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jinja2: add 'tn' filter, a numerical translation

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The possibly plural version of `tr`, `tn` provides a way to translate
strings into singular or plural form based on a given integer
being 1 or not 1.

Example use:

```
{{ 1 | tn("%d package found.", "%d packages found.") | format(1) }}
```

Signed-off-by: Kevin Morris <kevr@0cost.org>
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Kevin Morris 2021-08-20 16:29:04 -07:00
parent 1c26ce52a5
commit 45fbf214b4
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3 changed files with 32 additions and 1 deletions
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aurweb/templates.py
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@ -23,8 +23,9 @@ loader = jinja2.FileSystemLoader(os.path.join(
env = jinja2.Environment(loader=loader, autoescape=True,
extensions=["jinja2.ext.i18n"])
# Add tr translation filter.
# Add t{r,n} translation filters.
env.filters["tr"] = l10n.tr
env.filters["tn"] = l10n.tn
# Utility filters.
env.filters["dt"] = util.timestamp_to_datetime