我希望在我的基于 Jinja2 的 Python 项目中为 Google App 引擎压缩 JS 和 CSS。我已经安装了 django-pipeline,并将其添加到我的项目路径中。
有些文档对我来说不是很清楚。特别是 Jinja2 的用法。
对于 Django 模板,在 base.html示例中,插入:
{% load compressed %}
{% compressed_css 'colors' %}
{% compressed_js 'stats' %}
我假设 Jina2 的等价物类似于
{{ compressed_css("main") }}
{{ compressed_js("main") }}
但这给出了 UndefinedError: 'compressed_css' is undefined
我的问题是 如何在 Jinja2 中加载“压缩”模板?这与 Django 不同,我找不到示例。
文档还说
为了使用 Django Compressor 的 Jinja2 扩展,我们需要将compressor.contrib.jinja2ext.CompressorExtension 传递到环境中:
我已经做到了。
import jinja2
from compressor.contrib.jinja2ext import CompressorExtension
env = jinja2.Environment(extensions=[CompressorExtension])
文档还指出
“与 Django 模板标签实现不同,Jinja2 实现使用不同的模板,所以如果你想覆盖它们,请覆盖 pipeline/css.jinja 和 pipeline/js.jinja。”
我不确定我是否需要在这里做任何事情。
我的 settings.py 包含以下语句:
TEMPLATE_LOADERS = (
'django.template.loaders.filesystem.Loader',
'django.template.loaders.app_directories.Loader',
# 'django.template.loaders.eggs.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',
# Uncomment the next line for simple clickjacking protection:
# 'django.middleware.clickjacking.XFrameOptionsMiddleware',
)
ROOT_URLCONF = '{{ project_name }}.urls'
# Python dotted path to the WSGI application used by Django's runserver.
WSGI_APPLICATION = '{{ project_name }}.wsgi.application'
TEMPLATE_DIRS = (
os.path.join(PROJECT_PATH, "templates"),
os.path.join(PROJECT_PATH, "templates/includes")
)
INSTALLED_APPS = (
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.sites',
'django.contrib.messages',
'django.contrib.staticfiles',
'rest_framework_swagger',
'django_jinja.contrib._pipeline',
# Uncomment the next line to enable the admin:
# 'django.contrib.admin',
# Uncomment the next line to enable admin documentation:
# 'django.contrib.admindocs',
)
SESSION_SERIALIZER = 'django.contrib.sessions.serializers.JSONSerializer'
LOGGING = {
'version': 1,
'disable_existing_loggers': False,
'filters': {
'require_debug_false': {
'()': 'django.utils.log.RequireDebugFalse'
}
},
'handlers': {
'mail_admins': {
'level': 'ERROR',
'filters': ['require_debug_false'],
'class': 'django.utils.log.AdminEmailHandler'
}
},
'loggers': {
'django.request': {
'handlers': ['mail_admins'],
'level': 'ERROR',
'propagate': True,
},
}
}
STATICFILES_STORAGE = 'pipeline.storage.PipelineCachedStorage'
STATICFILES_FINDERS = (
'django.contrib.staticfiles.finders.FileSystemFinder',
'django.contrib.staticfiles.finders.AppDirectoriesFinder',
'pipeline.finders.PipelineFinder'
)
PIPELINE_ENABLE = True
PIPELINE_JS_COMPRESSOR = 'pipeline.compressors.closure.ClosureCompressor'
PIPELINE_CLOSURE_BINARY = 'C:\bunjilsrc\tools\minify\minify.bat'
PIPELINE_DISABLE_WRAPPER = True
PIPELINE_ENABLE_GAE_SUPPORT = True
STATIC_ROOT = 'static/'
STATIC_URL = '/static/'
MEDIA_ROOT = 'uploads/'
MEDIA_URL = "/media/"
PIPELINE_JS = {
'main': {
'source_filenames': (
'js/site.js '
),
'output_filename': 'js/main.js'
},
'vendor': {
'source_filenames': (
'js/vendor/jquery.js',
),
'output_filename': 'js/vendor.js'
}
}
PIPELINE_CSS = {
'main': {
'source_filenames': (
'bootstrap.css',
'site.css'
),
'output_filename': 'css/main.css'
}
}