text: import os
  import click
  from flask_script import Manager, Shell, Server
  from flask_migrate import Migrate, MigrateCommand
  from app import create_app, db
  from app.models import User, Role, Permission, Post
  
  app = create_app(os.getenv('FLASK_CONFIG') or 'default')
  migrate = Migrate(app, db)
  manager = Manager(app)
  
  
  @app.shell_context_processor
  def make_shell_context():
      return dict(db=db, User=User, Role=Role, Permission=Permission, Post=Post)
  manager.add_command("shell", Shell(make_context=make_shell_context))
  manager.add_command('db', MigrateCommand)
  manager.add_command("runserver", Server(use_debugger=True))
  
  @app.cli.command()
  @click.argument('test_names', nargs=-1)
  def test(test_names):
      """Run the unit tests."""
      import unittest
      if test_names:
          tests = unittest.TestLoader().loadTestsFromNames(test_names)
      else:
          tests = unittest.TestLoader().discover('tests')
      unittest.TextTestRunner(verbosity=2).run(tests)
  
  
  if __name__ == '__main__':
      manager.run()
  
  