Python flask_assets 模块，Bundle() 实例源码

def create_app():
    app = Flask(__name__)
    app.config.from_object(config_dict[FLASK_CONFIGURATION])
    app.secret_key = secret_key
    Bootstrap(app)
    assets = Environment(app)
    js_files = Bundle('justgage.js', 'raphael-2.1.4.min.js', filters='rjsmin', output='gen/minified.js')
    assets.register('js_files', js_files)
    nav.init_app(app)
    from .blueprints import bp
    app.register_blueprint(bp)
    global celery
    celery = make_celery(app)

    @app.errorhandler(404)
    def fournotfour(_):
        return render_template("404page.html"), 404

    @app.errorhandler(500)
    def fivezerozero(_):
        return render_template("500page.html"), 500
    return app

def assets(self, app):
        bundles = {
            'home_js': Bundle(
                'bootstrap/js/jquery.min.js',
                'bootstrap/bootstrap/js/bootstrap.min.js',
                output='assets/home.js',
                filters='jsmin'),
            'home_css': Bundle(
                'bootstrap/bootstrap/css/bootstrap.min.css',
                'bootstrap/css/honmaple.css',
                output='assets/home.css',
                filters='cssmin')
        }
        if self.use_auth:
            auth_js = ('bootstrap/js/honmaple.js', 'bootstrap/js/login.js')
            bundles['home_js'].contents = bundles['home_js'].contents + auth_js
        if self.css:
            bundles['home_css'].contents = bundles[
                'home_css'].contents + self.css
        if self.js:
            bundles['home_js'].contents = bundles['home_js'].contents + self.js

        assets = Environment(app)
        assets.register(bundles)

def init(app=None):
    app = app or Flask(__name__)

    with app.app_context():
        env = Environment(app)
        env.load_path = [path.join(path.dirname(__file__), 'assets')]
        env.url = app.static_url_path
        env.directory = app.static_folder
        env.auto_build = app.debug
        env.manifest = 'file'

        scss = Bundle('stylesheet.scss', filters='pyscss', output='stylesheet.css')
        env.register('scss_all', scss)

        bundles = [scss]
        return bundles

def css_default():
    """Default CSS for the entire app"""
    BOOTSTRAP_LESS = "less/bootstrap.less"

    return Bundle(
        BOOTSTRAP_LESS,
        filters="less",
        depends="less/**/*.less",
        output="compiled/%(version)s.css", )

def css_blog():
    """Default CSS for the entire app"""
    BOOTSTRAP_LESS = "less/bootstrap.less"

    return Bundle(
        BOOTSTRAP_LESS,
        filters="less",
        depends="less/**/*.less",
        output="compiled/bootstrap.css", )

def create_assets(assets):
    # js = Bundle(
    #     'vendor/jquery/dist/jquery.min.js',
    #     output='js/libs.js'
    # )
    # assets.register('JS_FRAMEWORS', js)

    css = Bundle(
        'css/sticky-footer.css',
        output='css/min.css'
    )
    assets.register('CSS_FRAMEWORKS', css)

def create_app(config_name):
    app = Flask(__name__)
    app.config.from_object(config[config_name])
    config[config_name].init_app(app)

    bootstrap.init_app(app)
    mail.init_app(app)
    moment.init_app(app)
    db.init_app(app)
    login_manager.init_app(app)
    pagedown.init_app(app)
    assets.init_app(app)
    if config_name == "testing":
        assets._named_bundles = {} # quick fix for flask testng and flask assets
    js = Bundle('js/index.js',filters='jsmin', output='gen/packed.js')
    assets.register('js_all', js)
    css = Bundle('css/index.css',filters='cssmin',output='css/min.css')
    assets.register('css_all', css)

    from main import main as main_blueprint
    app.register_blueprint(main_blueprint)

    from auth import auth as auth_blueprint
    app.register_blueprint(auth_blueprint, url_prefix='/auth')

    from admin import admin as admin_blueprint
    app.register_blueprint(admin_blueprint, url_prefix='/admin')

    from api_1_0 import api as api_1_0_blueprint
    app.register_blueprint(api_1_0_blueprint, url_prefix='/api/v1.0')

    return app