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django-ok-seo allows you to add meta tags and OpenGraph properties to your HTML responses.

Project description

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This app allows you to add meta tags and OpenGraph properties to your HTML responses.

Installation

Install with pip:

$ pip install django-ok-seo

Update INSTALLED_APPS:

INSTALLED_APPS = [
    ...
    'seo',
    'modeltranslation',  # optional
    'django_jinja',  # optional for jinja2 global function
    ...
]

Make migrations

$ python manage.py migrate

If you want to make seo models translatable, you need to install django-modeltranslation package. After that run:

$ python manage.py makemigrations
$ python manage.py migrate

to create new fields in seo models for each language.

Features

There are two options of usage:

  1. UrlSeo - a model to fetch seo data by an url.
  2. ViewSeo and ModelInstanceSeo - models to attach seo data for specific views (using choices) and objects (using “generic” relationships).

Available settings

SEO_USE_URL_SEO - Flag to use (display in an admin interface) only UrlSeo model. False by default.

SEO_USE_URL_FULL_PATH - Flag to use a whole path, plus an appended query string, to search UrlSeo isntances. False by default.

SEO_VIEWS_CHOICES - Tuple of tuples for using with ViewSeo. The first value is the value to use in a code and a second is a verbose (translated) value.

For example:

SEO_VIEWS_CHOICES = (
    ('index', 'Index'),
    ('faq', 'Faq'),
)

SEO_MODELS - List of models names to limit content type choices for ‘ModelInstanceSeo’.

For example (use lowercase):

SEO_MODELS = [
    'article.article',
    'auth.user'
]

SEO_DEFAULT_IMAGE - Path to default image, which will be used for ‘og:image’ property.

SEO_IMAGE_WIDTH - Value of width for image. 1200 by default.

SEO_IMAGE_HEIGHT - Value of height for image. 630 by default.

SEO_IMAGE_EXTENSIONS - List of allowed image extensions for ImageField in seo model.

SEO_IMAGE_STORAGE - Custom file storage for ImageField in seo model. ‘django.core.files.storage.FileSystemStorage’ by default.

SEO_OBJECT_IMAGE_FIELD - A name of field to get image from an object. ‘image’ by default.

By default:

['jpg', 'jpeg', 'png']

SEO_OG_TYPES - Tuple of tuples of open graph object types.

By default:

DEFAULT_OBJECT_TYPES = (
    ('website', pgettext_lazy('OG types', 'Website')),
    ('article', pgettext_lazy('OG types', 'Article'))
)

SEO_TWITTER_TYPES - Tuple of tuples of twitter card types.

By default:

DEFAULT_TWITTER_TYPES = (
    ('summary', pgettext_lazy('Twitter card types', 'Summary Card')),
    ('summary_large_image', pgettext_lazy('Twitter card types', 'Summary Card with Large Image')),
    ('player', pgettext_lazy('Twitter card types', 'Player')),
    ('app', pgettext_lazy('Twitter card types', 'App')),
)

SEO_FB_APP_ID - Common Facebook application id. Also, You can set custom id in facebook_app_id field for each seo instance.

SEO_HTML_ADMIN_WIDGET - Dictionary with default widget for top_text and bottom_text text fields in django admin interface.

SEO_DEBUG_MODE - Sets debug mode. If True adds <meta name=”robots” content=”noindex,nofollow”> to all pages.

SEO_URL_SEO_SITEMAP_PRIORITY - UrlSeo sitemap priority. 1 by default.

SEO_URL_SEO_SITEMAP_CHANGEFREQ - UrlSeo sitemap changefreq. always by default.

SEO_VIEWS_CONTEXT_NAME - name of context variable for mixins for class based views. seo by default.

