python文件操作脚本

import cv2

import os

import time

path='test'

result='test_result'

dir = os.listdir(path)

print('需要压缩的图片数为：'+str(len(dir)))

count = 1

for i in dir:

print('正在压缩第{}张图片'.format(count),end = ',')

start=time.time()

img=cv2.imread(path+'/{}'.format(i))

cv2.imwrite(result+'/{}'.format(i),img,[int(cv2.IMWRITE_JPEG_QUALITY), 10])

end=time.time()

print('压缩第{}张图片耗时{}'.format(count,end-start))

count+=1

import os

from PIL import Image

import glob

def convertjpg(jpgfile,outdir,width=300,height=225):

img=Image.open(jpgfile)

new_img=img.resize((width,height),Image.BILINEAR)

new_img.save(os.path.join(outdir,os.path.basename(jpgfile)))

for jpgfile in glob.glob("test/*.jpg"):

convertjpg(jpgfile,"test_result")

import os

path = 'test'

count = 1

for i in os.listdir(ipath):

old_name = os.path.join(path, i)

new_name = os.path.join(path, 'cup{}.jpg'.format(count))

count += 1

if count >100: break

os.rename(old_name,new_name)

import os

def formatting(count):

strcount=str(count)

if len(strcount)==1:

return '000'+strcount

elif len(strcount)==2:

return '00'+strcount

elif len(strcount)==3:

return '0'+strcount

elif len(strcount)==4:

return strcount

def rename():

count=0

path='test'

filelist=os.listdir(path)

for files in filelist:

Olddir=os.path.join(path,files)

filename=os.path.splitext(files)[0]

filetype=os.path.splitext(files)[1]

Newdir=os.path.join(path,'name_'+formatting(count)+filetype)

os.rename(Olddir,Newdir)

count+=1

print('success')

rename()

import os

def del_file(path):

ls = os.listdir(path)

for i in ls:

c_path = os.path.join(path, i)

if os.path.isdir(c_path):

del_file(c_path)

else:

os.remove(c_path)

path = 'test'

del_file(path)

import os

import glob

path ='test/*.jpg'

for infile in glob.glob(path):

os.remove(infile)