}tt|d|dtS(Ntitert generatorstvaluetkeytreverse(t_fieldstfindttupletsortedtTrue(tselfRtfieldst key_first((s/lib/python2.7/site-packages/pyflakes/checker.pyt _get_fieldsWs      cCs|j|||<}|S(N(R'(R$RR%((s/lib/python2.7/site-packages/pyflakes/checker.pyt __missing__bs(Rt __module__t__doc__R'R((((s/lib/python2.7/site-packages/pyflakes/checker.pyRTs cCs5i}x(|D] }|j|dd||sR.R#tFalseR2(R RtStrtsthasattrR:tTupleR!teltstNumRtNamet VariableKeyR#R>R2R+R7tPY2t NameConstantRtUnhandledKeyType(R.tresulttconstants_lookup((s/lib/python2.7/site-packages/pyflakes/checker.pyR;s(! cCs"t|tjo!t|dkS(NtNotImplemented(R RREt getNodeName(R ((s/lib/python2.7/site-packages/pyflakes/checker.pytis_notimplemented_name_nodestBindingcBs2eZdZdZdZdZdZRS(sr Represents the binding of a value to a name. The checker uses this to keep track of which names have been bound and which names have not. See L{Assignment} for a special type of binding that is checked with stricter rules. @ivar used: pair of (L{Scope}, node) indicating the scope and the node that this binding was last used. cCs||_||_t|_dS(N(R7tsourceR>tused(R$R7RP((s/lib/python2.7/site-packages/pyflakes/checker.pyt__init__s  cCs|jS(N(R7(R$((s/lib/python2.7/site-packages/pyflakes/checker.pyt__str__scCs)d|jj|j|jjt|fS(Ns#<%s object %r from line %r at 0x%x>(R0RR7RPtlinenotid(R$((s/lib/python2.7/site-packages/pyflakes/checker.pyt__repr__s  cCst|to|j|jkS(N(R t DefinitionR7(R$tother((s/lib/python2.7/site-packages/pyflakes/checker.pyt redefiness(RR)R*RRRSRVRY(((s/lib/python2.7/site-packages/pyflakes/checker.pyROs     RWcBseZdZRS(s7 A binding that defines a function or a class. (RR)R*(((s/lib/python2.7/site-packages/pyflakes/checker.pyRWstBuiltincBs eZdZdZdZRS(s-A definition created for all Python builtins.cCstt|j|ddS(N(tsuperRZRRR2(R$R7((s/lib/python2.7/site-packages/pyflakes/checker.pyRRscCs d|jj|jt|fS(Ns<%s object %r at 0x%x>(R0RR7RU(R$((s/lib/python2.7/site-packages/pyflakes/checker.pyRVs (RR)R*RRRV(((s/lib/python2.7/site-packages/pyflakes/checker.pyRZs RIcBseZdZRS(sS A dictionary key of a type that we cannot or do not check for duplicates. (RR)R*(((s/lib/python2.7/site-packages/pyflakes/checker.pyRIsRFcBs)eZdZdZdZdZRS(sY A dictionary key which is a variable. @ivar item: The variable AST object. cCs|j|_dS(N(RUR7(R$R.((s/lib/python2.7/site-packages/pyflakes/checker.pyRRscCs"|j|jko!|j|jkS(N(R0R7(R$tcompare((s/lib/python2.7/site-packages/pyflakes/checker.pyt__eq__scCs t|jS(N(thashR7(R$((s/lib/python2.7/site-packages/pyflakes/checker.pyt__hash__s(RR)R*RRR]R_(((s/lib/python2.7/site-packages/pyflakes/checker.pyRFs  t ImportationcBsDeZdZddZdZdZedZdZ RS(s A binding created by an import statement. @ivar fullName: The complete name given to the import statement, possibly including multiple dotted components. @type fullName: C{str} cCs5|p ||_g|_tt|j||dS(N(tfullNamet redefinedR[R`RR(R$R7RPt full_name((s/lib/python2.7/site-packages/pyflakes/checker.pyRRs cCs>t|tr|j|jkSt|to=|j|jkS(N(R tSubmoduleImportationRaRWR7(R$RX((s/lib/python2.7/site-packages/pyflakes/checker.pyRYscCs|jjdd|jk S(s.Return whether importation needs an as clause.t.i(RatsplitR7(R$((s/lib/python2.7/site-packages/pyflakes/checker.pyt _has_aliasscCs/|jr d|j|jfSd|jSdS(s5Generate a source statement equivalent to the import.simport %s as %ss import %sN(RgRaR7(R$((s/lib/python2.7/site-packages/pyflakes/checker.pytsource_statements cCs)|jr|jd|jS|jSdS(s#Return import full name with alias.s as N(RgRaR7(R$((s/lib/python2.7/site-packages/pyflakes/checker.pyRSs N( RR)R*R2RRRYRgtpropertyRhRS(((s/lib/python2.7/site-packages/pyflakes/checker.pyR`s    RdcBs8eZdZdZdZdZedZRS(s A binding created by a submodule import statement. A submodule import is a special case where the root module is implicitly imported, without an 'as' clause, and the submodule is also imported. Python does not restrict which attributes of the root module may be used. This class is only used when the submodule import is without an 'as' clause. pyflakes handles this case by registering the root module name in the scope, allowing any attribute of the root module to be accessed. RedefinedWhileUnused is suppressed in `redefines` unless the submodule name is also the same, to avoid false positives. cCsdd|kr%| s+t|tjs+t|jdd}tt|j||||_dS(NRei( R RtImporttAssertionErrorRfR[RdRRRa(R$R7RPt package_name((s/lib/python2.7/site-packages/pyflakes/checker.pyRR)s+cCs5t|tr|j|jkStt|j|S(N(R R`RaR[RdRY(R$RX((s/lib/python2.7/site-packages/pyflakes/checker.pyRY0scCs|jS(N(Ra(R$((s/lib/python2.7/site-packages/pyflakes/checker.pyRS5scCs d|jS(Nsimport (Ra(R$((s/lib/python2.7/site-packages/pyflakes/checker.pyRh8s(RR)R*RRRYRSRiRh(((s/lib/python2.7/site-packages/pyflakes/checker.pyRds    tImportationFromcBs,eZddZdZedZRS(cCsh||_|p||_|jdr7||j}n|d|j}tt|j|||dS(NRe(tmodulet real_nametendswithR[RmRR(R$R7RPRnRoRc((s/lib/python2.7/site-packages/pyflakes/checker.pyRR?s  cCs/|j|jkr$|jd|jS|jSdS(s#Return import full name with alias.s as N(RoR7Ra(R$((s/lib/python2.7/site-packages/pyflakes/checker.pyRSJscCsD|j|jkr,d|j|j|jfSd|j|jfSdS(Nsfrom %s import %s as %ssfrom %s import %s(RoR7Rn(R$((s/lib/python2.7/site-packages/pyflakes/checker.pyRhQs   N(RR)R2RRRSRiRh(((s/lib/python2.7/site-packages/pyflakes/checker.pyRm=s tStarImportationcBs/eZdZdZedZdZRS(s3A binding created by a 'from x import *' statement.cCs3tt|jd||d|_||_dS(Nt*s.*(R[RqRRR7Ra(R$R7RP((s/lib/python2.7/site-packages/pyflakes/checker.pyRR^s cCsd|jdS(Nsfrom s import *(Ra(R$((s/lib/python2.7/site-packages/pyflakes/checker.pyRhescCs$|jjdr|jS|jSdS(NRe(RaRpRhR7(R$((s/lib/python2.7/site-packages/pyflakes/checker.pyRSis(RR)R*RRRiRhRS(((s/lib/python2.7/site-packages/pyflakes/checker.pyRq[s tFutureImportationcBseZdZdZRS(ss A binding created by a from `__future__` import statement. `__future__` imports are implicitly used. cCs/tt|j||d||f|_dS(Nt __future__(R[RsRRRQ(R$R7RPtscope((s/lib/python2.7/site-packages/pyflakes/checker.pyRRxs(RR)R*RR(((s/lib/python2.7/site-packages/pyflakes/checker.pyRsqstArgumentcBseZdZRS(s3 Represents binding a name as an argument. (RR)R*(((s/lib/python2.7/site-packages/pyflakes/checker.pyRv}st AssignmentcBseZdZRS(s Represents binding a name with an explicit assignment. The checker will raise warnings for any Assignment that isn't used. Also, the checker does not consider assignments in tuple/list unpacking to be Assignments, rather it treats