Question 1

how to use pongo2 with gin web framework

Accepted Answer

pongo2 can be integrated with Gin using middleware like ginpongo2 or pongo2gin. These packages provide renderers that allow you to easily set pongo2 as the template engine for Gin routes, handling context passing and response writing.

Question 2

pongo2 vs go standard html/template

Accepted Answer

pongo2 offers a more expressive, Django-like syntax with advanced features like macros and complex expressions, while Go's html/template is simpler and more secure by default. Choose pongo2 for familiarity with Django or need for advanced logic; use html/template for minimal, secure templates with Go idioms.

Question 3

how to create custom filters in pongo2

Accepted Answer

Custom filters can be created by implementing a function with the correct signature and registering it using pongo2.RegisterFilter. The documentation on custom extensions provides examples and details on argument parsing for more complex filters.

Question 4

does pongo2 support template inheritance

Accepted Answer

pongo2 does not support Django-style template inheritance directly; instead, it uses macros for reusability. Macros allow defining and importing reusable fragments with arguments, which can simulate inheritance but with a different approach.

Question 5

pongo2 sandboxing security how to

Accepted Answer

Sandboxing in pongo2 is achieved through TemplateSets, which can restrict directory access, ban specific tags or filters, and enforce autoescaping. The security documentation outlines how to configure these features to safely execute user-provided templates.

Question 6

how to set up markdown filter in pongo2

Accepted Answer

To use the markdown filter, you need to install the pongo2-addons package and register its filters. This external library provides additional filters like markdown, requiring an extra dependency but extending pongo2's functionality.

Question 7

pongo2 performance benchmarks compared to other templating engines

Accepted Answer

pongo2 is built in Go and generally offers good performance, but specific benchmarks are not provided in the README. For high-throughput applications, it's recommended to test with your use case, as performance can depend on template complexity and execution context.

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