tft.sanitized_vocab_filename( filename=None, prefix=None )
Generates a sanitized filename either from the given filename or the scope.
If filename is specified, provide a sanitized version of the given filename. Otherwise generate a filename from the current scope. Note that it is the callers responsibility to ensure that filenames are unique across calls within a given preprocessing function.
filename: A filename with non-alpha characters replaced with underscores and spaces to hyphens.
prefix: Prefix to use for the name of the vocab file, if filename is not given.
A valid filename.
ValueError: If neither filename and prefix are specified, or if both are specified.