Django认证系统user对象实现过程解析

>>> from django.contrib.auth.models import User
>>> user = User.objects.create_user('john', 'lennon@thebeatles.com', 'johnpassword')

from django.contrib.auth.models import User
def create_user(request):
  #auth_user
  # user = User.objects.create_user('john', 'lennon@thebeatles.com', 'johnpassword')
  #superuser python manage.py createsuperuser --username=joe --email=joe@example.com
  u = User.objects.get(username='john')
  u.set_password('new password')
  u.save()
  return HttpResponse("success-----%s"%u)

>>> from django.contrib.auth.models import User
>>> u = User.objects.get(username='john')
>>> u.set_password('new password')
>>> u.save()

from django.contrib.auth import authenticate
user = authenticate(username='john', password='secret')
if user is not None:
  # the password verified for the user
  if user.is_active:
    print()
  else:
    print()
else:
  # the authentication system was unable to verify the username and password
  print()

def auth(request):
  user = authenticate(username='john', password='new password')#john
  # user = authenticate(username='john', password='johnpassword')#None
  print(user)
  if user is not None:
    # the password verified for the user
    if user.is_active:
      print("验证成功，已激活")
    else:
      print("验证成功，未激活")
  else:
    # the authentication system was unable to verify the username and password
    print("没有此用户")
  return HttpResponse(user)