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"""Ordered dictionaries classes used for indices"""
from bisect import bisect
class OrderedDict(dict):
def __init__(self, **kwargs):
self.__keys = []
self.__dirty = 1
super(OrderedDict, self).__init__()
if kwargs:
self.update(kwargs)
def __setitem__(self, key, value):
if key not in self:
self.__keys.append(key)
super(OrderedDict, self).__setitem__(key, value)
self.__dirty = 1
def __repr__(self):
if self.__dirty: self.__order()
return super(OrderedDict, self).__repr__()
def __str__(self):
if self.__dirty: self.__order()
return super(OrderedDict, self).__str__()
def __delitem__(self, key):
if super(OrderedDict, self).__contains__(key):
self.__keys.remove(key)
super(OrderedDict, self).__delitem__(key)
self.__dirty = 1
__delattr__ = __delitem__
def clear(self):
super(OrderedDict, self).clear()
self.__keys = []
self.__dirty = 1
def keys(self):
if self.__dirty: self.__order()
return list(self.__keys)
def values(self):
if self.__dirty: self.__order()
return [ self[k] for k in self.__keys ]
def items(self):
if self.__dirty: self.__order()
return [ (k, self[k]) for k in self.__keys ]
def update(self, d): [ self.__setitem__(k, v) for k,v in d.items() ]
def sortingFun(self, keys): keys.sort()
def __order(self):
self.sortingFun(self.__keys)
d = {}
for k in self.__keys:
d[len(k)] = 1
l = list(d.keys())
l.sort(reverse=True)
self.__keysLens = tuple(l)
self.__dirty = 0
def nextKey(self, key):
keys = list(self.keys())
if key in self:
nextIdx = keys.index(key) + 1
else:
nextIdx = bisect(keys, key)
if nextIdx < len(keys):
return keys[nextIdx]
else:
raise KeyError(key)
def getKeysLens(self):
if self.__dirty: self.__order()
return self.__keysLens
class OidOrderedDict(OrderedDict):
def __init__(self, **kwargs):
self.__keysCache = {}
OrderedDict.__init__(self, **kwargs)
def __setitem__(self, key, value):
if key not in self.__keysCache:
if isinstance(key, tuple):
self.__keysCache[key] = key
else:
self.__keysCache[key] = [ int(x) for x in key.split('.') if x ]
OrderedDict.__setitem__(self, key, value)
def __delitem__(self, key):
if key in self.__keysCache:
del self.__keysCache[key]
OrderedDict.__delitem__(self, key)
__delattr__ = __delitem__
def sortingFun(self, keys):
keys.sort(key=lambda k, d=self.__keysCache: d[k])
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