Python + Flask V

Macro


Create the macro

{% macro render_field(field) %}
<tr {% if field.errors %} class="error" {% endif %}>
<td>{{ field.label }}</td>
<td>{{ field(**kwargs)|safe}}</td>
</tr>
<tr class="error">
<td></td>
<td>
<ul>
{% for error in field.errors %}
<li>{{ error }}</li>
{% endfor %}
</ul>
</td>
</tr>
{% endmacro %}


In the view

• Import the macro by the name

{% from "form_macro_file_name.html" import render_field%}

• Use the macro

<form action="" method="POST">

    {{form.hidden_tag()}}

        <table>

            {{ render_field(form.signum, size=10) }}

            {{ render_field(form.comments, size=50) }}

            <tr class="submit">

                <td></td>

                <td>

                    <button type="submit">Send Survey</button>

                </td>

            </tr>

        </table>

    </form>