qJc
@ s d Z d d k Z d d k l Z d d d g Z y
e Z Wn e j
o
e Z n Xd e f d YZ
d e f d YZ d e i
f d YZ y e Z e Z Wn e j
o e Z e Z n Xd
e f d YZ d e f d
YZ d e f d YZ d e f d YZ d e f d YZ d e f d YZ d Z e i d Z d e _ e e d d? g i- Z= d@ Z> dA Z? e i% dB e i& Z@ dC ZA dD e f dE YZB d S(F s CSS Selectors based on XPath.
This module supports selecting XML/HTML tags based on CSS selectors.
See the `CSSSelector` class for details.
iN( t etreet SelectorSyntaxErrort ExpressionErrort CSSSelectorc B s e Z RS( ( t __name__t
__module__( ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR s c B s e Z RS( ( R R ( ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR s c B s e Z d Z d Z d Z RS( s A CSS selector.
Usage::
>>> from lxml import etree, cssselect
>>> select = cssselect.CSSSelector("a tag > child")
>>> root = etree.XML("TEXT")
>>> [ el.tag for el in select(root) ]
['child']
c C s, t | } t i i | | | | _ d S( N( t css_to_xpathR t XPatht __init__t css( t selfR t path( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR $ s c C s0 d | i i t t t | d | i f S( Ns <%s %s for %r>i ( t __class__R t hext abst idR ( R
( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyt __repr__) s ( R R t __doc__R R ( ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR s t _UniTokenc B s e Z d Z d Z RS( c C s t i | | } | | _ | S( N( t _unicodet __new__t pos( t clst contentsR t obj( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR ; s c C s# d | i i t i | | i f S( Ns
%s(%s, %r)( R R R R R ( R
( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR @ s ( R R R R ( ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR : s t Symbolc B s e Z RS( ( R R ( ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR F s t Stringc B s e Z RS( ( R R ( ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR I s t Tokenc B s e Z RS( ( R R ( ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR L s t Classc B s) e Z d Z d Z d Z d Z RS( s(
Represents selector.class_name
c C s | | _ | | _ d S( N( t selectort
class_name( R
R R ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR [ s c C s d | i i | i | i f S( Ns %s[%r.%s]( R R R R ( R
( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR _ s c C s5 | i i } | i d t d | i d | S( Ns7 contains(concat(' ', normalize-space(@class), ' '), %s)t ( R t xpatht
add_conditiont
xpath_literalR ( R
t sel_xpath( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR e s ( R R R R R R ( ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR V s t Functionc B sw e Z d Z d d d d g Z d Z d Z d Z e e d Z d Z
d
Z d Z d Z
d
Z RS( s(
Represents selector:name(expr)
t targett langt enabledt disabledc C s( | | _ | | _ | | _ | | _ d S( N( R t typet namet expr( R
R R) R* R+ ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR s s c C s) d | i i | i | i | i | i f S( Ns %s[%r%s%s(%r)]( R R R R) R* R+ ( R
( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR y s c C s | i i } | i | i j o t d | i n d | i i d d } t | | p t d | i n t | | } | | | i S( Ns$ The psuedo-class %r is not supportedt _xpath_t -t _s The psuedo-class %r is unknown( R R R* t unsupportedR t replacet hasattrt getattrR+ ( R
t sel_patht method( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR s c C su t | \ } } | o" | o | o | i d | S| o | i n | i | d j o+ | o d | } n | i d | | S| o | } | } n | d j o t | } n d | } | d j o d | | f g } n g } | d j o | i d | n* | d j o | o | i d | n d
i | } | o | i | n | S( Ns false() and position() = 0i s last() - %ss position() = %ss +%si s (position() %s) mod %s = 0s position() >= %ss position() < (last() %s)s and ( t parse_seriesR! t
add_name_testt add_star_prefixt strt appendt join( R
R R+ t lastR6 t at bt b_neg( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyt _xpath_nth_child s:
c C s | i | | d t S( NR; ( R? t True( R
R R+ ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyt _xpath_nth_last_child s c C s6 | i d j o t d n | i | | d t S( Nt *s" *:nth-of-type() is not implementedR6 ( t elementt NotImplementedErrorR? t False( R
R R+ ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyt _xpath_nth_of_type s
c C s | i | | d t d t S( NR; R6 ( R? R@ RE ( R
R R+ ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyt _xpath_nth_last_of_type s c C sA t | t o | i } n | i d t | i | S( Ns' contains(css:lower-case(string(.)), %s)( t
