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Edit File: inputstream.pyc
� r2Wc ! @` s d d l m Z m Z m Z d d l m Z d d l m Z d d l Z d d l Z d d l m Z m Z m Z m Z d d l m Z m Z d d l m Z d d l m Z y d d l m Z Wn e k r� e Z n Xy d d l m Z Wn' e k rd e f d � � YZ n Xe g e D] Z e j d � ^ q"� Z e g e D] Z e j d � ^ qJ� Z e g e D] Z e j d � ^ qr� Z e e d d g � BZ d Z e j! r�e j" e e# d � � Z$ n e j" e � Z$ e% d d d d d d d d d d d d d d d! d" d# d$ d% d& d' d( d) d* d+ d, d- d. d/ d0 d1 d2 g � Z& e j" d3 � Z' i Z( d4 e f d5 � � YZ) d e+ e+ d6 � Z, d7 e f d8 � � YZ- d9 e- f d: � � YZ. d; e/ f d< � � YZ0 d= e f d> � � YZ1 d? e f d@ � � YZ2 dA � Z3 d S(B i ( t absolute_importt divisiont unicode_literals( t text_type( t http_clientNi ( t EOFt spaceCharacterst asciiLetterst asciiUppercase( t encodingst ReparseException( t utils( t StringIO( t BytesIO( t BufferedIOBaseR c B` s e Z RS( ( t __name__t __module__( ( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyR s u asciit >t <u� [- - --]u "\uD800-\uDFFF"i�� i�� i�� i�� i�� i�� i�� i�� i�� i�� i�� i�� i�� i�� i�� i�� i�� i�� i�� i�� i�� i�� i�� i�� i�� i�� i�� i�� i�� i�� i�� i�� u [ - -/:-@[-`{-~]t BufferedStreamc B` sM e Z d Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z RS( u� Buffering for streams that do not have buffering of their own The buffer is implemented as a list of chunks on the assumption that joining many strings will be slow since it is O(n**2) c C` s% | | _ g | _ d d g | _ d S( Ni����i ( t streamt buffert position( t selfR ( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyt __init__A s c C` sJ d } x, | j | j d D] } | t | � 7} q W| | j d 7} | S( Ni i ( R R t len( R t post chunk( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyt tellF s c C` sx | | j � k s t � | } d } x> t | j | � | k rd | t | j | � 8} | d 7} q' W| | g | _ d S( Ni i ( t _bufferedBytest AssertionErrorR R R ( R R t offsett i( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyt seekM s c C` sp | j s | j | � S| j d t | j � k r_ | j d t | j d � k r_ | j | � S| j | � Sd S( Ni i i����( R t _readStreamR R t _readFromBuffer( R t bytes( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyt readV s c C` s& t g | j D] } t | � ^ q � S( N( t sumR R ( R t item( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyR _ s c C` sL | j j | � } | j j | � | j d c d 7<t | � | j d <| S( Ni i ( R R% R t appendR R ( R R$ t data( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyR" b s c C` s" | } g } | j d } | j d } x� | t | j � k r� | d k r� | d k s\ t � | j | } | t | � | k r� | } | | | g | _ n/ t | � | } | t | � g | _ | d 7} | j | | | | !� | | 8} d } q) W| r| j | j | � � n d j | � S( Ni i t ( R R R R R( R" t join( R R$ t remainingBytest rvt bufferIndext bufferOffsett bufferedDatat bytesToRead( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyR# i s& $ ( R R t __doc__R R R! R% R R" R# ( ( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyR : s c C` s� t | t j � r t } n9 t | d � rE t | j d � t � } n t | t � } | r | d k ru t d � � n t | � St | | | | � Sd S( Nu readi u7 Cannot explicitly set an encoding with a unicode string( t isinstanceR t HTTPResponset Falset hasattrR% R t Nonet TypeErrort HTMLUnicodeInputStreamt HTMLBinaryInputStream( t sourcet encodingt parseMetat chardett isUnicode( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyt HTMLInputStream� s R9 c B` s} e Z d Z d Z d � Z d � Z d � Z d � Z d � Z d � Z d d � Z d � Z d � Z e d � Z d � Z RS( u� Provides a unicode stream of characters to the HTMLTokenizer. This class takes care of character encoding and removing or replacing incorrect byte-sequences and also provides column and line tracking. i ( c C` s� t j s d | _ d | _ n] t d � d k rW | j | _ t j t d � � | _ n$ | j | _ t j t d � � | _ d g | _ d | _ | j | � | _ | j � d S( u Initialises the HTMLInputStream. HTMLInputStream(source, [encoding]) -> Normalized stream from source for use by html5lib. source can be either a file-object, local filename or a string. The optional encoding parameter must be a string that indicates the encoding. If specified, that encoding will be used, regardless of any BOM or later declaration (such as in a meta element) parseMeta - Look for a <meta> element containing encoding information u i u "[\uD800-\uDFFF]"uJ "([\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?