Add BofhStorage;

[fnpdjango.git] / fnpdjango / storage.py

diff --git a/fnpdjango/storage.py b/fnpdjango/storage.py
new file mode 100644 (file)
index 0000000..72719b2
--- /dev/null
+++ b/fnpdjango/storage.py
@@ -0,0 +1,29 @@
+# -*- coding: utf-8 -*-
+# This file is part of FNPDjango, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+#
+from django.core.files.storage import FileSystemStorage
+
+class BofhStorageMixin(FileSystemStorage):
+    """Bastard Operator From Hell file storage for Django.
+
+    When a user asks for a place available for saving a file and
+    the proposed filename is occupied, default Django file storage
+    looks for a free spot by appending a suffix.
+
+    This storage just deletes the previous content and replies:
+    sure, just save it right where you want it.
+
+    The user is now responsible for making sure they don't
+    accidentally overwrite anything they weren't supposed to,
+    and for sane caching settings.
+
+    """
+    def get_available_name(self, name):
+        if self.exists(name):
+            self.delete(name)
+        return name
+
+class BofhFileSystemStorage(BofhStorageMixin, FileSystemStorage):
+    """Bastard Operator From Hell storage for standard filesystem."""
+    pass