jddlZddlZddlZddlZddlZddlZddlZddlZddlZddl Z ddl m Z ddl m Z dagadZeddhZejdZedZd Zd1d ZGd d eZdZ d2dZGddeZejdZdZejdZ dZ!ejdZ"dZ#dZ$dZ%dZ&dZ'GddZ(Gdd Z) d3d"Z* d4d#Z+ d4d$Z, d5d%Z- d5d&Z. d6d'Z/ d6d(Z0d)Z1d*Z2d+Z3Gd,d-Z4d7d.Z5d/Z6d0Z7dS)8N) ElementTree) validate_path) z-xmxz-mxz-xmsz-msz-xssz-ssz-xbatchz-xintz-xcompz-xmixedz-verbosez-serverz-clientz\A[A-Za-z0-9_.,-]+\Zz ;|&$`<>(){}[]*?!'"\ct|}d}|t|kr||}t|tr|st d|dt d|Drt d|d|}|drt d|d|dkrl|d zt|kr ||d znd }t|trt |st d |d|d z } |d rNt | dd d st d|d|d z }|tvr|d z }|tr|d z }t d|dd S)a Raise ValueError if *options* contains JVM flags that can change the executed program, run a command, load agents, or expand argument files. Uses a minimal allowlist of exactly the flags NLTK's Java wrappers and the Stanford CoreNLP documentation use (heap/stack sizing, -verbose, -server/-client, and ``--add-modules``). 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(CVE-2026-12841, CWE-88).) listlen isinstancestr ValueErroranylower startswith_MODULE_LIST_REmatchsplit_SAFE_JVM_EXACT_SAFE_JVM_PREFIXES)optionsoptsiflagnmodss r_validate_java_optionsr(Ts ==D A c$ii--Aw$$$ D 6666          6666  JJLL <<   A"AAA    "#a%#d))"3"34A;;DdC(( 0E0Ed0K0K  :::: FA  <<( ) ) "((C););A)>??  0$000 FA     FA  <<* + +  FA  FT F F F   y -rFctd|ddg|dga|Ut|tr|}t |}t ||tdd<dSdS)a Configure nltk's java interface, by letting nltk know where it can find the Java binary, and what extra options (if any) should be passed to Java when it is run. :param bin: The full path to the Java binary. If not specified, then nltk will search the system for a Java binary; and if one is not found, it will raise a ``LookupError`` exception. :type bin: str :param options: A list of options that should be passed to the Java binary when it is called. A common value is ``'-Xmx512m'``, which tells Java binary to increase the maximum heap size to 512 megabytes. 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" Y  % % rcg|]}||Sr:r:)r rYs r zjava..JsGGGQG1GGGrz"Classpath is empty after splittingr*z-cpT)stdinstdoutstderruniversal_newlinesrzJava command failed:  z Return code: z Output: z Error: z Failed to execute Java command: )rr TypeErrorrr2rr(r@pathseprrcrMr1rGextendrhPopen communicate returncodeOSError)cmd classpathrorprqblockingr"trusted_raw_optionscmd_listrlopt_list classpath_arg raw_entriesoriginal_classpath_string final_cmdrY stdout_data stderr_dataes rr*r*sN#sKIJJJCyyH Ju  E Z  F Z  F*7?4 &&&R&0#&>&>Q7==???DMM x((( 8 )3 / / >"5";";"="= d#6777M i % % -GGioobj&A&AGGGK(1 % %y//K(, % CABB BK((( $ 05MMJOOK88MI)S!!?####i=fX>>> X %/000 X   #      ,'(}} $K|q  `CHHY,?,?``$%L``>>>>rrz[uU]?[rR]?(\"\"\"|\'\'\'|\"|\')cVt||}|std||d}t jd|z}|} |||}|std||ddkr|dz}nn[ t||||fS#t$r}td||d }~wwxYw) a If a Python string literal begins at the specified position in the given string, then return a tuple ``(val, end_position)`` containing the value of the string literal and the position where it ends. Otherwise, raise a ``ReadError``. :param s: A string that will be checked to see if within which a Python string literal exists. :type s: str :param start_position: The specified beginning position of the string ``s`` to begin regex matching. :type start_position: int :return: A tuple containing the matched string literal evaluated as a string and the end position of the string literal. :rtype: tuple(str, int) :raise ReadError: If the ``_STRING_START_RE`` regex doesn't return a match in ``s`` at ``start_position``, i.e., open quote. If the ``_STRING_END_RE`` regex doesn't return a match in ``s`` at the end of the first match, i.e., close quote. :raise ValueError: If an invalid string (i.e., contains an invalid escape sequence) is passed into the ``eval``. :Example: >>> from nltk.internals import read_str >>> read_str('"Hello", World!', 0) ('Hello', 7) z open quoterz\\|%sTz close quoter\zvalid escape sequenceN) _STRING_START_RErrgrouprecompileendsearchevalr)sstart_positionm quotemark_STRING_END_RErrrs rread_strrs/D q.11A 6 n555 IZ9 455NuuwwH%%a22 5M844 4 ;;q>>T ! !yy{{QHH HAnuyy{{2344eiikkAA HHH/@@aGHs >> from nltk.internals import read_int >>> read_int('42 is the answer', 0) (42, 2) integer) _READ_INT_RErrintrrrrrs rread_intrsR: 1n--A 3 >222 qwwyy>>15577 ""rz-?(\d*)([.]?\d*)?ct||}|r*|ds%|dstd||dr5t ||fSt ||fS)a If an integer or float begins at the specified position in the given string, then return a tuple ``(val, end_position)`` containing the value of the number and the position where it ends. Otherwise, raise a ``ReadError``. :param s: A string that will be checked to see if within which a Python number exists. :type s: str :param start_position: The specified beginning position of the string ``s`` to begin regex matching. :type start_position: int :return: A tuple containing the matched number casted to a ``float``, and the end position of the number in ``s``. :rtype: tuple(float, int) :raise ReadError: If the ``_READ_NUMBER_VALUE`` regex doesn't return a match in ``s`` at ``start_position``. :Example: >>> from nltk.internals import read_number >>> read_number('Pi is 3.14159', 6) (3.14159, 13) rrnumber)_READ_NUMBER_VALUErrrfloatrrrs r read_numberrs:   N33A 2QWWQZZ21771::2.111wwqzz'QWWYY((17799~~quuww&&rct|tjrK|jj?|jfdt |jjD}t|dkStd)a :return: True if ``method`` overrides some method with the same name in a base class. This is typically used when defining abstract base classes or interfaces, to allow subclasses to define either of two related methods: >>> class EaterI: ... '''Subclass must define eat() or batch_eat().''' ... def eat(self, food): ... if overridden(self.batch_eat): ... return self.batch_eat([food])[0] ... else: ... raise NotImplementedError() ... def batch_eat(self, foods): ... return [self.eat(food) for food in foods] :type method: instance method Nc<g|]}|jv |jSr:)__dict__)r clsnames rrnzoverridden..5s7   s|## L ###rrzExpected an instance method.) rtypes MethodType__self__ __class__r7_mrorrt)methodfuncsrs @r overriddenr s&&%*++ 80I0U    FO566    5zzA~6777rct|tr|jS|g}|jD]$}|t |%|S)aY Return the method resolution order for ``cls`` -- i.e., a list containing ``cls`` and all its base classes, in the order in which they would be checked by ``getattr``. For new-style classes, this is just cls.__mro__. For classic classes, this can be obtained by a depth-first left-to-right traversal of ``__bases__``. )rtype__mro__ __bases__rvr)rmrobases rrr?sV#t{eM # #D JJtDzz " " " " rc@d}|jr_|jdz|_tjd|j}|rt |}nd|_|xjt jd|d|||dzz c_dS) z4Add an epytext @field to a given object's docstring. z(?<=\n)[ ]+(?!