layoutml

LayoutML - a library for creating HTML pages using Python

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Project description

LayoutML

LayoutML (Layout Markup Library) is a library that allows you to describe the structure of web pages directly in code, turning Python into a markup language for web interfaces.

Key Features

Create HTML elements using Python classes
Define CSS styles programmatically
Component-based approach (reusable layout blocks)
Clean and declarative syntax
Generate pure HTML/CSS without unnecessary code
Easy integration with FastAPI, Flask, Django
Lightweight with no external dependencies

Who is it for

Python developers who don’t want to write HTML manually
Backend developers (FastAPI / Django / Flask)
Educational projects
Generating HTML reports and interfaces
Building custom web frameworks on top of LayoutML

Core Classes

CSSBase - Base class for working with CSS styles
CSSInline - Class for inline styles
CSSSelectors - Class for managing CSS selectors

Base Elements

BaseElement - Base class for all HTML elements
HTMLElement - Class for handling HTML attributes

Semantic Elements

Header - Semantic <header> element
Main - Semantic <main> element
Footer - Semantic <footer> element
Nav - Semantic <nav> element
Section - Semantic <section> element
Article - Semantic <article> element
Aside - Semantic <aside> element

Text Elements

Paragraph - <p> element
Span - Inline container <span>
Anchor - Link <a>
Heading - Headings <h1>-<h6>
ListElement - Base class for lists
UnorderedList - <ul>
OrderedList - <ol>

Media Elements

Image - <img>

Form Elements

Form - Base form class
FormElement - <input>
Input - Specialized input
Label - <label>
Button - <button>
Select - <select>
Textarea - <textarea>

Layout

Layout - Base layout (Flexbox)
HorizontalLayout - Horizontal layout
VerticalLayout - Vertical layout

Document Structure

Head - <head>
Body - <body>
Page - Full HTML document

Routing

Router - URL routing class

Application

LayoutML - Main application class

Quick Start

Installation

pip install layoutml

Example Usage

This section provides examples of building web applications using LayoutML. You will learn how to create pages, add elements, and run the server.

Basic Run

The simplest way to run a LayoutML application:

from layoutml import LayoutML, Page
from layoutml.elements import Header, Paragraph, Button

class BasePage(Page):
    def __init__(self, doctype="html", title="LayoutML", lang="en", object_name=None, **kwargs):
        super().__init__(doctype, title, lang, object_name, **kwargs)
        self.head.set_icon("ico/logo.ico")


# Create the application
app = LayoutML()

# Define a route
@app.route("/")
def home():
    page = BasePage(title="Home")

    # Create elements
    header = Header()
    header.get_html(content="<h1>Welcome!</h1>")

    paragraph = Paragraph(text="This is an example of using LayoutML")

    button = Button(text="Click me", onclick="alert('Hello!')")

    # Add elements to the page
    page.body.add_element(header)
    page.body.add_element(paragraph)
    page.body.add_element(button)

    return page

# Run the application
if __name__ == "__main__":
    app.start(host="localhost", port=3700)

Running via Uvicorn from the Command Line

You can run the application using Uvicorn from the terminal:

pip install uvicorn
uvicorn main:app --host localhost --port 3700 --reload

Where main is the name of your Python file, and app is the name of your LayoutML application instance.

Running via Uvicorn from Python Code

You can also run Uvicorn directly from a Python script:

if __name__ == "__main__":
    uvicorn.run(app, host="localhost", port=3700)

Creating Multiple Routes

Example of an application with multiple pages:

from layoutml import LayoutML, Page
from layoutml.elements import Header, Paragraph, Button, Anchor

app = LayoutML()

@app.route("/")
def home():
    page = Page(title="Home")

    header = Header()
    header.get_html(content="<h1>Home Page</h1>")

    paragraph = Paragraph(text="Welcome to our website!")

    link = Anchor(href="/about", text="About Us")

    page.body.add_element(header)
    page.body.add_element(paragraph)
    page.body.add_element(link)

    return page

@app.route("/about")
def about():
    page = Page(title="About")

    header = Header()
    header.get_html(content="<h1>About Our Company</h1>")

    paragraph = Paragraph(text="We build web applications using LayoutML")

    back_link = Anchor(href="/", text="Back to Home")

    page.body.add_element(header)
    page.body.add_element(paragraph)
    page.body.add_element(back_link)

    return page

if __name__ == "__main__":
    app.start()

Using Route Parameters

You can create dynamic pages with parameters in the URL:

from layoutml import LayoutML, Page
from layoutml.elements import Header, Paragraph

app = LayoutML()

@app.route("/user/<username>")
def user_profile(username: str):
    page = Page(title=f"Profile {username}")

    header = Header()
    header.get_html(content=f"<h1>User Profile: {username}</h1>")

    paragraph = Paragraph(text=f"Welcome, {username}!")

    page.body.add_element(header)
    page.body.add_element(paragraph)

    return page

if __name__ == "__main__":
    app.start()

Adding CSS Styles

Example of a page with custom styles:

from layoutml import LayoutML, Page
from layoutml.elements import Header, Paragraph, Button

app = LayoutML()

@app.route("/")
def styled_page():
    page = Page(title="Styled Page")

