Heroku Django，templatedoesnotexist错误 [英] Heroku Django, templatedoesnotexist error

问题描述

因此，在经过了深夜的工作之后，我终于将我的应用程序部署到了Heroku上，但现在又出现了一个问题，就是不眠之夜，该模板不存在<​​/p>

错误， 我正在使用Django.1.11，因此我的设置如下；

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

我的模板如下所示，从文档中开始，已安装的应用(APP_DIR设置为true)将在应用内查找template文件夹.

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [],
        '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',
            ],
        },
    },
]

最后是我的应用程序结构；

| mysite
|照片
---- |模板
-------- |照片
------------ | index.html

当我加载页面时，我可以从日志中看到；

Using engine django:
django.template.loaders.app_directories.Loader: /app/.heroku/python/lib/python2.7/site-packages/django/contrib/admin/templates/photos/index.html (Source does not exist)
django.template.loaders.app_directories.Loader: /app/.heroku/python/lib/python2.7/site-packages/django/contrib/auth/templates/photos/index.html (Source does not exist)
django.template.loaders.app_directories.Loader: /app/photos/templates/photos/index.html (Source does not exist)

最后一行显示了正确的路径，但是不知何故，我真的不知道为什么，有人可以照亮！

谢谢 吉米

解决方案

如果要显式添加模板文件夹的路径，则可以这样设置:

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [
            os.path.join(BASE_DIR,'photos/templates/photos/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',
            ],
        },
    },
]

So after couple late night works, I finally had my app deployed onto the Heroku, but now a different issue, and sleepless night, the template does not exist

error, I'm using Django.1.11, so my setting is as following;

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

and my TEMPLATES is as following, as from the doc, the installed app, with APP_DIR set to be true, would look for the templates folder within the apps.

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [],
        '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',
            ],
        },
    },
]

And finally my app structure;

|mysite
|photos
----|templates
--------|photos
------------|index.html

when I load the page, I can see from the log;

Using engine django:
django.template.loaders.app_directories.Loader: /app/.heroku/python/lib/python2.7/site-packages/django/contrib/admin/templates/photos/index.html (Source does not exist)
django.template.loaders.app_directories.Loader: /app/.heroku/python/lib/python2.7/site-packages/django/contrib/auth/templates/photos/index.html (Source does not exist)
django.template.loaders.app_directories.Loader: /app/photos/templates/photos/index.html (Source does not exist)

The last line, shows the correct path, but somehow, it cannot be found, I really dont know why, can someone shed some lights !

Thanks Jimmy

解决方案

If you want to add explicitly the path for the template folder, you can set it like this:

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [
            os.path.join(BASE_DIR,'photos/templates/photos/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',
            ],
        },
    },
]

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