Python pee-wee元子类继承
我正试图在python应用程序中实现peewee,在这样定义我的类时:Python pee-wee元子类继承,python,peewee,Python,Peewee,我正试图在python应用程序中实现peewee,在这样定义我的类时: import datetime import peewee as pw import acme.core as acme adapter = pw.MySQLDatabase( acme.get_config(path='database.db'), host=acme.get_config(path='database.host'), port=int(acme.get_config(path='
import datetime
import peewee as pw
import acme.core as acme
adapter = pw.MySQLDatabase(
acme.get_config(path='database.db'),
host=acme.get_config(path='database.host'),
port=int(acme.get_config(path='database.port', default=3306)),
user=acme.get_config(path='database.user'),
passwd=acme.get_config(path='database.password'))
class Model(pw.Model):
"""
The base model that will connect the database
"""
id = pw.PrimaryKeyField()
created_at = pw.DateTimeField()
updated_at = pw.DateTimeField(default=datetime.datetime.now)
class Meta:
database = adapter
class ServerModule(Model):
enabled = pw.BooleanField()
ipaddr = pw.IntegerField()
port = pw.IntegerField()
class Meta(Model.Meta):
db_table = 'module_server'
我得到以下错误:
Traceback (most recent call last):
File "db.py", line 25, in <module>
class ServerModule(Model):
File "db.py", line 33, in ServerModule
class Meta(Model.Meta):
AttributeError: type object 'Toto' has no attribute 'Meta'
回溯(最近一次呼叫最后一次):
文件“db.py”,第25行,在
类别服务器模块(型号):
ServerModule中第33行的文件“db.py”
类元(Model.Meta):
AttributeError:类型对象“Toto”没有属性“Meta”
我已经尝试过基本的python子类继承,但它不起作用,但在这里,有人可以给我指出正确的方向?您不需要从父元属性继承元类。Meta.database和其他属性将自动继承。在您的示例中:
import datetime
import peewee as pw
import acme.core as acme
adapter = pw.MySQLDatabase(
acme.get_config(path='database.db'),
host=acme.get_config(path='database.host'),
port=int(acme.get_config(path='database.port', default=3306)),
user=acme.get_config(path='database.user'),
passwd=acme.get_config(path='database.password'))
class Model(pw.Model):
"""
The base model that will connect the database
"""
id = pw.PrimaryKeyField()
created_at = pw.DateTimeField()
updated_at = pw.DateTimeField(default=datetime.datetime.now)
class Meta:
database = adapter
class ServerModule(Model):
enabled = pw.BooleanField()
ipaddr = pw.IntegerField()
port = pw.IntegerField()
class Meta:
db_table = 'module_server'