Flask-Blueprints-Loader is an extension for Flask that automatically discovers and registers Blueprint for your application.

• Automatic loading and registration of Flask blueprints.
• Easy configuration via Flask app configuration variables.

Flask-Blueprints-Loader is particularly useful for Large Applications as Packages that heavily rely on blueprints. Instead of manually registering each blueprint, this extension allows you to automate the process by automatically discovering and registering all blueprints for your application.

Flask-Blueprints-Loader is available on PyPI and can be installed with various Python Application dependency management tools.

Install using pip:

pip install flask-blueprints-loader

• Application Instance Pattern

from flask import Flask
from flask_blueprints_loader import BlueprintsLoader

app = Flask(__name__)
loader = BlueprintsLoader(app)

with app.app_context():
    loader.load_blueprints()

• Application Factories Pattern

from flask import Flask
from flask_blueprints_loader import BlueprintsLoader

loader = BlueprintsLoader()

def create_app():
    app = Flask(__name__)
    loader.init_app(app)

    with app.app_context():
        loader.load_blueprints()

    return app

Flask-Blueprints-Loader expects your blueprints to be organized in a specific directory structure. By default, it looks for blueprints under the current_app.root_path directory or in the subdirectory specified by the BLUEPRINTS_LOADER_PATH_NAME configuration parameter. Each blueprint should be in its own package and contain a module named "views" (or as specified by the BLUEPRINTS_LOADER_MODULE_NAME configuration parameter) that defines the Blueprint instance and route definitions. If your blueprints are not organized in this way, you may need to make changes to your code to use Flask-Blueprints-Loader.

BLUEPRINTS_LOADER_PATH_NAME (str) : The name of the subdirectory containing the blueprints. By default, blueprints are under the current_app.root_path.

BLUEPRINTS_LOADER_MODULE_NAME (str) : The name of the module containing the blueprints. By default, it is set to "views".

BLUEPRINTS_LOADER_UNLOADS (list) : A list of blueprint names to exclude from loading. By default, it is an empty list.

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This project is under the MIT license.