我们从Python开源项目中，提取了以下44个代码示例，用于说明如何使用locale.find()。
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()
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
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
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
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
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()
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. """ from google.appengine._internal.django.conf import settings globalpath = os.path.join(os.path.dirname(sys.modules[settings.__module__].__file__), 'locale') if gettext_module.find('django', globalpath, [to_locale(lang_code)]) is not None: return True else: return False
def get_language_from_request(request): """ Analyzes the request to find what language the user wants the system to show. Only languages listed in settings.LANGUAGES are taken into account. If the user requests a sublanguage where we have a main language, we send out the main language. """ global _accepted from google.appengine._internal.django.conf import settings globalpath = os.path.join(os.path.dirname(sys.modules[settings.__module__].__file__), 'locale') supported = dict(settings.LANGUAGES) if hasattr(request, 'session'): lang_code = request.session.get('django_language', None) if lang_code in supported and lang_code is not None and check_for_language(lang_code): return lang_code lang_code = request.COOKIES.get(settings.LANGUAGE_COOKIE_NAME) if lang_code and lang_code not in supported: lang_code = lang_code.split('-')[0] # e.g. if fr-ca is not supported fallback to fr if lang_code and lang_code in supported and check_for_language(lang_code): return lang_code accept = request.META.get('HTTP_ACCEPT_LANGUAGE', '') for accept_lang, unused in parse_accept_lang_header(accept): if accept_lang == '*': break # We have a very restricted form for our language files (no encoding # specifier, since they all must be UTF-8 and only one possible # language each time. So we avoid the overhead of gettext.find() and # work out the MO file manually. # 'normalized' is the root name of the locale in POSIX format (which is # the format used for the directories holding the MO files). normalized = locale.locale_alias.get(to_locale(accept_lang, True)) if not normalized: continue # Remove the default encoding from locale_alias. normalized = normalized.split('.')[0] if normalized in _accepted: # We've seen this locale before and have an MO file for it, so no # need to check again. return _accepted[normalized] for lang, dirname in ((accept_lang, normalized), (accept_lang.split('-')[0], normalized.split('_')[0])): if lang.lower() not in supported: continue langfile = os.path.join(globalpath, dirname, 'LC_MESSAGES', 'django.mo') if os.path.exists(langfile): _accepted[normalized] = lang return lang return settings.LANGUAGE_CODE
