def create_app(context: str = 'prod') -> DashAppInstance:
"""
create_app initializes the app instance
Args:
context (str, optional): One of either 'prod', 'dev', 'testing.
Defaults to 'prod' where dash.Dash.run_server(debug=False).
Change to 'dev' or 'test' to set debug to true.
Returns:
Env: Config variables based on context argument received
DashAppInstance: Dash instance with appropriate configuration settings
"""
Env = from_object(context)
LANGUAGE = Env.LANG
body = Root(
LANGUAGE,
Parameters.create(os.environ, []),
)
App = Dash(
__name__,
external_stylesheets=body.external_stylesheets,
external_scripts=body.external_scripts,
)
App.title = Env.CHIME_TITLE
App.layout = body.html
wrap_callbacks(App)
return Env, App
def create_params_from_file(file: str):
"""
Create CHIME Parameters object from input config file.
:param file:
:return: Parameters object
"""
args = ['--parameters', file]
p = Parameters.create(os.environ, args)
return p