Opened 10 years ago

Closed 10 years ago

#24785 closed Bug (needsinfo)

render_to_string makes invalid call to template.render

Reported by: Dan Poirier Owned by: nobody
Component: Template system Version: 1.8
Severity: Normal Keywords:
Cc: Triage Stage: Unreviewed
Has patch: no Needs documentation: no
Needs tests: no Patch needs improvement: no
Easy pickings: no UI/UX: no

Description

Line 92 in django/template/loader.py, here: ​https://github.com/django/django/blob/bd53db5eab05099ae371348529c6428e0da95c6a/django/template/loader.py#L92

    return template.render(context, request)

calls template.render with two arguments.

But template.render here: ​https://github.com/django/django/blob/bd53db5eab05099ae371348529c6428e0da95c6a/django/template/base.py#L209

    def render(self, context):

only takes one argument. Here's the resulting error:

  File ".../lib/python3.4/site-packages/django/template/loader.py", line 99, in render_to_string
    return template.render(context, request)
TypeError: render() takes 2 positional arguments but 3 were given

Change History (1)

comment:1 by Aymeric Augustin, 10 years ago

Resolution: → needsinfo
Status: new → closed

In the first piece of code you're quoting, template is expected to be a backend-dependent Template wrapper as specified in ​DEP 182, for example django.template.backends.django.Template.

The second piece of code refers to django.template.base.Template. I don't have enough information about your project to say why you're getting the wrong type of template there.

Can you check the ​1.8 release notes and ​upgrade instructions to make sure you updated your code appropriately?

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