python图片后缀转换---统一转换成.jpg

python版本：python3.7
包版本

Pillow                             7.2.0
opencv-python                      4.4.0.46
redis                              2.10.5

import os
import redis
import json
from PIL import Image
import requests
import cv2 as cvdef image_jpg(url, standard_brand_id):""":param url: :param standard_brand_id: :param geshi: .jpg-->.jpg:return: """for i in range(3):try:r = requests.get(url)if r.status_code == 200:with open('D:/images/Brands_jpg/{standard_brand_id}.jpg'.format(standard_brand_id=standard_brand_id),'wb') as f:f.write(r.content)f.close()except Exception as n:print(n)def image_gif_jpg(url, standard_brand_id, geshi):""":param url: :param standard_brand_id: :param geshi: .gif-->.jpg:return: """for i in range(3):try:r = requests.get(url)if r.status_code == 200:with open('D:/images/Brands_gif/{standard_brand_id}.{geshi}'.format(standard_brand_id=standard_brand_id,geshi=geshi),'wb') as f:f.write(r.content)f.close()gif = cv.VideoCapture('D:/images/Brands_gif/{standard_brand_id}.{geshi}'.format(standard_brand_id=standard_brand_id,geshi=geshi))ret, frame = gif.read()cv.imwrite('D:/images/Brands_jpg/{standard_brand_id}.jpg'.format(standard_brand_id=standard_brand_id),frame)except Exception as n:print(n)def image_jpeg_jpg(url, standard_brand_id, geshi):""":param url: :param standard_brand_id: :param geshi: .jpeg-->.jpg:return: """for i in range(3):try:r = requests.get(url)if r.status_code == 200:with open('D:/images/Brands_jpeg/{standard_brand_id}.{geshi}'.format(standard_brand_id=standard_brand_id,geshi=geshi),'wb') as f:f.write(r.content)f.close()img = Image.open('D:/images/Brands_jpeg/{standard_brand_id}.{geshi}'.format(standard_brand_id=standard_brand_id,geshi=geshi))img = img.convert('RGB')img.thumbnail((128, 128))img.save('D:/images/Brands_jpg/{standard_brand_id}.jpg'.format(standard_brand_id=standard_brand_id),"JPEG", quality=80, optimize=True, progressive=True)remove_image('D:/images/Brands_jpeg/{standard_brand_id}.{geshi}'.format(standard_brand_id=standard_brand_id,geshi=geshi))except Exception as n:print(n, url)def image_png_jpg(url, standard_brand_id, geshi):""":param url: :param standard_brand_id: :param geshi: .png-->.jpg:return: """for i in range(3):try:r = requests.get(url)if r.status_code == 200:with open('D:/images/Brands_png/{standard_brand_id}.{geshi}'.format(standard_brand_id=standard_brand_id,geshi=geshi),'wb') as f:f.write(r.content)f.close()img = Image.open('D:/images/Brands_png/{standard_brand_id}.{geshi}'.format(standard_brand_id=standard_brand_id,geshi=geshi))img = img.convert('RGB')img.save('D:/images/Brands_jpg/{standard_brand_id}.jpg'.format(standard_brand_id=standard_brand_id),quality=95)remove_image('D:/images/Brands_png/{standard_brand_id}.{geshi}'.format(standard_brand_id=standard_brand_id,geshi=geshi))except Exception as n:print(n, url)def remove_image(file_name):""":param url: :param standard_brand_id: :param geshi: 删除改变格式前的图片:return: """if os.path.exists(file_name):os.remove(file_name)print('成功删除文件:', file_name)else:print('未找到此文件:', file_name)if __name__ == '__main__':redisPool = redis.ConnectionPool(host='127.0.0.1', port=6379, db=1)client = redis.Redis(connection_pool=redisPool)while True:mm = client.lpop('pingpai')if mm is None:breakdata = json.loads(mm)item = {}for key in data:item[key] = data[key]url = data['brand_logo_url']standard_brand_id = data['standard_brand_id']geshi = url.split('.')[-1]print(standard_brand_id, geshi)if geshi == 'gif' or geshi == 'GIF':image_gif_jpg(url=url, standard_brand_id=standard_brand_id, geshi=geshi)elif geshi == 'jpeg' or geshi == 'JPEG':image_jpeg_jpg(url=url, standard_brand_id=standard_brand_id, geshi=geshi)elif geshi == 'png' or geshi == 'PNG':image_png_jpg(url=url, standard_brand_id=standard_brand_id, geshi=geshi)else:image_jpg(url=url, standard_brand_id=standard_brand_id)

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