Python locale.find方法代码示例

# 需要导入模块: import locale [as 别名]
# 或者: from locale import find [as 别名]
def to_locale(language, to_lower=False):
    """
    Turns a language name (en-us) into a locale name (en_US). If 'to_lower' is
    True, the last component is lower-cased (en_us).
    """
    p = language.find('-')
    if p >= 0:
        if to_lower:
            return language[:p].lower()+'_'+language[p+1:].lower()
        else:
            # Get correct locale for sr-latn
            if len(language[p+1:]) > 2:
                return language[:p].lower()+'_'+language[p+1].upper()+language[p+2:].lower()
            return language[:p].lower()+'_'+language[p+1:].upper()
    else:
        return language.lower() 

# 需要导入模块: import locale [as 别名]
# 或者: from locale import find [as 别名]
def do_translate(message, translation_function):
    """
    Translates 'message' using the given 'translation_function' name -- which
    will be either gettext or ugettext. It uses the current thread to find the
    translation object to use. If no current translation is activated, the
    message will be run through the default translation object.
    """
    global _default

    # str() is allowing a bytestring message to remain bytestring on Python 2
    eol_message = message.replace(str('\r\n'), str('\n')).replace(str('\r'), str('\n'))
    t = getattr(_active, "value", None)
    if t is not None:
        result = getattr(t, translation_function)(eol_message)
    else:
        if _default is None:
            from django.conf import settings
            _default = translation(settings.LANGUAGE_CODE)
        result = getattr(_default, translation_function)(eol_message)
    if isinstance(message, SafeData):
        return mark_safe(result)
    return result 

# 需要导入模块: import locale [as 别名]
# 或者: from locale import find [as 别名]
def do_translate(message, translation_function):
    """
    Translates 'message' using the given 'translation_function' name -- which
    will be either gettext or ugettext. It uses the current thread to find the
    translation object to use. If no current translation is activated, the
    message will be run through the default translation object.
    """
    eol_message = message.replace('\r\n', '\n').replace('\r', '\n')
    global _default, _active
    t = _active.get(currentThread(), None)
    if t is not None:
        result = getattr(t, translation_function)(eol_message)
    else:
        if _default is None:
            from google.appengine._internal.django.conf import settings
            _default = translation(settings.LANGUAGE_CODE)
        result = getattr(_default, translation_function)(eol_message)
    if isinstance(message, SafeData):
        return mark_safe(result)
    return result 

# 需要导入模块: import locale [as 别名]
# 或者: from locale import find [as 别名]
def _expand_lang(locale):
    from locale import normalize
    locale = normalize(locale)
    COMPONENT_CODESET   = 1 << 0
    COMPONENT_TERRITORY = 1 << 1
    COMPONENT_MODIFIER  = 1 << 2
    # split up the locale into its base components
    mask = 0
    pos = locale.find('@')
    if pos >= 0:
        modifier = locale[pos:]
        locale = locale[:pos]
        mask |= COMPONENT_MODIFIER
    else:
        modifier = ''
    pos = locale.find('.')
    if pos >= 0:
        codeset = locale[pos:]
        locale = locale[:pos]
        mask |= COMPONENT_CODESET
    else:
        codeset = ''
    pos = locale.find('_')
    if pos >= 0:
        territory = locale[pos:]
        locale = locale[:pos]
        mask |= COMPONENT_TERRITORY
    else:
        territory = ''
    language = locale
    ret = []
    for i in range(mask+1):
        if not (i & ~mask):  # if all components for this combo exist ...
            val = language
            if i & COMPONENT_TERRITORY: val += territory
            if i & COMPONENT_CODESET:   val += codeset
            if i & COMPONENT_MODIFIER:  val += modifier
            ret.append(val)
    ret.reverse()
    return ret 

# 需要导入模块: import locale [as 别名]
# 或者: from locale import find [as 别名]
def find(domain, localedir=None, languages=None, all=0):
    # Get some reasonable defaults for arguments that were not supplied
    if localedir is None:
        localedir = _default_localedir
    if languages is None:
        languages = []
        for envar in ('LANGUAGE', 'LC_ALL', 'LC_MESSAGES', 'LANG'):
            val = os.environ.get(envar)
            if val:
                languages = val.split(':')
                break
        if 'C' not in languages:
            languages.append('C')
    # now normalize and expand the languages
    nelangs = []
    for lang in languages:
        for nelang in _expand_lang(lang):
            if nelang not in nelangs:
                nelangs.append(nelang)
    # select a language
    if all:
        result = []
    else:
        result = None
    for lang in nelangs:
        if lang == 'C':
            break
        mofile = os.path.join(localedir, lang, 'LC_MESSAGES', '%s.mo' % domain)
        if os.path.exists(mofile):
            if all:
                result.append(mofile)
            else:
                return mofile
    return result



# a mapping between absolute .mo file path and Translation object 

# 需要导入模块: import locale [as 别名]
# 或者: from locale import find [as 别名]
def translation(domain, localedir=None, languages=None,
                class_=None, fallback=False, codeset=None):
    if class_ is None:
        class_ = GNUTranslations
    mofiles = find(domain, localedir, languages, all=1)
    if not mofiles:
        if fallback:
            return NullTranslations()
        raise IOError(ENOENT, 'No translation file found for domain', domain)
    # Avoid opening, reading, and parsing the .mo file after it's been done
    # once.
    result = None
    for mofile in mofiles:
        key = (class_, os.path.abspath(mofile))
        t = _translations.get(key)
        if t is None:
            with open(mofile, 'rb') as fp:
                t = _translations.setdefault(key, class_(fp))
        # Copy the translation object to allow setting fallbacks and
        # output charset. All other instance data is shared with the
        # cached object.
        t = copy.copy(t)
        if codeset:
            t.set_output_charset(codeset)
        if result is None:
            result = t
        else:
            result.add_fallback(t)
    return result 

# 需要导入模块: import locale [as 别名]
# 或者: from locale import find [as 别名]
def to_language(locale):
    """Turns a locale name (en_US) into a language name (en-us)."""
    p = locale.find('_')
    if p >= 0:
        return locale[:p].lower()+'-'+locale[p+1:].lower()
    else:
        return locale.lower() 

# 需要导入模块: import locale [as 别名]
# 或者: from locale import find [as 别名]
def check_for_language(lang_code):
    """
    Checks whether there is a global language file for the given language
    code. This is used to decide whether a user-provided language is
    available. This is only used for language codes from either the cookies
    or session and during format localization.
    """
    for path in all_locale_paths():
        if gettext_module.find('django', path, [to_locale(lang_code)]) is not None:
            return True
    return False