[英]How to create generic modelform field validator for inherited model attributes in django?
我有一個父模型:
class AbstractAddress(models.Model):
name = models.CharField(max_length=100,verbose_name='Name')
address1 = models.CharField(max_length=100,null=True,blank=True)
city = models.CharField(max_length=100,null=True,blank=True)
phone = models.CharField(max_length=10,null=True,blank=True)
pincode = models.IntegerField(null=True,blank=True, default=0)
class Meta:
abstract = True
我繼承該模型來創建供應商,客戶,員工模型。 現在在admin ModelForm中:
pincode = CharField(widget=TextInput(attrs={'type':'number'}),
validators=[RegexValidator(regex='^.{6}$',message='Pincode can have 6 digits')],
required=False, min_length=6)
phone = CharField(widget=TextInput(attrs={'type':'number',
'size':'10'}),
validators=[RegexValidator(regex='^.{10}$', message='Phone can have 10 digits')],
required=False, min_length=10)
我不想為上述模型的每個模型形式編寫此代碼。 我怎樣才能使用DRY呢?
我已經在項目中的settings.py文件夾中定義了驗證,並將驗證方法定義為:
def validated_pincode():
pincode = CharField(widget=TextInput(attrs={'type':'number'}),
validators=[RegexValidator(regex='^.{6}$',message='Pincode can have 6 digits')],
required=False, min_length=6)
return pincode
在modeladmin表單中,我調用該方法:
pincode = validated_pincode()
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