package.py 文件源码

def read_packages(rel_area, arch):
    packages = defaultdict(Package)

    # <arch>/ noarch/ and src/ directories are considered
    for root in ['noarch', 'src', arch]:
        releasedir = os.path.join(rel_area, root)
        logging.debug('reading packages from %s' % releasedir)

        for (dirpath, subdirs, files) in os.walk(releasedir, followlinks=True):
            read_package(packages, rel_area, dirpath, files)

        logging.debug("%d packages read" % len(packages))

    return packages


# helper function to compute sha512 for a particular file
# (block_size should be some multiple of sha512 block size which can be efficiently read)