\s)r:  initial_indentsubsequent_indentN)rrstriprfindall expandtabsmintextwrapfill)objfieldmessageindentindentss r_add_epytext_fieldrVs F {k((**V3 *13;3I3I3K3KLL  "\\F KK8=EW 6/KKKKrcfd}|S)a$ A decorator used to mark functions as deprecated. This will cause a warning to be printed the when the function is used. Usage: >>> from nltk.internals import deprecated >>> @deprecated('Use foo() instead') ... def bar(x): ... print(x/10) cdjddtjddzfd}|jjj|_j|_d|_t|d|S) Nz Function z() has been deprecated.   rcLtjtd|i|S)Nrcategory stacklevel)rCrDDeprecationWarning)argskwargsfuncmsgs rnewFuncz.deprecated..decorator..newFunc{s0 M#(:q I I I I4((( (rT deprecated)r7rrrupdater__deprecated__r)rrrrs` @r decoratorzdeprecated..decoratorwsK$-KK'KKX]3ttTTTT ) ) ) ) ) )  ...=,!%7L':::rr:)rrs` rrrks$" rceZdZdZdZdS) Deprecateda A base class used to mark deprecated classes. A typical usage is to alert users that the name of a class has changed: >>> from nltk.internals import Deprecated >>> class NewClassName: ... pass # All logic goes here. ... >>> class OldClassName(Deprecated, NewClassName): ... "Use NewClassName instead." The docstring of the deprecated class will be used in the deprecation warning message. cd}t|D]}t|jvr|}n|s Jd|jpd}t jdd|}t jdd|}d|jz}||kr |d|jzz }|d|}dtj |d d z}tj |td t|S) Nz-Unable to determine which base is deprecated.rz\A\s*@deprecated:z(?m)^\s*zClass %sz (base class for %s)z has been deprecated. rrrrr)rrrrstriprsubr7rrrCrDrobject__new__)rrrdep_clsrdocrrs rrzDeprecated.__new__s II  DT^++,GGGGGGo+f)344f["c**G,, '>> *S\9 9D33c33X]3vQWXXXX c$61EEEE~~c"""rN)r7r8r9rrr:rrrrs-  #####rrc eZdZdZddZdZdS)CounterzE A counter that auto-increments each time its value is read. rc||_dSr_value)r initial_values rrzCounter.__init__s # rc0|xjdz c_|jSNrrrs rrBz Counter.gets q {rN)r)r7r8r9rrrBr:rrrrsA$$$$rrr:c # K|g|pgz}t|tsJt|trJt|trJt|tr|}d}|D]}tj||} tj| r|rtd|d| dd}| Vtj|r|rtd|d|dd}|Vtj|d|} tj| r|rtd|d| dd}| V|D]} | tjvr|rYtj| tj D])} tj | } | rd}| V*tj| tj D]} tj | } tj| r|rtd|d| dd}| V|D]}tj| |} tj| r|rtd|d| dd}| Vtj| d|} tj| r|rtd|d| dd}| V!|D]L} |D]G}tj| |} tj| rd}| VHMtj dkr|D]} tj d |gtjtj } | \}}t!|}||r=tj|r|rtd|d|dd}|Vn#t(t*t,f$rwxYw#wxYw|skd |z}|r|d |d zz }|dz }|r'|dz }|dd|Dz }|r |d|d|dz }d}t/d|d|d|dS)a Search for a file to be used by nltk. :param filename: The name or path of the file. :param env_vars: A list of environment variable names to check. :param file_names: A list of alternative file names to check. :param searchpath: List of directories to search. :param url: URL presented to user for download help. :param verbose: Whether or not to print path when a file is found. F[Found r]Tfiler3posixwhich)rprqzSNLTK was unable to find the %s file! Use software specific configuration parametersz# or set the %s environment variabler. Searched in:rc3 K|] }d|zV dSz - %sNr:r ds rrz!find_file_iter..N'@@K===========================================================================rrN)rrrr@r?rMrOprintrAru expanduserrrhrwrirx_decode_stdoutdatarendswithexistsKeyboardInterrupt SystemExitrz LookupError)filenamer- searchpath file_namesurlr. finding_diryielded alternative path_to_fileenv_varenv_dir directoryrYrprqr?rdivs rfind_file_iterrs&z/R0J h $ $$$$*c******c*****(C  $>>##G" w||Hk:: 7>>, ' '  =;;;L;;;<<<G    7>>+ & &  <:::K:::;;;G   w||HfkBB 7>>, ' '  =;;;L;;;<<<G   #+#+ bj  &!z'288DD&&G g0099G&"&% :g.44RZ@@ + +',,W557>>'**"@>>>G>>>???"G!MMM#-++K#%7<<#E#ELw~~l33+"I!"GH"G"G "G"G"GHHH"&**** $&7<< #L#LLw~~l33+"I!"GH"G"G "G"G"GHHH"&****#+( ## % # #K7<< ;??Lw~~l++ #""""  # w'%  K $k*%?