them as simple Bindings. (RR)R*(((s/lib/python2.7/site-packages/pyflakes/checker.pyRwstFunctionDefinitioncBseZRS((RR)(((s/lib/python2.7/site-packages/pyflakes/checker.pyRxstClassDefinitioncBseZRS((RR)(((s/lib/python2.7/site-packages/pyflakes/checker.pyRyst ExportBindingcBseZdZdZRS(s A binding created by an C{__all__} assignment. If the names in the list can be determined statically, they will be treated as names for export and additional checking applied to them. The only recognized C{__all__} assignment via list concatenation is in the following format: __all__ = ['a'] + ['b'] + ['c'] Names which are imported and not otherwise used but appear in the value of C{__all__} will not have an unused import warning reported for them. cs/d|kr7t|tjr7t|dj_n g_fd}t|jtjtjfr}||jnt|jtjr|j}xtt|j tjr|j }|j }||t|tjr|}qt|tjr ||PqPqWnt t j ||dS(Nt__all__cs@x9|jD].}t|tjr jj|jq q WdS(N(RCR RR?tnamestappendR@(t containerR (R$(s/lib/python2.7/site-packages/pyflakes/checker.pyt _add_to_namess(R Rt AugAssignR4R|RtListRBtBinOptrighttleftR[RzRR(R$R7RPRuRt currentValueRR((R$s/lib/python2.7/site-packages/pyflakes/checker.pyRRs&       (RR)R*RR(((s/lib/python2.7/site-packages/pyflakes/checker.pyRzs tScopecBseZeZdZRS(cCs,|jj}d|t|tj|fS(Ns<%s at 0x%x %s>(R0RRUtdictRV(R$t scope_cls((s/lib/python2.7/site-packages/pyflakes/checker.pyRVs (RR)R>t importStarredRV(((s/lib/python2.7/site-packages/pyflakes/checker.pyRst ClassScopecBseZRS((RR)(((s/lib/python2.7/site-packages/pyflakes/checker.pyRst FunctionScopecBs5eZdZeZdddhZdZdZRS(sp I represent a name scope for a function. @ivar globals: Names declared 'global' in this function. t__tracebackhide__t__traceback_info__t__traceback_supplement__cCs;tt|j|jj|_d|_t|_ dS(N( R[RRRt alwaysUsedtcopytglobalsR2t returnValueR>t isGenerator(R$((s/lib/python2.7/site-packages/pyflakes/checker.pyRRs ccsmxf|jD]X\}}|j r |dkr ||jkr |j r t|tr ||fVq q WdS(sR Return a generator for the assignments which have not been used. t_N(R,RQRt usesLocalsR Rw(R$R7tbinding((s/lib/python2.7/site-packages/pyflakes/checker.pytunusedAssignmentss   (RR)R*R>RRRRR(((s/lib/python2.7/site-packages/pyflakes/checker.pyRs   tGeneratorScopecBseZRS((RR)(((s/lib/python2.7/site-packages/pyflakes/checker.pyRst ModuleScopecBseZdZeZeZRS(sScope for a module.(RR)R*R#t_futures_allowedR>t_annotations_future_enabled(((s/lib/python2.7/site-packages/pyflakes/checker.pyRst DoctestScopecBseZdZRS(sScope for a doctest.(RR)R*(((s/lib/python2.7/site-packages/pyflakes/checker.pyRst DummyNodecBseZdZdZRS(s<Used in place of an `ast.AST` to set error message positionscCs||_||_dS(N(RTt col_offset(R$RTR((s/lib/python2.7/site-packages/pyflakes/checker.pyRRs (RR)R*RR(((s/lib/python2.7/site-packages/pyflakes/checker.pyRst__file__t __builtins__t WindowsErrort__annotations__cCs0t|dr|jSt|dr,|jSdS(NRUR7(RARUR7(R ((s/lib/python2.7/site-packages/pyflakes/checker.pyRM scsPfd}t|jtjoOt|jjdkoO||jjdS(Ncst|tjrM|jkrMt|jtrM|jjdkpt|tjot|jtjo|jjdko|jdkS(Nstyping.overloadttypingtoverload( R RRERURmRat AttributeRtattr(R (Ru(s/lib/python2.7/site-packages/pyflakes/checker.pytis_typing_overload_decoratorsii(R RPRt FunctionDeftlentdecorator_list(RRuR((Rus/lib/python2.7/site-packages/pyflakes/checker.pytis_typing_overloadscsOt|ts!