<![\uD800-\uDBFF])[\uDC00-\uDFFF])"i u utf-8u certainN( u utf-8u certain( R t supports_lone_surrogatesR7 t reportCharacterErrorst replaceCharactersRegexpR t characterErrorsUCS4t ret compilet evalt characterErrorsUCS2t newLinest charEncodingt openStreamt dataStreamt reset( R R; ( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyR � s c C` sC d | _ d | _ d | _ g | _ d | _ d | _ d | _ d S( Nu i ( R t chunkSizet chunkOffsett errorst prevNumLinest prevNumColsR7 t _bufferedCharacter( R ( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyRM � s c C` s( t | d � r | } n t | � } | S( uv Produces a file object from source. source can be either a file object, local filename or a string. u read( R6 R ( R R; R ( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyRK � s c C` st | j } | j d d | � } | j | } | j d d | � } | d k r\ | j | } n | | d } | | f S( Nu i i����i ( R t countRQ t rfindRR ( R R R t nLinest positionLinet lastLinePost positionColumn( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyt _position� s c C` s& | j | j � \ } } | d | f S( u: Returns (line, col) of the current position in the stream.i ( RZ RO ( R t linet col( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyR � s c C` sL | j | j k r% | j � s% t Sn | j } | j | } | d | _ | S( uo Read one character from the stream or queue if available. Return EOF when EOF is reached. i ( RO RN t readChunkR R ( R RO t char( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyR^ � s c C` sd | d k r | j } n | j | j � \ | _ | _ d | _ d | _ d | _ | j j | � } | j r� | j | } d | _ n | s� t St | � d k r� t | d � } | d k s� d | k o� d k n r� | d | _ | d } q� n | j r$| j | � | j j d | � } n | j d d � } | j d d � } | | _ t | � | _ t S( Nu i i i����i i � i�� u �u u u ( R7 t _defaultChunkSizeRZ RN RQ RR R RO RL R% RS R5 R t ordRB RC t subt replacet True( R RN R) t lastv( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyR] s2 ( c C` s: x3 t t t j | � � � D] } | j j d � q Wd S( Nu invalid-codepoint( t rangeR t invalid_unicode_ret findallRP R( ( R R) R ( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyRD + s "c C` s t } x� t j | � D]� } | r( q n t | j � � } | j � } t j | | | d !� r� t j | | | d !� } | t k r� | j j d � n t } q | d k r� | d k r� | t | � d k r� | j j d � q t } | j j d � q Wd S( Ni u invalid-codepointi � i�� i ( R5 Rf t finditerR` t groupt startR t isSurrogatePairt surrogatePairToCodepointt non_bmp_invalid_codepointsRP R( Rc R ( R R) t skipt matcht codepointR t char_val( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyRH / s c C` s} y t | | f } Wn� t k r� x& | D] } t | � d k s+ t � q+ Wd j g | D] } d t | � ^ qZ � } | s� d | } n t j d | � } t | | f <n Xg } x� t ri| j | j | j � } | d k r� | j | j k r?Pq?nB | j � } | | j k r?| j | j | j | !� | | _ Pn | j | j | j � | j � s� Pq� q� Wd j | � } | S( u� Returns a string of characters from the stream up to but not including any character in 'characters' or EOF. 'characters' must be a container that supports the 'in' method and iteration over its characters. i� u u \x%02xu ^%su [%s]+N( t charsUntilRegExt KeyErrorR` R R+ RE RF Rc Ro R RO R7 RN t endR( R] ( R t characterst oppositet charst ct regexR- t mRt t r( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyt charsUntilF s2 , % c C` so | d k rk | j d k r= | | j | _ | j d 7_ qk | j d 8_ | j | j | k sk t � n d S( Ni i ( R7 RO R RN R ( R R^ ( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyt ungetu s N( R R R2 R_ R RM RK RZ R R^ R7 R] RD RH R5 R| R} ( ( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyR9 � s & ) /R: c B` s\ e Z d Z d e e d � Z d � Z d � Z e e d � Z d � Z d � Z d � Z RS( u� Provides a unicode stream of characters to the HTMLTokenizer. This class takes care of character encoding and removing or replacing incorrect byte-sequences and also provides column and line tracking. c C` s� | j | � | _ t j | | j � t | � d f | _ d | _ d | _ d | _ | j d d k r� | j | | � | _ n | j � d S( u Initialises the HTMLInputStream. HTMLInputStream(source, [encoding]) -> Normalized stream from source for use by html5lib. source can be either a file-object, local filename or a string. The optional encoding parameter must be a string that indicates the encoding. If specified, that encoding will be used, regardless of any BOM or later declaration (such as in a meta element) parseMeta - Look for a <meta> element containing encoding information u certaini id u windows-1252i N( RK t rawStreamR9 R t codecNameRJ t numBytesMetat numBytesChardett defaultEncodingR7 t detectEncodingRM ( R R; R< R= R> ( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyR � s c C` s6 t j | j d � | j d � | _ t j | � d S( Ni u replace( t codecst getreaderRJ R~ RL R9 RM ( R ( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyRM � s c C` sU t | d � r | } n t | � } y | j | j � � Wn t | � } n X| S( uv Produces a file object from source. source can be either a file object, local filename or a string. u read( R6 R R! R R ( R R; R ( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyRK � s c C` s� | j � } d } | d k r9 | r9 | j � } d } n | d k r8| r8d } y� y d d l m } Wn! t k r� d d l m } n Xg } | � } x[ | j s� | j j | j � } t | t � s� t � | s� Pn | j | � | j | � q� W| j � | j d } | j j d � Wq8t k r4q8Xn | d k rVd } | j } n i d d 6} | j � | k r�| | j � } n | | f S( Nu certainu tentativei ( t UniversalDetectoru encodingu windows-1252u iso-8859-1( t detectBOMR7 t detectEncodingMetat charade.universaldetectorR� t ImportErrort chardet.universaldetectort doneR~ R% R� R3 R$ R R( t feedt closet resultR! R� t lower( R R= R> R< t confidenceR� t bufferst detectorR t encodingSub( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyR� � sB c C` s� | j d d k s t � t | � } | d k r: d } n | d k rJ d S| | j d k rv | j d d f | _ nF | j j d � | j � | d f | _ t d | j d | f � � d S( Ni u certainu utf-16u utf-16-beu utf-16-leu utf-8i u Encoding changed from %s to %s( u utf-16u utf-16-beu utf-16-le( RJ R R R7 R~ R! RM R ( R t newEncoding( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyt changeEncoding� s c C` s� i d t j 6d t j 6d t j 6d t j 6d t j 6} | j j d � } t | t � s_ t � | j | d � } d } | s� | j | � } d } | s� | j | d � } d } q� n | j j | r� | p� d � | S( u� Attempts to detect at BOM at the start of the stream. If an encoding can be determined from the BOM return the name of the encoding otherwise return Noneu utf-8u utf-16-leu utf-16-beu utf-32-leu utf-32-bei i i i ( R� t BOM_UTF8t BOM_UTF16_LEt BOM_UTF16_BEt BOM_UTF32_LEt BOM_UTF32_BER~ R% R3 R$ R t getR! ( R t bomDictt stringR< R! ( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyR� s c C` sk | j j | j � } t | t � s* t � t | � } | j j d � | j � } | d k rg d } n | S( u9 Report the encoding declared by the meta element i u utf-16u utf-16-beu utf-16-leu utf-8( u utf-16u utf-16-beu utf-16-le( R~ R% R� R3 R$ R t EncodingParserR! t getEncoding( R R t parserR< ( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyR� ) s N( R R R2 R7 Rc R RM RK R� R� R� R� ( ( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyR: � s ( - t EncodingBytesc B` s� e Z d Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z d � Z e e e � Z d � Z e e � Z e d � Z d � Z d � Z d � Z RS( u� String-like object with an associated position and various extra methods If the position is ever greater than the string length then an exception is raisedc C` s+ t | t � s t � t j | | j � � S( N( R3 R$ R t __new__R� ( R t value( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyR� < s c C` s d | _ d S( Ni����( RZ ( R R� ( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyR @ s c C` s | S( N( ( R ( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyt __iter__C s c C` sS | j d } | _ | t | � k r/ t � n | d k rD t � n | | | d !S( Ni i ( RZ R t StopIterationR8 ( R t p( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyt __next__F s c C` s | j � S( N( R� ( R ( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyt nextN s c C` sY | j } | t | � k r$ t � n | d k r9 t � n | d | _ } | | | d !S( Ni i ( RZ R R� R8 ( R R� ( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyt previousR s c C` s+ | j t | � k r t � n | | _ d S( N( RZ R R� ( R R ( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyt setPosition[ s c C` s< | j t | � k r t � n | j d k r4 | j Sd Sd S( Ni ( RZ R R� R7 ( R ( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyt getPosition` s c C` s | | j | j d !S( Ni ( R ( R ( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyt getCurrentBytej s c C` sc | j } xJ | t | � k rU | | | d !} | | k rH | | _ | S| d 7} q W| | _ d S( u Skip past a list of charactersi N( R R RZ R7 ( R Rw R� Rx ( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyRn o s c C` sc | j } xJ | t | � k rU | | | d !} | | k rH | | _ | S| d 7} q W| | _ d S( Ni ( R R RZ R7 ( R Rw R� Rx ( ( sD /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/inputstream.pyt skipUntil{ s c C` sQ | j } | | | t | � !} | j | � } | rM | j t | � 7_ n | S( u� Look for a sequence of bytes at the start of a string. 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