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 find_storm_images_2d3d_myrorss(
        top_directory_name, first_spc_date_string, last_spc_date_string,
        reflectivity_heights_m_agl):
    """Locates files with 2-D and 3-D storm-centered radar images.

    Fields in 2-D images: low-level and mid-level azimuthal shear
    Field in 3-D images: reflectivity

    D = number of SPC dates in time period (`first_spc_date_string`...
        `last_spc_date_string`)

    :param top_directory_name: See doc for `find_storm_images_2d`.
    :param first_spc_date_string: Same.
    :param last_spc_date_string: Same.
    :param reflectivity_heights_m_agl: Same.
    :return: az_shear_file_name_matrix: D-by-2 numpy array of file paths.  Files
        in column 0 are low-level az shear; files in column 1 are mid-level az
        shear.
    :return: reflectivity_file_name_matrix: D-by-H numpy array of file paths,
        where H = number of reflectivity heights.
    """

    first_spc_date_unix_sec = time_conversion.spc_date_string_to_unix_sec(
        first_spc_date_string)
    last_spc_date_unix_sec = time_conversion.spc_date_string_to_unix_sec(
        last_spc_date_string)

    field_names = AZIMUTHAL_SHEAR_FIELD_NAMES + [radar_utils.REFL_NAME]

    storm_image_file_dict = storm_images.find_many_files_myrorss_or_mrms(
        top_directory_name=top_directory_name,
        radar_source=radar_utils.MYRORSS_SOURCE_ID,
        radar_field_names=field_names,
        reflectivity_heights_m_agl=reflectivity_heights_m_agl,
        start_time_unix_sec=first_spc_date_unix_sec,
        end_time_unix_sec=last_spc_date_unix_sec,
        one_file_per_time_step=False,
        raise_error_if_all_missing=True, raise_error_if_any_missing=False)

    radar_file_name_matrix = storm_image_file_dict[
        storm_images.IMAGE_FILE_NAMES_KEY]
    time_missing_indices = numpy.unique(
        numpy.where(radar_file_name_matrix == '')[0]
    )
    radar_file_name_matrix = numpy.delete(
        radar_file_name_matrix, time_missing_indices, axis=0)

    return radar_file_name_matrix[:, :2], radar_file_name_matrix[:, 2:]