|jd}nt|jtttfdS(NsUTF-8cs tdS(Nt(tnext((tlines(s/lib/python2.7/site-packages/pyflakes/checker.pyt2s(R tbytestencodeRt splitlinesR#R!ttokenize_tokenize(tcode((Rs/lib/python2.7/site-packages/pyflakes/checker.pyt make_tokens,st_TypeableVisitorcBs@eZdZdZdZeZZZZeZ Z Z RS(sCollect the line number and nodes which are deemed typeable by PEP 484 https://www.python.org/dev/peps/pep-0484/#type-comments cCsg|_i|_dS(N(ttypeable_linesttypeable_nodes(R$((s/lib/python2.7/site-packages/pyflakes/checker.pyRR;s cCs4|jj|j||j|j<|j|dS(N(RR}RTRt generic_visit(R$R ((s/lib/python2.7/site-packages/pyflakes/checker.pyt _typeable?s( RR)R*RRRt visit_Assignt visit_Fortvisit_FunctionDeft visit_Withtvisit_AsyncFortvisit_AsyncFunctionDeftvisit_AsyncWith(((s/lib/python2.7/site-packages/pyflakes/checker.pyR5s   c Cst}|j|tjt}x|D]\}}}}}|tjks,tj| s,t j|ruq,n|\}}t j |j |} | dkrq,n|j |j | d} || j||fq,W|S(Nii(Rtvisitt collectionst defaultdictR4ttokenizetCOMMENTtTYPE_COMMENT_REtmatchtTYPE_IGNORE_REtbisectt bisect_rightRRR}( ttreettokenstvisitort type_commentsttpttexttstartRRTtidxR ((s/lib/python2.7/site-packages/pyflakes/checker.pyt_collect_type_commentsJs    tCheckercBseZdZieej6eej6eej 6eej 6e ej 6e ej 6e ej6e ej6Zer{efeejd"Z?d#Z@d$ZAeBjCjDZEd%ZFd&ZGd'ZHd(ZIe=ZJZKZLZMZNZOZPZQZRZSZTZUZVZWeIZXe=ZYZZZ[Z\Z]Z^Z_Z`ZaZbZceIZdZeZfZgZhe=ZiZjZkeIZlZmZnZoZpZqeIZrZsZtZuZvZwZxZyZzZ{Z|Z}Z~ZZZZZZZZZZZZZZZZd)Ze=ZZZZd*Zd+Zd,ZeZd-Zere=neZeZZd.Zd/ZeZd0Zd1ZeZZd2ZeZd3Zd4Zd5Zd6Zd7Zd8ZeZd9Zd:Zd;ZeZd<Zd=Zd>ZRS(As I check the cleanliness and sanity of Python code. @ivar _deferredFunctions: Tracking list used by L{deferFunction}. Elements of the list are two-tuples. The first element is the callable passed to L{deferFunction}. The second element is a copy of the scope stack at the time L{deferFunction} was called. @ivar _deferredAssignments: Similar to C{_deferredFunctions}, but for callables which are deferred assignment checks. itPYFLAKES_BUILTINSt,s(none)tPYFLAKES_DOCTESTcCsSi|_g|_g|_g|_g|_||_|rT|jj||_n||_y t j t |g|_ Wn!t k rtd|nXdg|_||_t|||_x'|jD]}|jdt|qW|j||j|jd|_|j|jd|_|j d3|j|jdS(Ns$No scope implemented for the node %ri((t _nodeHandlerst_deferredFunctionst_deferredAssignmentst deadScopesRtfilenametbuiltInstuniont withDoctestRt_ast_node_scopeR t scopeStacktKeyErrort RuntimeErrortexceptHandlerstrootRt_type_commentst addBindingR2RZthandleChildrent runDeferredtpopScopetcheckDeadScopes(R$RRRRt file_tokenstbuiltin((s/lib/python2.7/site-packages/pyflakes/checker.pyRRs4                cCs$|jj||j|jfdS(s{ Schedule a function handler to be called just before completion. This is used for handling function bodies, which must be deferred because code later in the file might modify the global scope. When `callable` is called, the scope at the time this is called will be restored, however it will contain any new bindings added to it. N(RR}Rtoffset(R$tcallable((s/lib/python2.7/site-packages/pyflakes/checker.pyt deferFunctions cCs$|jj||j|jfdS(sl Schedule an assignment handler to be called just after deferred function handlers. N(RR}RR(R$R((s/lib/python2.7/site-packages/pyflakes/checker.pytdeferAssignmentscCs7x0|D](\}}}||_||_|qWdS(sV