Only seek in S3Boto3Storage._save if content is seekable

This fixes issue jschneier#860.
vainu-arto · Sep 15, 2021 · c3835ae · c3835ae
1 parent a7a2d2b
commit c3835ae
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/storages/backends/s3boto3.py b/storages/backends/s3boto3.py
@@ -463,7 +463,8 @@ def _save(self, name, content):
         name = self._normalize_name(cleaned_name)
         params = self._get_write_parameters(name, content)
 
-        content.seek(0, os.SEEK_SET)
+        if content.seekable():
+            content.seek(0, os.SEEK_SET)
         if (self.gzip and
                 params['ContentType'] in self.gzip_content_types and
                 'ContentEncoding' not in params):