flask-boilerplate/app/templates/macros.html

{# myapp/templates/macros.html #}

<!-- Highlight the current tab -->
{% macro nav_link(endpoint, text) %}
	{% if request.endpoint is not none %}
		{% if request.endpoint.endswith(endpoint) %}
		    <a class="active teal item" href="{{ url_for(endpoint) }}">{{ text }}</a>
		{% else %}
		    <a class="item" href="{{ url_for(endpoint) }}">{{ text }}</a>
		{% endif %}
	{% else %}
    	<a class="item" href="{{ url_for(endpoint) }}">{{ text }}</a>
	{% endif %}
{% endmacro %}

<!-- Render a WTForm form's field (with it's possible associated errors) from a WTForms form -->
{% macro render_field(field) %}
	<div class="field">
		{{ field(name_=field.name, id=field.name, placeholder=field.description, class_="field") }}
	</div>
  	{% if field.errors %}
    	<ul>
	    	{% for error in field.errors %}
	      		<li class="form-error">{{ error }}</li>
	    	{% endfor %}
    	</ul>
  	{% endif %}
{% endmacro %}