/usr/lib/python2.7/dist-packages/lxml/html/_setmixin.py is in python-lxml 3.5.0-1ubuntu0.1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 | from collections import MutableSet
class SetMixin(MutableSet):
"""
Mix-in for sets. You must define __iter__, add, remove
"""
def __len__(self):
length = 0
for item in self:
length += 1
return length
def __contains__(self, item):
for has_item in self:
if item == has_item:
return True
return False
issubset = MutableSet.__le__
issuperset = MutableSet.__ge__
union = MutableSet.__or__
intersection = MutableSet.__and__
difference = MutableSet.__sub__
symmetric_difference = MutableSet.__xor__
def copy(self):
return set(self)
def update(self, other):
self |= other
def intersection_update(self, other):
self &= other
def difference_update(self, other):
self -= other
def symmetric_difference_update(self, other):
self ^= other
def discard(self, item):
try:
self.remove(item)
except KeyError:
pass
@classmethod
def _from_iterable(cls, it):
return set(it)
|