下載下傳圖檔代碼片段：

1、

# -*- coding:UTF-8 -*-
import requests, json, time, sys
from contextlib import closing

class get_photos(object):

    def __init__(self):
        self.photos_id = []
        self.download_server = 'https://unsplash.com/photos/xxx/download?force=trues'
        self.target = 'http://unsplash.com/napi/feeds/home'
        self.headers = {'authorization':'Client-ID c94869b36aa272dd62dfaeefed769d4115fb3189a9d1ec88ed457207747be626'}

    """
    函數說明:擷取圖檔ID
    Parameters:
        無
    Returns:
        無
    Modify:
        2017-09-13
    """
    def get_ids(self):
        req = requests.get(url=self.target, headers=self.headers, verify=False)
        html = json.loads(req.text)
        next_page = html['next_page']
        for each in html['photos']:
            self.photos_id.append(each['id'])
        time.sleep(1)
        for i in range(5):
            req = requests.get(url=next_page, headers=self.headers, verify=False)
            html = json.loads(req.text)
            next_page = html['next_page']
            for each in html['photos']:
                self.photos_id.append(each['id'])
            time.sleep(1)


    """
    函數說明:圖檔下載下傳
    Parameters:
        無
    Returns:
        無
    Modify:
        2017-09-13
    """
    def download(self, photo_id, filename):
        headers = {'User-Agent':'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.79 Safari/537.36'}
        target = self.download_server.replace('xxx', photo_id)
        with closing(requests.get(url=target, stream=True, verify = False, headers = self.headers)) as r:
            with open('%d.jpg' % filename, 'ab+') as f:
                for chunk in r.iter_content(chunk_size = 1024):
                    if chunk:
                        f.write(chunk)
                        f.flush()

if __name__ == '__main__':
    gp = get_photos()
    print('擷取圖檔連接配接中:')
    gp.get_ids()
    print('圖檔下載下傳中:')
    for i in range(len(gp.photos_id)):
        print('  正在下載下傳第%d張圖檔' % (i+1))
        gp.download(gp.photos_id[i], (i+1))