Add experimental liveblogging support

djangocms_blog/admin.py

@@ -89,6 +89,11 @@ class PostAdmin(PlaceholderAdminMixin, FrontendEditableAdminMixin,
         urls.extend(super(PostAdmin, self).get_urls())
         return urls
 
+    def post_add_plugin(self, request, placeholder, plugin):
+        if plugin.plugin_type in get_setting('LIVEBLOG_PLUGINS'):
+            plugin = plugin.move(plugin.get_siblings().first(), 'first-sibling')
+        return super(PostAdmin, self).post_add_plugin(request, placeholder, plugin)
+
     def publish_post(self, request, pk):
         """
         Admin view to publish a single post

djangocms_blog/liveblog/__init__.py

@@ -0,0 +1,2 @@
+# -*- coding: utf-8 -*-
+from __future__ import absolute_import, print_function, unicode_literals

djangocms_blog/liveblog/apps.py

@@ -0,0 +1,10 @@
+# -*- coding: utf-8 -*-
+from __future__ import absolute_import, print_function, unicode_literals
+
+from django.apps import AppConfig
+from django.utils.translation import ugettext_lazy as _
+
+
+class LiveBlogAppConfig(AppConfig):
+    name = 'djangocms_blog.liveblog'
+    verbose_name = _('Liveblog')

djangocms_blog/liveblog/cms_plugins.py

@@ -0,0 +1,30 @@
+# -*- coding: utf-8 -*-
+from __future__ import absolute_import, print_function, unicode_literals
+
+from cms.plugin_pool import plugin_pool
+from django.utils.translation import ugettext_lazy as _
+from djangocms_text_ckeditor.cms_plugins import TextPlugin
+
+from djangocms_blog.settings import get_setting
+
+from .models import Liveblog
+
+
+class LiveblogPlugin(TextPlugin):
+    module = get_setting('PLUGIN_MODULE_NAME')
+    name = _('Liveblog item')
+    model = Liveblog
+
+    def _get_render_template(self, context, instance, placeholder):
+        if instance.publish:
+            return 'liveblog/plugins/liveblog.html'
+        else:
+            return 'liveblog/plugins/unpublished.html'
+
+    def render(self, context, instance, placeholder):
+        context = super(LiveblogPlugin, self).render(context, instance, placeholder)
+        instance.content = context['body']
+        context['instance'] = instance
+        return context
+
+plugin_pool.register_plugin(LiveblogPlugin)

djangocms_blog/liveblog/consumers.py

@@ -0,0 +1,50 @@
+# -*- coding: utf-8 -*-
+from __future__ import absolute_import, print_function, unicode_literals
+
+import json
+
+from channels import Group
+
+from djangocms_blog.models import Post
+
+
+def liveblog_connect(message, apphook, lang, post):
+    """
+    Connect users to the group of the given post according to the given language
+
+    Return with an error message if a post cannot be found
+
+    :param message: channel connect message
+    :param apphook: apphook config namespace
+    :param lang: language
+    :param post: post slug
+    """
+    try:
+        post = Post.objects.namespace(apphook).language(lang).active_translations(slug=post).get()
+    except Post.DoesNotExist:
+        message.reply_channel.send({
+            'text': json.dumps({'error': 'no_post'}),
+        })
+        return
+    Group(post.liveblog_group).add(message.reply_channel)
+
+
+def liveblog_disconnect(message, apphook, lang, post):
+    """
+    Disconnect users to the group of the given post according to the given language
+
+    Return with an error message if a post cannot be found
+
+    :param message: channel connect message
+    :param apphook: apphook config namespace
+    :param lang: language
+    :param post: post slug
+    """
+    try:
+        post = Post.objects.namespace(apphook).language(lang).active_translations(slug=post).get()
+    except Post.DoesNotExist:
+        message.reply_channel.send({
+            'text': json.dumps({'error': 'no_post'}),
+        })
+        return
+    Group(post.liveblog_group).discard(message.reply_channel)

