def get_filters()

in data_validation/cli_tools.py [0:0]

• 25 lines of code
• 8 McCabe index (conditional complexity)

def get_filters(filter_value: str) -> List[Dict]:
    """Returns filters for source and target from --filters argument.
    A filter is the condition that is used in a SQL WHERE clause.
    If only one filter is specified, it applies to both source and target
    For a doc on regular expression for filters see docs/internal/filters_regex.md
    """
    filters = util.split_not_in_quotes(filter_value, ":")
    if len(filters) not in (1, 2):
        raise argparse.ArgumentTypeError("Unable to parse filter arguments.")
    filters = [_.strip() for _ in filters]
    if len(filters) == 1:
        if not filters[0]:
            raise argparse.ArgumentTypeError("Empty string not allowed in filter")
        filter_dict = {
            "type": "custom",
            "source": filters[0],
            "target": filters[0],
        }
    elif len(filters) == 2:
        if not filters[0] or not filters[1]:
            raise argparse.ArgumentTypeError("Empty string not allowed in filter")
        filter_dict = {
            "type": "custom",
            "source": filters[0],
            "target": filters[1],
        }
    filter_config = [
        filter_dict,
    ]
    return filter_config