####################Django的AbstractUser类的一段源码#######################
class AbstractUser(AbstractBaseUser, PermissionsMixin):
"""
An abstract base class implementing a fully featured User model with
admin-compliant permissions.
Username and password are required. Other fields are optional.
"""
username_validator = UnicodeUsernameValidator() if six.PY3 else ASCIIUsernameValidator()
username = models.CharField(
_('username'),
max_length=150,
unique=True,
help_text=_('Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only.'),
validators=[username_validator],
error_messages={
'unique': _("A user with that username already exists."),
},
)
first_name = models.CharField(_('first name'), max_length=30, blank=True)
last_name = models.CharField(_('last name'), max_length=30, blank=True)
email = models.EmailField(_('email address'), blank=True)
is_staff = models.BooleanField(
_('staff status'),
default=False,
help_text=_('Designates whether the user can log into this admin site.'),
)
is_active = models.BooleanField(
_('active'),
default=True,
help_text=_(
'Designates whether this user should be treated as active. '
'Unselect this instead of deleting accounts.'
),
)
date_joined = models.DateTimeField(_('date joined'), default=timezone.now)
objects = UserManager()
USERNAME_FIELD = 'username'
REQUIRED_FIELDS = ['email']
class Meta:
verbose_name = _('user')
verbose_name_plural = _('users')
abstract = True
def get_full_name(self):
"""
Returns the first_name plus the last_name, with a space in between.
"""
full_name = '%s %s' % (self.first_name, self.last_name)
return full_name.strip()
def get_short_name(self):
"Returns the short name for the user."
return self.first_name
def email_user(self, subject, message, from_email=None, **kwargs):
"""
Sends an email to this User.
"""
send_mail(subject, message, from_email, [self.email], **kwargs)第一：像first_name = models.CharField(_('first name'), max_length=30, blank=True)
和
verbose_name = _('user')里面添加的 _ 是什么意思呀，一般我都写成first_name = models.CharField(max_length=30, blank=True)
和
verbose_name = user第二：USERNAME_FIELD = 'username'
REQUIRED_FIELDS = ['email']上面的写的什么意思呢？
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