djangocms_blog/liveblog/migrations/0001_initial.py

@@ -0,0 +1,32 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import filer.fields.image
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('cms', '0013_urlconfrevision'),
+        ('filer', '0003_thumbnailoption'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Liveblog',
+            fields=[
+                ('cmsplugin_ptr', models.OneToOneField(parent_link=True, auto_created=True, primary_key=True, serialize=False, to='cms.CMSPlugin')),
+                ('body', models.TextField(verbose_name='body')),
+                ('publish', models.BooleanField(default=False, verbose_name='publish liveblog entry')),
+                ('image', filer.fields.image.FilerImageField(related_name='djangocms_blog_liveblog_image', on_delete=django.db.models.deletion.SET_NULL, verbose_name='image', blank=True, to='filer.Image', null=True)),
+                ('thumbnail', models.ForeignKey(related_name='djangocms_blog_liveblog_thumbnail', on_delete=django.db.models.deletion.SET_NULL, verbose_name='thumbnail size', blank=True, to='filer.ThumbnailOption', null=True)),
+            ],
+            options={
+                'verbose_name': 'liveblog entry',
+                'verbose_name_plural': 'liveblog entries',
+            },
+            bases=('cms.cmsplugin',),
+        ),
+    ]

djangocms_blog/liveblog/migrations/0002_liveblog_title.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('liveblog', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='liveblog',
+            name='title',
+            field=models.CharField(default='', max_length=255, verbose_name='title'),
+            preserve_default=False,
+        ),
+    ]

djangocms_blog/liveblog/models.py

@@ -0,0 +1,67 @@
+# -*- coding: utf-8 -*-
+from __future__ import absolute_import, print_function, unicode_literals
+
+import json
+
+from channels import Group
+from cms.models import CMSPlugin
+from cms.utils.plugins import reorder_plugins
+from django.db import models
+from djangocms_text_ckeditor.models import AbstractText
+from django.utils.translation import ugettext_lazy as _
+from filer.fields.image import FilerImageField
+
+from djangocms_blog.models import thumbnail_model, Post
+
+DATE_FORMAT = "%a %d %b %Y %H:%M"
+
+
+class Liveblog(AbstractText):
+    title = models.CharField(_('title'), max_length=255)
+    image = FilerImageField(
+        verbose_name=_('image'), blank=True, null=True, on_delete=models.SET_NULL,
+        related_name='djangocms_blog_liveblog_image'
+    )
+    thumbnail = models.ForeignKey(
+        thumbnail_model, verbose_name=_('thumbnail size'), on_delete=models.SET_NULL,
+        blank=True, null=True, related_name='djangocms_blog_liveblog_thumbnail'
+    )
+    publish = models.BooleanField(_('publish liveblog entry'), default=False)
+    node_order_by = '-changed_date'
+
+    class Meta:
+        verbose_name = _('liveblog entry')
+        verbose_name_plural = _('liveblog entries')
+
+    def save(self, no_signals=False, *args, **kwargs):
+        if not self.pk:
+            self.position = 0
+        saved = super(Liveblog, self).save(*args, **kwargs)
+        if self.publish:
+            self.send()
+        order = CMSPlugin.objects.filter(placeholder=self.placeholder).order_by('placeholder', 'path').values_list('pk', flat=True)
+        reorder_plugins(self.placeholder, None, self.language, order)
+        return saved
+
+    @property
+    def liveblog_group(self):
+        post = Post.objects.language(self.language).filter(liveblog=self.placeholder).first()
+        return post.liveblog_group
+
+    def render(self):
+        print(self.position, self.path)
+        return self.render_plugin()
+
+    def send(self):
+        """
+        Render the content and send to the related group
+        """
+        notification = {
+            'id': self.pk,
+            'content': self.render(),
+            'creation_date': self.creation_date.strftime(DATE_FORMAT),
+            'changed_date': self.changed_date.strftime(DATE_FORMAT),
+        }
+        Group(self.liveblog_group).send({
+            'text': json.dumps(notification),
+        })

