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universaldetector.pyo
� ��abc @ s� d Z d d l Z d d l Z d d l Z d d l m Z d d l m Z m Z m Z d d l m Z d d l m Z d d l m Z d d l m Z d e f d � � YZ d S( s Module containing the UniversalDetector detector class, which is the primary class a user of ``chardet`` should use. :author: Mark Pilgrim (initial port to Python) :author: Shy Shalom (original C code) :author: Dan Blanchard (major refactoring for 3.0) :author: Ian Cordasco i����Ni ( t CharSetGroupProber( t InputStatet LanguageFiltert ProbingState( t EscCharSetProber( t Latin1Prober( t MBCSGroupProber( t SBCSGroupProbert UniversalDetectorc B s� e Z d Z d Z e j d � Z e j d � Z e j d � Z i d d 6d d 6d d 6d d 6d d 6d d 6d d 6d d 6Z e j d � Z d � Z d � Z d � Z RS( sq The ``UniversalDetector`` class underlies the ``chardet.detect`` function and coordinates all of the different charset probers. To get a ``dict`` containing an encoding and its confidence, you can simply run: .. code:: u = UniversalDetector() u.feed(some_bytes) u.close() detected = u.result g�������?s [�-�]s (|~{)s [�-�]s Windows-1252s iso-8859-1s Windows-1250s iso-8859-2s Windows-1251s iso-8859-5s Windows-1256s iso-8859-6s Windows-1253s iso-8859-7s Windows-1255s iso-8859-8s Windows-1254s iso-8859-9s Windows-1257s iso-8859-13c C sq d | _ g | _ d | _ d | _ d | _ d | _ d | _ | | _ t j t � | _ d | _ | j � d S( N( t Nonet _esc_charset_probert _charset_proberst resultt donet _got_datat _input_statet _last_chart lang_filtert loggingt getLoggert __name__t loggert _has_win_bytest reset( t selfR ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/chardet/universaldetector.pyt __init__Q s c C s� i d d 6d d 6d d 6| _ t | _ t | _ t | _ t j | _ d | _ | j rg | j j � n x | j D] } | j � qq Wd S( s� Reset the UniversalDetector and all of its probers back to their initial states. This is called by ``__init__``, so you only need to call this directly in between analyses of different documents. t encodingg t confidencet languaget N( R R t FalseR R R R t PURE_ASCIIR R R R R ( R t prober( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/chardet/universaldetector.pyR ^ s c C sy | j r d St | � s d St | t � s; t | � } n | j s{| j t j � rw i d d 6d d 6d d 6| _ n� | j t j t j f � r� i d d 6d d 6d d 6| _ n� | j d � r� i d d 6d d 6d d 6| _ nl | j d � ri d d 6d d 6d d 6| _ n< | j t j t j f � rOi d d 6d d 6d d 6| _ n t | _ | j d d k r{t | _ d Sn | j t j k r�| j j | � r�t j | _ q�| j t j k r�| j j | j | � r�t j | _ q�n | d | _ | j t j k r�| j s(t | j � | _ n | j j | � t j k rui | j j d 6| j j � d 6| j j d 6| _ t | _ qun� | j t j k ru| j! s�t" | j � g | _! | j t# j$ @r�| j! j% t& � � n | j! j% t' � � n x` | j! D]U } | j | � t j k r�i | j d 6| j � d 6| j d 6| _ t | _ Pq�q�W| j( j | � rut | _) qun d S( s� Takes a chunk of a document and feeds it through all of the relevant charset probers. After calling ``feed``, you can check the value of the ``done`` attribute to see if you need to continue feeding the ``UniversalDetector`` more data, or if it has made a prediction (in the ``result`` attribute). .. note:: You should always call ``close`` when you're done feeding in your document if ``done`` is not already ``True``. Ns UTF-8-SIGR g �?R R R s UTF-32s �� s X-ISO-10646-UCS-4-3412s ��s X-ISO-10646-UCS-4-2143s UTF-16i����(* R t lent isinstancet bytearrayR t startswitht codecst BOM_UTF8R t BOM_UTF32_LEt BOM_UTF32_BEt BOM_LEt BOM_BEt TrueR R R R t HIGH_BYTE_DETECTORt searcht HIGH_BYTEt ESC_DETECTORR t ESC_ASCIIR R R t feedR t FOUND_ITt charset_namet get_confidenceR R R R t NON_CJKt appendR R t WIN_BYTE_DETECTORR ( R t byte_strR ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/chardet/universaldetector.pyR1 o s~ c C s> | j r | j St | _ | j s5 | j j d � n1| j t j k rh i d d 6d d 6d d 6| _ n� | j t j k rfd } d } d } xD | j D]9 } | s� q� n | j � } | | k r� | } | } q� q� W| rf| | j k rf| j } | j j � } | j � } | j d � r?| j r?| j j | | � } q?n i | d 6| d 6| j d 6| _ qfn | j j � t j k r7| j d d k r7| j j d � x� | j D]� } | s�q�n t | t � rx^ | j D]+ } | j j d | j | j | j � � q�Wq�| j j d | j | j | j � � q�Wq7n | j S( s� Stop analyzing the current document and come up with a final prediction. :returns: The ``result`` attribute, a ``dict`` with the keys `encoding`, `confidence`, and `language`. s no data received!t asciiR g �?R R R g s iso-8859s no probers hit minimum thresholds %s %s confidence = %sN( R R R+ R R t debugR R R R. R R R4 t MINIMUM_THRESHOLDR3 t lowerR$ R t ISO_WIN_MAPt getR t getEffectiveLevelR t DEBUGR" R t probers( R t prober_confidencet max_prober_confidencet max_proberR R3 t lower_charset_nameR t group_prober( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/chardet/universaldetector.pyt close� s` ( R t __module__t __doc__R; t ret compileR, R/ R7 R= R t ALLR R R1 RG ( ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/chardet/universaldetector.pyR 3 s" m( RI R% R RJ t charsetgroupproberR t enumsR R R t escproberR t latin1proberR t mbcsgroupproberR t sbcsgroupproberR t objectR ( ( ( sI /usr/lib/python2.7/site-packages/pip/_vendor/chardet/universaldetector.pyt <module>$ s
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