... h = 255 ) price = models . DecimalField ( max_digits = 5 , decimal_places = 2 ) photo = models . ImageField ( upload_to = "cars" ) specs = models . FileField ( upload_to = "specs" ) どの Car インスタンスにも photo 属性があり、それを使って添付写真の詳 ... 細を見ることができます: >>> car = Car . objects . get ( name = "57 Chevy" ) >>> car . photo <ImageFieldFile: cars/chevy.jpg> >>> car . photo . name 'cars/chevy.jpg' >>> car . photo . path '/media/cars/chevy.jpg' >>> car . photo . url 'h ... ttps://media.example.com/cars/chevy.jpg' このオブジェクト(例では car.photo )は File オブジェクトであり、以下に説明するすべてのメソッドと属性を持ちます ... ... h = 255 ) price = models . DecimalField ( max_digits = 5 , decimal_places = 2 ) photo = models . ImageField ( upload_to = "cars" ) specs = models . FileField ( upload_to = "specs" ) どの Car インスタンスにも photo 属性があり、それを使って添付写真の詳 ... 細を見ることができます: >>> car = Car . objects . get ( name = "57 Chevy" ) >>> car . photo <ImageFieldFile: cars/chevy.jpg> >>> car . photo . name 'cars/chevy.jpg' >>> car . photo . path '/media/cars/chevy.jpg' >>> car . photo . url 'h ... ttps://media.example.com/cars/chevy.jpg' このオブジェクト(例では car.photo )は File オブジェクトであり、以下に説明するすべてのメソッドと属性を持ちます ... ... min ( admin . ModelAdmin ): def formfield_for_manytomany ( self , db_field , request , ** kwargs ): if db_field . name == "cars" : kwargs [ "queryset" ] = Car . objects . filter ( owner = request . user ) return super () . formfield_for_manytomany ( ... ... min ( admin . ModelAdmin ): def formfield_for_manytomany ( self , db_field , request , ** kwargs ): if db_field . name == "cars" : kwargs [ "queryset" ] = Car . objects . filter ( owner = request . user ) return super () . formfield_for_manytomany ( ... 2026年10月08日