flask 文件下载文件服务器请求参数函数修饰符

180M电子书

通过已经下载到pc，在上传到私有公网服务器，之后，再异地下载

以下代码，文件内容错乱

[root@bigdata-server- mydataweb]# tree

.

├── mydl.py

└── templates

    ├── hello.html

    └── 计算机网络第六版.pdf

 directory,  files

[root@bigdata-server- mydataweb]# cat mydl.py

from flask import Flask, render_template

myapp = Flask(__name__)

@myapp.route('/hello/<name>')

def hello(name=None):

    return render_template('hello.html', name=name)

if __name__ == '__main__':

    myapp.run(host='0.0.0.0', debug=True)

[root@bigdata-server- mydataweb]# cat templates/hello.html

<!doctype html>

<title>Hello from Flask</title>

{% if name %}

<h1>Hello {{ name }}!</h1>

{% else %}

<h1>Hello, World!</h1>

{% endif %}

 <a href="./计算机网络第六版.pdf" download="计算机网络第六版.pdf">Download file</a>

[root@bigdata-server- mydataweb]#

[root@bigdata-server-03 mydataweb]# du -Bm
87M ./templates
87M .
[root@bigdata-server-03 mydataweb]# du -Bm
87M ./templates
87M .
[root@bigdata-server-03 mydataweb]# du -Bk
89288K ./templates
89296K .
[root@bigdata-server-03 mydataweb]# du -Bk
89464K ./templates
89472K .
[root@bigdata-server-03 mydataweb]#

sftp

浏览器显示的文件地址为

http://ip:5000/hello/file

局域网测试时: http://192.168.2.51:5000/hello/a.txt

待优化方向：

在不要求公网ip的情况下，走局域网快速传输到手机

以下代码，测试了4K txt文件

from flask import Flask, send_from_directory

myapp = Flask(__name__)

@myapp.route('/hello/<name>')
def hello(name=None):
    if name == 'cisco':
        return send_from_directory('./', 'f.txt', as_attachment=True)

if __name__ == '__main__':
    myapp.run(host='0.0.0.0', debug=True)

180M pdf文件未测试

服务脚本

from flask import Flask, send_from_directory

myapp = Flask(__name__)

@myapp.route('/myfile/<uid>')

def myfile(uid=None):

    f = '{}logo.jpg'.format(uid)

    return send_from_directory('./myfile/', f, as_attachment=True)

@myapp.route('/mycode/<imgname>')

def mycode(imgname=None):

    f = imgname

    return send_from_directory('./mycode/', f, as_attachment=True)

if __name__ == '__main__':

    myapp.run(host='0.0.0.0', debug=True)

文件下载

import requests

url = 'http://192.168.6.22:5000/hello/cisco'

url = 'http://192.168.6.22:5000/myfile/34054505'

def dl_webimg(img_path, img_url, img_name):

    try:

        # ONLY

        if requests.get(img_url).status_code == :

            bytes = requests.get(img_url)._content

            if bytes != :

                r = '{}{}'.format(img_path, img_name)

                with open(r, 'wb')as f:

                    f.write(bytes)

                return True

    except Exception as e:

        logs = e

        print(logs)

