N ؇:c sdZdZkZkZkZkZkZkZ dZ(dZ 0dZ ;dZ HdZ RdZ ddZvd Zd Zed Zd Zd ZdZhZdZdZdZdZ<dfdYZIdefdYZKdfdYZ]dZddZ qdZ!{dZ"ddZ#dd d!d"f\Z$Z%Z&Z'd#Z(d$Z)d%Z*e+d&Z,eeee+d(d)d*d'Z- e+d,d-d.d+Z. dd/Z/=dd0Z0Hdd1Z1Td2Z2[e3ed3o[ei4Z2n]dd4Z5add5Z6d6S(7suGet useful information from live Python objects. This module encapsulates the interface provided by the internal special attributes (func_*, co_*, im_*, tb_*, etc.) in a friendlier fashion. It also provides some help for examining source code and class layout. Here are some of the useful functions provided by this module: ismodule(), isclass(), ismethod(), isfunction(), istraceback(), isframe(), iscode(), isbuiltin(), isroutine() - check object types getmembers() - get members of an object that satisfy a given condition getfile(), getsourcefile(), getsource() - find an object's source code getdoc(), getcomments() - get documentation on an object getmodule() - determine the module that an object came from getclasstree() - arrange classes so as to represent their hierarchy getargspec(), getargvalues() - get info about function arguments formatargspec(), formatargvalues() - format an argument spec getouterframes(), getinnerframes() - get info about frames currentframe() - get the current stack frame stack(), trace() - get info about frames on the stack or in a traceback s&Ka-Ping Yee , 1 Jan 2001cs  %&t|tijSdS(sReturn true if the object is a module. Module objects provide these attributes: __doc__ documentation string __file__ filename (missing for built-in modules)N(stypesobjectstypess ModuleType(sobjects inspect.pysismodule scs (-.t|tijSdS(sReturn true if the object is a class. Class objects provide these attributes: __doc__ documentation string __module__ name of module in which this class was definedN(stypesobjectstypess ClassType(sobjects inspect.pysisclass(scs 089t|tijSdS(sReturn true if the object is an instance method. Instance method objects provide these attributes: __doc__ documentation string __name__ name with which this method was defined im_class class object in which this method belongs im_func function object containing implementation of method im_self instance to which this method is bound, or NoneN(stypesobjectstypess MethodType(sobjects inspect.pysismethod0scs);EFt|titigjSdS(sReturn true if the object is a user-defined function. Function objects provide these attributes: __doc__ documentation string __name__ name with which this function was defined func_code code object containing compiled function bytecode func_defaults tuple of any default values for arguments func_doc (same as __doc__) func_globals global namespace in which this function was defined func_name (same as __name__)N(stypesobjectstypess FunctionTypes LambdaType(sobjects inspect.pys isfunction;s cs HOPt|tijSdS(sbReturn true if the object is a traceback. Traceback objects provide these attributes: tb_frame frame object at this level tb_lasti index of last attempted instruction in bytecode tb_lineno current line number in Python source code tb_next next inner traceback object (called by this level)N(stypesobjectstypess TracebackType(sobjects inspect.pys istracebackHscs Rabt|tijSdS(s|Return true if the object is a frame object. Frame objects provide these attributes: f_back next outer frame object (this frame's caller) f_builtins built-in namespace seen by this frame f_code code object being executed in this frame f_exc_traceback traceback if raised in this frame, or None f_exc_type exception type if raised in this frame, or None f_exc_value exception value if raised in this frame, or None f_globals global namespace seen by this frame f_lasti index of last attempted instruction in bytecode f_lineno current line number in Python source code f_locals local namespace seen by this frame f_restricted 0 or 1 if frame is in restricted execution mode f_trace tracing function for this frame, or NoneN(stypesobjectstypess FrameType(sobjects inspect.pysisframeRscs dstt|tijSdS(suReturn true if the object is a code object. Code objects provide these attributes: co_argcount number of arguments (not including * or ** args) co_code string of raw compiled bytecode co_consts tuple of constants used in the bytecode co_filename name of file in which this code object was created co_firstlineno number of first line in Python source code co_flags bitmap: 1=optimized | 2=newlocals | 4=*arg | 8=**arg co_lnotab encoded mapping of line numbers to bytecode indices co_name name with which this code object was defined co_names tuple of names of local variables co_nlocals number of local variables co_stacksize virtual machine stack space required co_varnames tuple of names of arguments and local variablesN(stypesobjectstypessCodeType(sobjects inspect.pysiscodedscs)v|}t|titigjSdS(s,Return true if the object is a built-in function or method. Built-in functions and methods provide these attributes: __doc__ documentation string __name__ original name of this function or method __self__ instance to which a method is bound, or NoneN(stypesobjectstypessBuiltinFunctionTypesBuiltinMethodType(sobjects inspect.pys isbuiltinvscs;t|tititititigjSdS(s<Return true if the object is any kind of function or method.N(stypesobjectstypess FunctionTypes LambdaTypes MethodTypesBuiltinFunctionTypesBuiltinMethodType(sobjects inspect.pys isroutinescsg}x]t|drJ}t||}| p ||o|i||fnq!W|i|SdS(sReturn all members of an object as (name, value) pairs sorted by name. Optionally, only return members that satisfy a given predicate.iN( sresultssdirsobjectskeysgetattrsvalues predicatesappendssort(sobjects predicatesresultsskeysvalues inspect.pys getmemberss   cs<ti|}t|tti|SdS(sBReturn the indent size, in spaces, at the start of a line of text.N(sstrings expandtabsslinesexplineslenslstrip(slinesexplines inspect.pys indentsizescsEt|do|iotiti|id}t}x|ddru}t ti |}| o q]nt ||}|tjo |}nt||}q]W|tj oAx7tdt |dr}|||||dZBdZRS(sCProvide a readline() method to return lines from a list of strings.cs>?||_@d|_dS(Ni(slinessselfsindex(sselfsliness inspect.pys__init__>s csUBC|i}D|t|ijo"E|d|_F|i|SnGdSdS(Nis(sselfsindexsislenslines(sselfsis inspect.pysreadlineBs  (s__doc__s__init__sreadline(s inspect.pys ListReader<s  s EndOfBlockcsIIRS(N((s inspect.pys EndOfBlockIss BlockFindercs&KdZLMdZRdZRS(s@Provide a tokeneater() method to detect the end of a code block.cs+MNd|_Od|_Pd|_dS(Ni(sselfsindentsstartedslast(sselfs inspect.pys__init__Ms  c sR|\}}|\}} S|i o'T|tijoTd|_nnU|tijoV||_n{W|tijoX|i d|_ nQY|ti jo=Z|i d|_ [|i djo[t |inndS(Nii( sselfsstartedstypestokenizesNAMEsNEWLINEssrowslastsINDENTsindentsDEDENTs EndOfBlock( sselfstypestokens.6s.8slinessrowsscolserowsecols inspect.pys tokeneaterRs(s__doc__s__init__s tokeneater(s inspect.pys BlockFinderKs  cs`]^_y&`tit|itiWn*atj o}b||id SnXdS(s@Extract the block of code at the top of the given list of lines.iN( stokenizes ListReaderslinessreadlines BlockFinders tokeneaters EndOfBlockseobsargs(slinesseobs inspect.pysgetblock]s &cs[dklt|\}}nt|on|dfSnot|||dfSdS(sReturn a list of source lines and starting line number for an object. The argument may be a module, class, method, function, traceback, frame, or code object. The source code is returned as a list of the lines corresponding to the object and the line number indicates where in the original source file the first line of code was found. An IOError is raised if the source code cannot be retrieved.iiN(s findsourcesobjectslinesslnumsismodulesgetblock(sobjectslinesslnums inspect.pysgetsourcelinesds cs2qvwt|\}}xti|dSdS(sReturn the text of the source code for an object. The argument may be a module, class, method, function, traceback, frame, or code object. The source code is returned as a single string. An IOError is raised if the source code cannot be retrieved.sN(sgetsourcelinessobjectslinesslnumsstringsjoin(sobjectslinesslnums inspect.pys getsourceqscs{|}g}~|idxc|drV}|i||if|i|o$|it||||nq.W|SdS(s-Recursive helper function for getclasstree().cs~t|i|iS(N(scmpsas__name__sb(sasbs inspect.pys~siN( sresultssclassesssortscsappends __bases__schildrenshas_keyswalktree(sclassesschildrensparentsresultsscs inspect.pyswalktree{s  (cs4h}g}x|dr}|ioxxn|idr^}|i| og||sis(is,)s, s)N( stypesobjectstypessListTypes