Symfony3 form builder form field in span instead of div - php

Question

I have Symfony3 app and I am making a simple form the code in the twig is as follows
{{ form_start(edit_form) }}
{{ form_widget(edit_form) }}
<input type="submit" value="Edit" />
{{ form_end(edit_form) }}
Pretty simple. What this code creates is a form and each form field is within it's own <div> which is fine, but if the type is date here is what the generated html looks like
<div>
<label class="required">Term</label>
<div id="appbundle_project_term">
<select id="appbundle_project_term_year" name="appbundle_project[term][year]"></select>
<select id="appbundle_project_term_year" name="appbundle_project[term][month]"></select>
<select id="appbundle_project_term_year" name="appbundle_project[term][day]"></select>
</div>
</div>
What bugs me is the inner div created for the date type field. Is there a way in the FormBuilder to keep the type date but remove this inner div without using javascript to handle it or in the twig template. Simply to say - "inner tag => span".
This is pretty generic question as I am looking for a way to usually change the auto generated tags, but if needed here is how this form field is created in form builder
add('term',DateType::class, array(
'widget' => 'choice',
'label'=>"Term",
'data'=>$project->getTerm()
))

Answer 1

You can override form rendering, there are few ways.
The simplest one is overriding form theme widget block (in this case date_widget) and setting form_theme to _self.
Basic example:
{% form_theme form _self %}
{% block date_widget %}
<span>
{% if widget == 'single_text' %}
{{ block('form_widget_simple') }}
{% else %}
{# rendering 3 fields for year, month and day #}
{{ form_widget(form.year) }}
{{ form_widget(form.month) }}
{{ form_widget(form.day) }}
{% endif %}
</span>
{% endblock %}
{% block content %}
{# ... form rendering #}
{{ form_row(form.someDateField) }}
{% endblock %}