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:codeauthor: Pedro Algarvio (pedro@algarvio.me)
salt.utils.odict
~~~~~~~~~~~~~~~~
This is a compatibility/"importability" layer for an ordered dictionary.
Tries to import from the standard library if python >= 2.7, then from the
``ordereddict`` package available from PyPi, and, as a last resort,
provides an ``OrderedDict`` implementation based on::
http://code.activestate.com/recipes/576669/
It also implements a DefaultOrderedDict Class that serves as a
combination of ``OrderedDict`` and ``defaultdict``
It's source was submitted here::
http://stackoverflow.com/questions/6190331/
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| | � d S( u� Initialize an ordered dictionary. Signature is the same as for
regular dictionaries, but keyword arguments are not recommended
because their insertion order is arbitrary.
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c C@ s\ | | k rH | j } | d } | | | g | d <| d <| j | <n | | | | � d S( u! od.__setitem__(i, y) <==> od[i]=yi i N( R R ( R t keyt valuet dict_setitemR t last( ( s4 /usr/lib/python2.7/site-packages/salt/utils/odict.pyt __setitem__^ s
)c C@ s@ | | | � | j j | � \ } } } | | d <| | d <d S( u od.__delitem__(y) <==> del od[y]i i N( R t pop( R R t dict_delitemt link_prevt link_next( ( s4 /usr/lib/python2.7/site-packages/salt/utils/odict.pyt __delitem__h s
c c@ s= | j } | d } x# | | k r8 | d V| d } q Wd S( u od.__iter__() <==> iter(od)i i N( R ( R R t curr( ( s4 /usr/lib/python2.7/site-packages/salt/utils/odict.pyt __iter__q s
c c@ s= | j } | d } x# | | k r8 | d V| d } q Wd S( u# od.__reversed__() <==> reversed(od)i i N( R ( R R R# ( ( s4 /usr/lib/python2.7/site-packages/salt/utils/odict.pyt __reversed__y s
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r^ n Xt j | � d S( u. od.clear() -> None. Remove all items from od.N( R t
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Pairs are returned in LIFO order if last is true or FIFO order if false.
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c c@ s$ x | D] } | | | f Vq Wd S( u= od.iteritems -> an iterator over the (key, value) items in odN( ( R R3 ( ( s4 /usr/lib/python2.7/site-packages/salt/utils/odict.pyt iteritems� s
c O@ s% t | � d k r0 t d j t | � � � � n | sE t d � � n | d } d } t | � d k rt | d } n t | t � r� xq | D] } | | | | <q� WnR t | d � r� x@ | D] } | | | | <q� Wn! x | D] \ } } | | | <q� Wx' t j | � D] \ } } | | | <qWd S( u� od.update(E, **F) -> None. Update od from dict/iterable E and F.
If E is a dict instance, does: for k in E: od[k] = E[k]
If E has a .keys() method, does: for k in E.keys(): od[k] = E[k]
Or if E is an iterable of items, does: for k, v in E: od[k] = v
In either case, this is followed by: for k, v in F.items(): od[k] = v
i u9 update() takes at most 2 positional arguments ({0} given)u, update() takes at least 1 argument (0 given)i i u keysN( ( R R R t
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c C@ sC | | k r! | | } | | =| S| | j k r? t | � � n | S( u� od.pop(k[,d]) -> v, remove specified key and return the corresponding value.
If key is not found, d is returned if given, otherwise KeyError is raised.
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| j | � S( u! od.copy() -> a shallow copy of od( R? ( R ( ( s4 /usr/lib/python2.7/site-packages/salt/utils/odict.pyRD s c C@ s( | � } x | D] } | | | <q W| S( u� OD.fromkeys(S[, v]) -> New ordered dictionary with keys from S
and values equal to v (which defaults to None).
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c C@ sM t | t � r= t | � t | � k o< | j � | j � k St j | | � S( u� od.__eq__(y) <==> od==y. Comparison to another OD is order-sensitive
while comparison to a regular mapping is order-insensitive.
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