Enhance NOTIFICATION_EMAILS setting

- rename to SUBSCRIPTIONS_NOTIFICATION_EMAILS
- clarify doc
- use a list in any case (instead of None)

README.md

@@ -384,7 +384,8 @@ MEMBERSHIP_FEE_REMINDER_DATES = [
 - `SITE_TITLE`: the base of site title (displayed in browser window/tab title)
 - `SITE_HEADER`: the site header (displayed in all pages as page header)
 - `SITE_LOGO_URL`: URL to website logo (by default, this is an ascii-duck)
-- `NOTIFICATION_EMAILS` : Emails on which to send notifications.
+- `SUBSCRIPTIONS_NOTIFICATION_EMAILS` : Emails on which to send notifications
+  uppon new registration.
 
 Accounting logs
 ---------------

coin/members/models.py

@@ -69,10 +69,10 @@ def send_registration_notification(sender, user, request=None, **kwargs):
     """
     relative_link = reverse('admin:members_member_change', args=[user.id])
     edit_link = request.build_absolute_uri(relative_link)
-    if settings.NOTIFICATION_EMAILS is not None:
+    if settings.SUBSCRIPTIONS_NOTIFICATION_EMAILS:
         utils.send_templated_email(
-            to=settings.NOTIFICATION_EMAILS,
             subject_template='members/emails/new_member_subject.txt',
+            to=settings.SUBSCRIPTIONS_NOTIFICATION_EMAILS,
             body_template='members/emails/new_member_email.html',
             context={'member': user, 'edit_link': edit_link},
             **kwargs)

coin/settings_base.py

@@ -17,7 +17,7 @@ ADMINS = (
 )
 
 # Email on which to send emails
-NOTIFICATION_EMAILS = None
+SUBSCRIPTIONS_NOTIFICATION_EMAILS = []
 
 MANAGERS = ADMINS