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Edit File: cssselect.pyc
� �qPc @ s� d Z d d l Z d d l m Z y e d � Z Wn e k rQ e d � � n Xe j Z e j Z e j Z d d d d g Z d e j f d � � YZ d e e j f d � � YZ d � Z e j d � Z d e _ e e d <d e j f d � � YZ d S( s� CSS Selectors based on XPath. This module supports selecting XML/HTML tags based on CSS selectors. See the `CSSSelector` class for details. This is a thin wrapper around cssselect 0.7 or later. i����N( t etreet cssselectsN cssselect seems not to be installed. See http://packages.python.org/cssselect/t SelectorSyntaxErrort ExpressionErrort SelectorErrort CSSSelectort LxmlTranslatorc B s e Z d Z d � Z RS( sR A custom CSS selector to XPath translator with lxml-specific extensions. c C sd | j � d g d g f k r4 t d | j � � n | j d j } | j d | j | j � � � S( Nt STRINGt IDENTs9 Expected a single string or ident for :contains(), got %ri s7 contains(__lxml_internal_css:lower-case(string(.)), %s)( t argument_typesR t argumentst valuet add_conditiont xpath_literalt lower( t selft xpatht functionR ( ( s4 /usr/lib64/python2.7/site-packages/lxml/cssselect.pyt xpath_contains_function" s ( t __name__t __module__t __doc__R ( ( ( s4 /usr/lib64/python2.7/site-packages/lxml/cssselect.pyR s t LxmlHTMLTranslatorc B s e Z d Z RS( s) lxml extensions + HTML support. ( R R R ( ( ( s4 /usr/lib64/python2.7/site-packages/lxml/cssselect.pyR / s c C s | j � S( N( R ( t contextt s( ( s4 /usr/lib64/python2.7/site-packages/lxml/cssselect.pyt _make_lower_case5 s s http://codespeak.net/lxml/css/t __lxml_internal_csss lower-casec B s& e Z d Z d d d � Z d � Z RS( s� A CSS selector. Usage:: >>> from lxml import etree, cssselect >>> select = cssselect.CSSSelector("a tag > child") >>> root = etree.XML("<a><b><c/><tag><child>TEXT</child></tag></b></a>") >>> [ el.tag for el in select(root) ] ['child'] To use CSS namespaces, you need to pass a prefix-to-namespace mapping as ``namespaces`` keyword argument:: >>> rdfns = 'http://www.w3.org/1999/02/22-rdf-syntax-ns#' >>> select_ns = cssselect.CSSSelector('root > rdf|Description', ... namespaces={'rdf': rdfns}) >>> rdf = etree.XML(( ... '<root xmlns:rdf="%s">' ... '<rdf:Description>blah</rdf:Description>' ... '</root>') % rdfns) >>> [(el.tag, el.text) for el in select_ns(rdf)] [('{http://www.w3.org/1999/02/22-rdf-syntax-ns#}Description', 'blah')] t xmlc C s� | d k r t � } n6 | d k r0 t � } n | d k rN t d t � } n | j | � } t j j | | d | �| | _ d S( NR t htmlt xhtmlt namespaces( R R t Truet css_to_xpathR t XPatht __init__t css( R R# R t translatort path( ( s4 /usr/lib64/python2.7/site-packages/lxml/cssselect.pyR" X s c C s0 d | j j t t t | � � � d | j f S( Ns <%s %s for %r>i ( t __class__R t hext abst idR# ( R ( ( s4 /usr/lib64/python2.7/site-packages/lxml/cssselect.pyt __repr__c s N( R R R t NoneR" R* ( ( ( s4 /usr/lib64/python2.7/site-packages/lxml/cssselect.pyR = s ( R t syst lxmlR t __import__t external_cssselectt ImportErrorR R R t __all__t GenericTranslatorR t HTMLTranslatorR R t FunctionNamespacet nst prefixR! R ( ( ( s4 /usr/lib64/python2.7/site-packages/lxml/cssselect.pyt <module> s$