pip install django-mama-cas

# settings.py
INSTALLED_APPS = (
  'mama_cas',
)

# 重要！，service是client的IP，是个数组，可以在后面添加SERVICE的HOST:PORT。
MAMA_CAS_SERVICES = [
  {
    'SERVICE': 'http://127.0.1.1:8000',
    'CALLBACKS': [
      'mama_cas.callbacks.user_model_attributes',   # 返回除了password的所有Field
      # 'mama_cas.callbacks.user_name_attributes', # 只返回 username
    ],
    'LOGOUT_ALLOW': True,
    'LOGOUT_URL': 'http://127.0.1.1:8000/accounts/callback',
  },
]

# urls.py
url(r'', include('mama_cas.urls')),

# settings.py
INSTALLED_APPS = (
  # ... other installed apps
  'django_cas_ng',
)

AUTHENTICATION_BACKENDS = (
  'django_cas_ng.backends.CASBackend',
)

# 注意：这是cas server的地址
CAS_SERVER_URL = 'http://127.0.0.1:8000'

# 存入所有CAS 服务端返回的user数据。
CAS_APPLY_ATTRIBUTES_TO_USER = True

# urls.py
import view import *
url(r'^accounts/login$', cas_login, name='cas_login'),

#view.py
from django_cas_ng import views as baseviews
from django.views.decorators.csrf import csrf_exempt

@csrf_exempt
def cas_login(request, **kwargs):
  r = baseviews.login(request, **kwargs)
  if not request.user.is_anonymous():
    token = get_token(request)
    if token:
      r.set_cookie('token', token)
    else:
      print 'Get token error'
  else:
    print('User is anonymous')
  return r

def get_token(request, *args, **kwargs):
  user = request.user
  try:
    request_hash = AuthToken.get_request_hash(request)
    try:
      token = generate_token()  # function used to geneate token, this place won't show more detail codes
      token.refresh()
    except IndexError:
      pass
  except Exception as e:
    print e
    return False
  return token.key