Source code for lca_writer.scripts

import sys
from argparse import ArgumentParser

__all__ = ['LCAWriterArgParser']


class LCAWriterArgParser(ArgumentParser):
    """
    Command line argument parser for `lca_writer` script.

    .. code-block:: none
    """
    def __init__(self):
        ArgumentParser.__init__(self, prog='lca_writer')

        self.add_argument('lca_forms',
            nargs='*',
            help='Excel LCA form paths.'
        )

        self.add_argument('-t', '--template',
            nargs='?',
            help='Path to save the Excel form template (optional).',
            default=None
        )

        self.add_argument('-v', '--version',
            nargs='?',
            help='LCA file version to write.',
            default='12.2'
        )

    @staticmethod
    def _doc_string():
        """Returns a doc string with the usage and help formats included."""
        s = LCAWriterArgParser()
        s = s.format_help()
        s = '\n\t'.join(s.split('\n'))
        return LCAWriterArgParser.__doc__ + '\n\t' + s + '\n\n'


if sys.version_info[0] >= 3:
    LCAWriterArgParser.__doc__ = LCAWriterArgParser._doc_string()