7/28/2023 0 Comments Flask blueprint db![]() Structuring Flask App using Blueprint Create a new folder resources inside mongo-bag and a new file movie.py inside. Note: Blueprint and Flask-restful are not a replacement for each other, they can co-exist in a single project. With Flask Blueprints and application factory. Flask uses a concept of blueprints for making application components and supporting common patterns within an application or across applications. Flask-restful: It is an extension for Flask that helps your build REST APIs quickly and following best practices. You'd move everything but manage.py into a subdirectory, with a project-appropriate name, and move application.py to _init_.py. Ready to use template to understand Flask SQLAlchemy basic implementation, with examples. All modules in a single package are namespaced, kept separate from other top-level modules such as json and time and flask, so there won't be clashes when you want to use the same name for one of the additional modules in your project. It'd be better if everything was moved into a package, giving you more freedom over what names you use. Zach Todd 9 min read Once you've finished this post, you'll have a foundation on which to build the data model of your applications, using SQLAlchemy and Postgres. Blueprints can greatly simplify how large applications work and provide a central means for Flask extensions to register operations on applications. Flask, SQLAlchemy, and Postgres In the third SaaS app series post, we'll start building the data model for the application using SQLAlchemy and Postgres. But before we install them, let's create a virtual environment and activate it. Let's learn more about them and install them one by one. One thing to note: here the views module is now a top-level module next to application.py. Flask uses a concept of blueprints for making application components and supporting common patterns within an application or across applications. Basic knowledge of Flask and Flask Blueprints Get Your Tools Ready You'll need a few external libraries in this project. Blueprints can share the same prefix, including having no prefix. It's the explicit import and app.register_blueprint() call that ties any of the blueprints used in a Flask project into the final app's routes. (I use a convention of using the bp variable name for all my blueprints, and then just importing the module and registering the module.bp attribute). So yes, creating a views.py module is a good organisational idea, but do create a Blueprint() there too, and register that blueprint in the create_app() function with the Flask() app instance.Īnd in create_app() in application.py, add import views However, since the package uses a create_app() app factory, you can't register those routes with an decorator the app is not created in a way you can just import. You can add additional routes anywhere you want. Flask provides a feature called blueprints for making application components.
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