    return False

192.168.3.103 - - [16/May/2018 19:38:44] "GET /myfile/34062376 HTTP/1.1" 200 -

192.168.3.103 - - [16/May/2018 19:38:49] "GET /myfile/50011457 HTTP/1.1" 404 -

192.168.2.157 - - [16/May/2018 19:38:54] "GET /myfile/50008187 HTTP/1.1" 200 -

192.168.2.157 - - [16/May/2018 19:38:54] "GET /myfile/50008187 HTTP/1.1" 200 -

192.168.2.157 - - [16/May/2018 19:39:32] "GET /myfile/50004237 HTTP/1.1" 404 -

192.168.3.103 - - [16/May/2018 19:40:36] "GET /myfile/50005924 HTTP/1.1" 200 -

192.168.3.103 - - [16/May/2018 19:40:36] "GET /myfile/50005924 HTTP/1.1" 200 -

192.168.3.103 - - [16/May/2018 19:40:39] "GET /myfile/50011844 HTTP/1.1" 404 -

192.168.3.103 - - [16/May/2018 19:41:23] "GET /myfile/33999180 HTTP/1.1" 200 -

192.168.3.103 - - [16/May/2018 19:41:23] "GET /myfile/33999180 HTTP/1.1" 200 -

192.168.3.103 - - [16/May/2018 19:41:27] "GET /myfile/33985565 HTTP/1.1" 404 -

192.168.2.157 - - [16/May/2018 19:41:28] "GET /myfile/50006768 HTTP/1.1" 200 -

192.168.2.157 - - [16/May/2018 19:41:28] "GET /myfile/50006768 HTTP/1.1" 200 -

192.168.3.103 - - [16/May/2018 19:41:31] "GET /myfile/50012105 HTTP/1.1" 404 -

192.168.3.102 - - [16/May/2018 19:41:48] "GET /myfile/34059578 HTTP/1.1" 200 -

192.168.3.102 - - [16/May/2018 19:41:48] "GET /myfile/34059578 HTTP/1.1" 200 -

192.168.2.40 - - [16/May/2018 19:41:56] "GET /myfile/50011842 HTTP/1.1" 404 -

192.168.3.102 - - [16/May/2018 19:41:57] "GET /myfile/50011596 HTTP/1.1" 404 -

192.168.2.40 - - [16/May/2018 19:42:26] "GET /myfile/34046392 HTTP/1.1" 200 -

192.168.2.40 - - [16/May/2018 19:42:26] "GET /myfile/34046392 HTTP/1.1" 200 -

192.168.2.157 - - [16/May/2018 19:42:40] "GET /myfile/50010681 HTTP/1.1" 200 -

192.168.2.157 - - [16/May/2018 19:42:40] "GET /myfile/50010681 HTTP/1.1" 200 -

192.168.3.103 - - [16/May/2018 19:42:40] "GET /myfile/34005188 HTTP/1.1" 404 -

192.168.2.40 - - [16/May/2018 19:42:42] "GET /myfile/50009318 HTTP/1.1" 404 -

192.168.3.102 - - [16/May/2018 19:42:49] "GET /myfile/34057076 HTTP/1.1" 200 -

192.168.3.102 - - [16/May/2018 19:42:49] "GET /myfile/34057076 HTTP/1.1" 200 -

192.168.2.40 - - [16/May/2018 19:42:57] "GET /myfile/50010796 HTTP/1.1" 200 -

192.168.2.40 - - [16/May/2018 19:42:57] "GET /myfile/50010796 HTTP/1.1" 200 -

192.168.3.102 - - [16/May/2018 19:42:57] "GET /myfile/50011625 HTTP/1.1" 404 -

192.168.2.157 - - [16/May/2018 19:43:05] "GET /myfile/34064430 HTTP/1.1" 200 -

192.168.2.157 - - [16/May/2018 19:43:05] "GET /myfile/34064430 HTTP/1.1" 200 -

192.168.2.40 - - [16/May/2018 19:43:07] "GET /myfile/34034844 HTTP/1.1" 200 -

192.168.2.40 - - [16/May/2018 19:43:07] "GET /myfile/34034844 HTTP/1.1" 200 -

192.168.2.157 - - [16/May/2018 19:43:11] "GET /myfile/33996397 HTTP/1.1" 200 -

192.168.2.157 - - [16/May/2018 19:43:11] "GET /myfile/33996397 HTTP/1.1" 200 -

192.168.2.157 - - [16/May/2018 19:43:20] "GET /myfile/50011577 HTTP/1.1" 404 -

192.168.2.40 - - [16/May/2018 19:43:25] "GET /myfile/50006165 HTTP/1.1" 404 -

192.168.3.103 - - [16/May/2018 19:43:56] "GET /myfile/34061589 HTTP/1.1" 200 -

192.168.3.103 - - [16/May/2018 19:43:56] "GET /myfile/34061589 HTTP/1.1" 200 -

192.168.3.102 - - [16/May/2018 19:44:03] "GET /myfile/34015391 HTTP/1.1" 404 -