For example:

SEO_HTML_ADMIN_WIDGET = {
    'widget': 'TinyMCE',
    'widget_path': 'tinymce.widgets'
}

Basic example to use:

Admin inline (for ModelInstanceSeo):

# admin.py

from django.contrib import admin

from seo.admin import ModelInstanceSeoInline

from apps.article.models import Article

@admin.register(Article)
class ArticleAdmin(admin.ModelAdmin):
    inlines = [ModelInstanceSeoInline]

Views (examples for all models):

# views.py

from django.views.generic import DetailView, TemplateView

from seo.mixins.views import (
    ViewSeoMixin,
    ModelInstanceViewSeoMixin,
    UrlSeoMixin
)

from apps.article.models import Article


class IndexView(ViewSeoMixin, TemplateView):
    seo_view = 'index'
    template_name = 'index.html'


class IndexViewJinja(ViewSeoMixin, TemplateView):
    seo_view = 'index'
    template_name = 'jinja/index.jinja'


class ArticleDetailView(ModelInstanceViewSeoMixin, DetailView):
    template_name = 'article.html'
    model = Article
    pk_url_kwarg = 'id'


class ArticleDetailViewJinja(ModelInstanceViewSeoMixin, DetailView):
    template_name = 'jinja/article.jinja'
    model = Article
    pk_url_kwarg = 'id'


class IndexUrlSeoView(UrlSeoMixin, TemplateView):
    template_name = 'index.html'


class ArticleUrlSeoDetailView(UrlSeoMixin, DetailView):
    template_name = 'article.html'
    model = Article
    pk_url_kwarg = 'id'

Context processor (for UrlSeo):

# ...
'seo.context_processors.seo',

Middleware (for UrlSeo) to use from request variable in tepmlates:

MIDDLEWARE = [
    ...

    # seo
    'seo.middleware.url_seo_middleware'
]

In templates:

{% load seo %}
<head>
    <meta charset="UTF-8">
    {% get_seo_data request.seo %}
</head>

Your templates:

*.html

{% load seo %}
<head>
    <meta charset="UTF-8">
    {% get_seo_data seo %}
</head>

<!-- Optional: -->
...
<h1>{{ seo.h1 }}</h1>
...
<div id='seo_text'>
    {{ seo.seo_text|safe }}
</div>

*.jinja

<head>
    <meta charset="UTF-8">
    {{ get_jinja_seo_data(seo) }}
</head>
...
<!-- Optional: -->
...
<h1>{{ seo.h1 }}</h1>
...
<div id='seo_text'>
    {{ seo.seo_text|safe }}
</div>

Inheritance

You can inherit your models from SeoTagsMixin and override necessary methods to set custom seo data for your objects.

from django.db import models

from seo.mixins.models import SeoTagsMixin


class Article(SeoTagsMixin, models.Model):
    preview = models.ImageField()
    short_description = models.TextField(max_length=1000)
    ...

    def get_meta_description(self) -> str:
        """
        Return meta description
        """
        return self.short_description

    def get_meta_image_field(self):
        """
        Return image field instance to get image url
        """
        return self.preview

And in a template for your DetailView, you can use:

<head>
    <meta charset="UTF-8">
    {% get_seo_data object %}
</head>

where object is your default context_object_name.

Also, you can use this way with ModelInstanceViewSeoMixin to still use ModelInstanceSeo, but get some data from a content object. To reach this goal, you need to override next methods:

def get_meta_title(self) -> str:
    """
    Return meta title
    """
    return _('{} < Some super title').format(str(self))

def get_meta_description(self) -> str:
    """
    Return meta description
    """
    return _(
        '{} ➤ Wow! '
        '✔ Amazing! '
        '❖ Marvelous!'
    ).format(str(self))

def get_h1_title(self) -> str:
    """
    Return  h1 title
    """
    return str(self)

If you want to get an image from the content object, you may left the image field empty in ModelInstanceSeo instance. If your image field has some specific name, you need to define a property with a name image.

Sitemap

# sitemaps.py

from seo.sitemaps import UrlSeoSitemap

...

sitemaps = {
    'pages': UrlSeoSitemap
}


# urls.py

...
from django.contrib.sitemaps import views as sitemap_views
...

from somewhere.sitemaps import sitemaps


urlpatterns = [
    url(r'^sitemap\.xml$', sitemap_views.index, {'sitemaps': sitemaps}, name='sitemap'),
    url(r'^sitemap-(?P<section>\w+)\.xml$', sitemap_views.sitemap, {'sitemaps': sitemaps},
        name='django.contrib.sitemaps.views.sitemap'),
]

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