Python3如何实现将ipa包中的文件按大小排序

import os
import shutil
import zipfile

_ipa_zip_path = lambda ipa_path: ipa_path.replace('.ipa', '.zip')
_file_size = lambda file_path: os.path.getsize(file_path) / 1024 / 1024


def unzip(zip_path: str) -> str:
 dir_path = None
 if zip_path.endswith('.zip'):
  print(f'{zip_path} file size:{round(_file_size(zip_path),3)}mb')
  zip_name = os.path.basename(zip_path)
  dir_name = zip_name.replace('.zip', '')
  dir_root_path = zip_path.replace(zip_name, '')
  dir_path = os.path.join(dir_root_path, dir_name)
  if os.path.exists(dir_path):
   shutil.rmtree(dir_path)
  os.mkdir(dir_path)
  zip_file = zipfile.ZipFile(zip_path)
  for file_name in zip_file.namelist():
   zip_file.extract(file_name, dir_path)
  zip_file.close()
 return dir_path


def rename_suffix(raw, raw_type, target) -> None:
 if raw.endswith(raw_type) and os.path.exists(raw):
  os.rename(raw, target)


def walk_files(dir_path) -> list:
 file_dicts = []
 if os.path.exists(dir_path):
  for root, dirs, files in os.walk(dir_path, topdown=True):
   for name in files:
    file_path = os.path.join(root, name)
    file_dict = {
     'file_name': name,
     'file_size': round(_file_size(file_path), 8),
    }
    file_dicts.append(file_dict)
 return file_dicts


def show_files_size(dir_path=None) -> None:
 if dir_path:
  file_dicts_sorted = sorted(walk_files(dir_path),
         key=lambda e: (e.__getitem__('file_size'), e.__getitem__('file_name')), reverse=True)
  for file_dict in file_dicts_sorted:
   print(f'{file_dict["file_name"]}->{file_dict["file_size"]}mb')


def ipa_checker(ipa_path: str) -> None:
 try:
  ipa_file_size = _file_size(ipa_path)
  print(f'{ipa_path} file size:{round(ipa_file_size,3)}mb')
 except FileNotFoundError as error:
  print(f'File not exists->{ipa_path}')
 ipa_zip_path = _ipa_zip_path(ipa_path)
 rename_suffix(ipa_path, '.ipa', ipa_zip_path)
 try:
  dir_path = unzip(ipa_zip_path)
  show_files_size(dir_path)
 except OSError as error:
  print(error)


if __name__ == '__main__':
 ipa_path = r'C:\Users\kkk\Desktop\xxx.ipa'
 ipa_checker(ipa_path)

def merge_sort(a, b):
 ret = []
 while len(a)>0 and len(b)>0:
  if a[0] <= b[0]:
   ret.append(a[0])
   a.remove(a[0]) 
  if a[0] >= b[0]:
   ret.append(b[0])
   b.remove(b[0])
 if len(a) == 0:
  ret += b
 if len(b) == 0:
  ret += a
 return ret


if __name__ == '__main__':
 a = [1,3,4,6,7,78,97,190]
 b = [2,5,6,8,10,12,14,16,18]
 print(merge_sort(a, b))

def merge_sort(a, b):
 ret = []
 i = j = 0
 while len(a) >= i + 1 and len(b) >= j + 1:
  if a[i] <= b[j]:
   ret.append(a[i])
   i += 1
  else:
   ret.append(b[j])
   j += 1
 if len(a) > i:
  ret += a[i:]
 if len(b) > j:
  ret += b[j:]
 return ret

if __name__ == '__main__':
 a = [1,3,4,6,7,78,97,190]
 b = [2,5,6,8,10,12,14,16,18]
 print(merge_sort(a, b))