isinstancet Elementt _format_elementR! R" t lower( R
R R+ ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyt _xpath_contains s
c C s* | i } | i } | i d | | S( Ns not(%s)( R t conditionR! ( R
R R+ t cond( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyt
_xpath_not s ( R R R R/ R R R RE R@ R? RA RF RG RL RO ( ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR$ k s * c C s
| i S( N( RK ( t contextt s( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyt _make_lower_case s s http://codespeak.net/lxml/css/R s
lower-caset Pseudoc B s e Z d Z d d d d d d d d d d
d g Z d Z d
Z d Z d Z d Z d Z d Z
d Z d Z d Z
d Z d Z RS( s#
Represents selector:ident
t
indeterminates
first-lines first-lettert selectiont beforet aftert linkt visitedt activet focust hoverc C s | | _ | | _ | | _ d S( N( RC R) t ident( R
RC R) R] ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR s c C s# d | i i | i | i | i f S( Ns
%s[%r%s%s]( R R RC R) R] ( R
( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR s c C s | i i } | i | i j o t d | i n d | i i d d } t | | p t d | i n t | | } | | } | S( Ns" The psuedo-class %r is unsupportedR, R- R. s The psuedo-class %r is unknown( RC R R] R/ R R0 R1 R2 ( R
t el_xpathR4 ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR s c C s | i d | S( NsE (@selected or @checked) and (name(.) = 'input' or name(.) = 'option')( R! ( R
R ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyt _xpath_checked s
c C s
t d S( N( RD ( R
R ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyt _xpath_root s c C s% | i | i | i d | S( Ns position() = 1( R7 R6 R! ( R
R ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyt _xpath_first_child s
c C s% | i | i | i d | S( Ns position() = last()( R7 R6 R! ( R
R ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyt _xpath_last_child s
c C s; | i d j o t d n | i | i d | S( NRB s" *:first-of-type is not implementeds position() = 1( RC RD R7 R! ( R
R ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyt _xpath_first_of_type s
c C s; | i d j o t d n | i | i d | S( NRB s! *:last-of-type is not implementeds position() = last()( RC RD R7 R! ( R
R ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyt _xpath_last_of_type s
c C s% | i | i | i d | S( Ns
last() = 1( R6 R7 R! ( R
R ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyt _xpath_only_child! s
c C s1 | i d j o t d n | i d | S( NRB s! *:only-of-type is not implementeds
last() = 1( RC RD R! ( R
R ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyt _xpath_only_of_type' s
c C s | i d | S( Ns! not(*) and not(normalize-space())( R! ( R
R ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyt _xpath_empty. s
( R R R R/ R R R R_ R` Ra Rb Rc Rd Re Rf Rg ( ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyRS s
t Attribc B s; e Z d Z d Z d Z d Z d Z d Z RS( s>
Represents selector[namespace|attrib operator value]
c C s1 | | _ | | _ | | _ | | _ | | _ d S( N( R t namespacet attribt operatort value( R
R Ri Rj Rk Rl ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR 7 s
c C sa | i d j o! d | i i | i | i f Sd | i i | i | i | i | i f Sd S( Nt existss
%s[%r[%s]]s %s[%r[%s %s %r]]( Rk R R R t _format_attribRl ( R
( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR > s c C s0 | i d j o | i Sd | i | i f Sd S( NRB s %s|%s( Ri Rj ( R
( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyRn L s c C s4 | i d j o d | i Sd | i | i f Sd S( NRB t @s @%s:%s( Ri Rj ( R
( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyt
_xpath_attribR s c C s | i i } | i } | i } | i d j o | i | n| i d j o! | i d | t | f nz| i d j oL | o$ | i d | | t | f q| i d | t | f n | i d j o) | i d | t d | d f n | i d
j o1 | i d | t | | t | d f n | i d
j o! | i d | t | f ns | i d j o1 | i d | | t | d t | f n2 | i d j o! | i d | t | f n | S( NRm t =s %s = %ss !=s not(%s) or %s != %ss %s != %ss ~=s3 contains(concat(' ', normalize-space(%s), ' '), %s)R s |=s %s = %s or starts-with(%s, %s)R- s ^=s starts-with(%s, %s)s $=s( substring(%s, string-length(%s)-%s) = %si s *=s contains(%s, %s)( R R Rp Rl Rk R! R" t len( R
R Rj Rl ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR Y s< ) ( ( R R R R R Rn Rp R ( ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyRh 2 s RI c B s2 e Z d Z d Z d Z d Z d Z RS( s&
Represents namespace|element
c C s | | _ | | _ d S( N( Ri RC ( R
