python类localize()的实例源码

def display_for_field(value, field, empty_value_display):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon

    if getattr(field, 'flatchoices', None):
        return dict(field.flatchoices).get(value, empty_value_display)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return _boolean_icon(value)
    elif value is None:
        return empty_value_display
    elif isinstance(field, models.DateTimeField):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, (models.IntegerField, models.FloatField)):
        return formats.number_format(value)
    elif isinstance(field, models.FileField) and value:
        return format_html('<a href="{}">{}</a>', value.url, value)
    else:
        return display_for_value(value, empty_value_display)

def display_for_value(value, empty_value_display, boolean=False):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon

    if boolean:
        return _boolean_icon(value)
    elif value is None:
        return empty_value_display
    elif isinstance(value, datetime.datetime):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(value, (datetime.date, datetime.time)):
        return formats.localize(value)
    elif isinstance(value, six.integer_types + (decimal.Decimal, float)):
        return formats.number_format(value)
    elif isinstance(value, (list, tuple)):
        return ', '.join(force_text(v) for v in value)
    else:
        return smart_text(value)

def display_for_field(value, field):
    from xadmin.views.list import EMPTY_CHANGELIST_VALUE

    if field.flatchoices:
        return dict(field.flatchoices).get(value, EMPTY_CHANGELIST_VALUE)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return boolean_icon(value)
    elif value is None:
        return EMPTY_CHANGELIST_VALUE
    elif isinstance(field, models.DateTimeField):
        return formats.localize(tz_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, models.FloatField):
        return formats.number_format(value)
    elif isinstance(field.rel, models.ManyToManyRel):
        return ', '.join([smart_unicode(obj) for obj in value.all()])
    else:
        return smart_unicode(value)

def revision_view(self, request, object_id, version_id, extra_context=None):
        if not is_installed('reversion'):
            return HttpResponseBadRequest('django reversion not installed')

        if not self.has_change_permission(request, Page.objects.get(pk=object_id)):
            raise PermissionDenied

        page = get_object_or_404(self.model, pk=object_id)
        if not page.publisher_is_draft:
            page = page.publisher_draft
        if not page.has_change_permission(request):
            return HttpResponseForbidden(force_text(_("You do not have permission to change this page")))
        try:
            version = Version.objects.get(pk=version_id)
            clean = page._apply_revision(version.revision, set_dirty=True)
            if not clean:
                messages.error(request, _("Page reverted but slug stays the same because of url collisions."))
            with create_revision():
                adapter = self.revision_manager.get_adapter(page.__class__)
                self.revision_context_manager.add_to_context(self.revision_manager, page, adapter.get_version_data(page))
                self.revision_context_manager.set_comment(_("Reverted to previous version, saved on %(datetime)s") % {"datetime": localize(version.revision.date_created)})
        except IndexError as e:
            return HttpResponseBadRequest(e.message)

        return HttpResponseRedirect(admin_reverse('cms_page_change', args=(quote(object_id),)))

def revisionform_view(self, request, version, template_name, extra_context=None):
        try:
            with transaction.atomic():
                # Revert the revision.
                version.revision.revert(delete=True)
                # Run the normal change_view view.
                with self._create_revision(request):
                    response = self.change_view(request, version.object_id, request.path, extra_context)
                    # Decide on whether the keep the changes.
                    if request.method == "POST" and response.status_code == 302:
                        self.revision_context_manager.set_comment(_("Reverted to previous version, saved on %(datetime)s") % {"datetime": localize(version.revision.date_created)})
                    else:
                        response.template_name = template_name
                        response.render()
                        raise RollBackRevisionView
        except RollBackRevisionView:
            pass
        return response

def display_for_field(value, field):
    from xadmin.views.list import EMPTY_CHANGELIST_VALUE

    if field.flatchoices:
        return dict(field.flatchoices).get(value, EMPTY_CHANGELIST_VALUE)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return boolean_icon(value)
    elif value is None:
        return EMPTY_CHANGELIST_VALUE
    elif isinstance(field, models.DateTimeField):
        return formats.localize(tz_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, models.FloatField):
        return formats.number_format(value)
    elif isinstance(field.rel, models.ManyToManyRel):
        return ', '.join([smart_unicode(obj) for obj in value.all()])
    else:
        return smart_unicode(value)

