3
我想创建一个数据库来保存用户,并爬上用户的一对多关系,以攀登用户已完成。Python - TypeError:一个整数是必需的
class Climb(db.Model):
id = db.Column(db.Integer, primary_key=True)
date = db.Column(db.DateTime)
name = db.Column(db.String(64))
flash = db.Column(db.Boolean)
notes = db.Column(db.Text)
type_of_climb = db.Column(db.String(32))
difficulty = db.Column(db.String(5))
location = db.Column(db.String(64))
favorite = db.Column(db.Boolean)
user_id = db.Column(db.Integer, db.ForeignKey('user.id'))
def __init__(self, climb_date, name, flash, notes, type_of_climb, difficulty, location, favorite, user_id):
set_date = datetime.strptime(climb_date, '%Y%m%d').date()
self.date = set_date
self.name = name
self.flash = flash
self.notes = notes
self.type_of_climb = type_of_climb
self.difficulty = difficulty
self.location = location
self.favorite = favorite
self.user_id = user_id
我想在PyCharm中使用Python控制台测试数据库。我已经成功地创建了一个用户,我试图添加攀登到数据库,但不断收到“类型错误:一个整数需要”当我使用以下命令集:
>>> from flask import Flask
>>> from app import app, db
>>> db.create_all()
>>> from app import User, Climb
>>> c = Climb('2015-05-02', 'Climb so high', 1, 'Made it happen', 'Trad', '5.8', 'Nepal', 0, 1)
Traceback (most recent call last):
File "<input>", line 1, in <module>
File "<string>", line 4, in __init__
File "/home/logan/Desktop/DEV/git/Climb-On/climb-on-api/flask/local/lib/python2.7/site-packages/sqlalchemy/orm/state.py", line 269, in _initialize_instance
return manager.original_init(*mixed[1:], **kwargs)
File "/home/logan/Desktop/DEV/git/Climb-On/climb-on-api/app.py", line 50, in __init__
self.flash = flash
TypeError: an integer is required
我以完全混淆我是如何得到这个错误的(flash是第三个传递的参数,而我的帐户1是一个整数)。
任何帮助,非常感谢。
如果设置'self.flash = True',会发生什么? – RafaelC
与您的异常无关,但传递给'climb_date'的日期格式不正确。您正在传递'%Y-%m-%d''并期待''%Y%m%d'' –
也请提供'flask','flask-sqlalchemy','sqlalchemy'的版本帮助调试。谢谢 –