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Given a list of integers, made up of (hopefully) a small number of long runs
of consecutive integers, compute a representation of the form
((start1, end1), (start2, end2) ...). Then answer the question "was x present
in the original list?" in time O(log(# runs)).
éN)ÚListÚTuple.)Úlist_ÚreturncCsŒt|ƒ}g}d}xrtt|ƒƒD]b}|dt|ƒkrL||||ddkrLq||d|d…}|jt|d|ddƒƒ|}qWt|ƒS)aRepresent a list of integers as a sequence of ranges:
    ((start_0, end_0), (start_1, end_1), ...), such that the original
    integers are exactly those x such that start_i <= x < end_i for some i.

    Ranges are encoded as single integers (start << 32 | end), not as tuples.
    éréÿÿÿÿr)ÚsortedÚrangeÚlenÚappendÚ
_encode_rangeÚtuple)rÚsorted_listÚrangesÚ
last_writeÚiÚ
current_range©rú./tmp/pip-build-gk9425m9/idna/idna/intranges.pyÚintranges_from_listsr)ÚstartÚendrcCs|d>|BS)Né r)rrrrrr sr)ÚrrcCs|d?|d@fS)Nrrllÿÿr)rrrrÚ
_decode_range#sr)Úint_rrcCszt|dƒ}tj||ƒ}|dkrNt||dƒ\}}||koD|knrNdS|t|ƒkrvt||ƒ\}}||krvdSdS)z=Determine if `int_` falls into one of the ranges in `ranges`.rrTF)rÚbisectÚbisect_leftrr
)rrÚtuple_ÚposÚleftÚrightÚ_rrrÚintranges_contain's
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