下载图片的三种方式
os.makedirs('./image/', exist_ok=True)
IMAGE_URL = "http://image.nationalgeographic.com.cn/2017/1122/20171122113404332.jpg"
def urllib_download():
from urllib.request import urlretrieve
urlretrieve(IMAGE_URL, './image/img1.png')
def request_download():
import requests
r = requests.get(IMAGE_URL)
with open('./image/img2.png', 'wb') as f:
f.write(r.content)
def chunk_download():
import requests
r = requests.get(IMAGE_URL, stream=True)
with open('./image/img3.png', 'wb') as f:
for chunk in r.iter_content(chunk_size=32):
