Lint rules¶

djangofmt's built-in lint rules, grouped by category. Each rule has a stable kebab-case name; click through for the rule's documentation, examples, and source location.

Correctness¶

Name	Message	Fix
invalid-attr-value	Invalid value '{}' for attribute '{}'.	None
untrimmed-blocktranslate	`{% blocktranslate %}` should declare `trimmed` to avoid leaking indentation into translation strings.	Always

Suspicious¶

Name	Message	Fix
django-static-url	Hardcoded static path in `{}`.	None
django-url-pattern	Hardcoded internal URL in `{}`.	None
javascript-url	Avoid `javascript:` URLs in `{}`.	None
duplicate-attr	Duplicate attribute `{}`.	None
use-https	Avoid `http://` URLs in `{}`.	Always
empty-tag-pair	Empty `<{}>` tag pair.	None

Style¶

Name	Message	Fix
empty-attr-value	Empty `{}` attribute can be removed.	Always
redundant-type-attr	Redundant type="{}" on <{}> tag.	Always
uppercase-form-method	Form method `{}` should be lowercase.	Always
form-action-whitespace	Extra whitespace found in form `action`.	Always
missing-doctype	Missing `<!DOCTYPE html>` declaration.	None

Accessibility¶

Name	Message	Fix
missing-html-lang	`<html>` tag should declare a `lang` attribute.	None
missing-title	Missing or empty `<title>` in `<head>`.	None
missing-img-alt	`<img>` tag should declare an `alt` attribute.	None
missing-img-dimensions	`<img>` tag should declare both `height` and `width` attributes.	None