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SequenceErrorc B s e Z d Z RS( s@ Raised when the sequence isn't proper for translation to ranges.( t __name__t
__module__t __doc__( ( ( s@ /usr/lib/python2.7/dist-packages/landscape/lib/sequenceranges.pyR s t SequenceRangesc B sk e Z d Z d „ Z e d „ ƒ Z e d „ ƒ Z d „ Z d „ Z d „ Z d „ Z
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sZ High level interface to ranges.
A ranges list represent a sequence of ordered and non-repeating
elements into a more compact format, by representing 3 or more
consecutive entries by a range.
This means that a sequence such as
[1, 2, 4, 5, 6, 8, 10, 11, 12, 14]
becomes
[1, 2, (4, 6), 8, (10, 12), 14]
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from_sequence s c C s | ƒ } | | j (| S( N( R ( R t rangesR ( ( s@ /usr/lib/python2.7/dist-packages/landscape/lib/sequenceranges.pyt from_ranges s
c C s t t | j ƒ ƒ S( N( t listt ranges_to_sequenceR ( R ( ( s@ /usr/lib/python2.7/dist-packages/landscape/lib/sequenceranges.pyt to_sequence& s c C s
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t | j ƒ S( N( R R ( R ( ( s@ /usr/lib/python2.7/dist-packages/landscape/lib/sequenceranges.pyt __iter__, s c C sq t | j | ƒ } | t | j ƒ k rm | j | } t | t ƒ rc | d | k o` | d k SS| | k St S( Ni i ( t find_ranges_indexR t lent
isinstancet tuplet False( R t itemt indext test( ( s@ /usr/lib/python2.7/dist-packages/landscape/lib/sequenceranges.pyt __contains__/ s
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add_to_rangesR ( R R ( ( s@ /usr/lib/python2.7/dist-packages/landscape/lib/sequenceranges.pyt add8 s c C s t | j | ƒ d S( N( t remove_from_rangesR ( R R ( ( s@ /usr/lib/python2.7/dist-packages/landscape/lib/sequenceranges.pyt remove; s (
R R R R t classmethodR R R R R R R R ( ( ( s@ /usr/lib/python2.7/dist-packages/landscape/lib/sequenceranges.pyR s c c s, t | ƒ } y | j ƒ } } Wn t k
r4 d SXxð | d k r'y | j ƒ } Wn t k
rm d } n X| | d k r‹ | d 7} q8 | d k rÞ | | k rÞ | | k rÈ t d | | f ƒ ‚ qÞ t d | f ƒ ‚ n | | k rò | Vn( | | d k r| V| Vn | | f V| } } q8 Wd S( s9 Iterate over range items that compose the given sequence.Ni s Sequence is unordered (%r < %r)s Found duplicated item (%r)( t itert nextt
StopIterationt NoneR ( R
t iteratort range_startt
range_stopR ( ( s@ /usr/lib/python2.7/dist-packages/landscape/lib/sequenceranges.pyR ? s0
c c sW xP | D]H } t | t ƒ rJ x0 t | d | d d ƒ D] } | Vq8 Wq | Vq Wd S( s; Iterate over individual items represented in a ranges list.i i N( R R t xrange( R
R ( ( s@ /usr/lib/python2.7/dist-packages/landscape/lib/sequenceranges.pyR _ s
" c C s‚ d } t | ƒ } xi | | k r} | | d } | | } y | d } Wn t k
rZ n X| | k rt | d } q | } q W| S( s' Find the index where an entry *may* be.i i i ( R t TypeError( R
R t lot hit midR ( ( s@ /usr/lib/python2.7/dist-packages/landscape/lib/sequenceranges.pyR j s
c C sà t | | ƒ } } } | } } t | ƒ } | | k r | | } t | t ƒ r} | d | k oq | d k n r d Sq | | k r d Sn xz | d k r | | d } t | t ƒ rá | d | d k rÔ Pn | d } n | | d k rõ Pn | d 8} | d 8} q“ Wxv | | k r…| | } t | t ƒ rZ| d | d k rMPn | d } n | | d k rnPn | d 7} | d 7} qW| | d k r©| j | | ƒ n | | f f | | | +d S( s. Insert item in ranges, reorganizing as needed.i i Ni ( R R R R t insert( R
R t index_startt
index_stopR R' R( t
ranges_lenR ( ( s@ /usr/lib/python2.7/dist-packages/landscape/lib/sequenceranges.pyR | sB
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c C s t | | ƒ } t | ƒ } | | k r | | } t | t ƒ r| \ } } | | k r| | d k r t | d | d ƒ | | | d +n | d | f f | | | d +| | d k rã | | k rý t | | ƒ | | | +qý q | | d f f | | | +qq | | k r | | =q n d S( s0 Remove item from ranges, reorganizing as needed.i i N( R R R R t range( R
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% N( t ExceptionR t objectR R R R R R ( ( ( s@ /usr/lib/python2.7/dist-packages/landscape/lib/sequenceranges.pyt <module> s 8 1