djangocms_blog/liveblog/routing.py

@@ -0,0 +1,17 @@
+# -*- coding: utf-8 -*-
+from __future__ import absolute_import, print_function, unicode_literals
+
+from channels import route
+
+from .consumers import liveblog_connect, liveblog_disconnect
+
+channel_routing = [
+    route(
+        'websocket.connect', liveblog_connect,
+        path=r'^/liveblog/(?P<apphook>[a-zA-Z0-9_-]+)/(?P<lang>[a-zA-Z_-]+)/(?P<post>[a-zA-Z0-9_-]+)/$'
+    ),
+    route(
+        'websocket.disconnect', liveblog_disconnect,
+        path=r'^/liveblog/(?P<apphook>[a-zA-Z0-9_-]+)/(?P<lang>[a-zA-Z_-]+)/(?P<post>[a-zA-Z0-9_-]+)/$'
+    ),
+]

djangocms_blog/liveblog/static/liveblog/js/liveblog.js

@@ -0,0 +1,27 @@
+$(function () {
+  // Correctly decide between ws:// and wss://
+  var ws_scheme = window.location.protocol == "https:" ? "wss" : "ws";
+  var ws_path = ws_scheme + '://' + window.location.host + "/liveblog/liveblog/" + liveblog_apphook + "/" + liveblog_language + "/" + liveblog_post + "/";
+  console.log("Connecting to " + ws_path);
+  var socket = new ReconnectingWebSocket(ws_path);
+  // Handle incoming messages
+  socket.onmessage = function (message) {
+    // Decode the JSON
+    console.log("Got message " + message.data);
+    var data = JSON.parse(message.data);
+    // See if there's a div to replace it in, or if we should add a new one
+    var existing = $("div[data-post-id=" + data.id + "]");
+    if (existing.length) {
+      existing.replaceWith(data.content);
+    } else {
+      $("#liveblog-posts").prepend(data.content);
+    }
+  };
+  // Helpful debugging
+  socket.onopen = function () {
+    console.log("Connected to notification socket");
+  }
+  socket.onclose = function () {
+    console.log("Disconnected to notification socket");
+  }
+});

