[英]Sorting and Matching a Python list
I recently asked a similar question but need to go a little deeper. 我最近问了一个类似的问题,但需要更深入一点。
Essentially, I am reading a directory of files and appending everything to a list called filelistname 本质上,我正在读取文件目录,并将所有内容附加到名为filelistname的列表中
I am trying to sort this list by the diskcount (-#disk-), and running a function against that sorted list. 我试图按磁盘计数 (-# disk- )对该列表进行排序,并针对该排序后的列表运行一个函数。
Thanks for your help. 谢谢你的帮助。
Here is an example - 这是一个例子-
In []: filelistname
Out []: ['C:\Test3\ARRAY05-2NODE-RAID1-12disk-128k-0-segmented.xlsx'
'C:\Test1\ARRAY05-2NODE-RAID1-17disk-128k-0-segmented.xlsx',
'C:\Test4\ARRAY05-2NODE-RAID1-25disk-128k-0-segmented.xlsx',
'C:\Test2\ARRAY05-2NODE-RAID1-18disk-128k-0-segmented.xlsx',
'C:\Test1\ARRAY05-2NODE-RAID1-12disk-32k-0-segmented.xlsx',
'C:\Test6\ARRAY05-2NODE-RAID1-25disk-32k-0-segmented.xlsx',
'C:\Test2\ARRAY05-2NODE-RAID1-12disk-64k-0-segmented.xlsx',
'C:\Test5\ARRAY05-2NODE-RAID1-12disk-64k-100-segmented.xlsx']
An output for this would look something like this. 这样的输出看起来像这样。
A group 一个小组
C:\Test3\ARRAY05-2NODE-RAID1-12disk-128k-0-segmented.xlsx
C:\Test1\ARRAY05-2NODE-RAID1-17disk-128k-0-segmented.xlsx
C:\Test2\ARRAY05-2NODE-RAID1-18disk-128k-0-segmented.xlsx
Another gorup 另一种
C:\Test4\ARRAY05-4NODE-RAID1-25disk-128k-0-segmented.xlsx
Another group 另一组
C:\Test1\ARRAY05-2NODE-RAID1-12disk-32k-0-segmented.xlsx
C:\Test6\ARRAY05-2NODE-RAID1-25disk-32k-0-segmented.xlsx
Another Group 另一组
C:\Test2\ARRAY05-2NODE-RAID1-12disk-64k-0-segmented.xlsx
Another group 另一组
C:\Test5\ARRAY05-2NODE-RAID1-12disk-64k-100-segmented.xlsx
I'm currently playing with this, but having trouble identifying a correct key. 我目前正在玩这个游戏,但是无法确定正确的钥匙。
import os
from itertools import groupby
from collections import defaultdict
key_fn = lambda s: s.rsplit('-',4)[0]
filelistname = sorted(filelistname, key=key_fn)
print(key)
for key, grouped_file_names in groupby(filelistname, key=key_fn):
print('\n'.join(list(grouped_file_names)))
print("")
You seem to be grouping by d+k-d+
so split the basename and use those as the keys: 您似乎正在按d+k-d+
分组,因此请拆分基本名称并将其用作键:
from collections import defaultdict
d = defaultdict(list)
for sub in l:
spl = sub.rsplit("-", 3)
k = spl[-3],spl[-2]
d[k].append(sub)
Output: 输出:
from pprint import pprint as pp
pp(d)
{ ('128k', '0'): [ 'C:\\Test3\\ARRAY05-2NODE-RAID1-12disk-128k-0-segmented.xlsxC:\\Test1\\ARRAY05-2NODE-RAID1-17disk-128k-0-segmented.xlsx',
'C:\\Test4\\ARRAY05-2NODE-RAID1-25disk-128k-0-segmented.xlsx',
'C:\\Test2\\ARRAY05-2NODE-RAID1-18disk-128k-0-segmented.xlsx'],
('32k', '0'): [ 'C:\\Test1\\ARRAY05-2NODE-RAID1-12disk-32k-0-segmented.xlsx',
'C:\\Test6\\ARRAY05-2NODE-RAID1-25disk-32k-0-segmented.xlsx'],
('64k', '0'): ['C:\\Test2\\ARRAY05-2NODE-RAID1-12disk-64k-0-segmented.xlsx'],
('64k', '100'): [ 'C:\\Test5\\ARRAY05-2NODE-RAID1-12disk-64k-100-segmented.xlsx']}
If you want all but the disk part: 如果只需要磁盘部分,则:
from collections import defaultdict
from os import path
from ntpath import basename
d = defaultdict(list)
for sub in l:
spl = basename(sub).rsplit("-", 5)
k = spl[0]+"-" + "-".join(spl[3:5])
d[k].append(sub)
Output: 输出:
{'ARRAY05-2NODE-128k-0': ['C:\\Test3\\ARRAY05-2NODE-RAID1-12disk-128k-0-segmented.xlsx',
'C:\\Test1\\ARRAY05-2NODE-RAID1-17disk-128k-0-segmented.xlsx',
'C:\\Test4\\ARRAY05-2NODE-RAID1-25disk-128k-0-segmented.xlsx',
'C:\\Test2\\ARRAY05-2NODE-RAID1-18disk-128k-0-segmented.xlsx'],
'ARRAY05-2NODE-32k-0': ['C:\\Test1\\ARRAY05-2NODE-RAID1-12disk-32k-0-segmented.xlsx',
'C:\\Test6\\ARRAY05-2NODE-RAID1-25disk-32k-0-segmented.xlsx'],
'ARRAY05-2NODE-64k-0': ['C:\\Test2\\ARRAY05-2NODE-RAID1-12disk-64k-0-segmented.xlsx'],
'ARRAY05-2NODE-64k-100': ['C:\\Test5\\ARRAY05-2NODE-RAID1-12disk-64k-100-segmented.xlsx']}
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