Python 筛选外键项
我有几个模型,我正在尝试根据申请该职位的申请人筛选职位更新表中的候选人Python 筛选外键项,python,django,Python,Django,我有几个模型,我正在尝试根据申请该职位的申请人筛选职位更新表中的候选人 class Position(models.Model): title = models.CharField(max_length=128,verbose_name='Title') candidate = models.ForeignKey('careers.Applicant', on_delete=models.SET_NULL, related_name='candidate',
class Position(models.Model):
title = models.CharField(max_length=128,verbose_name='Title')
candidate = models.ForeignKey('careers.Applicant',
on_delete=models.SET_NULL,
related_name='candidate',
blank=True,
null=True
)
class Applicant(models.Model):
first_name = models.CharField(max_length=128,blank=False,verbose_name="First Name")
position = models.ManyToManyField(Position,related_name='applicants',
blank=True)
谢谢谢谢。我怎样才能从不是所有的应聘者中选择“候选人”,而仅仅是那些申请该职位的人?
# In general, if you want filter foreign key items
Position.objects.filter(candidate__position='your value')
# For your form, you can queryset attribute of your model field
class PositionUpdateForm(forms.ModelForm):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.fields['candidate'].queryset = Position.objects.filter(candidate__position='your value')