djangocms_blog/liveblog/static/liveblog/js/reconnecting-websocket.min.js

@@ -0,0 +1 @@
+!function(a,b){"function"==typeof define&&define.amd?define([],b):"undefined"!=typeof module&&module.exports?module.exports=b():a.ReconnectingWebSocket=b()}(this,function(){function a(b,c,d){function l(a,b){var c=document.createEvent("CustomEvent");return c.initCustomEvent(a,!1,!1,b),c}var e={debug:!1,automaticOpen:!0,reconnectInterval:1e3,maxReconnectInterval:3e4,reconnectDecay:1.5,timeoutInterval:2e3};d||(d={});for(var f in e)this[f]="undefined"!=typeof d[f]?d[f]:e[f];this.url=b,this.reconnectAttempts=0,this.readyState=WebSocket.CONNECTING,this.protocol=null;var h,g=this,i=!1,j=!1,k=document.createElement("div");k.addEventListener("open",function(a){g.onopen(a)}),k.addEventListener("close",function(a){g.onclose(a)}),k.addEventListener("connecting",function(a){g.onconnecting(a)}),k.addEventListener("message",function(a){g.onmessage(a)}),k.addEventListener("error",function(a){g.onerror(a)}),this.addEventListener=k.addEventListener.bind(k),this.removeEventListener=k.removeEventListener.bind(k),this.dispatchEvent=k.dispatchEvent.bind(k),this.open=function(b){h=new WebSocket(g.url,c||[]),b||k.dispatchEvent(l("connecting")),(g.debug||a.debugAll)&&console.debug("ReconnectingWebSocket","attempt-connect",g.url);var d=h,e=setTimeout(function(){(g.debug||a.debugAll)&&console.debug("ReconnectingWebSocket","connection-timeout",g.url),j=!0,d.close(),j=!1},g.timeoutInterval);h.onopen=function(){clearTimeout(e),(g.debug||a.debugAll)&&console.debug("ReconnectingWebSocket","onopen",g.url),g.protocol=h.protocol,g.readyState=WebSocket.OPEN,g.reconnectAttempts=0;var d=l("open");d.isReconnect=b,b=!1,k.dispatchEvent(d)},h.onclose=function(c){if(clearTimeout(e),h=null,i)g.readyState=WebSocket.CLOSED,k.dispatchEvent(l("close"));else{g.readyState=WebSocket.CONNECTING;var d=l("connecting");d.code=c.code,d.reason=c.reason,d.wasClean=c.wasClean,k.dispatchEvent(d),b||j||((g.debug||a.debugAll)&&console.debug("ReconnectingWebSocket","onclose",g.url),k.dispatchEvent(l("close")));var e=g.reconnectInterval*Math.pow(g.reconnectDecay,g.reconnectAttempts);setTimeout(function(){g.reconnectAttempts++,g.open(!0)},e>g.maxReconnectInterval?g.maxReconnectInterval:e)}},h.onmessage=function(b){(g.debug||a.debugAll)&&console.debug("ReconnectingWebSocket","onmessage",g.url,b.data);var c=l("message");c.data=b.data,k.dispatchEvent(c)},h.onerror=function(b){(g.debug||a.debugAll)&&console.debug("ReconnectingWebSocket","onerror",g.url,b),k.dispatchEvent(l("error"))}},1==this.automaticOpen&&this.open(!1),this.send=function(b){if(h)return(g.debug||a.debugAll)&&console.debug("ReconnectingWebSocket","send",g.url,b),h.send(b);throw"INVALID_STATE_ERR : Pausing to reconnect websocket"},this.close=function(a,b){"undefined"==typeof a&&(a=1e3),i=!0,h&&h.close(a,b)},this.refresh=function(){h&&h.close()}}return a.prototype.onopen=function(){},a.prototype.onclose=function(){},a.prototype.onconnecting=function(){},a.prototype.onmessage=function(){},a.prototype.onerror=function(){},a.debugAll=!1,a.CONNECTING=WebSocket.CONNECTING,a.OPEN=WebSocket.OPEN,a.CLOSING=WebSocket.CLOSING,a.CLOSED=WebSocket.CLOSED,a});

djangocms_blog/liveblog/templates/liveblog/includes/post_detail.html

@@ -0,0 +1,11 @@
+{% load cms_tags sekizai_tags %}
+{% add_data "js-script" "liveblog/js/reconnecting-websocket.min.js" %}
+{% add_data "js-script" "liveblog/js/liveblog.js" %}
+<script>
+    var liveblog_apphook = '{{ post.app_config.namespace }}';
+    var liveblog_language = '{{ post.get_current_language }}';
+    var liveblog_post = '{{ post.slug }}';
+</script>
+<div class="blog-content--live" id="liveblog-posts">
+    {% render_placeholder post.liveblog %}
+</div>

djangocms_blog/liveblog/templates/liveblog/plugins/liveblog.html

@@ -0,0 +1,4 @@
+<div class="post" data-post-id="{{ instance.id }}">
+    <h2>{{ instance.title }}{{ instance.creation_date|date:"D d M Y H:i" }}</h2>
+    {{ instance.content|safe }}
+</div>

djangocms_blog/migrations/0016_post_liveblog.py

@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import cms.models.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('cms', '0013_urlconfrevision'),
+        ('djangocms_blog', '0015_auto_20160408_1849'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='post',
+            name='liveblog',
+            field=cms.models.fields.PlaceholderField(related_name='live_blog', slotname='live_blog', editable=False, to='cms.Placeholder', null=True),
+        ),
+    ]

djangocms_blog/models.py

@@ -163,6 +163,7 @@ class Post(KnockerModel, ModelMeta, TranslatableModel):
         meta={'unique_together': (('language_code', 'slug'),)}
     )
     content = PlaceholderField('post_content', related_name='post_content')
+    liveblog = PlaceholderField('live_blog', related_name='live_blog')
 
     objects = GenericDateTaggedManager()
     tags = TaggableManager(blank=True, related_name='djangocms_blog_tags')
@@ -350,6 +351,14 @@ class Post(KnockerModel, ModelMeta, TranslatableModel):
     def get_cache_key(self, language, prefix):
         return 'djangocms-blog:{2}:{0}:{1}'.format(language, self.guid, prefix)
 
