'Perform initialization actions with the given :class:`flask.Flask`
object.
:param app: The flask application object
:type app: flask.Flask'

def _init_app(self, app):

    app.handle_exception = partial(self.error_router, app.handle_exception)
    app.handle_user_exception = partial(self.error_router, app.handle_user_exception)
    if (len(self.resources) > 0):
        for (resource, urls, kwargs) in self.resources:
            self._register_view(app, resource, *urls, **kwargs)
