text: # coding: utf-8
  
  """
      ext
      ~~~
  
      Good place for pluggable extensions.
  
      :copyright: (c) 2015 by Roman Zaiev.
      :license: BSD, see LICENSE for more details.
  """
  
  from flask_debugtoolbar import DebugToolbarExtension
  from flask_gravatar import Gravatar
  from flask_login import LoginManager
  from flask_sqlalchemy import SQLAlchemy
  from flask_assets import Environment
  
  
  db = SQLAlchemy()
  assets = Environment()
  login_manager = LoginManager()
  gravatar = Gravatar(size=50)
  toolbar = DebugToolbarExtension()
  
  # Almost any modern Flask extension has special init_app()
  # method for deferred app binding. But there are a couple of
  # popular extensions that no nothing about such use case.
  # Or, maybe, you have to use some app.config settings
  
  # gravatar = lambda app: Gravatar(app, size=50)
  