+    @property
+    def liveblog_group(self):
+        return 'liveblog/{apphook}/{lang}/{post}'.format(
+            lang=self.get_current_language(),
+            apphook=self.app_config.namespace,
+            post=self.safe_translation_getter('slug', any_language=True)
+        )
+
 
 class BasePostPlugin(CMSPlugin):
     app_config = AppHookConfigField(

djangocms_blog/settings.py

@@ -129,6 +129,8 @@ def get_setting(name):
             settings, 'BLOG_FEED_LATEST_ITEMS', 10),
         'BLOG_FEED_TAGS_ITEMS': getattr(
             settings, 'BLOG_FEED_TAGS_ITEMS', 10),
+        'BLOG_LIVEBLOG_PLUGINS': getattr(
+            settings, 'BLOG_LIVEBLOG_PLUGINS', ('LiveblogPlugin',)),
 
     }
     return default['BLOG_%s' % name]

djangocms_blog/south_migrations/0018_auto__add_field_post_liveblog.py

@@ -0,0 +1,222 @@
+# -*- coding: utf-8 -*-
+from south.utils import datetime_utils as datetime
+from south.db import db
+from south.v2 import SchemaMigration
+from django.db import models
+
+
+class Migration(SchemaMigration):
+
+    def forwards(self, orm):
+        # Adding field 'Post.liveblog'
+        db.add_column('djangocms_blog_post', 'liveblog',
+                      self.gf('django.db.models.fields.related.ForeignKey')(to=orm['cms.Placeholder'], null=True, related_name='live_blog'),
+                      keep_default=False)
+
+
+    def backwards(self, orm):
+        # Deleting field 'Post.liveblog'
+        db.delete_column('djangocms_blog_post', 'liveblog_id')
+
+
+    models = {
+        'auth.group': {
+            'Meta': {'object_name': 'Group'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
+            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'blank': 'True', 'symmetrical': 'False'})
+        },
+        'auth.permission': {
+            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
+            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
+        },
+        'auth.user': {
+            'Meta': {'object_name': 'User'},
+            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'email': ('django.db.models.fields.EmailField', [], {'blank': 'True', 'max_length': '75'}),
+            'first_name': ('django.db.models.fields.CharField', [], {'blank': 'True', 'max_length': '30'}),
+            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'blank': 'True', 'related_name': "'user_set'", 'symmetrical': 'False'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'last_name': ('django.db.models.fields.CharField', [], {'blank': 'True', 'max_length': '30'}),
+            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
+            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'blank': 'True', 'related_name': "'user_set'", 'symmetrical': 'False'}),
+            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
+        },
+        'cms.cmsplugin': {
+            'Meta': {'object_name': 'CMSPlugin'},
+            'changed_date': ('django.db.models.fields.DateTimeField', [], {'blank': 'True', 'auto_now': 'True'}),
+            'creation_date': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
+            'depth': ('django.db.models.fields.PositiveIntegerField', [], {}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'language': ('django.db.models.fields.CharField', [], {'max_length': '15', 'db_index': 'True'}),
+            'numchild': ('django.db.models.fields.PositiveIntegerField', [], {'default': '0'}),
+            'parent': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'to': "orm['cms.CMSPlugin']", 'null': 'True'}),
+            'path': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '255'}),
+            'placeholder': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['cms.Placeholder']", 'null': 'True'}),
+            'plugin_type': ('django.db.models.fields.CharField', [], {'max_length': '50', 'db_index': 'True'}),
+            'position': ('django.db.models.fields.PositiveSmallIntegerField', [], {'blank': 'True', 'null': 'True'})
+        },
+        'cms.placeholder': {
+            'Meta': {'object_name': 'Placeholder'},
+            'default_width': ('django.db.models.fields.PositiveSmallIntegerField', [], {'null': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'slot': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'})
+        },
+        'cmsplugin_filer_image.thumbnailoption': {
