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sre_parse.cpython-34.pyc
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� e f�z � @ s d Z d d l Td d l m Z d Z d Z e d � Z e d � Z e d � Z e d � Z i e e d � f d 6e e d � f d 6e e d � f d 6e e d � f d 6e e d � f d 6e e d � f d 6e e d � f d 6e e d � f d 6Z i e e f d 6e e f d 6e e f d 6e e e f g f d 6e e e f g f d 6e e e f g f d 6e e e f g f d 6e e e f g f d 6e e e f g f d! 6e e f d" 6Z i e d# 6e d$ 6e d% 6e d& 6e d' 6e! d( 6e" d) 6e# d* 6Z$ Gd+ d, � d, � Z% Gd- d. � d. � Z& Gd/ d0 � d0 � Z' d1 d2 � Z( d3 d4 � Z) d5 d6 � Z* d7 d8 � Z+ d9 d: � Z, d; d< d= � Z- d> d? � Z. e d@ � Z/ e dA � Z0 e dB � Z1 e e2 e3 g � Z4 dC dD � Z5 dE dF � Z6 d dG dH dI � Z7 dJ dK � Z8 dL dM � Z9 dG S)Nz Internal support module for sre� )�*)� MAXREPEATz .\[{()*+?^$|z*+?{� 0123456789Z01234567Z0123456789abcdefABCDEFz �z\a�z\b� z\f� z\n� z\r� z\t� z\v�\z\\z\Az\Bz\dz\Dz\sz\Sz\wz\Wz\Z�i�L�m�s�x�a�t�uc @ sC e Z d Z d d � Z d d d � Z d d � Z d d � Z d S) �Patternc C s1 d | _ g | _ d | _ i | _ d | _ d S)Nr � )�flags�open�groups� groupdict� lookbehind)�self� r �./opt/alt/python34/lib64/python3.4/sre_parse.py�__init__C s zPattern.__init__Nc C s� | j } | d | _ | d k ru | j j | d � } | d k re t d t | � | | f � � n | | j | <n | j j | � | S)Nr z7redefinition of group name %s as group %d; was group %d)r r �get�error�reprr �append)r �name�gid�ogidr r r � opengroupJ s zPattern.opengroupc C s | j j | � d S)N)r �remove)r r% r r r � closegroupU s zPattern.closegroupc C s | | j k o | | j k S)N)r r )r r% r r r � checkgroupW s zPattern.checkgroup)�__name__� __module__� __qualname__r r' r) r* r r r r r A s r c @ s� e Z d Z d d d � Z d d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d S)� SubPatternNc C s4 | | _ | d k r g } n | | _ d | _ d S)N)�pattern�data�width)r r/ r0 r r r r \ s zSubPattern.__init__r c C s d } t t f } x�| j D]�\ } } t | d | d d �| t k r� t � x�| D]% \ } } t | d d | | � qZ Wq | t k r� t � xct | d � D]8 \ } } | r� t | d d � n | j | d � q� Wq | t k rQ| \ } } } t d | � | j | d � | r�t | d d � | j | d � q�q t | | � r�d } xv | D]n } t | t � r�| s�t � n | j | d � d } qm| s�t d d d �n t | d d �d } qmW| s�t � q�q t d | � q Wd S) NTz �end� r �or�elseF� ) �tuple�listr0 �print�IN�BRANCH� enumerate�dump�GROUPREF_EXISTS� isinstancer. ) r �level�nl�seqtypes�op�avr r � condgroup�item_yes�item_nor r r r= b sH zSubPattern.dumpc C s t | j � S)N)r" r0 )r r r r �__repr__� s zSubPattern.__repr__c C s t | j � S)N)�lenr0 )r r r r �__len__� s zSubPattern.__len__c C s | j | =d S)N)r0 )r �indexr r r � __delitem__� s zSubPattern.__delitem__c C s1 t | t � r& t | j | j | � S| j | S)N)r? �slicer. r/ r0 )r rK r r r � __getitem__� s zSubPattern.__getitem__c C s | | j | <d S)N)r0 )r rK �coder r r � __setitem__� s zSubPattern.__setitem__c C s | j j | | � d S)N)r0 �insert)r rK rO r r r rQ � s zSubPattern.insertc C s | j j | � d S)N)r0 r# )r rO r r r r# � s zSubPattern.appendc C s� | j r | j Sd } } t t t t t t f } t t f } xy| j D]n\ } } | t k r� t d } d } xB | d D]6 } | j � \ } } t | | � } t | | � } q{ W| | } | | } qH | t k r| j � \ } } | | } | | } qH | t k r:| d j � \ } } | | } | | } qH | | k r�| d j � \ } } | | | d } | | | d } qH | | k r�| d } | d } qH | t k rH PqH qH Wt | t d � t | t � f | _ | j S)Nr r � )r1 �ANY�RANGEr: �LITERAL� NOT_LITERAL�CATEGORY� MIN_REPEAT� MAX_REPEATr0 r; r �getwidth�min�max�CALL� SUBPATTERN�SUCCESS) r �lo�hi� UNITCODES� REPEATCODESrC rD r �j�l�hr r r rZ � sD %zSubPattern.getwidth) r+ r, r- r r= rH rJ rL rN rP rQ r# rZ r r r r r. Z s ( r. c @ sg e Z d Z d d � Z d d � Z d d d � Z d d � Z d d � Z d d � Z d d � Z d S)� Tokenizerc C s2 t | t � | _ | | _ d | _ | j � d S)Nr )r? �str�istext�stringrK �_Tokenizer__next)r rj r r r r � s zTokenizer.