%? "#)&117799==--"'..2F2F=;;;D;;;<<<"GJJJ%z7;     6 ')1 2  G 88A;F FC s   A ' 'C 277@@Z@@@@@ @C  R QHQQ3QQQ QC44444s4455566sB7QQ2Q..Q22Q4c Dtt||||||Srnextrrr-rrrr.s r find_filer Us+ x:z3PP  rc Htt||||||dS)NT)rrrs rfind_dirr"]s8  h JWRV     rc#K| o"tj|dk}d}t|p||||||D]*} |r tj| s$d}| V+|r|st d|ddSdS)a Search for a file to be used by nltk. :param name: The name or path of the file. :param path_to_bin: The user-supplied binary location (deprecated) :param env_vars: A list of environment variable names to check. :param file_names: A list of alternative file names to check. :param searchpath: List of directories to search. :param url: URL presented to user for download help. :param verbose: Whether or not to print path when a file is found. rFTz NLTK found z only in the current working directory, which is not a trusted location for executables. Install it on PATH or in a configured location, or pass an explicit path_to_bin.N)r@r?rKrrRr) r path_to_binr-rr/rr.searching_bare_name safe_matchr?s rfind_binary_iterr'gsB*/Ibgood.C.Cr.IJtXz<g  rw}}T':':     :  F$ F F F       rc Ftt|||||||Sr)rr')rr$r-rr/rr.s rr0r0s2  +x\3    rc #h Kt|tsJt|trJt|tr|}d}dgt|z}|;tj|rd}|Vntd|d||D]}|tjvr|dkrtjd} | tjj D]} tj | } tj| r\tj | } |rtj || s|s$| |kr|rtd|d| d d}| Vtj| r|s{tjtj| |r<|rtd|d| d d}tj| |V:t j| D]q} tj || rZ|r4td|dtj| | d d}tj| | Vrtj tj|tjr fd t jDnf} | D]}}tj|r\tj |} |rtj || s|s$| |kr|rtd|d|d d}|V~|D]}|rt j|D]t} tj|| }tj|r-tj || r|rtd| d|d d}|Vutj||}tj|r|rtd|d|d d}|V|sd |z}|r|d |d zz }t%j|dzdd}|r'|dz }|dd|Dz }|r|d||z }d}td|d|d|dS)a Search for a jar that is used by nltk. :param name_pattern: The name of the jar file :param path_to_jar: The user-supplied jar location, or None. :param env_vars: A list of environment variable names to check in addition to the CLASSPATH variable which is checked by default. :param searchpath: List of directories to search. :param is_regex: Whether name is a regular expression. 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As an example, the stdlib 'inspect' module will attempt to import the stdlib 'tokenize' module, but will instead end up importing NLTK's 'tokenize' module instead (causing the import to fail). cg|]}|dv| S))rrr:rs rrnz&import_from_stdlib..ms":::aq '9'9'9'9'9r)rGr? __import__)moduleold_pathrs rimport_from_stdlibrRbs;xH::38:::CH6ACH HrceZdZdZdZdZdZdZdZdZ dZ d Z d Z d Z d Zd ZdZdZdZdZddZdZdZdZdS)ElementWrappera A wrapper around ElementTree Element objects whose main purpose is to provide nicer __repr__ and __str__ methods. In addition, any of the wrapped Element's methods that return other Element objects are overridden to wrap those values before returning them. This makes Elements more convenient to work with in interactive sessions and doctests, at the expense of some efficiency. cnt|tr|SttS)z Create and return a wrapper around a given Element object. If ``etree`` is an ``ElementWrapper``, then ``etree`` is returned as-is. )rrTrr)retrees rrzElementWrapper.__new__s- e^ , , 2L>>.11 1rcft|trddlm}||}||jd<dS)az Initialize a new Element wrapper for ``etree``. If ``etree`` is a string, then it will be converted to an Element object using ``nltk.xmlsec.fromstring()`` first, which refuses documents that declare XML entities: >>> ElementWrapper("") \n"> r) fromstring_etreeN)rr nltk.xmlsecrXr)rrVsafe_fromstrings rrzElementWrapper.__init__sL eS ! ! + B A A A A A#OE**E"' hrc|jS)zD Return the Element object wrapped by this wrapper. rYrs runwrapzElementWrapper.unwraps {rctj|jdd}t |dkrD|d}t ||z dkrd}|ddd||d}d|zS) Nutf8rD<<iz...z )rtostringrYrKrrfind)rrrs r__repr__zElementWrapper.