Modification form group pour voir les utilisateurs

custom_admin/admin.py

@@ -0,0 +1,44 @@
+
+from django import forms
+from django.contrib import admin
+from django.contrib.auth.admin import GroupAdmin as origGroupAdmin
+from django.contrib.auth.models import Group, User
+
+
+class GroupAdminForm(forms.ModelForm):
+    """
+    ModelForm that adds an additional multiple select field for managing
+    the users in the group.
+    """
+    users = forms.ModelMultipleChoiceField(
+        User.objects.all(),
+        widget=admin.widgets.FilteredSelectMultiple('Users', False),
+        required=False,
+        )
+
+
+    def __init__(self, *args, **kwargs):
+        super(GroupAdminForm, self).__init__(*args, **kwargs)
+        if self.instance.pk:
+            initial_users = self.instance.user_set.values_list('pk', flat=True)
+            self.initial['users'] = initial_users
+
+
+    def save(self, *args, **kwargs):
+        kwargs['commit'] = True
+        return super(GroupAdminForm, self).save(*args, **kwargs)
+
+
+    def save_m2m(self):
+        self.instance.user_set.clear()
+        self.instance.user_set.add(*self.cleaned_data['users'])
+
+
+class GroupAdmin(origGroupAdmin):
+    """
+    Customized GroupAdmin class that uses the customized form to allow
+    management of users within a group.
+    """
+    form = GroupAdminForm
+admin.site.unregister(Group)
+admin.site.register(Group, GroupAdmin)

custom_admin/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class CustomAdminConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'custom_admin'