Run the callables in C{deferred} using their associated scope stack. N(RR(R$tdeferredthandlerRuR((s/lib/python2.7/site-packages/pyflakes/checker.pyRs  cCs)t|jdko(t|jdtS(Nii(RRR R(R$((s/lib/python2.7/site-packages/pyflakes/checker.pyt _in_doctestscCs'td|jDstS|jjS(Ncss|]}t|tVqdS(N(R R(R<Ru((s/lib/python2.7/site-packages/pyflakes/checker.pys s(tallRR>RuR(R$((s/lib/python2.7/site-packages/pyflakes/checker.pytfuturesAlloweds cCs7|tkstt|jtr3t|j_ndS(N(R>RkR RuRR(R$R((s/lib/python2.7/site-packages/pyflakes/checker.pyRscCs'|jd}t|ts tS|jS(Ni(RR RR>R(R$Ru((s/lib/python2.7/site-packages/pyflakes/checker.pytannotationsFutureEnableds cCs:|tkstt|jts*tt|j_dS(N(R#RkR RuRR(R$R((s/lib/python2.7/site-packages/pyflakes/checker.pyRscCs |jdS(Ni(R(R$((s/lib/python2.7/site-packages/pyflakes/checker.pyRuscCs|jj|jjdS(N(RR}Rtpop(R$((s/lib/python2.7/site-packages/pyflakes/checker.pyRsc Cs]xV|jD]K}t|tr%q n|jd}|rSt|t rSd}n|rzt|j}|j|}n g}}|r}|j rt j j |j dkrx.|D]#}|jtj|dj|qWn|j r}g}x?|jD]1}t|tr||_|j|jqqWdjt|}x1|D]&}|jtj|dj||qMWq}nx|jD]}t|tr|jp|j|k} | stj} |j| |jt|nxi|jD][} t|j| t rtj!} n| r%qn tj"} |j| | |j|jqWqqWq WdS(s Look at scopes which have been fully examined and report names in them which were imported but unused. R{s __init__.pys, N(#RR RR+RzR2tsetR|t differenceRtostpathtbasenameRtreportRtUndefinedExportRPtvaluesRqRQR}RatjoinR"tImportStarUsageR`R7t UnusedImportRRbt getParentt FOR_TYPEStImportShadowedByLoopVartRedefinedWhileUnused( R$Rut all_bindingt all_namest undefinedR7t from_listRRRQtmessgR ((s/lib/python2.7/site-packages/pyflakes/checker.pyRsN            cCs|jj|dS(N(RR}(R$t scopeClass((s/lib/python2.7/site-packages/pyflakes/checker.pyt pushScope'scOs#|jj||j||dS(N(RR}R(R$t messageClasstargstkwargs((s/lib/python2.7/site-packages/pyflakes/checker.pyR*scCs>x7tr9|j}t|d rt|d r|SqWdS(NRCtctx(R#tparentRA(R$R ((s/lib/python2.7/site-packages/pyflakes/checker.pyR-s   cCs|||fks1t|do-t|d r5dS||krE|S|j|jkrm|j|j||S|j|jkr|j||j|S|j|j|j|S(NR(RAR2tdepthtgetCommonAncestorR(R$tlnodetrnodetstop((s/lib/python2.7/site-packages/pyflakes/checker.pyR4s! cCs.x'|D]}|j|||rtSqWtS(N(RR#R>(R$R t ancestorsRta((s/lib/python2.7/site-packages/pyflakes/checker.pyt descendantOfAs cCsL|}x?trG||jkr"dS|j|}t||r |Sq WdS(N(R#RR2RR (R$R t ancestor_typeR((s/lib/python2.7/site-packages/pyflakes/checker.pyt _getAncestorGs cCs|j|ttjjS(N(RR!RRtkeys(R$R ((s/lib/python2.7/site-packages/pyflakes/checker.pyt getScopeNodePscCsn|j|||j}t|}|rjx=|D]2}|j||||j|||Ar1tSq1WntS(sATrue, if lnode and rnode are located on different forks of IF/TRY(RRRRR#R>(R$RRtancestortpartsR,((s/lib/python2.7/site-packages/pyflakes/checker.pytdifferentForksSs   cCsx1|jdddD]}|j|krPqqW|j|j}|rt|t r|j||j r|j|j}t|trt|t r|j t j ||j|jq||j krt|tjr,t|j|jt tjf r,|j t j||j|jq|j r|j|r|jdksct|trt||j s|j t j||j|jqqqqt|tr|j|r|jj|qn|j|j kr|j |jj|_n||j |jR+RZRRRtoptRShiftRRtInvalidPrintSyntaxRuRQR`RgRaRRRRRqR}RR"RRRRRRt UndefinedName( R$R R7t in_generatorsRRuRRR R((s/lib/python2.7/site-packages/pyflakes/checker.pythandleNodeLoads^         'cCst|}|sdSt|jtr||jkrx|jd D]}t|ttfsfqEn||ko|||j}|rE|d|jkrE||jjkrE|jt j ||jd|||j PqEqEWn|j |}t|t tjfs&||jkr8|j| r8t||}n|dkrqt|jtrqt||j|j}nHtt|ddtjrt||j|}nt||}|j||dS(NiiiR{R(RMR RuRRRRQRRRtUndefinedLocalRPRRRR$RtisLiteralTupleUnpackingRORzR1R2tParamRvR RwR(R$R R7RuRQR'R((s/lib/python2.7/site-packages/pyflakes/checker.pythandleNodeStores. !