new_contents: from smoke_signal import app, init_db
  from smoke_signal.database.helpers import add_feed
  from utils.generate_feed import SampleFeed
  
  from os import walk
  
  feeds_dir = app.root_path + "/test_resources/feeds/"
  
  app.config['DATABASE_PATH'] = 'sqlite:///smoke_signal/test_resources/posts.db'
  
  
  def create_sample_feed_files(num_feeds, num_items):
      for i in range(num_feeds):
          feed = SampleFeed("Test feed {}".format(i))
          for j in range(num_items):
              feed.add_item()
          filename = feeds_dir + "feed{}.xml".format(i)
          with open(filename, "w+") as f:
              f.write(feed.__str__())
  
  
  def add_feeds_to_db():
      filenames = next(walk(feeds_dir))[2]
      with app.app_context():
          init_db()
          for filename in filenames:
              add_feed("file://" + feeds_dir + filename)
  
subject: Add new utility script to add sample feeds as files