2017-09-23 02:15:15 +08:00
|
|
|
|
#!/usr/bin/python
|
|
|
|
|
|
# -*- coding: utf8 -*-
|
|
|
|
|
|
# cp936
|
|
|
|
|
|
#
|
|
|
|
|
|
# The MIT License (MIT)
|
|
|
|
|
|
#
|
|
|
|
|
|
# Copyright (c) 2010-2017 fasiondog
|
|
|
|
|
|
#
|
|
|
|
|
|
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
|
|
|
|
# of this software and associated documentation files (the "Software"), to deal
|
|
|
|
|
|
# in the Software without restriction, including without limitation the rights
|
|
|
|
|
|
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
|
|
|
|
# copies of the Software, and to permit persons to whom the Software is
|
|
|
|
|
|
# furnished to do so, subject to the following conditions:
|
|
|
|
|
|
#
|
|
|
|
|
|
# The above copyright notice and this permission notice shall be included in all
|
|
|
|
|
|
# copies or substantial portions of the Software.
|
|
|
|
|
|
#
|
|
|
|
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
|
|
|
|
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
|
|
|
|
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
|
|
|
|
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
|
|
|
|
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
|
|
|
|
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
|
|
|
|
# SOFTWARE.
|
|
|
|
|
|
|
|
|
|
|
|
|
2017-09-24 03:25:14 +08:00
|
|
|
|
def list_getitem(data, i):
|
|
|
|
|
|
"""对C++引出的vector，实现python的切片，
|
|
|
|
|
|
将引入的vector类的__getitem__函数覆盖即可。
|
|
|
|
|
|
"""
|
|
|
|
|
|
if isinstance(i, int):
|
|
|
|
|
|
length = len(data)
|
|
|
|
|
|
index = length + i if i < 0 else i
|
|
|
|
|
|
if index < 0 or index >= length:
|
|
|
|
|
|
raise IndexError("index out of range: %d" % i)
|
|
|
|
|
|
return data.get(index)
|
|
|
|
|
|
|
|
|
|
|
|
elif isinstance(i, slice):
|
|
|
|
|
|
return [data.get(x) for x in range(*i.indices(len(data)))]
|
|
|
|
|
|
|
|
|
|
|
|
else:
|
|
|
|
|
|
raise IndexError("Error index type")
|
