v0.0.8: component_callbacks and self.Input, self.Output

Version 0.0.8:

Breaking Changes

• component callbacks should now be declared in def component_callbacks(self, app) instead of _register_callbacks(self, app). Although for now the old _register_callbacks() will still work.

New Features

• added .id(), .Input(), .Output() and .State() methods to DashComponent
  • basically just tags +'-'+self.name to the end of a component_id
  • results in somewhat cleaner callbacks:

    html.Div(id=self.id("output-div")
    
    @app.callback(
        self.Output("output-div", "children"),
        self.Input("input-first-n", "value")
    )
    def update_div(first_n):
        ...