django-allauth设置用户名与电子邮件相同 [英] django-allauth set username the same as email

问题描述

我有一个注册表单，只要求邮件和密码。当用户注册时，django-allauth通过从用户的电子邮件地址中分离@email后缀，为该用户创建一个用户名。

所以例如，如果用户注册 [e-mail] ，他的用户名将是 某些用户 ，如果另一个用户注册 [e-mail] ，那么他的用户名将是 some-userr

但是我想要的是用户的用户名和电子邮件具有相同的值。

那么如何配置django-allauth来将用户名设置为用户的电子邮件，而不会使他们后缀？

如果可能，如何创建自定义用户。

在我的设置中.py：

  ###################### ## 
＃AllAuth配置＃
 ###################### 
 ACCOUNT_AUTHENTICATION_METHOD ='email'
 ACCOUNT_EMAIL_REQUIRED = True 
 ACCOUNT_UNIQUE_EMAIL = Tr ue 
 ACCOUNT_USERNAME_REQUIRED = False 
 ACCOUNT_EMAIL_VERIFICATION ='mandatory'
 ACCOUNT_PASSWORD_MIN_LENGTH = 8 
  

解决方案

我使用的是用户pre_save上的信号。

您的设置看起来很好，所以如果您可以在以下代码中添加以下代码：例如 core.models.py 它将按照您的需要工作：

  @receiver（pre_save，sender = User）
 def update_username_from_email（发件人，实例，** kwargs）：
 user_email = instance.email 
 username = user_email [：30] 
n = 1 
而User.objects.exclude（pk = instance.pk）.filter（username = username）.exists（）：
n + = 1 
 username = user_email [:( 29  -  len（str（n）））] +' - '+ str（n）
 instance.username =用户名
  

我用信号做的这个原因是，每当用户被保存时，用户名被更新。您可以检查电子邮件是否已更改，仅在这种情况下更新用户名。

然后我将用户名限制为电子邮件的前30个字符（默认最大长度用户名为30个字符）：

  username = user_email [：30] 
  pre> 
 
 
您也可以更改用户名的最大长度，但在我的情况下，我更喜欢使用默认的长度。
 
 
 
由于我这样做，可能会发生重复的用户名。为了避免重复的用户名，如果生成的用户名限制为30个字符的情况下，我将-2，-3 ...放在最后，使用户名唯一：
  n = 1 
而User.objects.exclude（pk = instance.pk）.filter（username = username）.exists（）：
n + = 1 
 username = user_email [:( 29  -  len（str（n）））] +' - '+ str（n）
 instance.username =用户名
  
我希望这个解决方案可以帮助你！
 
I have a sign up form which asks only for email and password. When a user signs up, django-allauth creates a username for that user by striping the "@email" suffix form the user's email address.

So for example, if a user signs up with "[e-mail]" his username will be "some-user" and if another user signs up with "[e-mail]" then his username will be "some-userr"

But what I want is the username and email of the users to have the same value.

So how can I configure django-allauth to set the usernames as the users emails without striping their suffixes?

And if possible, how can I do that without creating a custom user.

In my settings.py:
#########################
# AllAuth Configuration #
#########################
ACCOUNT_AUTHENTICATION_METHOD = 'email'
ACCOUNT_EMAIL_REQUIRED = True
ACCOUNT_UNIQUE_EMAIL = True
ACCOUNT_USERNAME_REQUIRED = False
ACCOUNT_EMAIL_VERIFICATION = 'mandatory'
ACCOUNT_PASSWORD_MIN_LENGTH = 8

解决方案
I do exactly what you want to do with a signal on User pre_save.

Your settings look ok, so if you add the following code in somewhere like for example core.models.py it will work as you need:
@receiver(pre_save, sender=User)
def update_username_from_email(sender, instance, **kwargs):
    user_email = instance.email
    username = user_email[:30]
    n = 1
    while User.objects.exclude(pk=instance.pk).filter(username=username).exists():
        n += 1
        username = user_email[:(29 - len(str(n)))] + '-' + str(n)
    instance.username = username
The reason I do it with a signal is that I want that every time User is saved, the username is updated. You could check if the e-mail has changed update the username only in that case.

Then I limit the username to the first 30 characters of email (default max lenght of username is 30 chars): 
username = user_email[:30]
You could also change the max lenght of username, but in my case I prefered to use the default lenght.

Since I make this, it could happen that there are repeated usernames. To avoid repeated usernames, in case that the resulting username after limiting it to 30 characters already exists, I put -2, -3... at the end to make the username unique:
n = 1
while User.objects.exclude(pk=instance.pk).filter(username=username).exists():
    n += 1
    username = user_email[:(29 - len(str(n)))] + '-' + str(n)
instance.username = username
I hope this solution helps you!

                        
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