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f d# � � YZ e j e � e j e � e j e! � e j e" � d e f d$ � � YZ# e# j e$ � d S(* s Abstract Base Classes (ABCs) for collections, according to PEP 3119.
DON'T USE THIS MODULE DIRECTLY! The classes here should be imported
via collections; they are defined here only to alleviate certain
bootstrapping issues. Unit tests are in test_collections.
i����( t ABCMetat abstractmethodNt Hashablet Iterablet Iteratort Sizedt Containert Callablet Sett
MutableSett Mappingt MutableMappingt MappingViewt KeysViewt ItemsViewt
ValuesViewt Sequencet MutableSequencec sC y! t � f d � | j D� � SWn t k
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t � d S( sK Return the next item from the iterator. When exhausted, raise StopIterationN( t
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� Z e Z d Z d � Z RS( sZ A set is a finite, iterable container.
This class provides concrete generic implementations of all
methods except for __contains__, __iter__ and __len__.
To override the comparisons (presumably for speed, as the
semantics are fixed), redefine __le__ and __ge__,
then the other operations will automatically follow suit.
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c C s8 t | t � s t St | � t | � k o7 | j | � S( N( R2 R R! R3 R6 ( R R4 ( ( s /usr/lib64/python2.7/_abcoll.pyt __eq__� s c C s | | k S( N( ( R R4 ( ( s /usr/lib64/python2.7/_abcoll.pyt __ne__� s c C s
| | � S( s� Construct an instance of the class from any iterable input.
Must override this method if the class constructor signature
does not accept an iterable for an input.
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} n | S( s+ Compute the hash value of a set.
Note that we don't define __hash__: not all sets are hashable.
But if you define a hashable set type, its __hash__ should
call this function.
This must be compatible __eq__.
All sets ought to compare equal if they contain the same
elements, regardless of how they are implemented, and
regardless of the order of the elements; so there's not much
freedom for __eq__ or __hash__. We match the algorithm used
by the built-in frozenset type.
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c B sk e Z d Z e d � � Z e d � � Z d � Z d � Z d � Z d � Z d � Z
d � Z d � Z RS(
s� A mutable set is a finite, iterable container.
This class provides concrete generic implementations of all
methods except for __contains__, __iter__, __len__,
add(), and discard().
To override the comparisons (presumably for speed, as the
semantics are fixed), all you have to do is redefine __le__ and
then the other operations will automatically follow suit.
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t � d S( s Add an element.N( t NotImplementedError( R R> ( ( s /usr/lib64/python2.7/_abcoll.pyt add& s c C s
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r5 t � n X| j | � | S( s2 Return the popped value. Raise KeyError if empty.( t iterR+ R* RX RW ( R R< R> ( ( s /usr/lib64/python2.7/_abcoll.pyt pop6 s
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r. n Xd S( s6 This is slow (creates N new iterators!) but effective.N( R R[ RX ( R ( ( s /usr/lib64/python2.7/_abcoll.pyt clear@ s
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s� A Mapping is a generic container for associating key/value
pairs.
This class provides concrete generic implementations of all
methods except for __getitem__, __iter__, and __len__.
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t | � S( s D.keys() -> list of D's keys( t list( R ( ( s /usr/lib64/python2.7/_abcoll.pyt keys� s c C s! g | D] } | | | f ^ q S( s8 D.items() -> list of D's (key, value) pairs, as 2-tuples( ( R Ra ( ( s /usr/lib64/python2.7/_abcoll.pyt items� s c C s g | D] } | | ^ q S( s D.values() -> list of D's values( ( R Ra ( ( s /usr/lib64/python2.7/_abcoll.pyt values� s c C s5 t | t � s t St | j � � t | j � � k S( N( R2 R
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d � Z d d � Z
RS( s� A MutableMapping is a generic container for associating
key/value pairs.
This class provides concrete generic implementations of all
methods except for __getitem__, __setitem__, __delitem__,
__iter__, and __len__.
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If key is not found, d is returned if given, otherwise KeyError is raised.