Ri RC ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR s c C s d | i i | i f S( Ns %s[%s]( R R RJ ( R
( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR s c C s0 | i d j o | i Sd | i | i f Sd S( NRB s %s|%s( Ri RC ( R
( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyRJ s c C sF | i d j o | i i } n d | i | i f } t d | S( NRB s %s:%sRC ( Ri RC RK t XPathExpr( R
t el( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR s ( R R R R R RJ R ( ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyRI s
t Hashc B s) e Z d Z d Z d Z d Z RS( s
Represents selector#id
c C s | | _ | | _ d S( N( R R ( R
R R ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR s c C s d | i i | i | i f S( Ns %s[%r#%s]( R R R R ( R
( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR s c C s- | i i } | i d t | i | S( Ns @id = %s( R R R! R" R ( R
R ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR s ( R R R R R R ( ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyRu s t Orc B s# e Z d Z d Z d Z RS( c C s
| | _ d S( N( t items( R
Rw ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR s c C s d | i i | i f S( Ns %s(%r)( R R Rw ( R
( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR s c C s4 g } | i D] } | | i q ~ } t | S( N( Rw R t XPathExprOr( R
t _[1]t itemt paths( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR s *( R R R R R ( ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyRv s t CombinedSelectorc B si e Z h d d 6d d 6d d 6d d 6Z d Z d Z d
Z d Z d Z d
Z d Z RS( t
descendantR t childt >t direct_adjacentt +t indirect_adjacentt ~c C s | | _ | | _ | | _ d S( N( R t
combinatort subselector( R
R R R ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR s c C sC | i d j o
d } n
| i } d | i i | i | | i f S( NR s
s %s[%r %s %r]( R R R R R ( R
t comb( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR s
c C sl | i | i j o t d | i n d | i | i } t | | } | i i } | | | i S( Ns Unknown combinator: %rR, ( R t _method_mappingR R2 R R R ( R
R4 R ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR s c C s | i d | i | S( Ns
/descendant::( R: R ( R
R t sub( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyt _xpath_descendant s c C s | i d | i | S( Nt /( R: R ( R
R R ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyt _xpath_child s c C s1 | i d | i | i | i d | S( Ns /following-sibling::s position() = 1( R: R R6 R! ( R
R R ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyt _xpath_direct_adjacent s
c C s | i d | i | S( Ns /following-sibling::( R: R ( R
R R ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyt _xpath_indirect_adjacent s (
R R R R R R R R R R ( ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR| s
s ^\w+\s*$s ^(\w*)#(\w+)\s*$s ^(\w*)\.(\w+)\s*$s descendant-or-self::c C s t | t o t i | } | d j o d | | i d i f St i | } | d j o+ d | | i d p d | i d f St i | } | d j o+ d | | i d p d | i d f St | } n | i
} | o | i | n t | S( Ns %s%si s %s%s[@id = '%s']i RB i sA %s%s[contains(concat(' ', normalize-space(@class), ' '), ' %s ')](
RH t _basestringt _el_ret searcht Nonet groupt stript _id_ret _class_ret parseR t
add_prefixR ( t css_exprt prefixt matchR+ ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR s"
(
( Rs c B sh e Z d
d
d d
e d Z d Z d Z d Z d Z d Z d Z
d Z d Z RS( RB c C s1 | | _ | | _ | | _ | | _ | | _ d S( N( R R RC RM t star_prefix( R
R R RC RM R ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR s
c C s d } | i d j o | t | i 7} n | i d j o | t | i 7} n | t | i 7} | i o | d | i 7} n | S( Nt s [%s]( R R R R RC RM ( R
R ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyt __str__ s
c C s d | i i | f S( Ns %s[%s]( R R ( R
( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR ( s c C s1 | i o d | i | f | _ n
| | _ d S( Ns %s and (%s)( RM ( R
RM ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR! , s
c C s? | i d j o | i | _ n | i | i 7_ | | _ d S( N( R R RC ( R
t part( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyt add_path2 s c C s+ | i o | | i | _ n
| | _ d S( N( R ( R
R ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR 9 s
c C s< | i d j o d S| i d t | i d | _ d S( NRB s name() = %s( RC R! R" ( R
( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR6 ? s c C s3 | i o | i d 7_ n
d | _ t | _ d S( s
Adds a /* prefix if there is no prefix. This is when you need
to keep context's constrained to a single parent.
