# -*-coding:utf8-*-
"""
基于字符串数字混合排序的Python脚本
"""
def is_number(s):
try:
float(s)
return True
except ValueError:
pass
try:
import unicodedata
unicodedata.numeric(s)
return True
except (TypeError, ValueError):
pass
return False
def find_continuous_num(astr, c):
"""
:param astr: a string
:param c: where to start looking for
:return: num: int
"""
num = ''
try:
while not is_number(astr[c]) and c < len(astr):
c += 1
while is_number(astr[c]) and c < len(astr):
num += astr[c]
c += 1
except:
pass
if num != '':
return int(num)
def comp2filename(file1, file2):
"""
compare 2 filename:
if the prev part of 2 strings are the same, compare the next continuous number
file1 < file2 : return True, otherwise False
:param file1:
:param file2:
:return:
"""
smaller_length = min(len(file1), len(file2))
continuous_num = ''
for c in range(0, smaller_length):
if not is_number(file1[c]) and not is_number(file2[c]):
# print('both not number')
if file1[c] < file2[c]:
return True
if file1[c] > file2[c]:
return False
if file1[c] == file2[c]:
if c == smaller_length - 1:
# print('the last bit')
if len(file1) < len(file2):
return True
else:
return False
else:
continue
if is_number(file1[c]) and not is_number(file2[c]):
return True
if not is_number(file1[c]) and is_number(file2[c]):
return False
if is_number(file1[c]) and is_number(file2[c]):
if find_continuous_num(file1, c) < find_continuous_num(file2, c):
return True
else:
return False
# if file1 < file2:
# return True
# else:
# return False
def sort_insert(lst):
"""
simple insert sort
:param lst:
:return:
"""
for i in range(1, len(lst)):
x = lst[i]
j = i
while j > 0 and lst[j-1] > x:
# while j > 0 and comp2filename(x, lst[j-1]):
lst[j] = lst[j-1]
j -= 1
lst[j] = x
return lst
def sort_insert_filename(lst):
"""
simple insert sort
:param lst:
:return:
"""
for i in range(1, len(lst)):
x = lst[i]
j = i
# while j > 0 and lst[j-1] > x:
while j > 0 and comp2filename(x, lst[j-1]):
lst[j] = lst[j-1]
j -= 1
lst[j] = x
return lst
def file_name_sort(all_file_list):
"""
:param all_file_list: list
:return: new_list:list
"""
new_list = []
# all_file_list.sort(key=lambda x: int(x.split('.')[0].split('_')[2]))
# for file in all_file_list:
# pass
return new_list
if __name__ == "__main__":
print(sort_insert_filename(['a09', 'a2', 'b2', 'a10','a100', 'a01', 'a010', '_a3', 'a893', 'a90']))
