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Generate static HTML documentation from JSON schemas

Project description

JSON Schema for Humans

Quickly generate a beautiful HTML static page documenting a JSON schema

Documentation (with visual examples)

Installation

pip install json-schema-for-humans

Usage

generate-schema-doc [OPTIONS] SCHEMA_FILE [RESULT_FILE]

SCHEMA_FILE must be a valid JSON Schema (in JSON or YAML format)

The default value for RESULT_FILE is schema_doc.html

Options

--expand-buttons

Off by default

Add an Expand all and a Collapse all button at the top of the generated documentation

--link-to-reused-ref/--no-link-to-reused-ref

On by default

If several $ref points to the same definition, only render the documentation for this definition the first time. All other occurrences are replaced by an achor link to the first occurrence.

--minify/--no-minify

On by default

Minify the output HTML document

--deprecated-from-description

Off by default

Mark a property as deprecated (with a big red badge) if the description contains the string [Deprecated

--default-from-description

Off by default

Extract the default value of a property from the description like this: [Default `the_default_value`]

The default value from the "default" attribute will be used in priority

--copy-css/--no-copy-css

On by default

Copy schema_doc.css to the same directory as RESULT_FILE.

--copy-js/--no-copy-js

On by default.

Copy schema_doc.min.js to the same directory as RESULT_FILE.

This file contains the logic for the anchor links

What's supported

See the excellent Understanding JSON Schema to understand what are those checks

The following are supported:

  • Types
  • Regular expressions
  • String length
  • Numeric types multiples and range
  • Constant and enumerated values
  • Required properties
  • Pattern properties
  • Default values
  • Array minItems, maxItems, uniqueItems, items (schema that must apply to all of the array items), and contains
  • Combining schema with oneOf, allOf, anyOf, and not
  • Examples
  • Conditional subschemas

These are not supported at the moment (PRs welcome!):

  • String format
  • Property names and size
  • Array items at specific index (for example, first item must be a string and second must be an integer)
  • Property dependencies
  • Media

References

References from inside a schema and to schemas in other files are supported (for example { $ref: "#/definitions/something" } will be replaced by the content of schema["definitions"]["something"]).

You can have a description next to a $ref, it will be displayed in priority to the description from the referenced element.

If you have several attributes using the same definition, the definition will only be rendered once. All other usages of the same definition will be replaced with an anchor link to the first render of the definition. This can be turned off using --no-link-to-reused-ref. See With references in the examples.

Anchor links

Clicking on a property or tab in the output documentation will set the hash of the current window. Opening this anchor link will expand all needed properties and scroll to this section of the schema. Useful for pointing your users to a specific setting.

For this feature to work, you need to include the Javascript file (schema_doc.min.js) that is automatically copied next to the output HTML file (schema_doc.html by default).

Development

Testing

Just run tox

tox

Modifying Javascript

schema_doc.js is not minified automatically, you are responsible for doing it yourself

Generating doc

The documentation is generated using jekyll and hosted on GitHub Pages

  • Change your current working directory to docs
  • Run python generate_examples.py. This will get all examples from tests/cases, render the resulting HTML and include it in the appropriate folders in the jekyll site.
  • If you have added an example, add the file name (without .json), the display name and description in _data/examples.yaml

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