Settings

Configuring bleach

You can configure how bleach acts for your whole project using the following settings. These settings map directly to the bleach parameters of the same name, so see the bleach documentation for more information. Each of these have a sensible default set by bleach, and each of these are completely optional:

# Which HTML tags are allowed
BLEACH_ALLOWED_TAGS = ['p', 'b', 'i', 'u', 'em', 'strong', 'a']

# Which HTML attributes are allowed
BLEACH_ALLOWED_ATTRIBUTES = ['href', 'title', 'style']

# Which CSS properties are allowed in 'style' attributes (assuming style is
# an allowed attribute)
BLEACH_ALLOWED_STYLES = [
    'font-family', 'font-weight', 'text-decoration', 'font-variant'
]

# Which protocols (and pseudo-protocols) are allowed in 'src' attributes
# (assuming src is an allowed attribute)
BLEACH_ALLOWED_PROTOCOLS = [
    'http', 'https', 'data'
]

# Strip unknown tags if True, replace with HTML escaped characters if False
BLEACH_STRIP_TAGS = True

# Strip HTML comments, or leave them in.
BLEACH_STRIP_COMMENTS = False

You can override each of these for individual BleachField form and model fields if you need to. Simply pass in one of the following settings you want to override as a named parameter to the BleachField:

  • allowed_tags
  • allowed_attributes
  • allowed_protocols
  • strip_tags
  • strip_comments
  • css_sanitizer

The following argument will be deprecated in the near future:

  • allowed_styles

An example, where blog posts should be allowed to contain images and headings:

# in app/models.py

from django import models
from django_bleach.models import BleachField

class Post(models.Model):

    title = models.CharField()
    content = BleachField(allowed_tags=[
        'p', 'b', 'i', 'u', 'em', 'strong', 'a',
        'img', 'h3', 'h4', 'h5', 'h6'])

Default form widget

By default, a BleachField will use a django.forms.Textarea widget. This is obviously not great for users. You can override this to use a custom widget in your project. You will probably want to use a WYSIWYG editor, or something similar:

BLEACH_DEFAULT_WIDGET = 'wysiwyg.widgets.WysiwygWidget'

I use django-ckeditor in my projects, but what you use is up to you.