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Flask extension to serve bower managed assets

=========== Flask-Bower

Flask-Bower provides a method to manage and serve bower <http://bower.io/>_ installed packages. This simplifies javascript dependency management a lot.

To provide this, there is a flask blueprint to serve content from your bower_components directory and use url_for() for serving the files same as serving files form flask static folder.

Usage

| Flask-Bower is available on PyPi: https://pypi.python.org/pypi/Flask-Bower/ | | So just add it to your requirements.txt or install using pip install flask-bower | | First you have to add it to your app

::

from flask_bower import Bower

[...]

Bower(app)

| This provides the /bower url route. | | Per default, the bower_components directory has to be inside the app directory (app/bower_components - like your static and templates directories). Another directory can be specified using BOWER_COMPONENTS_ROOT | | Install your packages like jquery with bower: bower install -S jquery

Now it should look like::

$ ls -1 app/bower_components/jquery MIT-LICENSE.txt bower.json dist src

To include and use this, you can use url_for()::

Configuration

There are several configuration options to customize the behavior:

BOWER_COMPONENTS_ROOT default: bower_components

Directory name containing your installed bower packages

BOWER_KEEP_DEPRECATED default: True

Keep deprecated functions available

Note: deprecated functions will be removed in future versions

affected functions:

  • bower_url_for - please migrate to url_for('bower.static', filename='component/path')

BOWER_QUERYSTRING_REVVING default: True

Append ?version= parameter to url (useful for cache busting by updates). It tries to detect the version in the following order:

  1. bower.json
  2. package.json (if available)
  3. file modification timestamp

BOWER_REPLACE_URL_FOR default: False

Replace flasks url_for() function in templates.

This is useful - but not recommended - to build an "overlay" for the static folder.

Warning: Replacing url_for() causes conflicts with other flask extensions like flask-cdn, since only one extension can replace url_for() at a time and the last registered extension wins.

BOWER_SUBDOMAIN default: None

Subdomain to serve the content like static (see flask blueprint documentation for subdomains)

BOWER_TRY_MINIFIED default: True

Check if a minified version is available and serve this instead (check if a file with <filename>.min.<ext> like jquery/dist/jquery.min.js exists)

BOWER_URL_PREFIX default: /bower

Customize the url prefix

Deprecations

bower_url_for(component, file)

|  This is now deprecated since it is a break of the development workflow due to the use of a different function than ``url_for()``, which is the default for url handling in flask.
|
|  Since v1.1.0 it is possible to use the default ``url_for()`` function also for flask assets::

::

    url_for('bower.static', filename='component/path')

Use of this new approach is recommended to all developers and to simplify the migration the ``bower_url_for()`` function will stay available for a while; though it can be disabled to help migrating (see ``BOWER_KEEP_DEPRECATED``)