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shimatta_kenkyusho/shimatta_modules/RandomFileName.py

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+import os
+import uuid
+from django.utils.deconstruct import deconstructible
+
+# Ref: https://stackoverflow.com/questions/2673647/enforce-unique-upload-file-names-using-django
+@deconstructible
+class RandomFileName(object):
+	def __init__(self, path):
+		self.path = os.path.join(path, "%s%s")
+
+	def __call__(self, _, filename):
+		extension = os.path.splitext(filename)[1]
+		return self.path % (uuid.uuid4(), extension)