def extract_bower_zipfile(self, zip_file, dest, expected_version=None):
        bower_json = None
        root = None
        deps_installed = []
        for info in zip_file.infolist():
            if PurePath(info.filename).name == "bower.json":
                with zip_file.open(info) as f:
                    bower_json = json.load(f)
                    root = str(PurePath(info.filename).parent)
                break
        version = bower_json["version"]
        if expected_version is not None:
            expected_version = Bower.clean_semver(expected_version)
            if not semver.match(version, expected_version):
                click.secho("error: versions do not match ({} =/= {})".format(
                    version, expected_version))
                raise InvalidPackageError
        if "dependencies" in bower_json:
            for package, version in bower_json["dependencies"].items():
                url = Bower.get_package_url(package)
                deps_installed.extend(self.get_bower_package(
                    url, dest=dest, version=version))
        ignore_patterns = [GitIgnorePattern(ig) for ig in bower_json["ignore"]]
        path_spec = PathSpec(ignore_patterns)
        namelist = [path for path in zip_file.namelist()
                    if PurePath(path).parts[0] == root]
        ignored = list(path_spec.match_files(namelist))
        for path in namelist:
            dest_path = PurePath(
                bower_json["name"],
                *PurePath(path).parts[1:])

            if path in ignored:
                continue

            for path in ignored:
                for parent in PurePath(path):
                    if parent in ignored:
                        continue

            if path.endswith("/"):
                if list(path_spec.match_files([str(dest_path)])):
                    ignored.append(PurePath(path))
                elif not (dest / dest_path).is_dir():
                    (dest / dest_path).mkdir(parents=True)
            else:
                target_path = dest / dest_path.parent / dest_path.name
                source = zip_file.open(path)
                target = target_path.open("wb")
                with source, target:
                    shutil.copyfileobj(source, target)
        deps_installed.append((bower_json["name"], bower_json["version"]))
        return deps_installed
def _read_soundings(sounding_file_name, sounding_field_names, radar_image_dict):
    """Reads storm-centered soundings and matches w storm-centered radar imgs.

    :param sounding_file_name: Path to input file (will be read by
        `soundings.read_soundings`).
    :param sounding_field_names: See doc for `soundings.read_soundings`.
    :param radar_image_dict: Dictionary created by
        `storm_images.read_storm_images`.
    :return: sounding_dict: Dictionary created by `soundings.read_soundings`.
    :return: radar_image_dict: Same as input, but excluding storm objects with
        no sounding.
    """

    print('Reading data from: "{0:s}"...'.format(sounding_file_name))
    sounding_dict, _ = soundings.read_soundings(
        netcdf_file_name=sounding_file_name,
        field_names_to_keep=sounding_field_names,
        full_id_strings_to_keep=radar_image_dict[storm_images.FULL_IDS_KEY],
        init_times_to_keep_unix_sec=radar_image_dict[
            storm_images.VALID_TIMES_KEY]
    )

    num_examples_with_soundings = len(sounding_dict[soundings.FULL_IDS_KEY])
    if num_examples_with_soundings == 0:
        return None, None

    radar_full_id_strings = numpy.array(
        radar_image_dict[storm_images.FULL_IDS_KEY]
    )
    orig_storm_times_unix_sec = (
        radar_image_dict[storm_images.VALID_TIMES_KEY] + 0
    )

    indices_to_keep = []

    for i in range(num_examples_with_soundings):
        this_index = numpy.where(numpy.logical_and(
            radar_full_id_strings == sounding_dict[soundings.FULL_IDS_KEY][i],
            orig_storm_times_unix_sec ==
            sounding_dict[soundings.INITIAL_TIMES_KEY][i]
        ))[0][0]

        indices_to_keep.append(this_index)

    indices_to_keep = numpy.array(indices_to_keep, dtype=int)
    radar_image_dict[storm_images.STORM_IMAGE_MATRIX_KEY] = radar_image_dict[
        storm_images.STORM_IMAGE_MATRIX_KEY
    ][indices_to_keep, ...]

    radar_image_dict[storm_images.FULL_IDS_KEY] = sounding_dict[
        soundings.FULL_IDS_KEY
    ]
    radar_image_dict[storm_images.VALID_TIMES_KEY] = sounding_dict[
        soundings.INITIAL_TIMES_KEY
    ]

    return sounding_dict, radar_image_dict