__init__c C s� | j t | j � k r% d | _ d S| j | j | j d � } | re | j re t | d � } n | d k r� y | j | j d } Wn t k r� t d � � Yn X| j s� t | � } n | | } n | j t | � | _ | | _ d S)Nr r r zbogus escape (end of line))rK rI rj �nextri �chr� IndexErrorr! )r �char�cr r r �__next� s zTokenizer.__nextr c C s* | | j k r& | r" | j � n d Sd S)Nr r )rl rk )r ro �skipr r r �match� s zTokenizer.matchc C s | j } | j � | S)N)rl rk )r �thisr r r r � s z Tokenizer.getc C sN d } xA t | � D]3 } | j } | | k r2 Pn | | 7} | j � q W| S)Nr3 )�rangerl rk )r �n�charset�result�_rp r r r �getwhile� s zTokenizer.getwhilec C s | j | j f S)N)rK rl )r r r r �tell� s zTokenizer.tellc C s | \ | _ | _ d S)N)rK rl )r rK r r r �seek� s zTokenizer.seekN) r+ r, r- r rk rs r rz r{ r| r r r r rg � s rg c C sd d d l } | j d t d d �d | k o9 d k n pc d | k oU d k n pc | d k S) Nr z*sre_parse.isident() will be removed in 3.5� stacklevelrR r �z�A�Zry )�warnings�warn�DeprecationWarning)ro r� r r r �isident� s r� c C s: d d l } | j d t d d �d | k o7 d k SS)Nr z*sre_parse.isdigit() will be removed in 3.5r} rR �0�9)r� r� r� )ro r� r r r �isdigit� s r� c C ss d d l } | j d t d d �t | d � s6 d Sx6 | d d � D]$ } t | � rG t | � rG d SqG Wd S)Nr z)sre_parse.isname() will be removed in 3.5r} rR Fr T)r� r� r� r� r� )r$ r� ro r r r �isname� s r� c C s7 t j | � } | r | St j | � } | rB | d t k rB | Sy�| d d � } | d k r� | | j d t � 7} t | � d k r� t � n t t | d d � d � d @f S| d k r| j r| | j d t � 7} t | � d k r� t � n t t | d d � d � f S| d k r�| j r�| | j d t � 7} t | � d k r\t � n t | d d � d � } t | � t | f S| t k r�| | j d t � 7} t t | d d � d � d @f S| t k r�t � n t | � d k rt t | d � f SWn t k r Yn Xt d t | � � � d S)Nr r rR r � � � r � �U� � zbogus escape: %s)�ESCAPESr � CATEGORIESr: rz � HEXDIGITSrI � ValueErrorrU �intri rm � OCTDIGITS�DIGITS�ordr! r" )�source�escaperO rp r r r � _class_escape sF ! ! r� c C s t j | � } | r | St j | � } | r2 | Sy�| d d � } | d k r� | | j d t � 7} t | � d k r� t � n t t | d d � d � d @f S| d k r| j r| | j d t � 7} t | � d k r� t � n t t | d d � d � f S| d k ry| j ry| | j d t � 7} t | � d k rLt � n t | d d � d � } t | � t | f S| d k r�| | j d t � 7} t t | d d � d � d @f S| t k r�| j t k rJ| | j � } | d t k rJ| d t k rJ| j t k rJ| | j � } t t | d d � d � d @f Sn t | d d � � } | | j k r�| j | � s�t d � � n | j r�d d l } | j d t � n t | f St � n t | � d k r�t t | d � f SWn t k rYn Xt d t | � � � d S)Nr rR r r� r� r� r r� r� r� r� r� zcannot refer to open groupr z;group references in lookbehind assertions are not supportedzbogus escape: %s)r� r r� rz r� rI r� rU r� ri rm r� r� rl r r* r! r r� r� �RuntimeWarning�GROUPREFr� r" )r� r� �staterO rp �groupr� r r r �_escape5 sd ! ! $ r� r c C s� g } | j } | j } x\ | t | | � � | d � r@ q n | sJ Pn | j sc | d d � rg Pq t d � � q Wt | � d k r� | d