    # Create an element with CSS classes
    header = Header(class_="main-header")
    header.get_html(content="<h1>Styled Page</h1>")

    paragraph = Paragraph(
        text="This text is styled using CSS",
        class_="highlight-text"
    )

    button = Button(
        text="Styled Button",
        class_="custom-button",
        style="padding: 10px 20px; background: #007bff; color: white; border: none; border-radius: 5px;"
    )

    # Add CSS styles via the head object
    page.head.selectors_styles.add_selector(".main-header")\
        .set_background_color("#f8f9fa")\
        .set_padding("20px")\
        .set_text_align("center")

    page.head.selectors_styles.add_selector(".highlight-text")\
        .set_color("#007bff")\
        .set_font_size("18px")\
        .set_font_weight("bold")

    page.head.selectors_styles.add_selector(".custom-button:hover")\
        .set_background_color("#0056b3")\
        .set_transform("scale(1.05)")

    page.body.add_element(header)
    page.body.add_element(paragraph)
    page.body.add_element(button)

    return page

if __name__ == "__main__":
    app.start()

Using Layouts

Creating a page using horizontal and vertical layouts:

from layoutml import LayoutML, Page
from layoutml.elements import Header, Paragraph, Button
from layoutml.layout import HorizontalLayout, VerticalLayout

app = LayoutML()

@app.route("/")
def layout_example():
    page = Page(title="Layout Example")

    # Vertical layout for the entire page
    main_layout = VerticalLayout(object_name="mainLayout")
    main_layout.object_styles.set_gap("20px").set_padding("20px")

    # Horizontal layout for navigation
    nav_layout = HorizontalLayout(object_name="navLayout")
    nav_layout.object_styles.set_justify_content("space-between")

    nav_layout.add_element(Button(text="Home"))
    nav_layout.add_element(Button(text="About"))
    nav_layout.add_element(Button(text="Contacts"))

    # Horizontal layout for cards
    cards_layout = HorizontalLayout(object_name="cardsLayout")
    cards_layout.object_styles.set_gap("20px").set_justify_content("center")

    for i in range(3):
        card = VerticalLayout(object_name=f"card{i}")
        card.object_styles.set_border("1px solid #ddd")\
                          .set_padding("15px")\
                          .set_border_radius("8px")\
                          .set_width("200px")

        card.add_element(Paragraph(text=f"Card {i+1}"))
        card.add_element(Button(text="Learn More"))
        cards_layout.add_element(card)

    main_layout.add_elements(nav_layout, cards_layout)
    page.body.add_element(main_layout)

    return page

if __name__ == "__main__":
    app.start()

Handling Forms

Example of creating a page with a form and handling data:

from layoutml import LayoutML, Page
from layoutml.elements import Input, Button, Label, Paragraph

app = LayoutML()

@app.route("/contact", methods=["GET", "POST"])
def contact_page():
    page = Page(title="Contacts")

    page.body.add_element(Paragraph(text="Get in touch with us"))

    # Create a form
    form = BaseElement(tag="form", method="post", action="/submit")

    # Name field
    form.add_element(Label(for_id="name", text="Name:"))
    form.add_element(Input(id="name", name="name", required=True))

    # Email field
    form.add_element(Label(for_id="email", text="Email:"))
    form.add_element(Input(type="email", id="email", name="email", required=True))

    # Submit button
    form.add_element(Button(text="Submit", type="submit"))

    page.body.add_element(form)

    return page

if __name__ == "__main__":
    app.start()

Development Tips

Development mode: Use the --reload flag when running via Uvicorn for automatic server reload on code changes.
Debugging: You can print route information using the print_routes() method:

app.print_routes()

Code organization: For larger applications, it is recommended to split routes into modules:

# routes.py
from layoutml import LayoutML

app = LayoutML()

# Import routes from other modules
from .home_routes import home_router
from .api_routes import api_router

app.include_router(home_router)
app.include_router(api_router, prefix="/api")

Asynchronous handlers: LayoutML supports async functions for route handling:

@app.route("/async-data")
async def async_data():
    data = await fetch_data_from_db()
    page = Page(title="Data")
    page.body.add_element(Paragraph(text=str(data)))
    return page

))())()()() After запуск the server will be available at http://localhost:3700

Project Status

LayoutML is under active development.

📄 License

MIT License

Feedback

I am always happy to receive your feedback and suggestions for improving LayoutML. Please leave your comments.

Project details

These details have not been verified by PyPI

Project links

Homepage

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1.0.9

May 10, 2026

1.0.8

May 8, 2026

1.0.7

May 8, 2026

1.0.6

May 8, 2026

1.0.5

May 3, 2026

1.0.4

May 3, 2026

This version

1.0.3

Apr 26, 2026

1.0.2

Apr 26, 2026

1.0.1

Apr 26, 2026

1.0.0

Apr 26, 2026

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layoutml 1.0.3

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Project links

Meta

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Project description

Key Features

Who is it for

Contents

Core Classes

Base Elements

Semantic Elements

Text Elements

Media Elements

Form Elements

Layout

Document Structure

Routing

Application

Quick Start

Installation

Example Usage

Basic Run

Running via Uvicorn from the Command Line

Running via Uvicorn from Python Code

Creating Multiple Routes

Using Route Parameters

Adding CSS Styles

Using Layouts

Handling Forms

Development Tips

Project Status

📄 License

Feedback

Project details

Verified details

Maintainers

Unverified details

Project links

Meta

Classifiers

Release history Release notifications | RSS feed

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