예제 #1
0
def _get_metazone_cities(metazone, limit=5):
    zones = [tz for mz, tz in METAZONE_MAPPING_TO_TZ.items() if mz[0] == metazone]
    cities = sorted([territory[1] for tz, territory in TIMEZONE_NAMES.items() if tz in zones])

    if len(cities) > limit:
        return ", ".join(map(force_text, cities[:limit])) + ", ..."
    else:
        return ", ".join(map(force_text, cities))
예제 #2
0
def get_timezones_cities(timezones=None, exclude=None):
    """Returns a list of choices with (timezone code, exemplar city)-pairs, grouped by their territory.

    Only timezones present in the timezones argument, and not present in the exclude argument, are returned.
    """
    # We require sorting for the groupby
    timezones = COMMON_TIMEZONES if timezones is None else timezones
    exclude = exclude if exclude else []

    values = sorted(TIMEZONE_NAMES.items(), key=lambda item: orig_str(item[1][0]))
    result = []
    for territory, zones in itertools.groupby(values, lambda item: item[1][0]):
        items = [(k, v[1]) for k, v in zones if k in timezones and k not in exclude]
        if items:
            result.append((territory, items))
    return result