+  csfd}t}|s%dS|r2dSt|jtrl||jjkrl|jjj|n8y|j|=Wn'tk r|jtj |nXdS(NcsZtdd}xA|rUt|tjtjtjfr@tSt|dd}qWtS(sN Return `True` if node is part of a conditional body. RN( R1R2R RRtWhiletIfExpR#R>(tcurrent(R (s/lib/python2.7/site-packages/pyflakes/checker.pyton_conditional_branchs  !( RMR RuRRtremoveRRRR0(R$R R:R7((R s/lib/python2.7/site-packages/pyflakes/checker.pythandleNodeDeletes  $ c Csx|jj|dD]\\}}}|jdddj}tj|}|r|jdjdd|jdjf}n |f}x]|D]U}tr|jdd}n|j t j |j |t ||||tjqWqWdS( Nt:iRrRis...tEllipsis((RR+Rftstript TYPE_FUNC_RERtgrouptreplaceRGRt functoolstpartialthandleStringAnnotationRRtCommentAnnotationSyntaxError(R$R RTRtcommentt func_matchR"tpart((s/lib/python2.7/site-packages/pyflakes/checker.pyt_handle_type_commentss(   cCs>|j|x*t|d|D]}|j||q WdS(NR5(RJR9t handleNode(R$RR5R ((s/lib/python2.7/site-packages/pyflakes/checker.pyR.s cCsKt|tjrGx.|j|jgD]}t|ds&tSq&WtSdS(NRC(R RtAssignttargetsRRAR>R#(R$R tchild((s/lib/python2.7/site-packages/pyflakes/checker.pyR43s cCs7t|tjp6t|tjo6t|jtjS(s} Determine if the given node is a docstring, as long as it is at the correct place in the node tree. (R RR?tExprR(R$R ((s/lib/python2.7/site-packages/pyflakes/checker.pyt isDocstring:s$cCszt|tjr|j}nt|tjs4dSts@trP|jd}n|j|j j dd}|j |fS(Nis (NN( R RRORR?R2tPYPYt PY38_PLUSRTR@tcount(R$R tdoctest_lineno((s/lib/python2.7/site-packages/pyflakes/checker.pyt getDocstringBs  cCs:|dkrdS|jr`t|dddk r`|j|jd7_|j|jd7_n|jrd|j|jjGHn|j rt |t j p|j | rt|_ n|jd7_|j|_||_z |j|j}||Wd|jd8_X|jr6d|jd|jjGHndS(NRTiis send (R2RR1RTRt traceTreet nodeDepthR0RRR Rt ImportFromRPR>RRR)(R$R RR((s/lib/python2.7/site-packages/pyflakes/checker.pyRKPs& !     c Csyt|drh|j}|j}t|drt|gg|jjD]}|j^qI}qn|j|jd\}}|o|j|}Wntt fk rdSX|sdS|j }|j dg|_ |j pd}|j t |jdtdx|D]}ytj|jd} Wn}tk rtjd} trk| j d7_ n||j| j|jd| j pdf} |jtj|| qX|d||j|d|jdf|_ |j| ||_ qW|j||_ dS( Nt docstringRiRs ii(ii(RARYRTtmaxRRURt_getDoctestExamplest ValueErrort IndexErrorRRRRRR2RZRtparseRPt SyntaxErrortsystexc_infoRQtindentRRtDoctestSyntaxErrorRR( R$R RYt node_linenotargtexamplest saved_stackt node_offsettexampleRtetposition((s/lib/python2.7/site-packages/pyflakes/checker.pythandleDoctestshsD   ,       c Csytj|}Wn%tk r:|j|||dSX|j}t|dksmt|dtj r|j|||dS|jdj}xJtj |D]9} d| j krd| j kr|| _ || _ qqW|j ||dS(NiiRTR(RR^R_RRRR RORtwalkt _attributesRTRRK( R$R@R t ref_linenotref_col_offsetterrRRtparsed_annotationt descendant((s/lib/python2.7/site-packages/pyflakes/checker.pyREs   ) csttjrIjtjjjjj t j n8j rqjfdnj dS(NcsjS(N(RK((t annotationR R$(s/lib/python2.7/site-packages/pyflakes/checker.pyRs(R RR?RRCRDRER@RTRRtForwardAnnotationSyntaxErrorRRK(R$RtR ((RtR R$s/lib/python2.7/site-packages/pyflakes/checker.pythandleAnnotations  cCsdS(N((R$R ((s/lib/python2.7/site-packages/pyflakes/checker.pytignorescCsy|j|t|}t|tjrSt|jru|jtj |qun"t|ru|jtj |ndS(N( RR R RtCallRNtfuncRRtRaiseNotImplemented(R$R Re((s/lib/python2.7/site-packages/pyflakes/checker.pytRAISEs   c sLgjD]}t|^q }t|}g|jD]\}}|dkr;|^q;}x|D]}gt|D]\}}||kry|^qy} tfd| D} td| jDrfx_| D]T} j| } t|tr|jt j | |j q|jt j | |qWqfqfW|j dS(Nic3s"|]}tj|VqdS(N(R;R(R<tindex(R (s/lib/python2.7/site-packages/pyflakes/checker.pys scss!