s */N( R R@ R ( R
( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR7 F s
c C s t | } | | 7} | i p d | i p d } | i o | d j o
d } n | | _ | | _ | i | _ | i | _ d S( NR s */( R R R R RC RM ( R
t combinert otherR R ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR: Q s
N(
R R R RE R R R R! R R R6 R7 R: ( ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyRs s Rx c B s# e Z d Z d d Z d Z RS( s
Represents |'d expressions. Note that unfortunately it isn't
the union, it's the sum, so duplicate elements will appear.
c C s' x | D] } q W| | _ | | _ d S( N( Rw R ( R
Rw R Rz ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR d s
c C sE | i p d } d i g } | i D] } | d | | f q$ ~ S( NR s | s %s%s( R R: Rw ( R
R Ry t i( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR j s N( R R R R R R ( ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyRx ^ s s ('+)c C s t | t o | i } n
t | } d | j o d | } ns d | j o d | } nX d d i g } t | D]0 } | o# | d | j o d p d | q| q| ~ } | S( Nt 's '%s't "s "%s"s
concat(%s)t ,( RH RI RJ R R: t split_at_single_quotes( RQ Ry R ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR" p s
Gc C s t t | } | | _ y t | SWn t j
oz d d k } | i d } d | | i | i f } | | _ | i
d j o
| | _ n t | g | _
n Xd S( Nii s %s at %s -> %ri i ( i i ( t TokenStreamt tokenizet sourcet parse_selector_groupR t syst exc_infot usedt peekt msgt version_infot messaget tuplet args( t stringt streamR t eR ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR s
c C sk g } x8 | i t | | i d j o | i q Pq t | d j o | d St | Sd S( NR i i ( R9 t parse_selectorR t nextRr Rv ( R t result( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR s c C s t | } x | i } | d j p
| d j o | S| d j o | i } n d } t | i } t | } | t | i j o t d | i n t | | | } q | S( NR R R R R s Expected selector, got '%s'( R R R ( t parse_simple_selectorR R R Rr R R R| ( R R R R t consumedt
next_selector( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR s
c
C sC | i } | d j o t | t o d } } n | i } | d j o% t | t o t d | n | i d j oR | } | i | i } | d j o% t | t o t d | q n
d } | } t | | } t } x@| i } | d j o8 | o Pn | i t | | i } t } q q | d j o& | i t | | i } q q | d j oM | i t
| | } | i } | d j p t d | q q q | d j p
| d
j o)| i } | i } t | t p t d | n | i d j o | i | i } t | t o | i } n@ t | t o# t | o t
| i } n
t | } | i } | d j p t d
| | f n t | | | | } q t | | | } q q | d j o | i n Pq | S( NRB s Expected symbol, got '%s't |t #t .t [t ]s ] expected, got '%s't :s ::t (t )s Expected ')', got '%s' and '%s'R ( R RH R R R RI RE Ru R@ R t parse_attribR t is_intt intR R$ RS (
R R RC Ri R R t has_hashR) R] R ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR s
c C s- y t | Wn t j
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ValueErrorRE R@ ( t v( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR s
c C s | i } | i d j o | } | i | i } n d } | i d j o t | | | d d S| i } | d j o t d | n | i } t | t t f p t d
| n t | | | | | S( NR RB R Rm s ^=s $=s *=Rq s ~=s |=s !=s Operator expected, got '%s's# Expected string or symbol, got '%s'( s ^=s $=s *=Rq s ~=s |=s !=( R R Rh R R RH R R ( R R Rj Ri t opRl ( ( s4 /usr/lib64/python2.6/site-packages/lxml/cssselect.pyR s"
c C sa t | t o | i } n | p
| d j o d St | t o d | f S| d j o d S| d j o d
S| d j o d Sd | j o d t | f S| i d d \ } } | p
d } n; | d j p
| d j o t | d
} n
t | } | p
d } n; | d j p
| d j o t | d
} n
t | } | | f S( sJ
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