hocr-spec

#!/usr/bin/env python

from __future__ import print_function

from future import standard_library
standard_library.install_aliases()

import sys
from hocr_spec import HocrValidator, HocrSpec
from argparse import ArgumentParser


def main(args):
    validator = HocrValidator(
        args.profile,
        skip_check=args.skip_check,
        implicit_capabilities=args.implicit_capabilities)
    failed = 0
    for source in args.sources:
        report = validator.validate(
            source, parse_strict=args.parse_strict, filename=args.filename)
        failed += not report.is_valid()
        if not args.silent:
            print(report.format(args.format))
    sys.exit(0 if not failed else 1)


if __name__ == "__main__":
    parser = ArgumentParser()
    parser.add_argument(
        'sources',
        nargs='+',
        help="hOCR file to check or '-' to read from STDIN")
    parser.add_argument(
        '--format',
        '-f',
        choices=HocrValidator.formats,
        default=HocrValidator.formats[0],
        help="Report format")
    parser.add_argument(
        '--filename',
        help="Filename to use in report")
    parser.add_argument(
        '--profile',
        '-p',
        default='standard',
        choices=HocrSpec.list('profiles'),
        help="Validation profile")
    parser.add_argument(
        '--implicit_capabilities',
        '-C',
        action='append',
        metavar='CAPABILITY',
        choices=HocrSpec.list('capabilities'),
        help="Enable this capability. Use '*' to enable all capabilities. "
             "In addition to the 'ocr*' classes, you can use %s" %
             HocrSpec.list('capabilities')
        )
    parser.add_argument(
        '--skip-check',
        '-X',
        action='append',
        choices=HocrSpec.checks,
        help="Skip one check")
    parser.add_argument(
        '--parse-strict',
        action='store_true',
        help="Parse HTML with less tolerance for errors")
    parser.add_argument(
        '--silent',
        '-s',
        action='store_true',
        help="Don't produce any output but signal success with exit code.")
    args = parser.parse_args()
    main(args)