Django Unique properties in admin_问答_开发者_运维开发者技术经验分享

开发者 https://www.devze.com 2023-03-11 12:08 出处：网络

I\'m building a generic template that will be deployed for several sites, one of the customizing options we\'d like to allow would be a custom font for the title text. I\'d like to add this property t

I'm building a generic template that will be deployed for several sites, one of the customizing options we'd like to allow would be a custom font for the title text. I'd like to add this property to the admin interface. Is there a better technique then creating a model for these properties and doing a Model.obje开发者_StackOverflow社区cts.get() to retrieve 1 instance.

Thanks in advance

I'd suggest using a context processor, and only hitting the database on first request, or if you forcefully trigger a reload of the settings. For instance:

from project.theme.models import Theme

THEME_SETTINGS = Theme.objects.values().get(id=1) # hits db first request

def theme(request):
    if 'reset_theme' in request.GET: # or some other mechanism
        THEME_SETTINGS = Theme.objects.values().get(id=1) # reset theme settings
    return THEME_SETTINGS

To use, just add the context processor to TEMPLATE_CONTEXT_PROCESSORS in your settings. Context processors are fairly simple, they take a RequestContext and return a dict used to populate the RequestContext.

I've currently implemented django-chunks from github It allows the use of

{% load chunks %}
{% chunk "key" %}

where the chunk is a key,value set.

I've used this technique to insert "dynamic css", (my admin can provide the css required to upload a custom font)

Example: subtitle_font_css

<style>
@font-face {
    font-family: "impact";
    src: url('/static/fonts/impact.ttf');
}
</style>

subtitle_font

font-family: impact;

Now for the html:

<head>
    {% load chunks %}
    {% chunk "subtitle_font_css" %}
</head>
<body>
    {% load chunks %}
    <span style="{% chunk "subtitle_font %}"> Title </span>
</body>