+            'Meta': {'ordering': "('width', 'height')", 'object_name': 'ThumbnailOption'},
+            'crop': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'height': ('django.db.models.fields.IntegerField', [], {}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'upscale': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'width': ('django.db.models.fields.IntegerField', [], {})
+        },
+        'contenttypes.contenttype': {
+            'Meta': {'db_table': "'django_content_type'", 'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType'},
+            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
+        },
+        'djangocms_blog.authorentriesplugin': {
+            'Meta': {'object_name': 'AuthorEntriesPlugin'},
+            'app_config': ('aldryn_apphooks_config.fields.AppHookConfigField', [], {'blank': 'True', 'to': "orm['djangocms_blog.BlogConfig']", 'null': 'True'}),
+            'authors': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.User']", 'symmetrical': 'False'}),
+            'cmsplugin_ptr': ('django.db.models.fields.related.OneToOneField', [], {'to': "orm['cms.CMSPlugin']", 'primary_key': 'True', 'unique': 'True'}),
+            'latest_posts': ('django.db.models.fields.IntegerField', [], {'default': '5'})
+        },
+        'djangocms_blog.blogcategory': {
+            'Meta': {'object_name': 'BlogCategory'},
+            'app_config': ('aldryn_apphooks_config.fields.AppHookConfigField', [], {'to': "orm['djangocms_blog.BlogConfig']", 'null': 'True'}),
+            'date_created': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'date_modified': ('django.db.models.fields.DateTimeField', [], {'blank': 'True', 'auto_now': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'parent': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'to': "orm['djangocms_blog.BlogCategory']", 'null': 'True'})
+        },
+        'djangocms_blog.blogcategorytranslation': {
+            'Meta': {'db_table': "'djangocms_blog_blogcategory_translation'", 'unique_together': "[('language_code', 'slug'), ('language_code', 'master')]", 'object_name': 'BlogCategoryTranslation'},
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'language_code': ('django.db.models.fields.CharField', [], {'max_length': '15', 'db_index': 'True'}),
+            'master': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['djangocms_blog.BlogCategory']", 'null': 'True', 'related_name': "'translations'"}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'slug': ('django.db.models.fields.SlugField', [], {'blank': 'True', 'max_length': '50'})
+        },
+        'djangocms_blog.blogconfig': {
+            'Meta': {'object_name': 'BlogConfig'},
+            'app_data': ('app_data.fields.AppDataField', [], {'default': "'{}'"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'namespace': ('django.db.models.fields.CharField', [], {'unique': 'True', 'default': 'None', 'max_length': '100'}),
+            'type': ('django.db.models.fields.CharField', [], {'max_length': '100'})
+        },
+        'djangocms_blog.blogconfigtranslation': {
+            'Meta': {'db_table': "'djangocms_blog_blogconfig_translation'", 'unique_together': "[('language_code', 'master')]", 'object_name': 'BlogConfigTranslation'},
+            'app_title': ('django.db.models.fields.CharField', [], {'max_length': '234'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'language_code': ('django.db.models.fields.CharField', [], {'max_length': '15', 'db_index': 'True'}),
+            'master': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['djangocms_blog.BlogConfig']", 'null': 'True', 'related_name': "'translations'"}),
+            'object_name': ('django.db.models.fields.CharField', [], {'default': "'Article'", 'max_length': '234'})
+        },
+        'djangocms_blog.genericblogplugin': {
+            'Meta': {'object_name': 'GenericBlogPlugin'},
+            'app_config': ('aldryn_apphooks_config.fields.AppHookConfigField', [], {'blank': 'True', 'to': "orm['djangocms_blog.BlogConfig']", 'null': 'True'}),
+            'cmsplugin_ptr': ('django.db.models.fields.related.OneToOneField', [], {'to': "orm['cms.CMSPlugin']", 'primary_key': 'True', 'unique': 'True'})
+        },
+        'djangocms_blog.latestpostsplugin': {
+            'Meta': {'object_name': 'LatestPostsPlugin'},
+            'app_config': ('aldryn_apphooks_config.fields.AppHookConfigField', [], {'blank': 'True', 'to': "orm['djangocms_blog.BlogConfig']", 'null': 'True'}),
