The google.appengine.ext.blobstore package provides the following exception classes:

exception Error ()

This is the base class for all exceptions in this package.

exception BlobNotFoundError ()

The fetch_data() function could not find a Blobstore value that corresponds with the given BlobInfo or BlobKey value.

exception BlobInfoParseError ()

The parse_blob_info() function could not process the cgi.FieldStorage object into a BlobInfo object, such as due to an incomplete set of fields.

exception CreationFormatError ()

The parse_blob_info() function could not parse the creation date-time from the field data because it did not match the expected format ( YYYY-mm-dd HH:MM:SS.ffffff ).

exception InternalError ()

An internal Blobstore error occurred.

exception FileInfoParseError ()

The parse_file_info() function could not process the cgi.FieldStorage object into a FileInfo object, such as due to an incomplete set of fields.

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