codekingpro/portable-devtools

1import os2 3 4def messages_path():5    """6    Determine the path to the 'messages' directory as best possible.7    """8    module_path = os.path.abspath(__file__)9    locale_path = os.path.join(os.path.dirname(module_path), "locale")10    if not os.path.exists(locale_path):  # pragma: no cover11        locale_path = "/usr/share/locale"12    return locale_path13 14 15def get_builtin_gnu_translations(languages=None):16    """17    Get a gettext.GNUTranslations object pointing at the18    included translation files.19 20    :param languages:21        A list of languages to try, in order. If omitted or None, then22        gettext will try to use locale information from the environment.23    """24    import gettext25 26    return gettext.translation("wtforms", messages_path(), languages)27 28 29def get_translations(languages=None, getter=get_builtin_gnu_translations):30    """31    Get a WTForms translation object which wraps a low-level translations object.32 33    :param languages:34        A sequence of languages to try, in order.35    :param getter:36        A single-argument callable which returns a low-level translations object.37    """38    return getter(languages)39 40 41class DefaultTranslations:42    """43    A WTForms translations object to wrap translations objects which use44    ugettext/ungettext.45    """46 47    def __init__(self, translations):48        self.translations = translations49 50    def gettext(self, string):51        return self.translations.ugettext(string)52 53    def ngettext(self, singular, plural, n):54        return self.translations.ungettext(singular, plural, n)55 56 57class DummyTranslations:58    """59    A translations object which simply returns unmodified strings.60 61    This is typically used when translations are disabled or if no valid62    translations provider can be found.63    """64 65    def gettext(self, string):66        return string67 68    def ngettext(self, singular, plural, n):69        if n == 1:70            return singular71 72        return plural73