old_contents: #!/usr/bin/env python
  import os
  
  from app import create_app
  from flask.ext.script import Shell, Manager
  
  app = create_app(os.getenv('APP_CONFIG') or 'default')
  manager = Manager(app)
  
  def make_shell_context():
      return dict(app=app)
  
  
  if __name__ == '__main__':
      manager.run()
  
new_contents: #!/usr/bin/env python
  import os
  
  from app import create_app
  from flask.ext.script import Shell, Manager
  
  app = create_app(os.getenv('APP_CONFIG') or 'default')
  manager = Manager(app)
  
  def make_shell_context():
      return dict(app=app)
  
  manager.add_command('shell', Shell(make_context=make_shell_context))
  
  if __name__ == '__main__':
      manager.run()
  
subject: add shell command and initialize with shell context