LOCALES = ('en_AU.utf8',
           'en_BW.utf8',
           # ... a finite set of locales
           )

def code_symbol_map():
    csmap = {}
    for loc in LOCALES:
        locale.setlocale(locale.LC_ALL, loc)
        conv = locale.localeconv()
        csmap[conv['int_curr_symbol'].strip()] = conv['currency_symbol']
    return csmap