function to get unique file queues for any type of base queue

scrapy/core/queues.py

@@ -0,0 +1,15 @@
+import uuid
+import os.path
+
+
+def unique_files_queue(queue_class):
+
+    class UniqueFilesQueue(queue_class):
+        def __init__(self, path):
+            path = path + "-" + uuid.uuid4().hex
+            while os.path.exists(path):
+                path = path + "-" + uuid.uuid4().hex
+
+            super().__init__(path)
+
+    return UniqueFilesQueue