__init__ (
        self,
        alphabet=Alphabet.generic_alphabet,
        title2ids=None,
        )

Initialize a Scanner and Sequence Consumer.

Arguments: o alphabet - The alphabet of the sequences to be parsed. If not passed, this will be set as generic_alphabet. o title2ids - A function that, when given the title of the FASTA file (without the beginning >), will return the name, id and description (in that order) for the record. If this is not given, then the entire title line will be used as the description.