text: #coding=utf-8
  import sys,os
  BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
  sys.path.append(str(BASE_DIR))
  
  from flask import Flask
  
  def create_app(test_config=None):
      # create and configure the app
      app = Flask(__name__, instance_relative_config=True,static_url_path='',static_folder='templates')
      app.config.from_mapping(
          SECRET_KEY='dev',
          DATABASE=os.path.join(app.instance_path, 'flaskr.sql'),
      )
  
      #app.config.from_object('settings')
      if test_config is None:
          # load the instance config, if it exists, when not testing
          app.config.from_pyfile('config.py', silent=True)
      else:
          # load the test config if passed in
          app.config.from_mapping(test_config)
  
      # ensure the instance folder exists
      try:
          os.makedirs(app.instance_path)
      except OSError:
          pass
          
      from . import database, routes, services
      database.init_app(app)
      routes.init_app(app)
      services.init_app(app)
      
      return app