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from django.contrib.auth import authenticate
from django.utils.translation import ugettext_lazy as _
from rest_framework import exceptions, serializers
class AuthTokenSerializer(serializers.Serializer):
username = serializers.CharField()
password = serializers.CharField()
def validate(self, attrs):
username = attrs.get('username')
password = attrs.get('password')
if username and password:
user = authenticate(username=username, password=password)
if user:
if not user.is_active:
msg = _("User account is disabled.")
raise exceptions.ValidationError(msg)
else:
msg = _("Unable to log in with provided credentials.")
raise exceptions.ValidationError(msg)
else:
msg = _("Must include \"username\" and \"password\"")
raise exceptions.ValidationError(msg)
attrs['user'] = user
return attrs
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