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mopyx

Project description

mopyx is a MobX/Vue inspired reactive model driven UI library. UI Toolkit independent.

Installation

pip install mopyx

Usage

from mopyx import render, render_call, model


@model
class RootModel:
    def __init__(self):
        self.name = "initial name"
        self.desc = "initial description"
        self.title = "initial title"


class UiLabel:
    def __init__(self):
        self.label = None

    def set_label(self, label):
        self.label = label


class UiComponent:
    def __init__(self, model):
        self.model = model

        self.name = UiLabel()
        self.description = UiLabel()
        self.title = None

        self.update_data()

    @render
    def update_data(self):
        render_call(lambda: self.name.set_label(self.model.name))
        render_call(lambda: self.description.set_label(self.model.desc))

        self.title = self.model.title

You decorate you model classes with @model. Whenever properties change in the model, the @render function will be called again, but only for the components that are affected by the model update.

In order to partition the number of UI updates, only the relevant @render functions will be called, not always the topmost one.

If there is a component that’s too difficult to have its own @render for updates, you can also call the updates for that specific component using render_call() that will just wrap the given callable into a @render. For example if there is a Label component of some sort, you can just wrap it in render_calls.

Project details


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