Python 3.9 is now generally available.

google.appengine.ext.blobstore.get

Gets a BlobInfo record from blobstore.

Does the same as BlobInfo.get.

blob_key The BlobKey of the record you want to retrieve.

A BlobInfo instance that is associated with the provided key or a list of BlobInfo instances if a list of keys was provided. Keys that are not found in Blobstore return None.