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r/ t � n X| | } | | =| | f S( s� D.popitem() -> (k, v), remove and return some (key, value) pair
as a 2-tuple; but raise KeyError if D is empty.
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r. n Xd S( s, D.clear() -> None. Remove all items from D.N( R Rx RX ( R ( ( s /usr/lib64/python2.7/_abcoll.pyR\ s
c O s | s t d � � n | d } | d } t | � d k rT t d t | � � � n | r� | d } t | t � r� xw | D] } | | | | <qz Wq� t | d � r� xF | j � D] } | | | | <q� Wq� x! | D] \ } } | | | <q� Wn x$ | j � D] \ } } | | | <q� Wd S( sK D.update([E, ]**F) -> None. Update D from mapping/iterable E and F.
If E present and has a .keys() method, does: for k in E: D[k] = E[k]
If E present and lacks .keys() method, does: for (k, v) in E: D[k] = v
In either case, this is followed by: for k, v in F.items(): D[k] = v
s@ descriptor 'update' of 'MutableMapping' object needs an argumenti i s+ update expected at most 1 arguments, got %dRi N( t TypeErrorR3 R2 R
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r) | | | <n X| S( s@ D.setdefault(k[,d]) -> D.get(k,d), also set D[k]=d if k not in D( RX ( R Ra Rc ( ( s /usr/lib64/python2.7/_abcoll.pyt
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N( R$ R% RQ R Ru Rv t objectRw R[ Rx R\ Rz R R{ ( ( ( s /usr/lib64/python2.7/_abcoll.pyR � s c B sJ e Z d Z e d � � Z d � Z d � Z d � Z d � Z d � Z RS( s� All the operations on a read-only sequence.
Concrete subclasses must override __new__ or __init__,
__getitem__, and __len__.
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Wt � d S( s| S.index(value) -> integer -- return first index of value.
Raises ValueError if the value is not present.
N( t enumeratet
ValueError( R R> R Rt ( ( s /usr/lib64/python2.7/_abcoll.pyR~ m s c s t � f d � | D� � S( sB S.count(value) -> integer -- return number of occurrences of valuec 3 s! | ] } | � k r d Vq d S( i N( ( R Rt ( R> ( s /usr/lib64/python2.7/_abcoll.pys <genexpr>x s ( t sum( R R> ( ( R> s /usr/lib64/python2.7/_abcoll.pyt countv s (
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c B st e Z d Z e d � � Z e d � � Z e d � � Z d � Z d � Z d � Z d d � Z
d � Z d
� Z RS( s� All the operations on a read-only sequence.
Concrete subclasses must provide __new__ or __init__,
__getitem__, __setitem__, __delitem__, __len__, and insert().
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t � d S( s5 S.insert(index, object) -- insert object before indexN( R} ( R R~ R> ( ( s /usr/lib64/python2.7/_abcoll.pyt insert� s c C s | j t | � | � d S( s< S.append(object) -- append object to the end of the sequenceN( R� R3 ( R R> ( ( s /usr/lib64/python2.7/_abcoll.pyt append� s c C sX t | � } xE t | d � D]3 } | | | d | | | | <| | | d <q Wd S( s! S.reverse() -- reverse *IN PLACE*i i N( R3 R� ( R RM R ( ( s /usr/lib64/python2.7/_abcoll.pyt reverse� s c C s" x | D] } | j | � q Wd S( sM S.extend(iterable) -- extend sequence by appending elements from the iterableN( R� ( R Rk Rt ( ( s /usr/lib64/python2.7/_abcoll.pyt extend� s
i����c C s | | } | | =| S( s� S.pop([index]) -> item -- remove and return item at index (default last).
Raise IndexError if list is empty or index is out of range.
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c C s | | j | � =d S( sv S.remove(value) -- remove first occurrence of value.
Raise ValueError if the value is not present.
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