move pwd change to method

Signed-off-by: Ludovic Stephan <lstephan@clipper.ens.fr>

kfet/models.py

@@ -154,6 +154,7 @@ class Account(models.Model):
     # - Enregistre User, CofProfile à partir de "data"
     # - Enregistre Account
     def save(self, data = {}, *args, **kwargs):
+
         if self.pk and data:
             # Account update
 
@@ -200,6 +201,12 @@ class Account(models.Model):
             self.cofprofile = cof
         super(Account, self).save(*args, **kwargs)
 
+    def change_pwd(self, pwd):
+        pwd_sha256 = hashlib.sha256(pwd.encode('utf-8'))\
+                            .hexdigest()
+        self.password = pwd_sha256
+        self.save()
+
     # Surcharge de delete
     # Pas de suppression possible
     # Cas à régler plus tard