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Wagtail Code Block provides PrismJS syntax highlighting in Wagtail.

Project description

Wagtail Code Block

Wagtail Code Block is a syntax highlighter block for source code for the Wagtail CMS. It features real-time highlighting in the Wagtail editor, the front end, line numbering, and support for PrismJS themes.

It uses the PrismJS library both in Wagtail Admin and the website.

Example Usage

from wagtailcodeblock.blocks import CodeBlock

class ContentStreamBlock(StreamBlock):
    heading = TextBlock()
    paragraph = TextBlock()
    code = CodeBlock(label='Code')

You can also force it to use a single language or set a default language by providing a language code which must be included in your WAGTAIL_CODE_BLOCK_LANGUAGES setting:

bash_code = CodeBlock(label='Bash Code', language='bash')
any_code = CodeBlock(label='Any code', default_language='python')

Screenshot of the CMS Editor Interface

Admin in Action

Installation & Setup

To install Wagtail Code Block simply run:

pip install wagtailcodeblock

And add wagtailcodeblock to your INSTALLED_APPS setting:

INSTALLED_APPS = [
    ...
    'wagtailcodeblock',
    ...
]

Django Settings

Line Numbers

Line numbers are enabled by default, but can be disabled in Django's settings:

WAGTAIL_CODE_BLOCK_LINE_NUMBERS = False

Themes

Wagtail Code Block defaults to the PrismJS "Coy" theme, which looks good with Wagtail's CMS editor design. You can choose a different theme by configuring WAGTAIL_CODE_BLOCK_THEME in your Django settings. PrismJS provides several themes:

For example, in you want to use the Solarized Light theme: WAGTAIL_CODE_BLOCK_THEME = 'solarizedlight' If you want to use the Default theme: WAGTAIL_CODE_BLOCK_THEME = None

Languages Available

You can customize the languages available by configuring WAGTAIL_CODE_BLOCK_LANGUAGES in your Django settings. By default, it will be set with these languages, since most users are in the Python web development community:

WAGTAIL_CODE_BLOCK_LANGUAGES = (
    ('bash', 'Bash/Shell'),
    ('css', 'CSS'),
    ('diff', 'diff'),
    ('html', 'HTML'),
    ('javascript', 'Javascript'),
    ('json', 'JSON'),
    ('python', 'Python'),
    ('scss', 'SCSS'),
    ('yaml', 'YAML'),
)

Each language in this setting is a tuple of the PrismJS code and a descriptive label. If you want use all available languages, here is a list:

