app.py 文件源码

def setup_components(app):
    # bootstrap
    Bootstrap(app)

    # sqlalchemy
    models.db.init_app(app)

    # security
    user_datastore = SQLAlchemyUserDatastore(models.db, models.User,
                                             models.Role)
    security = Security(app, user_datastore)

    # admin
    ModelView.page_size = app.config.get('SLIM_ITEMS_PER_PAGE', 5)
    admin.name = app.config.get('SLIM_APPNAME', 'SLiM')
    admin.init_app(app)

    # define a context processor for merging flask-admin's template context
    # into the flask-security views.
    @security.context_processor
    def security_context_processor():
        return dict(
            admin_base_template=admin.base_template,
            admin_view=admin.index_view,
            h=admin_helpers,
            get_url=url_for
        )

    # nav
    nav.init_app(app)

    # flask-uploads
    # patch_request_class(app, app.config['MAX_CONTENT_LENGTH'])
    request_uploader = UploadSet('requests',
                                 app.config['SLIM_REQUEST_EXTENSIONS'])
    configure_uploads(app, request_uploader)

    # components
    components = dict(
        user_datastore=user_datastore,
        security=security,
        request_uploader=request_uploader,
    )

    return components