导入 ManyToMany 字段

Question

我的模型中有一个 ManyToMany 字段。

我想导入数据并输入该字段。

我的Resources.py:-

class ClinicResource(resources.ModelResource):
language = fields.Field(column_name='language',attribute='language', widget=ForeignKeyWidget(Language, 'code'))
country = fields.Field(column_name='country',attribute='country', widget=ClinicCountryForeignKeyWidget(model = Country, field ='name'))
clinic_languages = fields.Field(widget=ManyToManyWidget(ClinicLanguages, field='name'))

class Meta:
    model = Clinic
    fields = ('code', 'name', 'city', 'score')
    exclude = ('id',)
    import_id_fields = ('code', 'name', 'city', 'score', 'language', 'country')

我的Models.py:-

class Clinic(models.Model):
    code = models.CharField(max_length= 10, blank= False, null= False)
    name = models.CharField(max_length= 256, blank= False, null= False)
    slug = models.SlugField(null= True, blank= True)
    # country = models.CharField(max_length= 256, blank= False, null= False)
    city = models.CharField(max_length= 256, blank= False, null= False)
    country = models.ForeignKey(Country, on_delete=models.CASCADE, related_name='allcliniccountry', blank= True, null=True)
    score = models.FloatField(blank= False, null= False, default= 2, validators=[MinValueValidator(min), MaxValueValidator(max)])
    language = models.ForeignKey(Language, on_delete=models.CASCADE, related_name='allclinicslanguage', blank= True)
    # about = models.TextField(blank= True, null= True)
    clinic_languages = models.ManyToManyField(ClinicLanguages, related_name='clinic_language', blank= True)

    about = tinymce_models.HTMLField(blank= True, null= True)
    created= models.DateTimeField(auto_now=True)
    status = models.CharField(max_length= 30, choices= SIZE_CHOICES, default= 'pending', blank= False, null= False)

注意 clinic_languages 字段，这是我要导入的内容

Answer 1

您可以在 django-import-export source 中查看 ManyToManyWidget 的工作原理。

您已经正确定义了您的字段：

clinic_languages = fields.Field(widget=ManyToManyWidget(ClinicLanguages, field='name'))

这意味着查找代码将尝试使用 'name' 字段加载相关实例。默认情况下，它们必须在您的导入文件中以“,”分隔，例如：

clinic_languages
name1,name2,name3

如有必要，您可以覆盖分隔符。

导入 ManyToMany 字段

Import ManyToMany field

python

django

many-to-many

django-models

django-import-export