How to embed Python list as it is in Django template?

Question

There is a Django template in my web app which has a JavaScript section in it.

chart.html

{% block footer_javascript_section %}<script type="text/javascript" >
g = new Dygraph(

// containing div
document.getElementById("graphdiv"),

// CSV or path to a CSV file.
"{{ biogas_plant_str }}",

{width: 1000,
height: 400,
labels: {{biogas_plant_list}} }  /*  <---- THIS list */ 
);
</script> 
{% endblock footer_javascript_section %}

I've passed in a Python list in the context of the chart view function.The list is referred by biogas_plant_list.

The issue

I need to embed the Python list as it is, without splitting or iterating over it. Other questions similar to this one, required the list to be handled in some way. A list has to be output after substitution. ['s1','s2'] However template substitutes the HTML character entities instead of the actual decoded characters. How to turn it off?

['"25.7\\n"', '"26.3\\n"' ]

Can we simmply not join the list and pass it as a String variable to the template. — Rehan Azher
– Rehan Azher, Commented Apr 1, 2018 at 11:51
I suppose it could be done.Might have to split it again when passing it the JS constructor. — devsaw
– devsaw, Commented Apr 1, 2018 at 11:58

devsaw · Accepted Answer · 2018-04-01 11:57:16Z

1

From the Django docs, Django templates auto-escape quotes characters and such by default.

autoescape¶

Controls the current auto-escaping behavior. This tag takes either on or off as an argument and that determines whether auto-escaping is in effect inside the block. The block is closed with an endautoescape ending tag.

 {% autoescape off %}
labels: {{biogas_plant_list}} }
{% endautoescape %}

answered Apr 1, 2018 at 11:57

devsaw

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