def pop(self, index=-1):
'''Remove an item from this list, like C{list.pop}.
'''
i = _at(self, index)
v = self[i]
del self[i] # __delitem__
return v
def __delitem__(self, index):
if isinstance(index, slice):
indices = range(*index.indices(len(self)))
for i in sorted(indices, reverse=True):
self.NS.removeObjectAtIndex_(i)
else:
self.NS.removeObjectAtIndex_(_at(self, index))
def __setitem__(self, index, value):
if isinstance(index, slice):
indices = range(*index.indices(len(self)))
for i, val in zip_longest(indices, value, fillvalue=missing):
if missing in (i, val): # XXX only if val is missing?
raise ValueError('%s len() mismatch %r vs %r' %
(self, index, value))
self.NS.replaceObjectAtIndex_withObject_(i, py2NS(val))
else:
self.NS.replaceObjectAtIndex_withObject_(_at(self, index), py2NS(value))
def insert(self, index, value):
'''Insert an item into this list, like C{list.insert}.
'''
self.NS.insertObject_atIndex_(py2NS(value), _at(self, index))