WAGTAIL_CODE_BLOCK_LANGUAGES = (
    ('abap', 'ABAP'),
    ('abnf', 'Augmented Backus–Naur form'),
    ('actionscript', 'ActionScript'),
    ('ada', 'Ada'),
    ('antlr4', 'ANTLR4'),
    ('apacheconf', 'Apache Configuration'),
    ('apl', 'APL'),
    ('applescript', 'AppleScript'),
    ('aql', 'AQL'),
    ('arduino', 'Arduino'),
    ('arff', 'ARFF'),
    ('asciidoc', 'AsciiDoc'),
    ('asm6502', '6502 Assembly'),
    ('aspnet', 'ASP.NET (C#)'),
    ('autohotkey', 'AutoHotkey'),
    ('autoit', 'AutoIt'),
    ('bash', 'Bash + Shell'),
    ('basic', 'BASIC'),
    ('batch', 'Batch'),
    ('bison', 'Bison'),
    ('bnf', 'Backus–Naur form + Routing Backus–Naur form'),
    ('brainfuck', 'Brainfuck'),
    ('bro', 'Bro'),
    ('c', 'C'),
    ('clike', 'C-like'),
    ('cmake', 'CMake'),
    ('csharp', 'C#'),
    ('cpp', 'C++'),
    ('cil', 'CIL'),
    ('coffeescript', 'CoffeeScript'),
    ('clojure', 'Clojure'),
    ('crystal', 'Crystal'),
    ('csp', 'Content-Security-Policy'),
    ('css', 'CSS'),
    ('css-extras', 'CSS Extras'),
    ('d', 'D'),
    ('dart', 'Dart'),
    ('diff', 'Diff'),
    ('django', 'Django/Jinja2'),
    ('dns-zone-file', 'DNS Zone File'),
    ('docker', 'Docker'),
    ('ebnf', 'Extended Backus–Naur form'),
    ('eiffel', 'Eiffel'),
    ('ejs', 'EJS'),
    ('elixir', 'Elixir'),
    ('elm', 'Elm'),
    ('erb', 'ERB'),
    ('erlang', 'Erlang'),
    ('etlua', 'Embedded LUA Templating'),
    ('fsharp', 'F#'),
    ('flow', 'Flow'),
    ('fortran', 'Fortran'),
    ('ftl', 'Freemarker Template Language'),
    ('gcode', 'G-code'),
    ('gdscript', 'GDScript'),
    ('gedcom', 'GEDCOM'),
    ('gherkin', 'Gherkin'),
    ('git', 'Git'),
    ('glsl', 'GLSL'),
    ('gml', 'GameMaker Language'),
    ('go', 'Go'),
    ('graphql', 'GraphQL'),
    ('groovy', 'Groovy'),
    ('haml', 'Haml'),
    ('handlebars', 'Handlebars'),
    ('haskell', 'Haskell'),
    ('haxe', 'Haxe'),
    ('hcl', 'HCL'),
    ('http', 'HTTP'),
    ('hpkp', 'HTTP Public-Key-Pins'),
    ('hsts', 'HTTP Strict-Transport-Security'),
    ('ichigojam', 'IchigoJam'),
    ('icon', 'Icon'),
    ('inform7', 'Inform 7'),
    ('ini', 'Ini'),
    ('io', 'Io'),
    ('j', 'J'),
    ('java', 'Java'),
    ('javadoc', 'JavaDoc'),
    ('javadoclike', 'JavaDoc-like'),
    ('javascript', 'JavaScript'),
    ('javastacktrace', 'Java stack trace'),
    ('jolie', 'Jolie'),
    ('jq', 'JQ'),
    ('jsdoc', 'JSDoc'),
    ('js-extras', 'JS Extras'),
    ('js-templates', 'JS Templates'),
    ('json', 'JSON'),
    ('jsonp', 'JSONP'),
    ('json5', 'JSON5'),
    ('julia', 'Julia'),
    ('keyman', 'Keyman'),
    ('kotlin', 'Kotlin'),
    ('latex', 'LaTeX'),
    ('less', 'Less'),
    ('lilypond', 'Lilypond'),
    ('liquid', 'Liquid'),
    ('lisp', 'Lisp'),
    ('livescript', 'LiveScript'),
    ('lolcode', 'LOLCODE'),
    ('lua', 'Lua'),
    ('makefile', 'Makefile'),
    ('markdown', 'Markdown'),
    ('markup', 'Markup + HTML + XML + SVG + MathML'),
    ('markup-templating', 'Markup templating'),
    ('matlab', 'MATLAB'),
    ('mel', 'MEL'),
    ('mizar', 'Mizar'),
    ('monkey', 'Monkey'),
    ('n1ql', 'N1QL'),
    ('n4js', 'N4JS'),
    ('nand2tetris-hdl', 'Nand To Tetris HDL'),
    ('nasm', 'NASM'),
    ('nginx', 'nginx'),
    ('nim', 'Nim'),
    ('nix', 'Nix'),
    ('nsis', 'NSIS'),
    ('objectivec', 'Objective-C'),
    ('ocaml', 'OCaml'),
    ('opencl', 'OpenCL'),
    ('oz', 'Oz'),
    ('parigp', 'PARI/GP'),
    ('parser', 'Parser'),
    ('pascal', 'Pascal + Object Pascal'),
    ('pascaligo', 'Pascaligo'),
    ('pcaxis', 'PC Axis'),
    ('perl', 'Perl'),
    ('php', 'PHP'),
    ('phpdoc', 'PHPDoc'),
    ('php-extras', 'PHP Extras'),
    ('plsql', 'PL/SQL'),
    ('powershell', 'PowerShell'),
    ('processing', 'Processing'),
    ('prolog', 'Prolog'),
    ('properties', '.properties'),
    ('protobuf', 'Protocol Buffers'),
    ('pug', 'Pug'),
    ('puppet', 'Puppet'),
    ('pure', 'Pure'),
    ('python', 'Python'),
    ('q', 'Q (kdb+ database)'),
    ('qore', 'Qore'),
    ('r', 'R'),
    ('jsx', 'React JSX'),
    ('tsx', 'React TSX'),
    ('renpy', 'Ren\'py'),
    ('reason', 'Reason'),
    ('regex', 'Regex'),
    ('rest', 'reST (reStructuredText)'),
    ('rip', 'Rip'),
    ('roboconf', 'Roboconf'),
    ('robot-framework', 'Robot Framework'),
    ('ruby', 'Ruby'),
    ('rust', 'Rust'),
    ('sas', 'SAS'),
    ('sass', 'Sass (Sass)'),
    ('scss', 'Sass (Scss)'),
    ('scala', 'Scala'),
    ('scheme', 'Scheme'),
    ('shell-session', 'Shell Session'),
    ('smalltalk', 'Smalltalk'),
    ('smarty', 'Smarty'),
    ('solidity', 'Solidity (Ethereum)'),
    ('sparql', 'SPARQL'),
    ('splunk-spl', 'Splunk SPL'),
    ('sqf', 'SQF: Status Quo Function (Arma 3)'),
    ('sql', 'SQL'),
    ('soy', 'Soy (Closure Template)'),
    ('stylus', 'Stylus'),
    ('swift', 'Swift'),
    ('tap', 'TAP'),
    ('tcl', 'Tcl'),
    ('textile', 'Textile'),
    ('toml', 'TOML'),
    ('tt2', 'Template Toolkit 2'),
    ('twig', 'Twig'),
    ('typescript', 'TypeScript'),
    ('t4-cs', 'T4 Text Templates (C#)'),
    ('t4-vb', 'T4 Text Templates (VB)'),
    ('t4-templating', 'T4 templating'),
    ('vala', 'Vala'),
    ('vbnet', 'VB.Net'),
    ('velocity', 'Velocity'),
    ('verilog', 'Verilog'),
    ('vhdl', 'VHDL'),
    ('vim', 'vim'),
    ('visual-basic', 'Visual Basic'),
    ('wasm', 'WebAssembly'),
    ('wiki', 'Wiki markup'),
    ('xeora', 'Xeora + XeoraCube'),
    ('xojo', 'Xojo (REALbasic)'),
    ('xquery', 'XQuery'),
    ('yaml', 'YAML'),
    ('zig', 'Zig'),
)

Release Notes

Release notes are available on GitHub.

Project Maintainers

Contributors

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