from django.contrib.auth import login
下面是django中的login源代碼，請問怎么改才可以在一個瀏覽器中同時登錄多個用戶
默認是最新登錄的用戶的session會覆寫之前用戶的session。（就是在django_session表中覆寫，導致之前登錄的用戶的session被覆寫）
如果是不同的瀏覽器則不會覆寫，總之同一個瀏覽器只能同時登錄一個用戶。
網上有一種方法，是把session改為串列的形式，但是完全沒頭緒。沒辦法了，求解，多謝了。
def login(request, user, backend=None):
"""
Persist a user id and a backend in the request. This way a user doesn't
have to reauthenticate on every request. Note that data set during
the anonymous session is retained when the user logs in.
"""
session_auth_hash = ''
if user is None:
user = request.user
if hasattr(user, 'get_session_auth_hash'):
session_auth_hash = user.get_session_auth_hash()
if SESSION_KEY in request.session:
if _get_user_session_key(request) != user.pk or (
session_auth_hash and
not constant_time_compare(request.session.get(HASH_SESSION_KEY, ''), session_auth_hash)):
# To avoid reusing another user's session, create a new, empty
# session if the existing session corresponds to a different
# authenticated user.
request.session.flush()
else:
request.session.cycle_key()
try:
backend = backend or user.backend
except AttributeError:
backends = _get_backends(return_tuples=True)
if len(backends) == 1:
_, backend = backends[0]
else:
raise ValueError(
'You have multiple authentication backends configured and '
'therefore must provide the `backend` argument or set the '
'`backend` attribute on the user.'
)
else:
if not isinstance(backend, str):
raise TypeError('backend must be a dotted import path string (got %r).' % backend)
request.session[SESSION_KEY] = user._meta.pk.value_to_string(user)
request.session[BACKEND_SESSION_KEY] = backend
request.session[HASH_SESSION_KEY] = session_auth_hash
if hasattr(request, 'user'):
request.user = user
rotate_token(request)
user_logged_in.send(sender=user.__class__, request=request, user=user)
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