Send password init mail

users/admin.py

@@ -3,7 +3,9 @@
 # SPDX-License-Identifier: GPL-3.0-or-later
 
 from django.contrib import admin
+from django.contrib import messages
 from django.contrib.auth.admin import UserAdmin as BaseUserAdmin
+from django.contrib.auth.forms import PasswordResetForm
 from django.core.urlresolvers import reverse
 from django.utils.html import format_html
 from django.utils.translation import ugettext_lazy as _
@@ -72,6 +74,23 @@ class UserAdmin(VersionAdmin, BaseUserAdmin):
         }),
     )
 
+    def save_model(self, request, obj, form, change):
+        """
+        On creation, send a password init mail
+        """
+        super().save_model(request, obj, form, change)
+
+        if not change:
+            # Virtually fill the password reset form
+            password_reset = PasswordResetForm(data={'email': obj.email})
+            if password_reset.is_valid():
+                password_reset.save(request=request,
+                                    use_https=request.is_secure())
+                messages.success(request, _("An email to set the password"
+                                            " was sent."))
+            else:
+                messages.error(request, _("The email is invalid."))
+
     def is_adherent(self, obj):
         """
         Get current membership year and check if user is there