TupleTypesmapsconvertsresultsslensstringsjoin(sobjectsconvertsresultss inspect.pysstrseqs"c sg}|ot|t|} nx{tt|drb} t|| |} |o | | jo| ||| | } n|i | qNW|o|i ||n|o|i ||ndti|ddSdS(sFormat a pretty argument spec from the 4 values returned by getargspec. The first four arguments are (args, varargs, varkw, defaults). The other four arguments are the corresponding optional formatting functions that are called to turn names and values into strings.is(s, s)N(sspecssdefaultsslensargss firstdefaultsrangesisstrseqs argformatsspecs defaultformatsappendsvarargss varargsformatsvarkws varkwformatsstringsjoin( sargssvarargssvarkwsdefaultss argformats varargsformats varkwformats defaultformatsspecss firstdefaultsisspecs inspect.pys formatargspecs     cs d|S(Ns*(sname(snames inspect.pysscs d|S(Ns**(sname(snames inspect.pysscsdt|S(Ns=(sreprsvalue(svalues inspect.pyssc s |||d}g} x<tt|dr#} | i t || |q<W|o(| i |||||n|o(| i |||||ndti| ddSdS(sFormat a pretty argument spec from the 4 values returned by getargvalues. The first four arguments are (args, varargs, varkw, locals). The other four arguments are the corresponding optional formatting functions that are called to turn names and values into strings.cs"|||||SdS(N(s argformatsnames valueformatslocals(snameslocalss argformats valueformats inspect.pysconvertsis(s, s)N(slocalss argformats valueformatsconvertsspecssrangeslensargssisappendsstrseqsvarargss varargsformatsvarkws varkwformatsstringsjoin( sargssvarargssvarkwslocalss argformats varargsformats varkwformats valueformatsconvertsspecssis inspect.pysformatargvalues s  ! ( (cs  d|S(Ns*(sname(snames inspect.pys scs  d|S(Ns**(sname(snames inspect.pys scs dt|S(Ns=(sreprsvalue(svalues inspect.pys scs> '(t|o)|i}n*t| o+tdn-t|}.|djo/|id|d}0yo1t |\}}2t |d}3t|t||}4||||!}5|id|}Wn67t}}nXn9t}};||i|ii||fSdS(sGet 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. The optional second argument specifies the number of lines of context to return, which are centered around the current line.s&arg is not a frame or traceback objectiiiN(s istracebacksframestb_framesisframes TypeErrors getsourcefilesfilenamescontextsf_linenosstarts findsourceslinesslnumsmaxsminslensindexsNonesf_codesco_name(sframescontextsfilenamesstartslinesslnumsindexs inspect.pys getframeinfo s$ cs[=ABg}Cx;C|o0D|i|ft||E|i}qWF|SdS(sGet a list of records for a frame and all higher (calling) frames. Each record contains a frame object, filename, line number, function name, a list of lines of context, and index within the context.N(s framelistsframesappends getframeinfoscontextsf_back(sframescontexts framelists inspect.pysgetouterframes=s   csjHLM|i}Ng}Ox>O|o3P|i|ift||Q|i}q!WR|SdS(sGet a list of records for a traceback's frame and all lower frames. Each record contains a frame object, filename, line number, function name, a list of lines of context, and index within the context.N(stbstb_nexts framelistsappendstb_frames getframeinfoscontext(stbscontexts framelists inspect.pysgetinnerframesHs   #cs7TUVy WdWnXYtiiiSnXdS(s5Return the frame object for the caller's stack frame.scatch meN(ssyss exc_tracebackstb_framesf_back(s inspect.pys currentframeTs  s _getframecs ]^_tti|SdS(s@Return a list of records for the stack above the caller's frame.N(sgetouterframess currentframesf_backscontext(scontexts inspect.pysstack]scsabctti|SdS(sCReturn a list of records for the stack below the current exception.N(sgetinnerframesssyss exc_tracebackscontext(scontexts inspect.pystraceasN(7s__doc__s __version__ssysstypessstringsdissimpstokenizesismodulesisclasssismethods isfunctions istracebacksisframesiscodes isbuiltins isroutinesNones getmemberss indentsizesgetdocsgetfiles modulesbyfiles getmodules getsourcefiles findsources getcommentss ListReaders Exceptions EndOfBlocks BlockFindersgetblocksgetsourceliness getsourceswalktrees getclasstrees CO_OPTIMIZEDs CO_NEWLOCALSs CO_VARARGSsCO_VARKEYWORDSsgetargss getargspecs getargvaluessstrsstrseqs formatargspecsformatargvaluess getframeinfosgetouterframessgetinnerframess currentframeshasattrs _getframesstackstrace(s inspect.pys?sV  '            , +   ! 1  *!