backend/user: Split _store and register

Separate the method to persist a new account from the register method
so that common checks could be done in the base class and the
concrete implementations can overwrite only the storage part.

1 files changed, 14 insertions, 2 deletions

diff --git a/accounts/backend/user/__init__.py b/accounts/backend/user/__init__.py
index af0cc63..57ba952 100644
--- a/accounts/backend/user/__init__.py
+++ b/accounts/backend/user/__init__.py
@@ -107,9 +107,15 @@ class Backend(object):
 
     def register(self, account):
         """
-        Persists an account in the backend.
+        Register a new user account.
+
+        This message checks the given account for plausibility,
+        get a new uidNumber and store the account into the backend.
         """
-        raise NotImplementedError()
+        if account.password is None:
+            raise ValueError("Password required for register")
+
+        self._store(account)
 
     def update(self, account, as_admin=False):
         """
@@ -122,3 +128,9 @@ class Backend(object):
         Deletes an account permanently.
         """
         raise NotImplementedError()
+
+    def _store(self, account):
+        """
+        Persists an account in the backend.
+        """
+        raise NotImplementedError()