def display_for_field(value, field):
    from xadmin.views.list import EMPTY_CHANGELIST_VALUE

    if field.flatchoices:
        return dict(field.flatchoices).get(value, EMPTY_CHANGELIST_VALUE)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return boolean_icon(value)
    elif value is None:
        return EMPTY_CHANGELIST_VALUE
    elif isinstance(field, models.DateTimeField):
        return formats.localize(tz_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, models.FloatField):
        return formats.number_format(value)
    elif isinstance(field.rel, models.ManyToManyRel):
        return ', '.join([smart_unicode(obj) for obj in value.all()])
    else:
        return value#smart_unicode(value)

def display_for_field(value, field, empty_value_display):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon

    if getattr(field, 'flatchoices', None):
        return dict(field.flatchoices).get(value, empty_value_display)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return _boolean_icon(value)
    elif value is None:
        return empty_value_display
    elif isinstance(field, models.DateTimeField):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, (models.IntegerField, models.FloatField)):
        return formats.number_format(value)
    elif isinstance(field, models.FileField) and value:
        return format_html('<a href="{}">{}</a>', value.url, value)
    else:
        return smart_text(value)

def display_for_field(value, field, empty_value_display):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon

    if getattr(field, 'flatchoices', None):
        return dict(field.flatchoices).get(value, empty_value_display)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return _boolean_icon(value)
    elif value is None:
        return empty_value_display
    elif isinstance(field, models.DateTimeField):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, (models.IntegerField, models.FloatField)):
        return formats.number_format(value)
    elif isinstance(field, models.FileField) and value:
        return format_html('<a href="{}">{}</a>', value.url, value)
    else:
        return display_for_value(value, empty_value_display)

def display_for_value(value, empty_value_display, boolean=False):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon

    if boolean:
        return _boolean_icon(value)
    elif value is None:
        return empty_value_display
    elif isinstance(value, datetime.datetime):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(value, (datetime.date, datetime.time)):
        return formats.localize(value)
    elif isinstance(value, six.integer_types + (decimal.Decimal, float)):
        return formats.number_format(value)
    elif isinstance(value, (list, tuple)):
        return ', '.join(force_text(v) for v in value)
    else:
        return force_text(value)

def display_for_field(value, field, empty_value_display):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon

    if getattr(field, 'flatchoices', None):
        return dict(field.flatchoices).get(value, empty_value_display)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return _boolean_icon(value)
    elif value is None:
        return empty_value_display
    elif isinstance(field, models.DateTimeField):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, (models.IntegerField, models.FloatField)):
        return formats.number_format(value)
    elif isinstance(field, models.FileField) and value:
        return format_html('<a href="{}">{}</a>', value.url, value)
    else:
        return smart_text(value)

def display_for_field(value, field, empty_value_display):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon

    if getattr(field, 'flatchoices', None):
        return dict(field.flatchoices).get(value, empty_value_display)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return _boolean_icon(value)
    elif value is None:
        return empty_value_display
    elif isinstance(field, models.DateTimeField):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, (models.IntegerField, models.FloatField)):
        return formats.number_format(value)
    elif isinstance(field, models.FileField) and value:
        return format_html('<a href="{}">{}</a>', value.url, value)
    else:
        return smart_text(value)

def localize_tag(parser, token):
    """
    Forces or prevents localization of values, regardless of the value of
    `settings.USE_L10N`.

    Sample usage::

        {% localize off %}
            var pi = {{ 3.1415 }};
        {% endlocalize %}
    """
    use_l10n = None
    bits = list(token.split_contents())
    if len(bits) == 1:
        use_l10n = True
    elif len(bits) > 2 or bits[1] not in ('on', 'off'):
        raise TemplateSyntaxError("%r argument should be 'on' or 'off'" % bits[0])
    else:
        use_l10n = bits[1] == 'on'
    nodelist = parser.parse(('endlocalize',))
    parser.delete_first_token()
    return LocalizeNode(nodelist, use_l10n)

def display_for_value(value, empty_value_display, boolean=False):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon

