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import uuid
import hmac
from hashlib import sha1
from django.db import models
from django import VERSION
if VERSION[:2] in ((1, 5,),):
from django.conf import settings
if hasattr(settings, AUTH_USER_MODEL):
user_model = settings.AUTH_USER_MODEL
else:
from django.contrib.auth.models import User as user_model
else:
try:
from django.db.models.auth import User as user_model
except ImportError:
raise ImportError('User model is not to be found.')
class Token(models.Model):
"""
The default authorization token model.
"""
key = models.CharField(max_length=40, primary_key=True)
user = models.OneToOneField(user_model, related_name='auth_token')
created = models.DateTimeField(auto_now_add=True)
def save(self, *args, **kwargs):
if not self.key:
self.key = self.generate_key()
return super(Token, self).save(*args, **kwargs)
def generate_key(self):
unique = str(uuid.uuid4())
return hmac.new(unique, digestmod=sha1).hexdigest()
def __unicode__(self):
return self.key
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