python – 扩展新的用户创建表单,Django
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我正在尝试将位置字段添加到用户配置文件并将其与用户关联.我目前有这样的事情:
这是我的models.py:
from django.db import models
from django.contrib.auth.models import User
from django.db.models.signals import post_save
class UserProfile(models.Model):
user = models.OneToOneField(User)
location = models.CharField(('location'),max_length=30, blank=False)
def create_user_profile(sender, instance, created, **kwargs):
if created:
profile = UserProfile.objects.create(user=instance)
profile.save()
post_save.connect(create_user_profile, sender=User)
这是我的admin.py:
from django.contrib import admin
from django.contrib.auth.models import User
from django.contrib.auth.admin import UserAdmin
from django.contrib.auth.forms import UserCreationForm, UserChangeForm
from django import forms
from UserProfile.models import UserProfile
from django.contrib.admin.views.main import *
class MyUserCreationForm(UserCreationForm):
username = forms.RegexField(label=("Username"), max_length=30, regex=r'^[\w.@+-]+$', help_text = ("Required. 30 characters or fewer. Letters, digits and @/./+/-/_ only."),error_messages = {'invalid': ("This value may contain only letters, numbers and @/./+/-/_ characters.")})
password1 = forms.CharField(label=("Password"), widget=forms.PasswordInput)
password2 = forms.CharField(label=("Password confirmation"), widget=forms.PasswordInput, help_text = ("Enter the same password as above, for verification."))
email = forms.EmailField(label=("Email address"))
class Meta:
model = User
fields = ("username",)
def clean_username(self):
username = self.cleaned_data["username"]
try:
User.objects.get(username=username)
except User.DoesNotExist:
return username
raise forms.ValidationError(("A user with that username already exists."))
def clean_email(self):
email = self.cleaned_data["email"]
if email == "":
raise forms.ValidationError((""))
return email
def clean_password2(self):
password1 = self.cleaned_data.get("password1", "")
password2 = self.cleaned_data["password2"]
if password1 != password2:
raise forms.ValidationError(("The two password fields didn't match."))
return password2
def save(self, commit=True):
user = super(UserCreationForm, self).save(commit=False)
user.set_password(self.cleaned_data["password1"])
if commit:
user.save()
return user
class MyUserChangeForm(UserChangeForm):
username = forms.RegexField(label=("Username"), max_length=30, regex=r'^[\w.@+-]+$',
help_text = ("Required. 30 characters or fewer. Letters, digits and @/./+/-/_ only."),
error_messages = {'invalid': ("This value may contain only letters, numbers and @/./+/-/_ characters.")})
location = forms.CharField(label=("Location"),max_length=30)
class Meta:
model = User
def __init__(self, *args, **kwargs):
super(UserChangeForm, self).__init__(*args, **kwargs)
f = self.fields.get('user_permissions', None)
if f is not None:
f.queryset = f.queryset.select_related('content_type')
class CustomUserAdmin(UserAdmin):
add_fieldsets = (
(None, {
'classes': ('wide',),
'fields': ('username', 'email', 'password1', 'password2')}
),
)
fieldsets = (
(None, {'fields': ('username', 'password')}),
(('Personal info'), {'fields': ('first_name', 'last_name', 'email', 'location')}),
(('Permissions'), {'fields': ('is_active', 'is_staff', 'is_superuser', 'user_permissions')}),
(('Important dates'), {'fields': ('last_login', 'date_joined')}),
(('Groups'), {'fields': ('groups',)}),
)
add_form = MyUserCreationForm
form = MyUserChangeForm
admin.site.unregister(User)
admin.site.register(User, CustomUserAdmin)
我不完全理解Django / python代码,我知道这段代码中缺少某些东西,因为当我添加新用户时,它不会将Location字段保存在数据库中.它保存了用户ID.我想我错过了类似的东西:
request.user.get_profile().location = self.cleaned_data["location"]
但我不知道该把它放在哪里.
解决方法:
你可以使用模型继承,它为你做类似的事情……
Model Inheritance and proxy models…
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