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- from inspect import getfullargspec
-
- from django.template.library import InclusionNode, parse_bits
-
-
- class InclusionAdminNode(InclusionNode):
- """
- Template tag that allows its template to be overridden per model, per app,
- or globally.
- """
-
- def __init__(self, parser, token, func, template_name, takes_context=True):
- self.template_name = template_name
- params, varargs, varkw, defaults, kwonly, kwonly_defaults, _ = getfullargspec(func)
- bits = token.split_contents()
- args, kwargs = parse_bits(
- parser, bits[1:], params, varargs, varkw, defaults, kwonly,
- kwonly_defaults, takes_context, bits[0],
- )
- super().__init__(func, takes_context, args, kwargs, filename=None)
-
- def render(self, context):
- opts = context['opts']
- app_label = opts.app_label.lower()
- object_name = opts.object_name.lower()
- # Load template for this render call. (Setting self.filename isn't
- # thread-safe.)
- context.render_context[self] = context.template.engine.select_template([
- 'admin/%s/%s/%s' % (app_label, object_name, self.template_name),
- 'admin/%s/%s' % (app_label, self.template_name),
- 'admin/%s' % (self.template_name,),
- ])
- return super().render(context)
|