+            'categories': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['djangocms_blog.BlogCategory']", 'blank': 'True', 'symmetrical': 'False'}),
+            'cmsplugin_ptr': ('django.db.models.fields.related.OneToOneField', [], {'to': "orm['cms.CMSPlugin']", 'primary_key': 'True', 'unique': 'True'}),
+            'latest_posts': ('django.db.models.fields.IntegerField', [], {'default': '5'})
+        },
+        'djangocms_blog.post': {
+            'Meta': {'ordering': "('-date_published', '-date_created')", 'object_name': 'Post'},
+            'app_config': ('aldryn_apphooks_config.fields.AppHookConfigField', [], {'to': "orm['djangocms_blog.BlogConfig']", 'null': 'True'}),
+            'author': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'to': "orm['auth.User']", 'null': 'True', 'related_name': "'djangocms_blog_post_author'"}),
+            'categories': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['djangocms_blog.BlogCategory']", 'blank': 'True', 'related_name': "'blog_posts'", 'symmetrical': 'False'}),
+            'content': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['cms.Placeholder']", 'null': 'True', 'related_name': "'post_content'"}),
+            'date_created': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'date_modified': ('django.db.models.fields.DateTimeField', [], {'blank': 'True', 'auto_now': 'True'}),
+            'date_published': ('django.db.models.fields.DateTimeField', [], {'blank': 'True', 'null': 'True'}),
+            'date_published_end': ('django.db.models.fields.DateTimeField', [], {'blank': 'True', 'null': 'True'}),
+            'enable_comments': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'liveblog': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['cms.Placeholder']", 'null': 'True', 'related_name': "'live_blog'"}),
+            'main_image': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'to': "orm['filer.Image']", 'on_delete': 'models.SET_NULL', 'null': 'True', 'related_name': "'djangocms_blog_post_image'"}),
+            'main_image_full': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'to': "orm['cmsplugin_filer_image.ThumbnailOption']", 'on_delete': 'models.SET_NULL', 'null': 'True', 'related_name': "'djangocms_blog_post_full'"}),
+            'main_image_thumbnail': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'to': "orm['cmsplugin_filer_image.ThumbnailOption']", 'on_delete': 'models.SET_NULL', 'null': 'True', 'related_name': "'djangocms_blog_post_thumbnail'"}),
+            'publish': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'sites': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['sites.Site']", 'blank': 'True', 'symmetrical': 'False'})
+        },
+        'djangocms_blog.posttranslation': {
+            'Meta': {'db_table': "'djangocms_blog_post_translation'", 'unique_together': "[('language_code', 'slug'), ('language_code', 'master')]", 'object_name': 'PostTranslation'},
+            'abstract': ('djangocms_text_ckeditor.fields.HTMLField', [], {'blank': 'True', 'default': "''"}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'language_code': ('django.db.models.fields.CharField', [], {'max_length': '15', 'db_index': 'True'}),
+            'master': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['djangocms_blog.Post']", 'null': 'True', 'related_name': "'translations'"}),
+            'meta_description': ('django.db.models.fields.TextField', [], {'blank': 'True', 'default': "''"}),
+            'meta_keywords': ('django.db.models.fields.TextField', [], {'blank': 'True', 'default': "''"}),
+            'meta_title': ('django.db.models.fields.CharField', [], {'blank': 'True', 'default': "''", 'max_length': '255'}),
+            'post_text': ('djangocms_text_ckeditor.fields.HTMLField', [], {'blank': 'True', 'default': "''"}),
+            'slug': ('django.db.models.fields.SlugField', [], {'blank': 'True', 'max_length': '50'}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '255'})
+        },
+        'filer.file': {
+            'Meta': {'object_name': 'File'},
+            '_file_size': ('django.db.models.fields.IntegerField', [], {'blank': 'True', 'null': 'True'}),
+            'description': ('django.db.models.fields.TextField', [], {'blank': 'True', 'null': 'True'}),
+            'file': ('django.db.models.fields.files.FileField', [], {'blank': 'True', 'null': 'True', 'max_length': '255'}),
