#25732: Update "Don’t invent a programming language" section Design Philosophies
doc
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Reporter: nealtodd | Owner: nobody
Type: Cleanup/optimization | Status: new
Component: Documentation | Version: master
Severity: Normal | Keywords:
Triage Stage: Unreviewed | Has patch: 0
Easy pickings: 1 | UI/UX: 0
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The "Don’t invent a programming language" section in
[https://docs.djangoproject.com/en/1.9/misc/design-philosophies/ Design
philosophies] states:
> The template system intentionally doesn’t allow ... Assignment to
variables
However, the
[https://docs.djangoproject.com/en/1.9/releases/1.9/#templates 1.9
release] adds support for this via the simple_tag:
> Template tags created with the simple_tag() helper can now store results
in a template variable by using the as argument.
The docs need to be made consistent, at least by removing that specific
statement. I haven't included a PR on this as it may be the case that a
more through rewrite of this section is due. It also states that "Advanced
logic" isn't allowed either. With the various additional features in
Templates in the last few versions, including jinja2 support that might be
stretching the assertion a bit far now. True, it's not advanced compared
to what can be done in Python, but the logic control is quite
sophisticated.
Maybe just removing the first line and the two bullet points is enough? If
so, I can submit a PR.
NB: this is referenced here:
https://code.djangoproject.com/ticket/6378#comment:24
(an old open ticket that looks like it can be closed as a result of the
single_tag update).
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Ticket URL: <https://code.djangoproject.com/ticket/25732>
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