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Editorial Team
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Asked: 2026-05-13T09:01:41+00:00

I’m using SHPAML (HAML for python) for Django, however, I’m facing problems converting SHPAML

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I’m using SHPAML (HAML for python) for Django, however, I’m facing problems converting SHPAML -> HTML because of whitespace issues when overriding some blocks, heres an example:

In skeleton.shpaml:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
    <head>
        <title>{{ title }}</title>

        {% comment %}
        <link rel="shortcut icon" href="/static/images/favicon.ico" type="image/x-icon"/>
        {% endcomment %}

        {% if css_list %}
            {% for css in css_list %}
            <link type="text/css" rel="stylesheet" href="{{css_relative}}{{ css }}">
            {% endfor %}
        {% endif %}

        {% if js_list %}
            {% for js in js_list %}
            <script type="text/javascript" src="{{js_relative}}{{ js }}">
            </script>
            {% endfor %}
        {% endif %}

        {% if no_cache %}
        <meta http-equiv="Pragma" content="no-cache" />
        <meta http-equiv="Cache-Control" content="no-cache" />
        {% endif %}

    </head>

    body
        #nonFooter
            #content
                {% block header %}&nbsp;{% endblock %}
            #maincontent
                {% block content %}&nbsp;{% endblock %}
        #footer
            &nbsp;

</html>

In index.shpaml:

{% extends "includes/skeleton.shpaml" %}
{% block content %}
asd
.test
    .test2 | meh
{% endblock %}

In the end, my output is this:

!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
    <head>
        <title>Home | Zineified</title>





            <link type="text/css" rel="stylesheet" href="/media/css/base.css">





            <script type="text/javascript" src="/media/js/jquery-1.3.2.min.js">
            </script>

            <script type="text/javascript" src="/media/js/jquery.form.js">
            </script>

            <script type="text/javascript" src="/media/js/base.js">
            </script>





    </head>

    body
        #nonFooter
            #content
                &nbsp;
            #maincontent

asd
.test
    .test2 | meh

        #footer
            &nbsp;

</html>

As you can see, whitespace is not preserved in the blocks. The next line in index.shpaml goes straight down into the next line in skeleton.shpaml. How can I prevent this and retain whitespace through template extending?

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1 Answer

  1. Editorial Team

    It looks like the SHPAML preprocessor is not getting invoked BEFORE Django. What I typically do is write all my documents in SHPAML with a .shpaml extension, and then I convert them to Django with the .html extension, and then let Django do its magic. So you will want statements like “extends” and “include” to refer to the .html document that has already been preprocessed.

    Your base shpaml doc will look something like this:

    html
    body
        #main_page
            {% block body %}
            {% endblock %}

    And then the document that extends it will look something like this:

    {% extends 'base.html' %}
{% block body %}
    p
        This is a paragraph about {{ book }}...
{% endblock %}

    And then you want to preprocess them BEFORE Django sees them. I usually preprocess them with a Python script right before doing “manage.py runserver.”

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