Python django.template.defaultfilters 模块，linebreaks() 实例源码

def render(self, context):
        s = ''
        try:
            sponsor = self.sponsor_var.resolve(context)
            content_type = '%s_%s' % (self.content_type, context['request'].LANGUAGE_CODE)
            texts = sponsor.sponsor_benefits.filter(benefit__content_type=content_type)
            if texts.count() > 0:
                s = linebreaks(urlize(texts[0].text, autoescape=True))
            if self.content_var:
                context[self.content_var] = s
                s = ''
        except:
            pass
        return s

def linebreaks_and_paragraphs(value):
    from django.template.defaultfilters import linebreaks
    return linebreaks(value)

def linebreaks(value):
    from django.template.defaultfilters import linebreaksbr
    return linebreaksbr(value)

def environment(**options):
    env = Environment(**options)
    env.install_gettext_translations(translation, newstyle=True)

    from .templatetags.borgcube import get_url, field_name, compression_name, summarize_archive, job_outcome, format_timedelta, json, describe_recurrence
    from django.utils.html import escapejs
    from django.template.defaultfilters import linebreaks, linebreaksbr, yesno

    env.filters.update({
        'get_url': get_url,  # TODO: remove
        'field_name': field_name,
        'compression_name': compression_name,
        'summarize_archive': summarize_archive,
        'job_outcome': job_outcome,
        'format_timedelta': format_timedelta,
        'json': json,
        'describe_recurrence': describe_recurrence,

        'escapejs': escapejs,
        'linebreaks': linebreaks,
        'linebreaksbr': linebreaksbr,
        'yesno': yesno,
    })

    hook.borgcube_web_jinja_env(env=env)
    return env

def item_content(self, notification):
        return {"type": "html"}, linebreaks(escape(notification.message))

def migrate_old_posts():
    """
    Converts all old posts from a simple page format to one Wagtail accepts
    """
    # id=4 is the specific page ID for the news index page
    index = Page.objects.get(id=4).specific
    old_posts = Communication.objects.using('old_data').all().order_by('date')
    user = get_user_model().objects.get(id=1)

    for post in old_posts:
        if post.title:
            title = post.title
        else:
            title = 'Archived item from {date}'.format(date=date(post.date, 'D jS F Y'))

        slug = slugify('{title} - {rand}'.format(title=title, rand=int(round(time.time() * 1000))))

        if len(post.text) > 512:
            intro = post.text[:512] + '...'
        else:
            intro = post.text

        page = BlogPage(
            search_description='',
            seo_title=title,
            show_in_menus=False,
            slug=slug,
            title=title,
            date=post.date,
            first_published_at=post.date,
            intro=linebreaks(intro),
        )

        page.body.stream_data = [
            ('paragraph', RichText('<p>{body}</p>'.format(body=linebreaks(post.text))))
        ]

        page.tags.add(COMMS_DICT[post.type])

        print('Restoring article from {date}'.format(date=post.date))

        index.add_child(instance=page)
        revision = page.save_revision(
            user=user,
            submitted_for_moderation=False
        )
        revision.publish()
        page.save()

def migrate_events():
    event_index = Page.objects.get(id=6).specific
    user = get_user_model().objects.get(id=1)
    old_events = OldEvent.objects.using('old_data').all()

    # Migrate events
    for old_event in old_events:
        old_event_type = old_event.type

        try:
            # We don't actually care about this - its a test to migrate the event across
            event_type = EventType.objects.get(name=old_event_type.name, target=old_event_type.target)
        except EventType.DoesNotExist:
            event_type = EventType(name=old_event_type.name, target=old_event_type.target)
            event_type.save()

        title = '{type} on {date}'.format(type=old_event_type.name, date=date(old_event.start, 'D jS F Y'))
        slug = slugify('{title} - {rand}'.format(title=title, rand=int(round(time.time() * 1000))))

        if old_event.shortDescription:
            description = old_event.shortDescription
        else:
            if old_event_type.info:
                description = old_event_type.info
            else:
                description = old_event_type.name

        new_event = EventPage(
            title=title.strip(),
            slug=slug,
            description=description.strip(),
            start=old_event.start,
            finish=old_event.finish,
            cancelled=old_event.cancelled,
            category=event_type,
            location=old_event.location.name
        )

        new_event.body.stream_data = [
            ('paragraph', RichText('<p>{body}</p>'.format(body=linebreaks(old_event.longDescription))))
        ]

        print('Restoring event {type} from {date}'.format(type=old_event.type.name, date=old_event.start))

        event_index.add_child(instance=new_event)
        revision = new_event.save_revision(
            user=user,
            submitted_for_moderation=False
        )
        revision.publish()
        new_event.save()

        # Deal with signups
        old_signups = Signup.objects.using('old_data').filter(event_id=old_event.id)

        for old_signup in old_signups:
            print('Restoring signup for {type} from {date}'.format(type=old_event.type.name, date=old_event.start))
            new_signup = EventSignup(comment=truncatechars(old_signup.comment, 1024),
                                     member=get_user_model().objects.get(id=old_signup.user_id),
                                     event_id=new_event.id, signup_created=old_signup.time)
            new_signup.save()