python requests上传文件 tornado 接收文件(示例代码)

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requests 上传文件

import requests

def images():
    url = ‘http://127.0.0.1:8889/upload/image‘ 
    files = {‘file‘: open(‘desktop.png‘, ‘rb‘)}
    multiple_files = [
                      (‘file‘, (‘11.png‘, open(‘11.png‘, ‘rb‘), ‘image/png‘)),
                      (‘file‘, (‘desktop.png‘, open(‘desktop.png‘, ‘rb‘), ‘image/png‘))
                     ]
    headers = {‘Api-Key‘: ‘InhpeWFuZzA4MDdJBtx4AWlPpI_Oxx1Ki8‘,
               ‘User-Agent‘: ‘Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.98 Safari/537.36‘
              }
    r = requests.post(url, files=multiple_files, headers=headers)    # 上传图片
    r = requests.post(url, files=files, headers=headers)    # 上传文件
    print(r.text)


tornado 接收文件

#!/usr/bin/env python
# Copyright 2009 Facebook
#

import tornado.httpserver
import tornado.ioloop
import tornado.options
import tornado.web
import logging
import sys
import setting

class UploadImageHandler(BaseHandler):

def set_default_headers(self):
        print "setting headers!!!"
        self.set_header("Access-Control-Allow-Origin", "*")
        self.set_header("Access-Control-Allow-Headers", "x-requested-with")
        self.set_header(‘Access-Control-Allow-Methods‘, ‘POST, GET, OPTIONS‘)

    def options(self):
        pass

    def get(self):
        self.write(‘please upload a image url‘)

    def post(self):
        result = {}
        result[‘flag‘] = 0
        result[‘data‘] = ‘‘
        result[‘msg‘] = ‘‘
        try:
            is_admin = self.get_body_argument(‘is_admin‘, None)
            meta = self.request.files[‘file‘][0]
            suffix = meta[‘filename‘].split(‘.‘)[-1]
            fullname, arr, filename = self.get_full_file_name(‘image‘, suffix)
            while os.path.exists(fullname):
                logging.info(‘已经存在文件：‘ + fullname)
                fullname, arr, filename = self.get_full_file_name(‘image‘, suffix)
            f = open(fullname, ‘wb‘)
            f.write(meta[‘body‘])
            f.close()
            result[‘data‘] = setting.openHost+‘/‘+arr[0]+‘/‘+arr[1]+‘/‘+arr[2]+‘/‘+arr[3]+‘/‘ + filename
            result[‘flag‘] = 1
        except Exception, e:
            logging.info(‘Error: upload image failing,%s‘ % str(e))
            result[‘flag‘] = 0
            result[‘msg‘] = ‘fail in upload image‘
            self.write(simplejson.dumps(result))
            return
        self.set_header("Access-Control-Allow-Origin", "*")
        self.write(simplejson.dumps(result))


class Application(tornado.web.Application):
    def __init__(self):
        self.session = memcache.Client([setting.memcache_host])

        handlers = [
                        (r"/upload/image", UploadImageHandler)
                        tornado.web.url(r".*", tornado.web.StaticFileHandler,
                                        dict(path=setting.imgDir), name=‘static_path‘)
                    ]
        tornado.web.Application.__init__(self, handlers)


if __name__ == "__main__":
    tornado.options.parse_command_line()
    application = Application()
    http_server = tornado.httpserver.HTTPServer(application, xheaders=True)
    port = 8889
    if len(sys.argv) > 1:
        port = int(sys.argv[1])
    http_server.listen(port)
    loop = tornado.ioloop.IOLoop.instance()
    logging.info(‘File Server running on http://127.0.0.1:%d‘ % port)
    loop.start()

 settin.py

#!/usr/bin/env python
# coding=utf8
# file=setting.py

imgDir = "/imgData/"  # 图片文件保存地址
openHost = "http://img.520czj.com"  # 图片服务器的访问基URL
serverName = ‘server1‘  # 保存在该图片服务器中文件的命名前缀，用于反向代理时快速定位图片所在服务器，如果禁用一台服务器，该字段无实际意义
memcache_host = ‘127.0.0.1:11211‘
domanName = ‘http://admin.520czj.com‘

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 原文地址：http://www.cnblogs.com/aaron-agu/p/7509734.html