Usage

from flaskext.yamlconfig import AppYAMLConfig
AppYAMLConfig(app, "main.yaml")

or

from flaskext.yamlconfig import install_yaml_config
from flaskext.yamlconfig import AppYAMLConfig

class MyConfig(AppYAMLConfig):
    def configure_mysection(self, content):
        for item in content:
            ....

yaml_config = install_yaml_config(app, MyConfig)
yaml_config("main.yaml")

Register a renderers

from flask import current_app
from flaskext.yamlconfig import Renderer, register_renderer
from werkzeug.wrappers import BaseResponse

class JsonRenderer(Renderer):
    def render(self, view_result):
        return current_app.response_class(json.dumps(view_result,
            indent=None if request.is_xhr else 2), mimetype='application/json')

register_renderer('json', JsonRenderer)

Config file sample

index:
    view: views.index.index
    url:
        - /
        - /page/<int:page>
    renderer: actions/index/index.html

blog_edit:
    view: views.blog.edit_blog
    url: /blog/edit/<blog_url>
    renderer: actions/blog/edit.html
    methods:
        - GET
        - POST
    context:
        w_group: empty

ajaxBlogJoin:
    view: views.blog.ajax_blog_join
    url: /ajax/blogjoin/<int:blog_id>
    methods:
        - POST
    renderer: json

View example

def index(context, request, page=1):
    '''Main page
    '''
    return dict(pages = Pager(Topic.all(), page))