Pretty

Display a pretty-formatted object.

• Focusable
• Container

Example

The example below shows a pretty-formatted dict, but Pretty can display any Python object.

Outputpretty.py

from textual.app import App, ComposeResult
from textual.widgets import Pretty

DATA = {
    "title": "Back to the Future",
    "releaseYear": 1985,
    "director": "Robert Zemeckis",
    "genre": "Adventure, Comedy, Sci-Fi",
    "cast": [
        {"actor": "Michael J. Fox", "character": "Marty McFly"},
        {"actor": "Christopher Lloyd", "character": "Dr. Emmett Brown"},
    ],
}


class PrettyExample(App):
    def compose(self) -> ComposeResult:
        yield Pretty(DATA)


app = PrettyExample()

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

Reactive Attributes

This widget has no reactive attributes.

Messages

This widget posts no messages.

Bindings

This widget has no bindings.

Component Classes

This widget has no component classes.

---

textual.widgets.Pretty class

def __init__(self, object, *, name=None, id=None, classes=None):

Bases: Widget

A pretty-printing widget.

Used to pretty-print any object.

Parameters

Name	Type	Description	Default
object	Any	The object to pretty-print.	required
name	str | None	The name of the pretty widget.	None
id	str | None	The ID of the pretty in the DOM.	None
classes	str | None	The CSS classes of the pretty.	None

update method

def update(self, object):

Update the content of the pretty widget.

Parameters

Name	Type	Description	Default
object	Any	The object to pretty-print.	required