Flask是一个使用Python编写的轻量级Web应用框架。基于Werkzeug WSGI工具箱和Jinja2 模板引擎。 Flask使用BSD授权。 Flask也被称为“microframework”,因为它使用简单的核心,用extension增加其他功能。Flask没有默认使用的数据库、窗体验证工具。然而,Flask保留了扩增的弹性,可以用Flask-extension加入这些功能:ORM、窗体验证工具、文件上传、各种开放式身份验证技术。 WSGI Web服务器网关接口(Python Web Server Gateway Interface,缩写为WSGI)是为Python语言定义的Web服务器和Web应用程序或框架之间的一种简单而通用的接口。自从WSGI被开发出来以后,许多其它语言中也出现了类似接口。
Tag Flask
How-to resolve Target WSGI script xxx.wsgi cannot be loaded as Python module
情景再现: 在我将 Flask应用程序部署到 Apache 的时候,我得到了一个 500 internal sever error 的错误。 查看错误日志得到下面信息
[Tue Jun 21 11:29:46 2016] [notice] Apache/2.2.15 (Unix) DAV/2 PHP/5.3.3 mod_ssl/2.2.15 OpenSSL/1.0.1e-fips mod_wsgi/3.2 Python/2.7.3 mod_perl/2.0.4 Perl/v5.10.1 configured -- resuming # [Tue Jun 21 11:29:49 2016] [error] [client 172.16.7.158] mod_wsgi (pid=1334): Target WSGI script '/var/www/html/report/report.wsgi' cannot be loaded as Python module. [Tue Jun 21 11:29:49 2016] [error] [client 172.16.7.158] mod_wsgi (pid=1334): Exception occurred processing WSGI script '/var/www/html/report/report.wsgi'. [Tue Jun 21 11:29:49 2016] [error] [client 172.16.7.158] Traceback (most recent call last): [Tue Jun 21 11:29:49 2016] [error] [client 172.16.7.158] File "/var/www/html/report/report.wsgi", line 10, in <module> [Tue Jun 21 11:29:49 2016] [error] [client 172.16.7.158] from report import app as application [Tue Jun 21 11:29:49 2016] [error] [client 172.16.7.158] File "/var/www/html/report/report.py", line 11, in <module> [Tue Jun 21 11:29:49 2016] [error] [client 172.16.7.158] from flask import Flask [Tue Jun 21 11:29:49 2016] [error] [client 172.16.7.158] ImportError: No module named falsk
Python 应用程序是 通过源码编译的,安装目录为 /usr/local/Python2.7.3 Flask 模块是存在的, 问题就在 为啥 找不到她呢???
How-to use Flask and mysql to build a simple monitor
本文主要讲述的是: 如何使用 Flask + Mysql + Highcharts 构建一个简单的监控系统 以监控系统内存为例的简易 Demo,文档参考 运维之路 的教程。 整体思路是:
- 收集数据
- 存储数据
- 展示数据
建库建表
How to limit Flask dev server to only one visiting ip address
I'm developing a website using the Python Flask framework and I now do some devving, pushing my changes to a remote dev server. I set this remote dev server up to serve the website publically using app.run(host='0.0.0.0')
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This works fine, but I just don't want other people to view my website yet. For this reason I somehow want to whitelist my ip so that the dev server only serves the website to my own ip address, giving no response, 404's or some other non-useful response to other ip addresses. I can of course set up the server to use apache or nginx to actually serve the website, but I like the automatic reloading of the website on code changes for devving my website