我正在尝试为我的 Hook 应用程序获取 django cms 的插件上下文处理器。我遵循文档 http://docs.django-cms.org/en/2.1.3/extending_cms/custom_plugins.html#plugin-context-processors ，但由于某种原因它不起作用。这是我的示例上下文处理器:
def test_context_processor(instance, placeholder):
print instance
return {'testkey':'testvalue'}
和我的模板:
{% load cms_tags %}
<!doctype html>
<head>
<title></title>
{% plugins_media %}
</head>
<body>
{% placeholder "main" %}
</body>
</html>
我在主占位符中添加了一个文本插件，并添加了文本 {{testkey}}。它将其呈现为 {{testkey}} 而不是 testvalue。上下文处理器中的打印语句被正确记录 - 这意味着上下文处理器肯定被调用。我不确定我在这里做错了什么。
--- 编辑 ---
我的设置文件:
# -*- coding: utf-8 -*-
import os
gettext = lambda s: s
PROJECT_DIR = os.path.abspath(os.path.dirname(__file__))
DEBUG = True
TEMPLATE_DEBUG = DEBUG
ADMINS = (
# ('Your Name', '<a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="bcc5d3c9cee3d9d1ddd5d0fcd8d3d1ddd5d292dfd3d1" rel="noreferrer noopener nofollow">[email protected]</a>'),
)
MANAGERS = ADMINS
LANGUAGES = [('en', 'en')]
DEFAULT_LANGUAGE = 0
#DATABASES = {
# 'default': {
# 'ENGINE': 'django.db.backends.sqlite3',
# 'NAME': os.path.join(PROJECT_DIR, 'mycms.db'),
# }
#}
DATABASE_ENGINE = 'postgresql_psycopg2' # 'postgresql_psycopg2', 'postgresql', 'mysql', 'sqlite3' or 'oracle'.
DATABASE_NAME = '***' # Or path to database file if using sqlite3.
DATABASE_USER = '***' # Not used with sqlite3.
DATABASE_PASSWORD = '***' # Not used with sqlite3.
DATABASE_HOST = '' # Set to empty string for localhost. Not used with sqlite3.
DATABASE_PORT = '5432' # Set to empty string for default. Not used with sqlite3.
# Local time zone for this installation. Choices can be found here:
# http://en.wikipedia.org/wiki/List_of_tz_zones_by_name
# although not all choices may be available on all operating systems.
# On Unix systems, a value of None will cause Django to use the same
# timezone as the operating system.
# If running in a Windows environment this must be set to the same as your
# system time zone.
TIME_ZONE = 'America/Chicago'
# Language code for this installation. All choices can be found here:
# http://www.i18nguy.com/unicode/language-identifiers.html
LANGUAGE_CODE = 'en-us'
SITE_ID = 1
# If you set this to False, Django will make some optimizations so as not
# to load the internationalization machinery.
USE_I18N = True
# If you set this to False, Django will not format dates, numbers and
# calendars according to the current locale
USE_L10N = True
# Absolute filesystem path to the directory that will hold user-uploaded files.
# Example: "/home/media/media.lawrence.com/"
MEDIA_ROOT = os.path.join(PROJECT_DIR, 'media')
# URL that handles the media served from MEDIA_ROOT. Make sure to use a
# trailing slash if there is a path component (optional in other cases).
# Examples: "http://media.lawrence.com", "http://example.com/media/"
MEDIA_URL = '/media/'
# URL prefix for admin media -- CSS, JavaScript and images. Make sure to use a
# trailing slash.
# Examples: "http://foo.com/media/", "/media/".
ADMIN_MEDIA_PREFIX = '/media/admin/'
# Make this unique, and don't share it with anybody.
SECRET_KEY = '0r6%7gip5tmez*vygfv+u14h@4lbt^8e2^26o#5_f_#b7%cm)u'
# List of callables that know how to import templates from various sources.
TEMPLATE_LOADERS = (
'django.template.loaders.filesystem.Loader',
'django.template.loaders.app_directories.Loader',
)
MIDDLEWARE_CLASSES = (
'django.middleware.common.CommonMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'cms.middleware.page.CurrentPageMiddleware',
'cms.middleware.user.CurrentUserMiddleware',
'cms.middleware.toolbar.ToolbarMiddleware',
'cms.middleware.media.PlaceholderMediaMiddleware',
)
TEMPLATE_CONTEXT_PROCESSORS = (
'django.core.context_processors.auth',
'django.core.context_processors.i18n',
'django.core.context_processors.request',
'django.core.context_processors.media',
'cms.context_processors.media',
)
CMS_PLUGIN_CONTEXT_PROCESSORS = (
'helpdocs.cms_context_processors.test_context_processor',
)
CMS_TEMPLATES = (
('example.html', 'Example Template'),
)
ROOT_URLCONF = 'urls'
TEMPLATE_DIRS = (
os.path.join(PROJECT_DIR, 'templates'),
)
INSTALLED_APPS = (
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.sites',
'django.contrib.messages',
'django.contrib.admin',
'cms',
'menus',
'mptt',
'appmedia',
'south',
'cms.plugins.text',
'cms.plugins.picture',
'cms.plugins.link',
'cms.plugins.file',
'cms.plugins.snippet',
'cms.plugins.googlemap',
'helpdocs',
)
最佳答案
插件上下文处理器用于处理呈现插件模板的上下文。它们不会更改任何数据库字段的内容(在您的例子中，是文本模型上的“body”)。
因此它不会替换文本插件中的任何内容。要执行您想要执行的操作，请查看插件处理器(http://docs.django-cms.org/en/2.1.3/extending_cms/custom_plugins.html#plugin-processors)，它允许您处理插件的渲染输出。
为了实现你想要做的事情，你会做这样的事情:
def my_plugin_processor(instance, placeholder, rendered_content, original_context):
return rendered_content.replace('{{ testkey }}', 'testvalue')
关于django - django-cms 中的插件上下文处理器，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/5189624/