Kann den Standardcache Django nicht definieren

Question

Ich versuche, das Zwischenspeichern in Django einzurichten, aber es lässt mich keinen Standardcache definieren. Ich bin nicht allzu besorgt mit, welche Art von Cache verwende ich

Aber auch beim Kopieren + Einfügen ihres Beispielcode der Fehler-Checker sagt mir (ich habe versucht, Filesystem und Database Cache.):

?: (caches.E001) You must define a 'default' cache in your CACHES setting. 

Ich habe auch versucht, die CACHES-Einstellung am Ende der Datei settings.py zu setzen, um sicherzustellen, dass alles, von dem die CACHES-Einstellung abhängt, initialisiert wird.

Mein Code ist wie folgt:

CACHES = { 
    'default': { 
     'BACKEND': 'django.core.cache.backends.filebased.FileBasedCache', 
     'LOCATION': '/var/tmp/django_cache', 
    } 
} 

Die vollständige Fehlermeldung lautet:

Unhandled exception in thread started by <function check_errors. 

<locals>.wrapper at 0x0436A300> 
Traceback (most recent call last): 
    File "C:\Users\Kasper\Documents\kasperfred-blog\kasperfred-blog\lib\site-packages\django\utils\autoreload.py", line 226, in wrapper 
    fn(*args, **kwargs) 
    File "C:\Users\Kasper\Documents\kasperfred-blog\kasperfred-blog\lib\site-packages\django\core\management\commands\runserver.py", line 116, in inner_run 
    self.check(display_num_errors=True) 
    File "C:\Users\Kasper\Documents\kasperfred-blog\kasperfred-blog\lib\site-packages\django\core\management\base.py", line 472, in check 
    raise SystemCheckError(msg) 
django.core.management.base.SystemCheckError: SystemCheckError: System check identified some issues: 

ERRORS: 
?: (caches.E001) You must define a 'default' cache in your CACHES setting. 

Die meisten der Einstellungsdatei (geheimen Schlüssel herausgeschnitten)

import os 

# Build paths inside the project like this: os.path.join(BASE_DIR, ...) 
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__))) 


# Quick-start development settings - unsuitable for production 
# See https://docs.djangoproject.com/en/1.9/howto/deployment/checklist/ 

# SECURITY WARNING: keep the secret key used in production secret! 
SECRET_KEY = 'Sorry' 

# SECURITY WARNING: don't run with debug turned on in production! 
DEBUG = True 

ALLOWED_HOSTS = [] 


# Application definition 

INSTALLED_APPS = [ 
    'django.contrib.admin', 
    'django.contrib.auth', 
    'django.contrib.contenttypes', 
    'django.contrib.sessions', 
    'django.contrib.messages', 
    'django.contrib.staticfiles', 

    'posts', 

    # Third party 
    'trumbowyg', 
    'crispy_forms', 
    'taggit', 
    'imagefit', 
] 

CRISPY_TEMPLATE_PACK = 'bootstrap3' 
TAGGIT_CASE_INSENSITIVE = True 

# Image fit settings 
IMAGEFIT_ROOT = "public" 
IMAGEFIT_PRESETS = { 
    'card_small': {'width': 64, 'height': 64, 'crop': True}, 
    'my_preset1': {'width': 300, 'height': 220}, 
    'my_preset2': {'width': 100}, 
} 

MIDDLEWARE_CLASSES = [ 
    'django.middleware.security.SecurityMiddleware', 
    'django.contrib.sessions.middleware.SessionMiddleware', 
    'django.middleware.common.CommonMiddleware', 
    'django.middleware.csrf.CsrfViewMiddleware', 
    'django.contrib.auth.middleware.AuthenticationMiddleware', 
    'django.contrib.auth.middleware.SessionAuthenticationMiddleware', 
    'django.contrib.messages.middleware.MessageMiddleware', 
    'django.middleware.clickjacking.XFrameOptionsMiddleware', 
] 

ROOT_URLCONF = 'kasperfred_blog.urls' 

TEMPLATES = [ 
    { 
     'BACKEND': 'django.template.backends.django.DjangoTemplates', 
     'DIRS': [os.path.join(BASE_DIR, 'templates')], 
     'APP_DIRS': True, 
     'OPTIONS': { 
      'context_processors': [ 
       'django.template.context_processors.debug', 
       'django.template.context_processors.request', 
       'django.contrib.auth.context_processors.auth', 
       'django.contrib.messages.context_processors.messages', 
      ], 
     }, 
    }, 
] 

WSGI_APPLICATION = 'kasperfred_blog.wsgi.application' 


# Database 
# https://docs.djangoproject.com/en/1.9/ref/settings/#databases 

DATABASES = { 
    'default': { 
     'ENGINE': 'django.db.backends.sqlite3', 
     'NAME': os.path.join(BASE_DIR, 'db.sqlite3'), 
    } 
} 

# Password validation 
# https://docs.djangoproject.com/en/1.9/ref/settings/#auth-password-validators 

AUTH_PASSWORD_VALIDATORS = [ 
    { 
     'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator', 
    }, 
    { 
     'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator', 
    }, 
    { 
     'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator', 
    }, 
    { 
     'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator', 
    }, 
] 


# Internationalization 
# https://docs.djangoproject.com/en/1.9/topics/i18n/ 

LANGUAGE_CODE = 'en-us' 

TIME_ZONE = 'UTC' 

USE_I18N = True 

USE_L10N = True 

USE_TZ = True 


# Static files (CSS, JavaScript, Images) 
# https://docs.djangoproject.com/en/1.9/howto/static-files/ 

STATIC_URL = '/static/' 
MEDIA_URL = "/media/" 

STATICFILES_DIRS = [ 
    os.path.join(BASE_DIR, "static"), 
    #'/var/www/static/', 
] 

STATIC_ROOT = os.path.join(os.path.dirname(BASE_DIR), "static_cdn") 
MEDIA_ROOT = os.path.join(os.path.dirname(BASE_DIR), "media_cdn") 

# Cache 
CACHES = { 
    'default': { 
     'BACKEND': 'django.core.cache.backends.filebased.FileBasedCache', 
     'LOCATION': '/var/tmp/django_cache', 
    } 

} 

Answer 1

Dieses Problem wird verursacht durch imagefit, die die CACHES Einstellung überschreibt, wenn es l ist oaded:

settings.CACHES = { 
    IMAGEFIT_CACHE_BACKEND_NAME: { 
     'BACKEND': 'django.core.cache.backends.filebased.FileBasedCache', 
     'LOCATION': os.path.join(tempfile.gettempdir(), 'django_imagefit') 
    } 
} 

Offenbar war die Frage recently fixed - so sollte es funktionieren, wenn Sie die neueste Version bekommen.

Ich kann nicht aus dem Github-Repository ersehen, ob nach dieser Änderung ein neues Release auf PyPi veröffentlicht wurde.