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� ��abc ! @` s� d d l m Z m Z m Z d d l m Z m Z d d l m Z m Z d d l Z d d l Z d d l m Z d d l m Z m Z m Z m Z d d l 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 Xe g e D] Z e j d � ^ q� � Z e g e D] Z e j d � ^ q"� Z e g e D] Z e j d � ^ qJ� Z e e d d g � BZ d Z! e j" r�e j# e! d e$ d � 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+ 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_typet binary_type( t http_clientt urllibN( t webencodingsi ( t EOFt spaceCharacterst asciiLetterst asciiUppercase( t ReparseException( t _utils( t StringIO( t BytesIOu asciit >t <u� [- - --]i����u "\uD800-\uDFFF"u ]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 ( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyt __init__@ 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( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyt tellE s c C` s` | } d } x> t | j | � | k rL | t | j | � 8} | d 7} q W| | g | _ d S( Ni i ( R R R ( R R t offsett i( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyt seekL 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( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyt readU s c C` s& t g | j D] } t | � ^ q � S( N( t sumR R ( R t item( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyt _bufferedBytes^ 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( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyR a s c C` s | } g } | j d } | j d } x� | t | j � k r� | d k r� | 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 t join( R R! t remainingBytest rvt bufferIndext bufferOffsett bufferedDatat bytesToRead( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyR h s$ $ ( t __name__t __module__t __doc__R R R R" R% R R ( ( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyR 9 s c K` s� t | t j � s< t | t j j � rE t | j t j � rE t } n9 t | d � ro t | j d � t � } n t | t � } | r� g | D] } | j d � r� | ^ q� } | r� t d | � � n t | | � St | | � Sd S( Nu readi u _encodingu3 Cannot set an encoding with a unicode input, set %r( t isinstanceR t HTTPResponseR t responset addbaset fpt Falset hasattrR" R t endswitht TypeErrort HTMLUnicodeInputStreamt HTMLBinaryInputStream( t sourcet kwargst isUnicodet xt encodings( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyt HTMLInputStream� s ( R< 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 | _ n- t d � d k r6 | j | _ n | j | _ d g | _ t d � d f | _ | 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) u i i u utf-8u certainN( R t supports_lone_surrogatest Nonet reportCharacterErrorsR t characterErrorsUCS4t characterErrorsUCS2t newLinest lookupEncodingt charEncodingt openStreamt dataStreamt reset( R R> ( ( sE /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 prevNumColsRE t _bufferedCharacter( R ( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyRN � 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( R9 R ( R R> R ( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyRL � 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 countRR t rfindRS ( R R R t nLinest positionLinet lastLinePost positionColumn( ( sE /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 ( R[ RP ( R t linet col( ( sE /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 ( RP RO t readChunkR R ( R RP t char( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyR_ � s c C` sO | 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 | � n | j d d � } | j d d � } | | _ t | � | _ t S( Nu i i i����i i � i�� u u u ( RE t _defaultChunkSizeR[ RO RR RS R RP RM R" RT R8 R t ordRF t replacet True( R RO R' t lastv( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyR^ � s0 ( c C` s: x3 t t t j | � � � D] } | j j d � q Wd S( Nu invalid-codepoint( t rangeR t invalid_unicode_ret findallRQ R& ( R R' t _( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyRG % 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 ( R8 Rf t finditerRa t groupt startR t isSurrogatePairt surrogatePairToCodepointt non_bmp_invalid_codepointsRQ R& Rc R ( R R' t skipt matcht codepointR t char_val( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyRH ) s c C` sT y t | | f } Wnq t k r� d j g | D] } d t | � ^ q1 � } | sc d | } n t j d | � } t | | f <n Xg } x� t r@| j | j | j � } | d k r� | j | j k rPqnB | 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. u u \x%02xu ^%su [%s]+N( t charsUntilRegExt KeyErrorR) Ra t ret compileRc Rp R RP RE RO t endR& R^ ( R t characterst oppositet