192.168.3.103 - - [16/May/2018 19:44:07] "GET /myfile/50007988 HTTP/1.1" 200 -

192.168.3.103 - - [16/May/2018 19:44:07] "GET /myfile/50007988 HTTP/1.1" 200 -

192.168.2.157 - - [16/May/2018 19:44:10] "GET /myfile/50001587 HTTP/1.1" 200 -

192.168.2.157 - - [16/May/2018 19:44:10] "GET /myfile/50001587 HTTP/1.1" 200 -

192.168.3.103 - - [16/May/2018 19:44:14] "GET /myfile/50005155 HTTP/1.1" 200 -

192.168.3.103 - - [16/May/2018 19:44:14] "GET /myfile/50005155 HTTP/1.1" 200 -

192.168.3.103 - - [16/May/2018 19:44:19] "GET /myfile/50010215 HTTP/1.1" 200 -

192.168.3.103 - - [16/May/2018 19:44:20] "GET /myfile/50010215 HTTP/1.1" 200 -

192.168.2.157 - - [16/May/2018 19:44:23] "GET /myfile/50005051 HTTP/1.1" 404 -

192.168.3.103 - - [16/May/2018 19:44:27] "GET /myfile/50011528 HTTP/1.1" 404 -

192.168.2.40 - - [16/May/2018 19:44:43] "GET /myfile/34031512 HTTP/1.1" 200 -

192.168.2.40 - - [16/May/2018 19:44:43] "GET /myfile/34031512 HTTP/1.1" 200 -

192.168.2.40 - - [16/May/2018 19:44:52] "GET /myfile/50002485 HTTP/1.1" 404 -

192.168.2.157 - - [16/May/2018 19:44:55] "GET /myfile/50000148 HTTP/1.1" 200 -

192.168.2.157 - - [16/May/2018 19:44:55] "GET /myfile/50000148 HTTP/1.1" 200 -

192.168.3.102 - - [16/May/2018 19:44:57] "GET /myfile/34015601 HTTP/1.1" 404 -

192.168.3.102 - - [16/May/2018 19:45:02] "GET /myfile/34030027 HTTP/1.1" 200 -

192.168.3.102 - - [16/May/2018 19:45:02] "GET /myfile/34030027 HTTP/1.1" 200 -

192.168.2.157 - - [16/May/2018 19:45:05] "GET /myfile/50009356 HTTP/1.1" 404 -

192.168.3.102 - - [16/May/2018 19:45:12] "GET /myfile/34064430 HTTP/1.1" 200 -

192.168.3.102 - - [16/May/2018 19:45:12] "GET /myfile/34064430 HTTP/1.1" 200 -

192.168.3.102 - - [16/May/2018 19:45:19] "GET /myfile/50007083 HTTP/1.1" 200 -

192.168.3.102 - - [16/May/2018 19:45:19] "GET /myfile/50007083 HTTP/1.1" 200 -

192.168.3.102 - - [16/May/2018 19:45:22] "GET /myfile/50009027 HTTP/1.1" 200 -

192.168.3.102 - - [16/May/2018 19:45:22] "GET /myfile/50009027 HTTP/1.1" 200 -

192.168.3.102 - - [16/May/2018 19:45:27] "GET /myfile/34021924 HTTP/1.1" 200 -

192.168.3.102 - - [16/May/2018 19:45:27] "GET /myfile/34021924 HTTP/1.1" 200 -

192.168.3.102 - - [16/May/2018 19:45:31] "GET /myfile/50003822 HTTP/1.1" 200 -

192.168.3.102 - - [16/May/2018 19:45:31] "GET /myfile/50003822 HTTP/1.1" 200 -

192.168.3.102 - - [16/May/2018 19:45:38] "GET /myfile/50007274 HTTP/1.1" 200 -

192.168.3.102 - - [16/May/2018 19:45:38] "GET /myfile/50007274 HTTP/1.1" 200 -

192.168.3.103 - - [16/May/2018 19:45:41] "GET /myfile/34064093 HTTP/1.1" 200 -

192.168.3.103 - - [16/May/2018 19:45:41] "GET /myfile/34064093 HTTP/1.1" 200 -

192.168.3.102 - - [16/May/2018 19:45:41] "GET /myfile/34063466 HTTP/1.1" 200 -

192.168.3.102 - - [16/May/2018 19:45:41] "GET /myfile/34063466 HTTP/1.1" 200 -

192.168.3.103 - - [16/May/2018 19:45:45] "GET /myfile/50007149 HTTP/1.1" 200 -

192.168.3.103 - - [16/May/2018 19:45:45] "GET /myfile/50007149 HTTP/1.1" 200 -

192.168.3.102 - - [16/May/2018 19:45:48] "GET /myfile/34004441 HTTP/1.1" 404 -

192.168.3.103 - - [16/May/2018 19:45:51] "GET /myfile/34063434 HTTP/1.1" 200 -

flask笔记：14：获取所有post或者get请求参数 - CSDN博客 https://blog.csdn.net/u013055678/article/details/70214756

