+from django.conf import settings
+
+
+KEY_SIZE = 18
+SECRET_SIZE = 32
+
+CONSUMER_STATES = (
+ ('pending', 'Pending approval'),
+ ('accepted', 'Accepted'),
+ ('canceled', 'Canceled'),
+)
+
+
+class Nonce(models.Model):
+ token_key = models.CharField(max_length=KEY_SIZE)
+ consumer_key = models.CharField(max_length=KEY_SIZE)
+ key = models.CharField(max_length=255)
+
+ def __str__(self):
+ return u"Nonce %s for %s" % (self.key, self.consumer_key)
+
+
+class Consumer(models.Model):
+ name = models.CharField(max_length=255)
+ description = models.TextField()
+ key = models.CharField(max_length=KEY_SIZE)
+ secret = models.CharField(max_length=SECRET_SIZE)
+ status = models.CharField(max_length=16, choices=CONSUMER_STATES, default='pending')
+ user = models.ForeignKey(settings.AUTH_USER_MODEL, models.CASCADE, null=True, blank=True, related_name='consumers')
+
+ def __str__(self):
+ return u"Consumer %s with key %s" % (self.name, self.key)
+
+
+class Token(models.Model):
+ REQUEST = 1
+ ACCESS = 2
+ TOKEN_TYPES = ((REQUEST, u'Request'), (ACCESS, u'Access'))
+
+ key = models.CharField(max_length=KEY_SIZE)
+ secret = models.CharField(max_length=SECRET_SIZE)
+ token_type = models.IntegerField(choices=TOKEN_TYPES)
+ timestamp = models.IntegerField()
+ is_approved = models.BooleanField(default=False)
+ user = models.ForeignKey(settings.AUTH_USER_MODEL, models.CASCADE, null=True, blank=True, related_name='tokens')
+ consumer = models.ForeignKey(Consumer, models.CASCADE)
+
+ def __str__(self):
+ return u"%s Token %s for %s" % (self.get_token_type_display(), self.key, self.consumer)