import click

@click.command('changepassword')
@click.option('-u', '--username', 'opt_username', required=True,
  help='Username to change')
@click.pass_context
def cli(ctx, opt_username):
  from getpass import getpass
  from app.utils.auth_utils import encrypt_password
  from app.sql.common import db, Session, User

  session = Session()
  user = session.query(User).filter(User.username == opt_username).first()
  if not user:
    session.close()
    raise ValueError("User does not exists")

  password = encrypt_password(getpass())

  user.password = password
  session.add(user)
  session.commit()
  session.close()