函数修饰符

python中的@ - 半天的半天 - 博客园 https://www.cnblogs.com/mxh1099/p/5685619.html

flask 文件下载文件服务器请求参数函数修饰符的更多相关文章

Python中的函数修饰符@
首先,什么是函数修饰符?函数修饰符就是对原有函数做一层包装.比如有以下两个函数: 复制代码 def func1(): print 'I am function func1' def func2(): ...
python函数修饰符@的使用
python函数修饰符@的作用是为现有函数增加额外的功能,常用于插入日志.性能测试.事务处理等等. 创建函数修饰符的规则:(1)修饰符是一个函数(2)修饰符取被修饰函数为参数(3)修饰符返回一个新函数 ...
Python 函数修饰符（装饰器）的使用
Python 函数修饰符(装饰器)的使用 1. 修饰符的来源修饰符是一个很著名的设计模式,经常被用于有切面需求的场景,较为经典的有插入日志.性能测试.事务处理等. 修饰符是解决这类问题的绝佳设计, ...
solidity 学习笔记（3）函数修饰符/继承
修饰符: 函数修饰符有 constant view pure 其中 constant和view的功能是一样的不会消耗gas 也就是说不会做任何存储 constant在5.0以后的版本中被废弃 ...
Flask基础(09)-->请求勾子函数
什么是请求勾子? 为了让每个视图函数避免编写重复的功能代码,flask提供了通用设施的功能,就是所谓的勾子那么请求勾子就是,在浏览器请求服务器资源的前后挂载相关的处理函数请求勾子有什么作用? 作用 ...
（三）flask中的请求钩子函数
请求勾子在客户端和服务器交互的过程中,有些准备工作或扫尾工作需要处理,比如: 在请求开始时,建立数据库连接: 在请求开始时,根据需求进行权限校验: 在请求结束时,指定数据的交互格式: 为了让每个视图 ...
ethereum(以太坊)(十)--函数修饰符
pragma solidity ^0.4.0; contract modifierTest{ uint public v1; uint constant v2 =10; //uint constant ...
Java中的public、private、protected,函数修饰符
1.public:public表明该数据成员.成员函数是对所有用户开放的,项目中其他脚本都可以直接进行调用 2.private:private表示私有,私有的意思就是除了脚本之外,项目中其他类都不可以 ...
Python 中的@修饰符作用
在Python 2.4以上的的函数中偶尔会看到函数定义的上一行有@functionName的修饰,这一下这个语法细节,其实这有点像C语言带参数的宏操作,解释器读到这样的修饰之后,会先解析@后的内容,直 ...

随机推荐

Python中的函数（3）
一.包含返回值的函数下面来看一个函数,它接收名和姓并返回完整的姓名: def get_formatted_name(first_name,last_name): """ ...
iptables工具
http://www.linuxidc.com/Linux/2012-12/77074.htm iptables 指令语法: iptables [-t table] command [match] ...
Python编译错误总结
1.TypeError: object() takes no parameters 如果你出现了这个报错,请检查你的__init__函数名或者其定义有没有写错.一般是把__init__写成了__int ...
OO第二次作业
第一次作业: 由于第一次作业的调度较为简单,采用FIFO策略,以及不支持捎带功能,因此我的第一次电梯作业并没有设置单独的调度器,而会直接将任务交给电梯,电梯进行调度策略也仅为先运动到people的In ...
Robot Framework中的未解之谜
今天在写测试用例的时候偶然发现了一个问题: 一.看脚本逻辑上没有问题,但是在引用变量的时候不能成功引用,脚本截图如下: 这个是关键字A的截图,没有参数. 此时在case中引用${phonesign}和 ...
[codeforces722C]Destroying Array
[codeforces722C]Destroying Array 试题描述 You are given an array consisting of n non-negative integers a ...
[Vijos1067]Warcraft III 守望者的烦恼（DP + 矩阵优化）
传送门可知 f[i] = f[i - 1] + f[i - 2] + ... + f[i - k] 直接矩阵优化就好了 #include <cstdio> #include <cs ...
关于datetime,date,timestamp,year,time时间类型小结
关于datetime,date,timestamp,year,time时间类型 datetime占用8个字节日期范围:”1000-01-01 00:00:00” 到”9999-12-31 23:59 ...
PatentTips - Reducing Write Amplification in a Flash Memory
BACKGROUND OF THE INVENTION Conventional NAND Flash memories move data in the background to write ov ...
SeaJS项目完整实例【转】
index.html——主页面. sea.js——SeaJS脚本. init.js——init模块,入口模块,依赖data.jquery.style三个模块.由主页面载入. data.js——data ...

flask 文件下载 文件服务器 请求参数 函数修饰符

flask 文件下载 文件服务器 请求参数 函数修饰符的更多相关文章

随机推荐

热门专题

flask 文件下载文件服务器请求参数函数修饰符

flask 文件下载文件服务器请求参数函数修饰符的更多相关文章