Python i18n._L函数代码示例

    def __init__(self, pager):
        filters_by_name = dict(map(lambda f: (f.name, f), pager().filters))

        # state names
        state_names = ['SUGGESTED_STEP', 'SELECTED_STEP',
                       'PROJECT_STEP', 'PROTOTYPE_STEP', 'EXTENDED_STEP',
                       'refused']

        if pager()._transform != 'progressing_ideas':
            state_names = ['STUDY_STEP', ] + state_names

        if pager()._transform == 'user':
            state_names.insert(0, 'SUBMITTED_STEP')

        filter_state = [filters_by_name[name] for name in state_names]
        self.filter_menu_state = FilterMenu(filter_state, 'state', pager)

        period_names = ['last_day', 'last_week', 'last_month']
        filter_period = [filters_by_name[name] for name in period_names]
        self.filter_menu_period = FilterMenu(filter_period, 'period', pager)

        filter_domain = [filter for filter in pager().filters if isinstance(filter, IdeaDomainFilter)]
        self.filter_menu_domain = FilterMenu(filter_domain, 'domain', pager)
        filter_challenge = [filter for filter in pager().filters if isinstance(filter, IdeaChallengeFilter)]
        self.filter_menu_challenge = FilterMenu(filter_challenge, 'challenge', pager)

        self.menu_state = component.Component(PagerMenu(_L(u'state'), self.filter_menu_state, pager, pager().change_filter_state))
        self.menu_challenge = component.Component(PagerMenu(_L(u'challenge'), self.filter_menu_challenge, pager, pager().change_filter_challenge))
        self.menu_period = component.Component(PagerMenu(_L(u'period'), self.filter_menu_period, pager, pager().change_filter_period))
        self.menu_domain = component.Component(PagerMenu(_L(u'domain'), self.filter_menu_domain, pager, pager().change_filter_domain))

        self.menu_state().attach_linked_menu([self.menu_challenge(), self.menu_period(), self.menu_domain()])
        self.menu_challenge().attach_linked_menu([self.menu_state(), self.menu_period(), self.menu_domain()])
        self.menu_period().attach_linked_menu([self.menu_challenge(), self.menu_state(), self.menu_domain()])
        self.menu_domain().attach_linked_menu([self.menu_challenge(), self.menu_period(), self.menu_state()])

    def initialization(self):
        """ Initialize Kansha application

        Initialize user_menu with current user,
        Initialize last board

        Return:
         - app initialized
        """
        user = security.get_user()
        self.home_menu['boards'] = MenuEntry(
            _L(u'Boards'),
            'board',
            self.boards_manager
        )
        self.home_menu['profile'] = MenuEntry(
            _L(u'Profile'),
            'user',
            self._services(
                get_userform(
                    self.app_title, self.app_banner, self.theme, user.data.source
                ),
                user.data,
            )
        )
        self.user_menu = component.Component(user)
        if user and self.content() is None:
            self.select_last_board()
        return self

def validate_file(data, max_size=None,
                  msg=_L(u'Size must be less than %d KB')):
    """
    Validate a 'file' input data against the max size in KB
    """
    # check against the first roundtrip with the client
    if data is None or is_string(data):
        return None

    if data.done == -1:
        raise ValueError(_L(u'Transfer was interrupted'))

    # gets the file size (it's a StringIO)
    data.file.seek(0, 2)  # 0 from EOF
    filesize = data.file.tell()
    data.file.seek(0)

    if max_size is not None and filesize > max_size * 1024:
        raise ValueError(msg % max_size)

    filedata = data.file.read()
    filename = ntpath.basename(unicode(data.filename))

    return {'filename': filename,
            'filedata': filedata,
            'content_type': unicode(data.type)}

    def __init__(self, app_title, app_banner, custom_css, user, search_engine, services_service):
        """
        In:
         - ``user`` -- user (DataUser instance)
        """
        self.app_title = app_title
        self.menu = OrderedDict()
        self.menu['boards'] = MenuEntry(
            _L(u'Boards'),
            services_service(
                UserBoards,
                app_title,
                app_banner,
                custom_css,
                user,
            )
        )
        self.menu['my-cards'] = MenuEntry(
            _L(u'My cards'),
            services_service(UserCards, user, search_engine)
        )
        self.menu['profile'] = MenuEntry(
            _L(u'Profile'),
            services_service(
                get_userform(
                    app_title, app_banner, custom_css, user.source
                ),
                user,
            )
        )

        self.content = component.Component(None)
        self._on_menu_entry(next(iter(self.menu)))

    def __init__(self, app_title, app_banner, custom_css, user, mail_sender, assets_manager, search_engine):
        """
        In:
         - ``user`` -- user (DataUser instance)
         - ``mail_sender`` -- MailSender instance
        """
        self.app_title = app_title
        self.menu = collections.OrderedDict()
        self.menu['boards'] = MenuEntry(
            _L(u'Boards'),
            UserBoards(
                app_title,
                app_banner,
                custom_css,
                [dbm.board for dbm in user.board_members],
                mail_sender,
                assets_manager
            )
        )
        self.menu['my-cards'] = MenuEntry(
            _L(u'My cards'),
            UserCards(user, assets_manager, search_engine)
        )
        self.menu['profile'] = MenuEntry(
            _L(u'Profile'),
            get_userform(
                app_title, app_banner, custom_css, user.source
            )(user, mail_sender, assets_manager)
        )

        self.content = component.Component(None)
        self._on_menu_entry(next(iter(self.menu)))

    def __init__(self, idea):
        super(WorkflowSection, self).__init__()
        self.idea_id = idea if is_integer(idea) else idea.id

