def create_superuser():
app = create_app()
with app.app_context(): #app上下文入栈，不然数据库操作无法获取app
username = input('please input username:'******'username is unvalid')
return
if User.is_username_exists(username=username):
print('username is exists,please use another one')
return
password = input('please input password:'******'please input password again:').strip()
if password and password == password2:
try:
user = User(username=username,
password=password,
is_superuser=True)
db.session.add(user)
db.session.commit()
except Exception:
print('create superuser error')
return
print('create superuser success')
else:
print('failed password')