    if boolean:
        return _boolean_icon(value)
    elif value is None:
        return empty_value_display
    elif isinstance(value, datetime.datetime):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(value, (datetime.date, datetime.time)):
        return formats.localize(value)
    elif isinstance(value, six.integer_types + (decimal.Decimal, float)):
        return formats.number_format(value)
    elif isinstance(value, (list, tuple)):
        return ', '.join(force_text(v) for v in value)
    else:
        return smart_text(value)

def display_for_field(value, field, empty_value_display):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon

    if getattr(field, 'flatchoices', None):
        return dict(field.flatchoices).get(value, empty_value_display)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return _boolean_icon(value)
    elif value is None:
        return empty_value_display
    elif isinstance(field, models.DateTimeField):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, (models.IntegerField, models.FloatField)):
        return formats.number_format(value)
    elif isinstance(field, models.FileField) and value:
        return format_html('<a href="{}">{}</a>', value.url, value)
    else:
        return display_for_value(value, empty_value_display)

def display_for_field(value, field):
    from xadmin.views.list import EMPTY_CHANGELIST_VALUE

    if field.flatchoices:
        return dict(field.flatchoices).get(value, EMPTY_CHANGELIST_VALUE)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return boolean_icon(value)
    elif value is None:
        return EMPTY_CHANGELIST_VALUE
    elif isinstance(field, models.DateTimeField):
        return formats.localize(tz_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, models.FloatField):
        return formats.number_format(value)
    elif isinstance(field.rel, models.ManyToManyRel):
        return ', '.join([smart_text(obj) for obj in value.all()])
    else:
        return smart_text(value)

def display_for_field(value, field, empty_value_display):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon

    if getattr(field, 'flatchoices', None):
        return dict(field.flatchoices).get(value, empty_value_display)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return _boolean_icon(value)
    elif value is None:
        return empty_value_display
    elif isinstance(field, models.DateTimeField):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, (models.IntegerField, models.FloatField)):
        return formats.number_format(value)
    elif isinstance(field, models.FileField) and value:
        return format_html('<a href="{}">{}</a>', value.url, value)
    else:
        return display_for_value(value, empty_value_display)

def display_for_value(value, empty_value_display, boolean=False):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon

    if boolean:
        return _boolean_icon(value)
    elif value is None:
        return empty_value_display
    elif isinstance(value, datetime.datetime):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(value, (datetime.date, datetime.time)):
        return formats.localize(value)
    elif isinstance(value, six.integer_types + (decimal.Decimal, float)):
        return formats.number_format(value)
    elif isinstance(value, (list, tuple)):
        return ', '.join(force_text(v) for v in value)
    else:
        return smart_text(value)

def display_for_field(value, field):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon
    from django.contrib.admin.views.main import EMPTY_CHANGELIST_VALUE

    if field.flatchoices:
        return dict(field.flatchoices).get(value, EMPTY_CHANGELIST_VALUE)
    # NullBooleanField needs special-case null-handling, so it comes
    # before the general null test.
    elif isinstance(field, models.BooleanField) or isinstance(field, models.NullBooleanField):
        return _boolean_icon(value)
    elif value is None:
        return EMPTY_CHANGELIST_VALUE
    elif isinstance(field, models.DateTimeField):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(field, (models.DateField, models.TimeField)):
        return formats.localize(value)
    elif isinstance(field, models.DecimalField):
        return formats.number_format(value, field.decimal_places)
    elif isinstance(field, models.FloatField):
        return formats.number_format(value)
    else:
        return smart_text(value)

def display_for_value(value, boolean=False):
    from django.contrib.admin.templatetags.admin_list import _boolean_icon
    from django.contrib.admin.views.main import EMPTY_CHANGELIST_VALUE

    if boolean:
        return _boolean_icon(value)
    elif value is None:
        return EMPTY_CHANGELIST_VALUE
    elif isinstance(value, datetime.datetime):
        return formats.localize(timezone.template_localtime(value))
    elif isinstance(value, (datetime.date, datetime.time)):
        return formats.localize(value)
    elif isinstance(value, six.integer_types + (decimal.Decimal, float)):
        return formats.number_format(value)
    else:
        return smart_text(value)