How to render form field with information that it is required

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As of Django 1.2, if your form has an attribute named required_css_class, it will be added to BoundField.css_classes for required fields. You can then use CSS to style the required parts of the form as desired. A typical use case:

# views.py
class MyForm(django.forms.Form):
    required_css_class="required"
    …

…

/* CSS */
th.required { font-weight: bold; }

…

<!-- HTML -->
<tr>
  <th class="{{form.name.css_classes}}">{{form.name.label_tag}}</th>
  <td>{{form.name.errors}}{{form.name}}</td>
</tr>

If you use Form.as_table(), Form.as_ul, and Form.as_p, they do this automatically, adding the class to <tr>, <li>, and <p>, respectively.

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