blueprint.py 文件源码

def _load_data():
    # https://github.com/raumkraut/python-debian/blob/master/README.deb822

    global _data
    mirror = BP.config['L4TM_MIRROR']
    release = BP.config['L4TM_RELEASE']
    repo = '%s/dists/%s/%%s/%%s/Packages.gz' % (mirror, release)

    _data = {}
    for area in BP.config['L4TM_AREAS']:
        for arch in ('binary-all', 'binary-arm64'):
            BP.logger.info('Loading/processing %s/%s/Packages.gz...' % (
                area, arch))
            pkgarea = repo % (area, arch)
            pkgresp = HTTP_REQUESTS.get(pkgarea)
            if pkgresp.status_code != 200:
                BP.logger.error('%s not found' % arch)
                continue
            BP.logger.debug('Uncompressing %s bytes' % pkgresp.headers['content-length'])

            unzipped = gzip.decompress(pkgresp.content) # bytes all around
            BP.logger.debug('Parsing %d bytes of package data' % len(unzipped))
            unzipped = BytesIO(unzipped)    # the next step needs read()
            tmp = [ src for src in Packages.iter_paragraphs(unzipped) ]
            _data.update(dict((pkg['Package'], pkg) for pkg in tmp))