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import uuid
import hmac
from hashlib import sha1
from django.db import models
class TokenManager(models.Manager):
"""
Manager class to provide `Token.objects.create_token(user=user)`.
"""
def create_token(self, user):
token = Token(user=user)
token.save()
return token
class Token(models.Model):
"""
The default authorization token model.
"""
key = models.CharField(max_length=40, primary_key=True)
user = models.ForeignKey('auth.User')
revoked = models.BooleanField(default=False)
created = models.DateTimeField(auto_now_add=True)
objects = TokenManager()
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()
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