build-repos.py

#!/usr/bin/env python

import argparse
import os
import sys

import build_tools


def parse_args(args):
    """
    Most of the parsing logic actually lives in build_tools.builders
    where it can be close to the things that consume what it produces.
    See build_tools.builders.argument_parsers for more info.
    """
    parser = argparse.ArgumentParser(
        description=' '.join([
            'Builds each repository. Checks repositories_settings.py'
            ' for repo-specific build arguments.']),
        parents=(
            [build_tools.get_parent_parser()] +
            build_tools.builders.argument_parsers),
        epilog=' '.join([
            "To specify args for individual repos,",
            "use repositories_settings.py",
            "(see docs/repositories_settings.md)"]))

    parser.add_argument(
        '-k',
        '--keep-going',
        action='store_true',
        help='Keep going even if errors are encountered.')

    return parser.parse_args(args)


def build_repos(args):
    """Builds each repo in the toolchain"""
    # this looks at the parsed args and gives us a dict of
    # kwargs to pass to each build
    build_args = build_tools.builders.extract_build_args(args)
    for repo in build_tools.get_toolchain(args):
        rv = repo.build(**build_args)

        if rv is build_tools.builders.FAILURE:
            print('Building ' + repo.name + ' failed')
            if not args.keep_going:
                return rv
        if rv is build_tools.builders.FAILED_TESTS:
            print(repo.name + ' failed while running tests')
            if not args.keep_going:
                return rv
    return build_tools.builders.SUCCESS


if '__main__' == __name__:
    parsed_args = parse_args(sys.argv[1:])
    rv = build_repos(parsed_args)
    if rv is build_tools.builders.SUCCESS:
        sys.exit(0)
    else:
        sys.exit(1)