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Allow overriding ensure_ascii in the "to_json" template filter (#20218)
* to_json: add ensure_ascii * Update source/_docs/configuration/templating.markdown Co-authored-by: Erik Montnemery <erik@montnemery.com> * lint Co-authored-by: Erik Montnemery <erik@montnemery.com>
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@ -357,6 +357,8 @@ To fix it, enforce the ISO conversion via `isoformat()`:
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The `to_json` filter serializes an object to a JSON string. In some cases, it may be necessary to format a JSON string for use with a webhook, as a parameter for command-line utilities or any number of other applications. This can be complicated in a template, especially when dealing with escaping special characters. Using the `to_json` filter, this is handled automatically.
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Similarly to the Python equivalent, the filter accepts an `ensure_ascii` parameter, defaulting to `True`. If `ensure_ascii` is `True`, the output is guaranteed to have all incoming non-ASCII characters escaped. If `ensure_ascii` is false, these characters will be output as-is.
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The `from_json` filter operates similarly, but in the other direction, de-serializing a JSON string back into an object.
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### To/From JSON examples
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@ -370,7 +372,7 @@ In this example, the special character '°' will be automatically escaped in ord
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```text
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{% set temp = {'temperature': 25, 'unit': '°C'} %}
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stringified object: {{ temp }}
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object|to_json: {{ temp|to_json }}
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object|to_json: {{ temp|to_json(ensure_ascii=False) }}
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```
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{% endraw %}
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