St | � } | j } xx d } xj | D]= } | s� Pn | d k r� | d } q� | d | k r� Pq� q� Wx | D] } | d =q� W| | � q� Pq� Wxz | D]0 } t | � d k sT| d d t k r(Pq(q(Wg } | j } x | D] } | | d � qrW| t | f � | S| j t d | f f � | S)N�|�)r zpattern not properly closedr ) r# rs �_parserl r! rI r. rU r: r; ) r� r� �nested�items� itemsappend� sourcematch� subpattern�subpatternappend�prefix�item�set� setappendr r r � _parse_subr sR & r� c C s� t | | � } | j d � rN t | | � } | j d � rT t d � � qT n d } | j r | j d d � r t d � � n t | � } | j t | | | f f � | S)Nr� z/conditional backref with more than two branchesr� r zpattern not properly closed)r� rs r! rl r. r# r> )r� r� rE rF rG r� r r r �_parse_sub_cond� s r� z|)z=!<z=!c " C s� t | � } | j } | j } | j } t } t } t } t } t } xp | j | k r[ Pn | � } | d k rt Pn | j t @r� | t k r� qH n | d k r� x | � } | d/ k r� Pq� q� WqH q� n | r� | d t k r� | t t | � f � qH | d k r�g } | j } | d � r1| t d f � n | d d � } x�| � } | d k ri| | k riPnO | r�| d d k r�t | | � } n' | r�t t | � f } n t d � � | d � r�| � } | d k r | d t k r�| d d } n | | � | t t d � f � Pq | r�| d d k rFt | | � } n t t | � f } | d t k sx| d t k r�t d � � n | d } | d } | | k r�t d � � n | t | | f f � q t d � � qD| d t k r�| d d } n | | � qDW| | � d k rD| d d t k rD| | d � q� | | � d k r�| d d t k r�| d d t k r�| t | d d f � q� | t | f � qH | rN| d t k rN| d k r�d0 \ } } n�| d k r�d t } } n�| d k rd t } } nw| d k r�| j d k rL| t t | � f � qH n | j � } d t } } d } } x# | j t k r�| | j � } qrW| d � r�x) | j t k r�| | � } q�Wn | } | d � s| t t | � f � | j | � qH n | r2t | � } | t k r2t d � � q2n | r�t | � } | t k r_t d � � n | | k r}t d � � q}q�n t d � � | r�| d1 d � } n d } | s�| | � d k r�| d d t k r�t d � � n | d d | k r t d � � n | d � r2t | | | f f | d2 <q� t | | | f f | d3 <qH | d k rm| t d f � qH | d k r2 d } d } d } | d � rD d } | d � ry| d � r=d } xB | � } | d k r�t d � � n | d k r�Pn | | } q�Wd } | st d � � n | j! � svt d | � � qvqA | d! � rBd } xB | � } | d k rvt d � � n | d" k r�Pn | | } qRW| s�t d � � n | j! � s�t d# | � � n | j" j | � } | d k rd$ j# | � } t | � � n | j$ r,d d l% } | j& d% t' � n | t( | f � qH qA | � } | d k rft d& � � n t d' | � � qD | d( � r�d } qD | d � r�x- | j d k s�| j d" k r�Pn | � q�W| d" � sH t d) � � qH qH qD | j | k r� | � } d } | d k rT | j | k r3 t d* � � n d4 } | � } | j$ d 7_$ n t) | | � } | d k r� | j$ d 8_$ n | d" � s� t d) � � n | d! k r� | t* | | f f � qH | t+ | | f f � qH qD | d � r� d } xB | � } | d k r t d � � n | d" k r& Pn | | } q� Wd } | sO t d � � n | j! � r� | j" j | � } | d k r� d$ j# | � } t | � � q� n1 y t | � } Wn t, k r� t d+ � � Yn X| j$ rA d d l% } | j& d% t' � qA qD | j t- k r t d& � � n x- | j t- k r@ | j t- | � B| _ q Wn | r� | d k r_ d } n | j. | � } | r� t/ | | | � } n t) | | � } | d" � s� t d) � � n | d k r� | j0 | � n | t1 | | f f � q� x� | � } | d k r t d& � � n | d" k r Pn t d, � � q� WqH | d k rQ | t t2 f � qH | d- k rs | j t t3 f � qH | r� | d d k r� t4 | | | � }! | |! � qH t d. � � qH W| S)5N�#r r �[�^�]r z$unexpected end of regular expression�-r zbad character rangerR �?r �+�{�}r3 �,z"the repetition number is too largezbad repeat intervalz not supportedznothing to repeatzmultiple repeat�.