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Learning Jinja2: Part 2: Variable Interpolation

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[开发(python) 所属分类 开发(python) | 发布者 店小二05 | 时间 2019 | 作者 红领巾 ] 0人收藏点击收藏
Learning Jinja2 Installing and Using Variable Interpolation Including Files Template Inheritance and Blocks Control Blocks

Jinja2 is a template engine for python featuring an optional sandbox environment.

Variable Interpolation

As a template engine, one of the most common tasks is variable interpolation . In programming terminology, interpolation is the act of substituting the value of a variable for its name.

Delimiters

In templating syntax, a delimiter is a single character or token marking some type of content as instructions or code and not part of output. Jinja2 supports four types.

{%...%} : S tatements {{...}} : Expressions {#...#} : Comments #...## :Line Statements Working with Variables

As a form of expressions, variable values can be interpolated using the double curly bracket usage.


Learning Jinja2: Part 2: Variable Interpolation

After being loaded with the Template() function, the results can be interpolated using the render() function.

Setting Values

Jinja2 supports the set keyword for changing or initializing values.


Learning Jinja2: Part 2: Variable Interpolation
Play with the example on Repl.it!

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