为什么这个Django表单抱怨"图像字段需要这个字段"？

Question

使用'Photologue',我可以上传图像作为表单的一部分没问题.但是,在测试计划中,我无法获得要验证的图像.

在tests.py中:

data_photo = {'competition': self.newcomp,  
                  'title': 'Rabbit',
                  'image': open('photocompetitions/static/img/body_bg.jpg'),
                  'flickr_id': '425258',
                  'description': 'A picture of a rabbit',
                  'location': 'POINT (5000 5000)',
                  'location_description': 'Just some random place',
                  'copyright': 'Copyright 2011'}
photoform = PhotoForm(data_photo)

一切正常,但"图像"字段失败,因为"此字段是必需的".消息,所以我假设尽管open()命令没有收到它.'image'字段是photologue的ImageModel模型,并作为标准上传表单显示在网站上.

Answer 1

您必须传入不在图像中的图像data,而是在files表单的参数中传递图像.

from django.core.files.uploadedfile import SimpleUploadedFile

img = open('photocompetitions/static/img/body_bg.jpg')
uploaded = SimpleUploadedFile(img.name, img.read())
photoform = PhotoForm(data_photo, files={'image': uploaded})