+            'folder': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'to': "orm['filer.Folder']", 'null': 'True', 'related_name': "'all_files'"}),
+            'has_all_mandatory_data': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'is_public': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
+            'modified_at': ('django.db.models.fields.DateTimeField', [], {'blank': 'True', 'auto_now': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'blank': 'True', 'default': "''", 'max_length': '255'}),
+            'original_filename': ('django.db.models.fields.CharField', [], {'blank': 'True', 'null': 'True', 'max_length': '255'}),
+            'owner': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'to': "orm['auth.User']", 'null': 'True', 'related_name': "'owned_files'"}),
+            'polymorphic_ctype': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']", 'null': 'True', 'related_name': "'polymorphic_filer.file_set+'"}),
+            'sha1': ('django.db.models.fields.CharField', [], {'blank': 'True', 'default': "''", 'max_length': '40'}),
+            'uploaded_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'})
+        },
+        'filer.folder': {
+            'Meta': {'ordering': "('name',)", 'unique_together': "(('parent', 'name'),)", 'object_name': 'Folder'},
+            'created_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'level': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
+            'lft': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
+            'modified_at': ('django.db.models.fields.DateTimeField', [], {'blank': 'True', 'auto_now': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'owner': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'to': "orm['auth.User']", 'null': 'True', 'related_name': "'filer_owned_folders'"}),
+            'parent': ('django.db.models.fields.related.ForeignKey', [], {'blank': 'True', 'to': "orm['filer.Folder']", 'null': 'True', 'related_name': "'children'"}),
+            'rght': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
+            'tree_id': ('django.db.models.fields.PositiveIntegerField', [], {'db_index': 'True'}),
+            'uploaded_at': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'})
+        },
+        'filer.image': {
+            'Meta': {'object_name': 'Image'},
+            '_height': ('django.db.models.fields.IntegerField', [], {'blank': 'True', 'null': 'True'}),
+            '_width': ('django.db.models.fields.IntegerField', [], {'blank': 'True', 'null': 'True'}),
+            'author': ('django.db.models.fields.CharField', [], {'blank': 'True', 'null': 'True', 'max_length': '255'}),
+            'date_taken': ('django.db.models.fields.DateTimeField', [], {'blank': 'True', 'null': 'True'}),
+            'default_alt_text': ('django.db.models.fields.CharField', [], {'blank': 'True', 'null': 'True', 'max_length': '255'}),
+            'default_caption': ('django.db.models.fields.CharField', [], {'blank': 'True', 'null': 'True', 'max_length': '255'}),
+            'file_ptr': ('django.db.models.fields.related.OneToOneField', [], {'to': "orm['filer.File']", 'primary_key': 'True', 'unique': 'True'}),
+            'must_always_publish_author_credit': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'must_always_publish_copyright': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
+            'subject_location': ('django.db.models.fields.CharField', [], {'blank': 'True', 'null': 'True', 'default': 'None', 'max_length': '64'})
+        },
+        'sites.site': {
+            'Meta': {'db_table': "'django_site'", 'ordering': "('domain',)", 'object_name': 'Site'},
+            'domain': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
+        }
+    }
+
+    complete_apps = ['djangocms_blog']

djangocms_blog/views.py

@@ -51,6 +51,12 @@ class BaseBlogView(AppConfigMixin, ViewUrlMixin):
         template_path = (self.config and self.config.template_prefix) or 'djangocms_blog'
         return os.path.join(template_path, self.base_template_name)
 
+    def liveblog_enabled(self):
+        try:
+            from django.apps import apps
+            return apps.is_installed('djangocms_blog.liveblog')
+        except ImportError:
+            return False
 
 class BaseBlogListView(BaseBlogView):
     context_object_name = 'post_list'