Python--上传文件和下载文件

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time    : 2017/12/28 13:56
# @Author  : Aries
# @Site    : 
# @File    : uploadFileQF.py
# @Software: PyCharm Community Edition
import os
from loggingutils.mylogger import logger as log
import time

# 上传
def handle_uploaded_file(f, interface_name):
    base_path = os.getcwd()
    file_name = ''
    try:
        path = base_path + r'\kyoto\kyoTo\uploadfile'\
               + '\\' + time.strftime('%Y%m%d')
        if not os.path.exists(path):
            os.makedirs(path)
        file_name = path + '\\' + time.strftime('%Y%m%d%H%M%S') + interface_name + 'TestData.txt'
        log.info('file_name : ' + file_name)
        destination = open(file_name, 'wb+')
        for chunk in f.chunks():
            destination.write(chunk)
        destination.close()
    except Exception:
        log.error('write file error')
    return file_name

# 下载（Django中返回对象用StreamingHttpResponse）

def download_file(filename, chunk_size=512):
    with open(filename, 'rb') as f:
        while True:
            content = f.read(chunk_size)
            if content:
                yield content
            else:
                break
    log.info('download operate success')
    return content