Python Learning Note-day17 (JINJA2)

JINJA2 is a fully functional template engine for Python with full Unicode support and an optional integrated sandbox execution environment. It is fast and widely used. Using JINJA2 requires at least python2.4

Characteristics

Execution in sandbox

Powerful HTML auto-escape system to protect systems from cross-site scripting attacks (XSS)

Template inheritance

Compile the best Python code in time

Optional time to compile the template in advance

Easy to debug, with the number of rows in the exception pointing directly to the corresponding row in the template

Configurable syntax

Installation

Tar file Installation

Tar fielname.tar.gz

Enter the extracted files directory

Then sudo python setup.py install

PIP installation

sudo pip install jinja2

Installation of the development edition

git clone git://github.com/mitsuhiko/jinja2.git

CD JINJA2

Ln-s Jinja2/usr/lib/python2. X/site-packages

How to use

>>> from JINJA2 import Template

>>> template = Template (' Hello {{name}}! ')

>>> template.render (name= ' John Doe ')

U ' Hello John doe! '

An additional example

Cat func.py

#!/usr/bin/env python#-*-coding:utf-8-*-from jinja2 Import templatedef Index (): F = open (' index.html ') result = f . read () template = Template (result) data = Template.render (name= ' John Doe ', user_list=[' Alex ', ' Eric ') return da Ta.encode (' utf-8 ') NewData = index () print NewData

Cat index.html

<! DOCTYPE html>

Python func.py
<! DOCTYPE html>






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Python Learning Note-day17 (JINJA2)