Class style constants.

class_style_constants.py

import sys


class FILE_FORMATS(object):
    FOFN = "FOFN"
    FASTA = "FASTA"
    BAS = "BAS"
    BAX = "BAX"
    PLS = "PLS_H5"
    PLX = "PLX_H5"
    SAM = "SAM"
    CMP = "CMP_H5"
    RGN = "RGN_H5"
    SA = "SA"
    XML = "XML"
    UNKNOWN = "UNKNOWN"
    CCS = "CCS_H5"

    # These are really just for internal use
    _VALID_INPUT_FORMATS = [FASTA, PLS, PLX, SAM, BAS, BAX, FOFN]

    _VALID_REGIONTABLE_FORMATS = [RGN, FOFN]

    _VALID_OUTPUT_FORMATS = [CMP, SAM]
    

    @staticmethod
    def is_valid_region_table_format(f):
        return f in FILE_FORMATS._VALID_REGIONTABLE_FORMATS

    @staticmethod
    def is_valid_input_format(f):
        return f in FILE_FORMATS._VALID_INPUT_FORMATS

    @staticmethod
    def is_valid_output_format(f):
        return f in FILE_FORMATS._VALID_OUTPUT_FORMATS

        
def main():

    print repr(FILE_FORMATS)

    f = "RGN"

    print f, FILE_FORMATS.is_valid_region_table_format(f)
    print FILE_FORMATS.FASTA

    f = "SAM"
    print f, FILE_FORMATS.is_valid_input_format(f)

    # this won't raise an exception, but will work the same as the class
    # this is odd, but the not a big deal.
    f = 'FASTA'
    ff = FILE_FORMATS()
    print f, ff.is_valid_input_format(f)

    return 0


if __name__ == '__main__':
    sys.exit(main())