charst ct regexR+ t mRw t r( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyt charsUntil@ s. , % c C` sS | d k rO | j d k r= | | j | _ | j d 7_ qO | j d 8_ n d S( Ni i ( RE RP R RO ( R R_ ( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyt ungeto s N( R0 R1 R2 R` R RN RL R[ R R_ RE R^ RG RH R8 R R� ( ( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyR< � s & /R= c B` sb e Z d Z d d d d d e d � Z d � Z d � Z 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. u windows-1252c C` s� | j | � | _ t j | | j � d | _ 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) i id N( RL t rawStreamR< R t numBytesMetat numBytesChardett override_encodingt transport_encodingt same_origin_parent_encodingt likely_encodingt default_encodingt determineEncodingRK RN ( R R> R� R� R� R� R� t useChardet( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyR � s c C` s3 | j d j j | j d � | _ t j | � d S( Ni u replace( RK t codec_infot streamreaderR� RM R< RN ( R ( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyRN � 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( R9 R R R R ( R R> R ( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyRL � s c C` s | j � d f } | d d k r& | St | j � d f } | d d k rO | St | j � d f } | d d k rx | S| j � d f } | d d k r� | St | j � d f } | d d k r� | d j j d � r� | St | j � d f } | d d k r| S| r�y d d l m } Wn t k r4q�Xg } | � } xF | j s�| j j | j � } | soPn | j | � | j | � qGW| j � t | j d � } | j j d � | d k r�| d f Sn t | j � d f } | d d k r�| St d � d f S( Nu certaini u tentativeu utf-16( t UniversalDetectoru encodingu windows-1252( t detectBOMRE RJ R� R� t detectEncodingMetaR� t namet startswithR� t chardet.universaldetectorR� t ImportErrort doneR� R" R� R& t feedt closet resultR R� ( R t chardetRK R� t bufferst detectorR t encoding( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyR� � sP ' c C` s� t | � } | d k r d S| j d k r: t d � } nr | | j d k rf | j d d f | _ nF | j j d � | d f | _ | j � t d | j d | f � � d S( Nu utf-16beu utf-16leu utf-8i u certainu Encoding changed from %s to %s( u utf-16beu utf-16le( RJ RE R� RK R� R RN R ( R t newEncoding( ( sE /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 � } | j | d � } d } | s� | j | � } d } | s� | j | d � } d } q� n | r� | j j | � t | � S| j j d � d Sd 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-16leu utf-16beu utf-32leu utf-32bei i i i N( t codecst BOM_UTF8t BOM_UTF16_LEt BOM_UTF16_BEt BOM_UTF32_LEt BOM_UTF32_BER� R" t getR RJ RE ( R t bomDictt stringR� R ( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyR� s$ c C` sk | j j | j � } t | � } | j j d � | j � } | d k rg | j d k rg t d � } n | S( u9 Report the encoding declared by the meta element i u utf-16beu utf-16leu utf-8N( u utf-16beu utf-16le( R� R" R� t EncodingParserR t getEncodingRE R� RJ ( R R t parserR� ( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyR� 9 s N( R0 R1 R2 RE Rc R RN RL R� R� R� R� ( ( ( sE /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 j | | j � � S( N( R! t __new__t lower( R t value( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyR� L s c C` s d | _ d S( Ni����( R[ ( R R� ( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyR P s c C` s | S( N( ( R ( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyt __iter__T s c C` sS | j d } | _ | t | � k r/ t � n | d k rD t � n | | | d !S( Ni i ( R[ R t StopIterationR; ( R t p( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyt __next__W s c C` s | j � S( N( R� ( R ( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyt next_ s c C` sY | j } | t | � k r$ t � n | d k r9 t � n | d | _ } | | | d !S( Ni i ( R[ R R� R; ( R R� ( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyt previousc s c C` s+ | j t | � k r t � n | | _ d S( N( R[ R R� ( R R ( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyt setPositionl s c C` s< | j t | � k r t � n | j d k r4 | j Sd Sd S( Ni ( R[ R R� RE ( R ( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyt getPositionq s c C` s | | j | j d !S( Ni ( R ( R ( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyt getCurrentByte{ 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 R[ RE ( R Rz R� R{ ( ( sE /usr/lib/python2.7/site-packages/pip/_vendor/html5lib/_inputstream.pyRo � s c C` sc | j } xJ | t | � k rU | | | d !} | | k rH | | _ | S| d 7} q W| | _ d S( Ni ( R R R[ RE ( R Rz R� R{ ( ( sE /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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