#28618: There should be a way to make Templates substitution to raise an
exception
on error
-------------------------------------+-------------------------------------
Reporter: Facundo Batista | Owner: shreyas
Type: New feature | Status: assigned
Component: Template system | Version: 1.11
Severity: Normal | Resolution:
Keywords: template error | Triage Stage:
substitution | Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Comment (by shreyas):
It seems that there is a way to pass parameter `string_if_invalid` when
initializing template engine which will be rendered in template if
variable is not resolved from context. You can also pass `%s` in that
string which will be interpolated with missing variable name.
For Eg.
{{{
engine = Engine(debug=True, string_if_invalid="Variable not found %s")
t = engine.from_string("{{articlecovfefe.section}}")
c = Context({"article": {"section": "News"}})
print(t.render(c)) # prints 'Variable not found articlecovfefe.section'
!= 'News'
}}}
Is it possible to leverage this in test cases for you.
--
Ticket URL: <https://code.djangoproject.com/ticket/28618#comment:2>
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