|]\}}|dkVqdS(iN((R<RRS((s/lib/python2.7/site-packages/pyflakes/checker.pys s(RR;R/R,t enumeratetanyR RFRRtMultiValueRepeatedKeyVariableR7tMultiValueRepeatedKeyLiteralR( R$R RRt key_countsRStduplicate_keysR=ti_keyt key_indicesRt key_indextkey_node((R s/lib/python2.7/site-packages/pyflakes/checker.pytDICTs*"  1      cCsNt|jtjr=|jjgkr=|jtj|n|j|dS(N( R ttestRRBRCRRt AssertTupleR(R$R ((s/lib/python2.7/site-packages/pyflakes/checker.pytASSERTs'cCs|jrdnd}|j|}|j|k rx|jD]}t||}g|jD]2}t|tj s|jd|kr]|^q]|_|j ||||f|_ x#|j|dD]}|||WndS(s5 Keep track of globals declarations. iiN( RRRuR|RwRR R0t message_argst setdefaultRQ(R$R tglobal_scope_indext global_scopet node_namet node_valuetmRu((s/lib/python2.7/site-packages/pyflakes/checker.pytGLOBALs "cCs(|jt|j||jdS(N(RRRR(R$R ((s/lib/python2.7/site-packages/pyflakes/checker.pyt GENERATOREXP4s  cCst|jtjtjfrs|j||jdkrt|jtrt|j tj rt |j_ qnot|jtj tjtjfr|j|n;t|jtjr|j|ntd|jfdS(sV Handle occurrence of Name (which can be a load/store/delete access.) tlocalss%Got impossible expression context: %rN(R RRtLoadtAugLoadR2RURuRRRxR#RtStoretAugStoreR5R6tDelR<R(R$R ((s/lib/python2.7/site-packages/pyflakes/checker.pytNAME=s !$cCs|}xt|dr|j|}}t|trM||jkrMdSnt|tjtjfrlPnt|dr t|tjr ||j kr|j t j |dSq q Wt|tjr|j t j |n|j t j|dS(NRt finalbody(RARR t LOOP_TYPESRRRtClassDeftContinueRRRtContinueInFinallytContinueOutsideLooptBreakOutsideLoop(R$R Rtn_child((s/lib/python2.7/site-packages/pyflakes/checker.pytCONTINUEPs! cCst|jttfr/|jtj|dS|jrit|jdri|jj ri|j|j_ n|j |j|dS(NR( R RuRRRRtReturnOutsideFunctionRRARRK(R$R ((s/lib/python2.7/site-packages/pyflakes/checker.pytRETURNis  cCsRt|jttfr/|jtj|dSt|j_|j |j |dS(N( R RuRRRRtYieldOutsideFunctionR#RRKR(R$R ((s/lib/python2.7/site-packages/pyflakes/checker.pytYIELDvs  csx!jD]}j|q Wjjtjjrj rtj t  rj fdndS(Ncs jS(N(Rl((R R$(s/lib/python2.7/site-packages/pyflakes/checker.pyRs( RRKtLAMBDARRxR7RRR RuRR(R$R tdeco((R R$s/lib/python2.7/site-packages/pyflakes/checker.pyt FUNCTIONDEFs   c sgg}trCfdjjjj}nWx>jjjjD]&}j|j|j|jqZWjjjj}td}xdD]}t j|}|sqnjtr|n|j|rtr"|d}|jt j|q5|j|jqqW|rR|jj nt t t krxFt D]5\} }|| kr}jtj|q}q}Wnx|D]} j| qWx|D]} j| qWfd} j| dS(NcsGx@|D]8}t|tjr/|jqj|jqWdS(N(R RRBRCR}RU(targlistRe(taddArgsR(s/lib/python2.7/site-packages/pyflakes/checker.pyRs treturnstvarargtkwargRtcsljjddfd}j|tr^fd}j|njdS(NR5Rcs=x6jjD]%\}}jtj|j|qWdS(sU Check to see if any assignments have not been used. N(RuRRRtUnusedVariableRP(R7R(R$(s/lib/python2.7/site-packages/pyflakes/checker.pytcheckUnusedAssignmentsscs8jjr4jjr4jtjjjndS(s Check to see if there is any return statement with arguments but the function is a generator. N(RuRRRRtReturnWithArgsInsideGenerator((R$(s/lib/python2.7/site-packages/pyflakes/checker.pyt&checkReturnWithArgumentInsideGenerators (RRRRGR(RR(R R$(s/lib/python2.7/site-packages/pyflakes/checker.pyt runFunctions  (RR(RGRtdefaultst kwonlyargsR}ReRtt kw_defaultsRAR1RRRR}RRtDuplicateArgumentRvRKR( R$R t annotationsRRet is_py3_functarg_nametwildcardt argannotationRRttdefaultR((RRR R$s/lib/python2.7/site-packages/pyflakes/checker.pyRsB     