python get post 上传下载文件

python文件上传下载

#服务端
#!usr/bin/python
# -*- coding: utf-8 -*
import flask, os,sys,time,datetime,urllib
from flask import request, send_from_directory

from lxml import etree

interface_path = os.path.dirname(__file__)
sys.path.insert(0, interface_path)  #将当前文件的父目录加入临时系统变量


server = flask.Flask(__name__)


#get方法：指定目录下载文件
@server.route('/download', methods=['get'])
def download():
    fpath = request.values.get('path', '') #获取文件路径
    fname = request.values.get('filename', '')  #获取文件名


    if fname.strip() and fpath.strip():
        print(fname, fpath)
        if os.path.isfile(os.path.join(fpath,fname)) and os.path.isdir(fpath):
            return send_from_directory(fpath, fname, as_attachment=True) #返回要下载的文件内容给客户端
        else:
            return '{"msg":"参数不正确"}'
    else:

        return '{"msg":"请输入参数"}'


# get方法：查询当前路径下的所有文件
@server.route('/getfiles', methods=['get'])
def getfiles():
    fpath = request.values.get('fpath', '') #获取用户输入的目录
    mima = request.values.get('mima','')  #获取上传的文件
    if mima != 'zheshiyigeshenqidemima':
        return '密码错误!'
    print(mima)
    print(fpath)
    if os.path.isdir(fpath):
        filelist = os.listdir(fpath)
        files = [file for file in filelist if os.path.isfile(os.path.join(fpath, file))]
    return '{"files":"%s"}' % files


# post方法：上传文件的
@server.route('/upload', methods=['post'])
def upload():
    fname = request.files.get('file')  #获取上传的文件
    mima = request.values.get('mima','')  #获取上传的文件
    if mima != 'zheshiyigeshenqidemima':
        return '密码错误！'

    if fname:

        t = time.strftime('%Y%m%d%H%M%S')

        new_fname = r'v191/' + fname.filename
       # return new_fname
        fname.save(new_fname)  #保存文件到指定路径
        os.system("D:/hotupdate/v191/Newcopy.bat")
        nowTime=datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')#现在
        return '['+nowTime+']:'+'完成热更新！'
    else:
        return '{"msg": "请上传文件！"}'

@server.route('/ceshi', methods=['get'])
def ceshi():
    name = request.values.get('name','')
   # for a in range(10):
    #url = 'https://book.douban.com/top250?start={}'.format(a*25)
    url = 'https://www.bilibili.com/ranking?spm_id_from=333.11.banner_link.2'
    page = urllib.urlopen(url)
    htmlcode = page.read()
    html = etree.HTML(htmlcode)
    result = html.xpath('//*[@id="app"]/div[2]/div/div[1]/div[2]/div[3]/ul/li/div[2]/div[2]/div[1]/a/span/text()')

    return result[85].encode('GBK','ignore') 

server.run(host='0.0.0.0',port=9006, debug=True)

下面是客户端

from __future__ import division

import math  
import sys
import requests
import os
def progressbar(cur,total):  
    percent = '{:.2%}'.format(cur / total)  
    sys.stdout.write('\r')  
    sys.stdout.write('[%-50s] %s' % ( '=' * int(math.floor(cur * 50 /total)),percent))  
    sys.stdout.flush()  
    if cur == total:  
        sys.stdout.write('\n')  

def setwenjian():  
    #上传文件到服务器
    file = {'file': open('build/v191.rar','rb')}
    r = requests.post('http://39.106.210.142:9006/upload', files=file,data={'mima':'zheshiyigeshenqidemima'})
    print(r.text)


#查询fpath下的所有文件
    r1 = requests.get('http://39.106.210.142:9006/getfiles',data={'fpath': r'v191/','mima':'zheshiyigeshenqidemima'})
    print(r1.text)


# #下载服务器download目录下的指定文件
# r2 = requests.get('http://39.106.210.142:9006/download',data={'filename':'hello_upload.txt', 'path': r'upload/'})
# file = r2.text #获取文件内容
# basepath = os.path.join(os.path.dirname(__file__), r'download/')
# with open(os.path.join(basepath, 'hello_download.txt'),'w',encoding='utf-8') as f: #保存文件
#     f.write(file)  



def my_callback():
    # Your callback function
   # print monitor.bytes_read
    e = MultipartEncoder(fields= {'file': open('build/v191.txt','rb')})
    m = MultipartEncoderMonitor(e, my_callback)
    r = requests.post('http://39.106.210.142:9006/upload', data=m,headers={'Content-Type': m.content_type})



if __name__ == '__main__':  

    setwenjian()
    # file_size = 102400000  
    # size = 1024  
    # while file_size > 0:  
    #     progressbar(size*10/file_size,10)  
    #     file_size -= 1024