Templating language
A templating language combines predefined templates with supplied data, values, or expressions to generate text or structured output.
Django in Action
A template language is a language embedded in templates for replacing values, accessing data, and controlling rendered output.
- How it is used
- Generates HTML or other text by combining template text with data supplied to Django’s template engine.
- How deep it goes
- Explains variable lookup, dot notation, tags, filters, and direct Template.render() use, while deferring detailed tag coverage.
- Examples
- Demonstrates a rendered greeting, lorem ipsum tags, conditional output, and song rows generated in an HTML table.
- What you can do after
- Apply it via Django Template and Context objects to render data-driven text and control displayed content with tags and filters.
Data Pipelines with Apache Airflow, Second Edition
Templating is the technique of generating a command or other text by substituting runtime values into a predefined template.
- How it is used
- Parameterizes Airflow tasks with runtime dates and paths so scheduled workflows can process the appropriate interval.
- How deep it goes
- Explains Jinja interpolation, zero-padding, operator argument allowlists, and PythonOperator’s distinct callable convention through worked pipeline examples.
- Examples
- Uses an hourly Wikipedia page-view URL and daily, date-partitioned ratings and rankings files.
- What you can do after
- Apply it via Jinja-enabled operator arguments or PythonOperator templates_dict, then inspect rendered arguments with airflow tasks render.
Read how Data Pipelines with Apache Airflow, Second Edition explains templating language →
The Well-Grounded Python Developer: How the pros use Python and Flask
A template language is a language for combining a document template with data to produce a completed output document.
- How it is used
- Combines dynamic application data with HTML before delivering a completed document to the browser.
- How deep it goes
- Defines placeholders, separate template files, and value substitution through a worked Flask example.
- Examples
- Uses a Python f-string, a Flask route, an index.html template, and a current-time heading.
- What you can do after
- Apply it via Flask and Jinja2 to render dynamic values inside browser-delivered HTML.
Related concepts
- Helmused by · Helm is a Kubernetes package manager and templating tool that defines, packages, installs, upgrades, and manages applications through charts.
- Jinjaincludes · Jinja is a Python templating engine that generates text by rendering templates containing static content, expressions, variables, and control structures with supplied data.
- JSXincludes · JSX is a JavaScript syntax extension for expressing user-interface elements with XML-like or HTML-like markup that is transformed into JavaScript.
- mockingused by · Mocking is a testing technique that replaces a real dependency with a controlled substitute to simulate behavior or inspect interactions.
- string formattingused by · String formatting is the construction of text from values according to a specified format or template.
These guides are generated from the text of Manning books by Manning's knowledge graph and link to the sections they draw on. The full books are available on liveBook and at manning.com.