__repr__s  v > > > E Ef M M q66B;; AA b  SbS6%%ae%%A!!rctj|jddS)zs :return: the result of applying ``ElementTree.tostring()`` to the wrapped Element object. r`ra)rrerYrKrrs rrzElementWrapper.__str__s8  v > > > E Ef M M T T V V rc,t|j|Sr)rFrY)rattribs r __getattr__zElementWrapper.__getattr__st{F+++rc.t|j||Sr)setattrrY)rattrvalues r __setattr__zElementWrapper.__setattr__st{D%000rc,t|j|Sr)delattrrY)rrns r __delattr__zElementWrapper.__delattr__st{D)))rc||j|<dSrr])rindexelements r __setitem__zElementWrapper.__setitem__s$ Erc|j|=dSrr]rrus r __delitem__zElementWrapper.__delitem__s K   rc||j||<dSrr])rstartstopelementss r __setslice__zElementWrapper.__setslice__s"* E$Jrc|j||=dSrr]rr|r}s r __delslice__zElementWrapper.__delslice__s Kd # # #rc*t|jSr)rrYrs r__len__zElementWrapper.__len__s4;rc6t|j|Sr)rTrYrys r __getitem__zElementWrapper.__getitem__sdk%0111rc4d|j||DS)Nc,g|]}t|Sr:rTr elts rrnz/ElementWrapper.__getslice__..s GGGs##GGGrr]rs r __getslice__zElementWrapper.__getslice__s!GGt{5:/FGGGGrc$d|jDS)Nc,g|]}t|Sr:rrs rrnz.ElementWrapper.getchildren..s ;;;s##;;;rr]rs r getchildrenzElementWrapper.getchildrens;;t{;;;;rNcJd|j|DS)Nc34K|]}t|VdSrrrs rrz-ElementWrapper.getiterator..s*LLs##LLLLLLr)rY getiterator)rtags rrzElementWrapper.getiterators&LLt{/F/Fs/K/KLLLLrcRt|j||Sr)rTrY makeelement)rrrjs rrzElementWrapper.makeelements"dk55c6BBCCCrc\|j|}||St|Sr)rYfindrT)rr?rs rrzElementWrapper.finds/kt$$ ;J!#&& &rcJd|j|DS)Nc,g|]}t|Sr:rrs rrnz*ElementWrapper.findall..s IIIs##IIIr)rYr)rr?s rrzElementWrapper.findalls&IIt{/B/B4/H/HIIIIrr)r7r8r9rrrr^rgrrkrprsrwrzrrrrrrrrrrr:rrrTrTxs^   2 2 2(((("""   ,,,111***%%%+++$$$   222HHH<<<MMMMDDD'''JJJJJrrTcl|j|j}}|rY|j}|d}|dkr"t|t ||\}}n!t|t ||\}}|||fS|jdvrt d|jjz|d}|t|}|dkr tdt||z}|dkr tdt||z}|dkr, ||dz n#t$rt|}YnwxYwt||}||fS)a Given a slice, return the corresponding (start, stop) bounds, taking into account None indices and negative indices. The following guarantees are made for the returned start and stop values: - 0 <= start <= len(sequence) - 0 <= stop <= len(sequence) - start <= stop :raise ValueError: If ``slice_obj.step`` is not None. :param allow_step: If true, then the slice object may have a non-None step. If it does, then return a tuple (start, stop, step). Nrrrz)slices with steps are not supported by %s) r|r}step slice_boundsslicerrr7rmax IndexErrorr)sequence slice_obj allow_stepr|r}rs rrrs|?IN4E ~ <D !88&xtU1C1CDDKE44&xud1C1CDDKE4dD   y ( ( 7(:L:U U    } |8}} qyyAs8}}u,-- axx1c(mmd*++  axx ! TAX    ! ! !x==DDD ! t  E $;s7 DDDctj|sdSttdrtj|}t j|j}|dzrdS|jtjkr|dzrdS|j tj gtj zvr|dzrdSdSdS)NFgetuidrT) r@r?r hasattrstatS_IMODEst_modest_uidrst_gidgetgid getgroups)r?statdataperms r is_writablerFs 7>>$  ur874==|H,-- %< 4 _ + + +4o")++!???dUl?45 4rc |tdt|jd|dt|jd)Nzunorderable types: z() rsz())rtrr7)orderingabs rraise_unorderable_typesrfsD ) 77   XXXtAww'7'7'7 9  r)NNF)NNNNTNN)r:r:NNFF)r:r:NNF)Nr:r:NNF)Nr:r:NFF)F)8r<rIr@rrrhrGrrrC xml.etreer nltk.pathsecrr1r2r! frozensetr rrr r(r4rIr6rcr*rrrrrrrrrrrrrrrr r"r'r0r7r9rBr rRrTrrrr:rrrsC   !!!!!!&&&&&&   . )Y 233"*455!y!?@@P P P h####D        III\     \ \ \ \ H > > > > > > > > 2:@AA8H8H8Hvrz(##  # # #F RZ 455#'#'#'V888>.*@)#)#)#)#)#)#)#)#b        ( D6D6D6D6PNSNS  2 2 2 2 n      $   K6K6K6K6`        '''    ,JJJJJJJJN????N@r