        self.switching_menu = component.Component(WorkflowMenu(self.idea_id, switching_actions))
        event_management._register_listener(self, self.switching_menu())

        recommendation_legend = _L(u'After my appraisal i can propose two kinds of suggestion:')
        self.recommendation_menu = component.Component(
            WorkflowMenu(self.idea_id, recommendation_actions, recommendation_legend))
        event_management._register_listener(self, self.recommendation_menu())

        self.evaluation_menu = component.Component(EvaluationMenu(self.idea_id))

        self.tabs = (('switching', _L(u'My actions'), self.switching_menu),
                     ('evaluation', _L(u"My evaluation"), self.evaluation_menu),
                     ('recommendation', _L(u"My recommendation"), self.recommendation_menu))
        self.selected_tab = editor.Property('switching')

        self.menu_items = [(label, name, None, '', None) for name, label, action in self.filtered_tabs]

        self.menu = component.Component(Menu([], self.filter_menu), model='tab_renderer')
        self.menu.on_answer(self.select_tab)

        if self.menu_items:
            self.select_tab(0)

def fi_states_labels():
    workflow = get_workflow()
    return (
        (workflow.WFStates.FI_NORMALIZE_STATE, _L(u'You have %d ideas to review')),
        (workflow.WFStates.AUTHOR_NORMALIZE_STATE, _L(u'You have sent back %d ideas to innovators')),
        (workflow.WFStates.DI_APPRAISAL_STATE, _L(u'You have sent %d ideas to developers')),
        (workflow.WFStates.FI_REFUSED_STATE, _L(u'You have refused %d ideas')),
    )

def validate_email(value, required_msg=_L("Required field"), invalid_msg=_L("Invalid email address")):
    """Check that the value is a valid email address"""
    if not value:
        raise ValueError(_(required_msg))

    # convert to lowercase
    value = value.lower()

    if len(value) > 7:
        if re.match(MAIL_RE, value):
            return value

    raise ValueError(_(invalid_msg))

 def __init__(self, app_title, custom_css, user, mail_sender, assets_manager, search_engine):
     """
     In:
      - ``user`` -- user (DataUser instance)
      - ``mail_sender`` -- MailSender instance
     """
     self.app_title = app_title
     self.menu = ((_L(u'Boards'), UserBoards(app_title, custom_css, [dbm.board for dbm in user.board_members], mail_sender, assets_manager)),
                  (_L(u'My cards'), UserCards(
                      user, assets_manager, search_engine)),
                  (_L(u'Profile'), get_userform(app_title, custom_css, user.source)(
                      user, mail_sender, assets_manager)),
                  )
     self.content = component.Component(None)
     self.select(self.menu[0][0])

def user_email_list(text, separator=',', check_user_email=True):
    """Validate a list of email addresses between commas"""
    emails = [item.strip() for item in text.split(separator) if
              item.strip() != '']

    if not emails:
        raise ValueError(_L(u"Can't be empty"))

    for email in emails:
        if not validateEmail(email):
            raise ValueError(_L(u"%s is not a valid email address") % email)
        if check_user_email and not UserRepository().get_by_email(email):
            raise ValueError(
                _L(u"There's no user with this email address: %s") % email)

    return emails

def in_words_list(text, separator=',', required=False, duplicates='warn',
                  words=()):
    values = word_list(text, separator=separator, required=required,
                       duplicates=duplicates)

    bad_words = set(values) - set(words)

    if bad_words:
        bad_words = list(bad_words)
        if len(bad_words) < 2:
            raise ValueError(_L(u"%s is not a valid value") % bad_words[0])
        else:
            raise ValueError(
                _L(u"%s are not valid values") % ', '.join(bad_words))

    return values

    def is_identifier(self, msg=_L('Should start with an ASCII letter and '
                                   'contain only ASCII letters or digits')):
        """Validate an identifier"""
        if not self.value:
            return self

        return self.match(IDENTIFIER_RE, msg)

def di_states_labels():
    workflow = get_workflow()
    return (
        (workflow.WFStates.DI_APPRAISAL_STATE, _L(u'You have %d ideas to review')),
        (workflow.WFStates.DSIG_BASKET_STATE, _L(u'You have sent %d ideas to DSIG')),
        (workflow.WFStates.DI_REFUSED_STATE, _L(u'You have refused %d ideas')),
        (workflow.WFStates.DI_APPROVED_STATE, _L(u'You have approved %d ideas')),
        (workflow.WFStates.SELECTED_STATE, _L(u'You have %d selected ideas')),
        (workflow.WFStates.PROJECT_STATE, _L(u'You have %d projected ideas')),
        (workflow.WFStates.PROTOTYPE_STATE, _L(u'You have %d prototyped ideas')),
        (workflow.WFStates.EXTENDED_STATE, _L(u'You have %d extended ideas')),
    )

    def __init__(self, v, strip=True, rstrip=False, lstrip=False, chars=None,
                 msg=_L(u'Must be a string')):
        # fix a nagare bug where StringValidator accepts None but fail in the not_empty check
        if v is not None and not is_string(v):  # we accept None or a string
            raise ValueError(msg)
        if v is None:  # strip will crash if the given value is None...
            strip = False

        super(ExtendedStringValidator, self).__init__(remove_invalid_chars(v),
                                                      strip, rstrip, lstrip,
                                                      chars)

def word_list(text, separator=',', required=False, duplicates='warn'):
    if not text:
        if required:
            raise ValueError(_L(u"Can't be empty"))
        return []

    words = [item.strip() for item in text.split(separator) if
             item.strip() != '']

    duplicates_handlers = {
        'ignore': (lambda w: w),
        'warn': check_duplicates,
        'remove': remove_duplicates,
    }
    return duplicates_handlers[duplicates](words)