Bootstrap Form Rendering for Jinja2

gistfile1.html

{%  macro bs_field(field,help=False,icon=False,counter=False) %}

    <div class="control-group{% if field.errors %} warning{% endif %}">
        {% if field.type in ('EmailField','PasswordField','TextField','TextAreaField','FileField','QuerySelectFieldCustom','DecimalField','SelectField') %}
            {{  field.label(class="control-label") }}
            <div class="controls">
                {% if icon %}
                    <div class="input-prepend">
                    <span class="add-on"><i class="{{ icon }}"></i></span>
                {%  endif %}
                {{  field(**kwargs)|safe }}
                {% if icon %}</div>{% endif %}

                {# Show Errors #}
                {% if field.errors %}
                    <p class="help-block">
                        {%- for error in field.errors %}<i class="icon-star"></i> {{ error }}<br/>{% endfor -%}
                    </p>
                {% endif %}


                {%  if help or counter%}
                    <p class="help-block">{{ help|safe }}{% if counter %} <span class="counter-display"></span> characters left. {% endif %}</p>
                {% endif %}
            </div>

        {% elif field.type in ('RadioField') %}
            {{  field.label(class="control-label") }}
            <div class="controls">

                {% for subfield in field %}
                    <label class="radio">
                        {{ subfield(**kwargs)|safe }}
                        {{ subfield.label.text }}
                    </label>
                {%  endfor %}
                {%  if help %}
                    {% if field.errors %}
                        <p class="help-block">
                            {%- for error in field.errors %}<i class="icon-star"></i> {{ error }}{% endfor -%}
                        </p>
                    {% endif %}
                    <p class="help-block">{{ help }}</p>
                {% endif %}
            </div>
        {% else %}
            <h1>{{  field }}</h1>
        {% endif %}
    </div>

{%  endmacro %}