�(�P�<zunterminated name�>zmissing group namez bad character in group name %r�=r� z&bad character in backref group name %rzunknown group name: {0!r}z;group references in lookbehind assertions are not supportedzunexpected end of patternzunknown specifier: ?P%s�:zunbalanced parenthesisz syntax errorzbad character in group namezunknown extension�$z parser error)Nr )r r ���r� r� r� )5r. r# r rs rI �_PATTERNENDERS� _ASSERTCHARS�_LOOKBEHINDASSERTCHARS� _REPEATCODESrl r �SRE_FLAG_VERBOSE� WHITESPACE� SPECIAL_CHARSrU r� �NEGATEr� r! r: rT rV � REPEAT_CHARSr r{ r� r| r� � OverflowError�ATrX rY rS � isidentifierr �formatr r� r� r� r� r� �ASSERT� ASSERT_NOTr� �FLAGSr' r� r) r^ � AT_BEGINNING�AT_ENDr� )"r� r� r� r� � sourcegetr� �_len� PATTERNENDERS� ASSERTCHARS�LOOKBEHINDASSERTCHARSrc rt r� r� �start�code1�code2r` ra r[ r\ �herer� r� r$ rE ro r% �msgr� �dir�p�condnamerO r r r r� � s� &: - r� c C s_ t | t � rB | t @s& | t O} q[ | t @r[ t d � � q[ n | t @r[ t d � � n | S)Nz(ASCII and UNICODE flags are incompatiblez+can't use UNICODE flag with a bytes pattern)r? rh �SRE_FLAG_ASCII�SRE_FLAG_UNICODEr� )�srcr r r r � fix_flags� s r� Nc C s� t | � } | d k r$ t � } n | | _ | | _ t | | d � } t | | j j � | j _ | j � } | d k r� t d � � n | r� t d � � n | t @r� | j � n | t @ r� | j j t @r� t | | j j � S| S)Nr r� zunbalanced parenthesisz-bogus characters at end of regular expression) rg r r rh r� r� r/ r r! �SRE_FLAG_DEBUGr= r� �parse)rh r r/ r� r� �tailr r r r� s" r� c sn t | � } | j } g � g � g � � j } � � � f d d � } x�| � } | d k rd Pn | d d k r| d } | d k r�d } | j d � r� xE | � } | d k r� t d � � n | d k r� Pn | | 7} q� Wn | s� t d � � n y+ t | � } | d k r&t d � � n Wnn t k r�| j � sRt d � � n y | j | } Wn- t k r�d j | � } t | � � Yn XYn X| | � q | d k r| j t k r�| | � 7} | j t k r�| | � 7} q�n | t t | d d � d � d @� � q | t k r�d } | j t k r�| | � 7} | t k r�| d t k r�| j t k r�| | � 7} d } | t t | d d � d � d @� � q�n | s| t | d d � � � qq y t t | d � } Wn t k rYn X| | � qK | | � qK W� r?� j d j � � � n t | t � sdd d � � D� � n � � f S)Nc sV � r, � j d j � � � � d d � =n � j t � � | f � � j d � d S)Nr3 )r# �joinrI )rK )r �literal�literalsr r �addgroup( s z parse_template.<locals>.addgroupr r r �gr3 r� zunterminated group namer� zmissing group nameznegative group numberzbad character in group namezunknown group name: {0!r}r� r� r� FrR Tc S s1 g | ]' } | d k r d n | j d � � q S)Nzlatin-1)�encode)�.0r r r r � <listcomp>l s z"parse_template.<locals>.<listcomp>)rg r r# rs r! r� r� r� � groupindex�KeyErrorr� rn rl r� rm r� r� r� r? rh ) r� r/ r �sget�lappendr� rt rp r$ ro rK r� �isoctalr )r r� r� r �parse_template s� * - r� c C s� | j } | j d d � } | \ } } | d d � } yJ xC | D]; \ } } | | � | | <} | d k rB t d � � qB qB WWn t k r� t d � � Yn X| j | � S)Nr zunmatched groupzinvalid group reference)r� rj r! rn r� ) �templaters r� �sepr r� rK r� r r r r �expand_templateo s r� ):�__doc__� sre_constants�_srer r� r� r� r� r� r� r� rU r� r� r� �AT_BEGINNING_STRING� AT_BOUNDARY�AT_NON_BOUNDARYr: rW �CATEGORY_DIGIT�CATEGORY_NOT_DIGIT�CATEGORY_SPACE�CATEGORY_NOT_SPACE� CATEGORY_WORD�CATEGORY_NOT_WORD� AT_END_STRINGr� �SRE_FLAG_IGNORECASE�SRE_FLAG_LOCALE�SRE_FLAG_MULTILINE�SRE_FLAG_DOTALLr� r� �SRE_FLAG_TEMPLATEr� r� r r. rg r� r� r� r� r� r� r� r� r� r� rX rY r� r� r� r� r� r� r r r r �<module> sr e4 * =; � 7 P