cCs|j|ddtr{|j|}|jrP|j|t|j|n|jr{|j|t|j|q{ndS(NR5RR(RR(RRGR RRRvR(R$R t scope_node((s/lib/python2.7/site-packages/pyflakes/checker.pyt ARGUMENTSs  cCs)|j|t|j|j|dS(N(RRvReR (R$R ((s/lib/python2.7/site-packages/pyflakes/checker.pytARGscsx!jD]}j|q Wx!jD]}j|q.Wtsux$jD]}j|qXWnjtjrj rt j t  rj fdnx!j D]}j|qWjjtjdS(s Check names used in a class definition, including its decorators, base classes, and the body of its definition. Additionally, add its name to the current scope. cs jS(N(Rl((R R$(s/lib/python2.7/site-packages/pyflakes/checker.pyRsN(RRKtbasesRGtkeywordsRRRRR RuRRRRRRyR7(R$R RtbaseNodet keywordNodetstmt((R R$s/lib/python2.7/site-packages/pyflakes/checker.pytCLASSDEFs     cCs:|j|j|j|j||j|j|dS(N(R2ttargetRKR(R$R ((s/lib/python2.7/site-packages/pyflakes/checker.pyt AUGASSIGNscCst rt|jtjrt}d}x[t|jD]J\}}t|tjr8|rs|j t j |Pnt }|}q8q8W|dkst |j|ddkr|j t j|qn|j|dS(Niiiiii(RGR RRRR>R}RCtStarredRRtTwoStarredExpressionsR#Rt%TooManyExpressionsInStarredAssignmentR(R$R t has_starredtstar_locR=R((s/lib/python2.7/site-packages/pyflakes/checker.pytTUPLEs )cCs}xv|jD]k}d|jkr>|j r>t|j|}n'|jpM|j}t|||j}|j||q WdS(NRe(R|R7tasnameRdR`R(R$R taliast importationR7((s/lib/python2.7/site-packages/pyflakes/checker.pytIMPORTs cCs|jdkrM|jsV|jtj|g|jD]}|j^q1qVn t|_d|j|jpld}x4|jD])}|j p|j}|jdkrt |||j }|jt j kr|jtj||jn|jdkrt|_qn|jdkr{t rGt|j t rG|jtj||qznt|j _|jtj||t||}nt||||j}|j||qzWdS(NRtReRRRr(RnRRRtLateFutureImportR|R7R>tlevelRRsRuRttall_feature_namestFutureFeatureNotDefinedR#RRGR RtImportStarNotPermittedRtImportStarUsedRqRmR(R$R RRnRR7R((s/lib/python2.7/site-packages/pyflakes/checker.pyt IMPORTFROM&s4  )      cCs g}xt|jD]\}}t|jtjrdxL|jjD]}|jt|qDWn"|jr|jt|jn|jdkr|t |jdkr|j t j |qqW|jj|x!|jD]}|j||qW|jj|j|dddS(NiR5R(R}RR R RRBRCR}RMR2RRRtDefaultExceptNotLastRRRKRR(R$R t handler_namesR=Rtexc_typeRN((s/lib/python2.7/site-packages/pyflakes/checker.pytTRYHs ( cCsts|jdkr&|j|dS|j|jkrH|j|ny|jj|j}Wntk rzd}nX|j||j|y|jj|j}Wntk rn&X|js|j t j ||jn|r||j|jRVRt builtin_varsRt_MAGIC_GLOBALSRRtenvironR+t_customBuiltInstupdateRfRRRRRRRiRtsetterRRuRRRRRRRRR R#RR)R2R6R<RJRR4RPRURKtdoctestt DocTestParsert get_examplesR[RlRERvRwtDELETEtPRINTtFORtASYNCFORtWHILEtIFtWITHtWITHITEMt ASYNCWITHt ASYNCWITHITEMt TRYFINALLYtEXECtEXPRtASSIGNtPASStBOOLOPtBINOPtUNARYOPtIFEXPtSETtCALLtREPRt ATTRIBUTEt SUBSCRIPTtSTARREDt NAMECONSTANTtNUMtSTRtBYTEStELLIPSIStCONSTANTtSLICEtEXTSLICEtINDEXtLOADtSTOREtDELtAUGLOADtAUGSTOREtPARAMtANDtORtADDtSUBtMULTtDIVtMODtPOWtLSHIFTtRSHIFTtBITORtBITXORtBITANDtFLOORDIVtINVERTtNOTtUADDtUSUBtEQtNOTEQtLTtLTEtGTtGTEtIStISNOTtINtNOTINtMATMULTR{t COMPREHENSIONtKEYWORDtFORMATTEDVALUEt JOINEDSTRRRRtNONLOCALRRGtLISTCOMPtDICTCOMPtSETCOMPRRtBREAKRRtAWAITt YIELDFROMRtASYNCFUNCTIONDEFRRRRRRtLISTRRRt TRYEXCEPTRRR(((s/lib/python2.7/site-packages/pyflakes/checker.pyRes             9      *  J !        /   :.v  $          L     "  - (ii(ii(ii(ii(RR*RtRRRRRCRtreR`RtpyflakesRt version_infoRGRt PY36_PLUSRRtpypy_version_infoR#RQtAttributeErrorR>tdirt __import__Rtgenerate_tokensRRR RRRtFortAsyncForRR7RtcompileRtpatternRR@RRR/R2R9R;RNtobjectRORWRZRIRFR`RdRmRqRsRvRwRxRyRzRRRRRRRRR}RMRRt NodeVisitorRRR(((s/lib/python2.7/site-packages/pyflakes/checker.pyts                          (%  1