A beautiful python syntax to generate HTML.
Project description
Syntags lets you generate HTML, XML, SVG, etc. by writing concise, real Python code.
Syntags was built from the ground up for readable code. First-class support for components, custom elements, and fragments is baked into the design.
Syntags takes a different approach to Pyxl — taking Python's own syntax and repurposing it, rather than using a custom character encoding and transforming your invalid code into valid code.
- The code you write is real Python, no magic.
- You don't need to learn the quirks of a new syntax.
- It's easy to get started with and integrate into your code.
- Highlighting works, and your linter will only be slightly angry.
A brief note on the syntax ~
PEP 8 isn't gospel. Creating a beautiful syntax means ignoring certain parts of it, and that's okay! The second section, "A Foolish Consistency is the Hobgoblin of Little Minds," even summarises this.
View a relevant excerpt
. . . know when to be inconsistent -- sometimes style guide recommendations just aren't applicable. When in doubt, use your best judgment. Look at other examples and decide what looks best.
Some other good reasons to ignore a particular guideline:
When applying the guideline would make the code less readable, even for someone who is used to reading code that follows this PEP.
. . .
Check out the Syntags styleguide for recommendations on how to maintain good code quality.
Features
an expressive syntax that makes sense
Structured like a programming language, because it is one. No context switching between templating and programming.
import syntags as tags
from syntags.html import *
app = html (lang="en") [
head [
title ["Some basic markup"]
],
body [
main [
... # etc...
]
]
]
rendered = tags.render(app)
intuitive syntax shorthands
It's effortless to write compact code that's easy to read and maintain.
body [
div .main_wrapper / main [
...
]
]
# The same, but without the shorthand:
body [
div (classes={"main-wrapper"}) [
main [
...
]
]
]
reusable, declarative components
Similar to React, but very much Python.
import syntags as tags
from syntags.html import *
@tags.component
def hello_message(name, **attrs):
return div [
f"Hello {name}"
]
rv = tags.render(hello_message (name="world"))
View the React JSX equivalent
import React from "react";
import ReactDOMServer from "react-dom/server";
function HelloMessage({ name, ...props }) {
return (
<div>
Hello {name}
</div>
);
}
rv = ReactDOMServer.renderToStaticMarkup(<HelloMessage name="world" />)
Keep in mind, this is in JSX. Compiling it is yet another step. Syntags' syntax is pure Python, no intermediate steps required.
first-class fragments, no wizardry required
Fragments are just a sequence of elements, and they can be nested infinitely.
HEAD_DATA = [
link (rel="canonical", href="https://rob.ac/"),
link (rel="stylesheet", href="dist/css/layout.css"),
link (rel="shortcut icon", href="favicon.ico", type="image/x-icon")
]
html (lang="en") [
head [
HEAD_DATA
],
...
]
simple, safe rendering
Everything becomes a string and gets escaped, except for raw strings.
import syntags as tags
from syntags.html import *
rendered = tags.render(
html (lang="en") [
tags.raw("""
<head>
<title>A good example</title>
<meta charset="UTF-8">
</head>
"""),
body [
p [
"<b>This will get escaped</b>"
]
]
]
)
more than just HTML
Syntags comes with a bunch of namespaces to make your life easy.
- HTML tags:
html - XML prolog and tag factory:
xml - Some predefined XML namespaces:
svg,rss,sitemap - Common, useful components:
ext
Install
You can use Pip, or anything that can install from PyPI, such as Poetry or Pipenv.
$ pip install syntags
+ Markdown component (syntags.ext.markdown)
$ pip install syntags[markdown]
License
Syntags is licensed under the ISC license, a simplified version of the MIT license. You can modify this project and use it in whatever you want! The only condition for redistribution is that you must include a copy of the license.
There's a copy in syntags/__init__.py, so you'll be fine as long as you don't remove that! Otherwise, you can include the copy found in the root of the repository.
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