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utils.structures: Define __slots__ for more classes.

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This commit is contained in:
Valentin Lorentz 2015-12-02 12:21:46 +01:00
parent 1493adc041
commit 0e8bfecf37
1 changed files with 4 additions and 0 deletions
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4
src/utils/structures.py
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@ -306,6 +306,7 @@ class smallqueue(list):
class TimeoutQueue(object): class TimeoutQueue(object):
__slots__ = ('queue', 'timeout')
def __init__(self, timeout, queue=None): def __init__(self, timeout, queue=None):
if queue is None: if queue is None:
queue = smallqueue() queue = smallqueue()
@ -402,6 +403,7 @@ class TwoWayDictionary(dict):
class MultiSet(object): class MultiSet(object):
__slots__ = ('d',)
def __init__(self, seq=()): def __init__(self, seq=()):
self.d = {} self.d = {}
for elt in seq: for elt in seq:
@ -426,6 +428,7 @@ class MultiSet(object):
class CacheDict(collections.MutableMapping): class CacheDict(collections.MutableMapping):
__slots__ = ('d', 'max')
def __init__(self, max, **kwargs): def __init__(self, max, **kwargs):
self.d = dict(**kwargs) self.d = dict(**kwargs)
self.max = max self.max = max
@ -456,6 +459,7 @@ class CacheDict(collections.MutableMapping):
class TruncatableSet(collections.MutableSet): class TruncatableSet(collections.MutableSet):
"""A set that keeps track of the order of inserted elements so """A set that keeps track of the order of inserted elements so
the oldest can be removed.""" the oldest can be removed."""
__slots__ = ('_ordered_items', '_items')
def __init__(self, iterable=[]): def __init__(self, iterable=[]):
self._ordered_items = list(iterable) self._ordered_items = list(iterable)
self._items = set(self._ordered_items) self._items = set(self._ordered_items)