{% macro form_tag(form, action="", method="POST") -%}
  {% do kwargs.setdefault("enctype", form.enctype) %}
  {{ html_tag("form", action=action, method=method, **kwargs) }}
    {{ form.hidden_tag() }}
    {{ caller() }}
  </form>
{% endmacro %}


{% macro form_field(field) -%}
  <p class="{% if field.flags.required %}required{% endif %} {% if field.errors %}error{% endif %}">
    {% if field.type == 'BooleanField' %}
      <label class="checkbox">{{ field(**kwargs) }} {{ field.label.text }}</label>
    {% else %}
      {{ field.label }} {{ field(**kwargs) }}
    {% endif %}
    {% if field.errors %}
      <span class="error">{{ field.errors|join(', ') }}</span>
    {% endif %}
    {% if field.description %}
      <span class="description">{{ field.description }}</span>
    {% endif %}
  </p>
{%- endmacro %}


{% macro form_btn(label="Submit") -%}
  <p class="button">
    {{ html_tag("button", type="submit", **kwargs) }}{{ label }}</button>
  </p>
{%- endmacro %}