将图像/头像字段添加到django中的用户 [英] Add image/avatar field to users in django
本文介绍了将图像/头像字段添加到django中的用户的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我希望我网站上的每个用户的个人资料中都有一张图片.我不需要任何缩略图或类似的东西,只需为每个用户提供图片即可.越简单越好.问题是我不知道如何将这种类型的字段插入我的用户个人资料.有什么建议吗?
I want that each user in my website will have an image in his profile. I don't need any thumbnails or something like that, just picture for each user. The simpler the better. The problem is I don't know how to insert this type of field to my user profile. Any suggestions?
推荐答案
您需要制作一个表单,该表单具有用于验证您要查找的属性的干净方法:
You need to make a form that has a clean method that validates the properties you're looking for:
#models.py
from django.contrib.auth.models import User
class UserProfile(models.Model):
user = models.OneToOneField(User)
avatar = models.ImageField()
#forms.py
from django import forms
from django.core.files.images import get_image_dimensions
from my_app.models import UserProfile
class UserProfileForm(forms.ModelForm):
class Meta:
model = UserProfile
def clean_avatar(self):
avatar = self.cleaned_data['avatar']
try:
w, h = get_image_dimensions(avatar)
#validate dimensions
max_width = max_height = 100
if w > max_width or h > max_height:
raise forms.ValidationError(
u'Please use an image that is '
'%s x %s pixels or smaller.' % (max_width, max_height))
#validate content type
main, sub = avatar.content_type.split('/')
if not (main == 'image' and sub in ['jpeg', 'pjpeg', 'gif', 'png']):
raise forms.ValidationError(u'Please use a JPEG, '
'GIF or PNG image.')
#validate file size
if len(avatar) > (20 * 1024):
raise forms.ValidationError(
u'Avatar file size may not exceed 20k.')
except AttributeError:
"""
Handles case when we are updating the user profile
and do not supply a new avatar
"""
pass
return avatar
希望对您有帮助.
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