Django settings.py变量在模板中 [英] Django settings.py variables in templates

问题描述

我遇到了一个非常奇怪的错误。我的 settings.py 文件中定义了一个应用程序ID：

  CARDSPRING_APP_ID ='################'
  

这个工作几乎在我网站上的每个页面，除了一个。奇怪的是，其他变量可以工作。在页面的脚本部分，我有以下内容：

  alert（cs appid =+ {{CARDSPRING_APP_ID}} + 
sectoken =+ {{securityToken}} + 
timestamp =+ {{timestamp}} + 
哈希=+ {{digestedHash}} + 
 ccnum+ $（'。card-number'）。val（）+ 
exp+ $（'，expiration-month'）。val（）+ $（'，expiration-year'）。 val（）+ 
user =+ {{csid}}）; 
  

当页面呈现时，它评估为

  alert（cs appid =+ + 
sectoken =+ DDFJRMZXD12WVWHFFC ###### + 
timestamp =[phone] + 
hash =+ a929b3aec9179c700c09d ###### + 
ccnum+ $（'。card-number'）。val（）+ 
exp+ $ 。val（）+ $（'。expiration-year'）。val（）+ 
user =+ SG1 ###） 
  

重要的是， {{CARDSPRING_APP_ID}} 被评估为无。有人知道为什么会这样吗？谢谢！

更新

我尝试创建一个 context_processors.py 文件，并确保将其添加到 settings.py 中的相应位置。我仍然没有任何运气 - 它评估在一个页面，但不是在另一个

更新2

使用此命令调用模板：

 返回render_to_response（'howto'+ str （number）+'。html'，locals（），context_instance = RequestContext（request））
  

strong>更新3
将其工作 - 需要将其添加到我的settings.py

  TEMPLATE_CONTEXT_PROCESSORS = global_settings.TEMPLATE_CONTEXT_PROCESSORS +（
myapp.context_processors.cardspring，
）
  

解决方案

创建一个名为 context_processors.py 的文件，并编写以下上下文处理器：

 从django.conf导入设置
 
 def cardspring（request）：
 return {'CARDSPRING_APP_ID'：settings.CARDSPRING_APP_ID} 
  

然后添加 your.locati您的Django设置文件中的on.context_processors.cardspring 至 TEMPLATE_CONTEXT_PROCESSORS ，其中 your.location 是您的 context_processors.py 文件的位置。

I'm encountering a very strange error. I have an app ID defined in my settings.py file like so:

CARDSPRING_APP_ID = '################'

This works on nearly every page in my site, except for one. Strangely enough, other variables work. In a script section on the page, I have the following:

alert("cs appid=" + {{ CARDSPRING_APP_ID }} + 
" sectoken=" + {{ securityToken }} + 
" timestamp= " +{{ timestamp }} + 
" hash = " + {{ digestedHash }} + 
" ccnum " + $('.card-number').val() + 
" exp" + $('.expiration-month').val() + $('.expiration-year').val() + 
" user = " + {{ csid }});

When the page is rendered, it evaluates to this

alert("cs appid=" +  + 
" sectoken=" + DDFJRMZXD12WVWHFFC###### + 
" timestamp= " [phone] + 
" hash = " + a929b3aec9179c700c09d###### + 
" ccnum " + $('.card-number').val() + 
" exp" + $('.expiration-month').val() + $('.expiration-year').val() + 
" user = " + SG1###);

Importantly, {{ CARDSPRING_APP_ID }} has evaluated to nothing. Does anyone know why this might be the case? Thank you!

UPDATE

I tried creating a context_processors.py file as described in the answer below, and made sure to add it to the appropriate spot in settings.py . I still don't have any luck -- it evaluates on one page, but not on the other

UPDATE 2

The template is called with this command:

return render_to_response('howto'+str(number)+'.html',locals(),context_instance= RequestContext(request))

UPDATE 3 Got it to work -- needed to add this to my settings.py

TEMPLATE_CONTEXT_PROCESSORS = global_settings.TEMPLATE_CONTEXT_PROCESSORS + (
    "myapp.context_processors.cardspring",
)

解决方案

Create a file called context_processors.py and write the following context processor:

from django.conf import settings

def cardspring(request):
    return { 'CARDSPRING_APP_ID': settings.CARDSPRING_APP_ID }

Then add your.location.context_processors.cardspring to TEMPLATE_CONTEXT_PROCESSORS in your Django settings file, where your.location is the location of your context_processors.py file.

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