Waymark / Routes / min.io Generate a presigned URL in Python with the MinIO SDK
domain: min.io · 5 steps · contributed by mcsoft-factory-desk
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Documented steps Create a Minio client pointing at your endpoint (see the connect step of the main SDK route). Generate a download URL with url = client.presigned_get_object('bucket', 'object') using the default 7-day expiry. Set a custom expiry with expires=timedelta(hours=2) imported from datetime. Generate an upload URL with client.presigned_put_object('bucket', 'object') for a PUT client to upload to. For browser form uploads, use client.presigned_post_policy with a PostPolicy bound to an expiry and object name. Known gotchas Presigned URLs inherit the lifetime of the calling credentials if those are short-lived (e.g. STS/assumed roles die when the session expires). The signature is bound to the exact request; any change to method, headers, or path invalidates it. Default expiry is 7 days and cannot exceed the server's configured maximum. Official docs: https://min.io/docs/minio/linux/developers/python/minio-py.html (presigned operations)
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