docs/_themes/sphinx_rtd_theme/breadcrumbs.html

{# Support for Sphinx 1.3+ page_source_suffix, but don't break old builds. #}

{% if page_source_suffix %}
{% set suffix = page_source_suffix %}
{% else %}
{% set suffix = source_suffix %}
{% endif %}

{% if meta is defined and meta is not none %}
{% set check_meta = True %}
{% else %}
{% set check_meta = False %}
{% endif %}

{% if check_meta and 'github_url' in meta %}
{% set display_github = True %}
{% endif %}

{% if check_meta and 'bitbucket_url' in meta %}
{% set display_bitbucket = True %}
{% endif %}

{% if check_meta and 'gitlab_url' in meta %}
{% set display_gitlab = True %}
{% endif %}

{% set display_vcs_links = display_vcs_links if display_vcs_links is defined else True %}

<div role="navigation" aria-label="breadcrumbs navigation">

  <ul class="wy-breadcrumbs">
    {% block breadcrumbs %}
      <li><a href="{{ pathto(master_doc) }}" class="icon icon-home"></a> &raquo;</li>
        {% for doc in parents %}
          <li><a href="{{ doc.link|e }}">{{ doc.title }}</a> &raquo;</li>
        {% endfor %}
      <li>{{ title }}</li>
    {% endblock %}
    {% block breadcrumbs_aside %}
      <li class="wy-breadcrumbs-aside">
        {% if hasdoc(pagename) and display_vcs_links %}
          {% if display_github %}
            {% if check_meta and 'github_url' in meta %}
              <!-- User defined GitHub URL -->
              <a href="{{ meta['github_url'] }}" class="fa fa-github"> {{ _('Edit on GitHub') }}</a>
            {% else %}
              <a href="https://{{ github_host|default("github.com") }}/{{ github_user }}/{{ github_repo }}/{{ theme_vcs_pageview_mode|default("blob") }}/{{ github_version }}{{ conf_py_path }}{{ pagename }}{{ suffix }}" class="fa fa-github"> {{ _('Edit on GitHub') }}</a>
            {% endif %}
          {% elif display_bitbucket %}
            {% if check_meta and 'bitbucket_url' in meta %}
              <!-- User defined Bitbucket URL -->
              <a href="{{ meta['bitbucket_url'] }}" class="fa fa-bitbucket"> {{ _('Edit on Bitbucket') }}</a>
            {% else %}
              <a href="https://bitbucket.org/{{ bitbucket_user }}/{{ bitbucket_repo }}/src/{{ bitbucket_version}}{{ conf_py_path }}{{ pagename }}{{ suffix }}?mode={{ theme_vcs_pageview_mode|default("view") }}" class="fa fa-bitbucket"> {{ _('Edit on Bitbucket') }}</a>
            {% endif %}
          {% elif display_gitlab %}
            {% if check_meta and 'gitlab_url' in meta %}
              <!-- User defined GitLab URL -->
              <a href="{{ meta['gitlab_url'] }}" class="fa fa-gitlab"> {{ _('Edit on GitLab') }}</a>
            {% else %}
              <a href="https://{{ gitlab_host|default("gitlab.com") }}/{{ gitlab_user }}/{{ gitlab_repo }}/{{ theme_vcs_pageview_mode|default("blob") }}/{{ gitlab_version }}{{ conf_py_path }}{{ pagename }}{{ suffix }}" class="fa fa-gitlab"> {{ _('Edit on GitLab') }}</a>
            {% endif %}
          {% elif show_source and source_url_prefix %}
            <a href="{{ source_url_prefix }}{{ pagename }}{{ suffix }}">{{ _('View page source') }}</a>
          {% elif show_source and has_source and sourcename %}
            <a href="{{ pathto('_sources/' + sourcename, true)|e }}" rel="nofollow"> {{ _('View page source') }}</a>
          {% endif %}
        {% endif %}
      </li>
    {% endblock %}
  </ul>

  {% if (theme_prev_next_buttons_location == 'top' or theme_prev_next_buttons_location == 'both') and (next or prev) %}
  <div class="rst-breadcrumbs-buttons" role="navigation" aria-label="breadcrumb navigation">
      {% if next %}
        <a href="{{ next.link|e }}" class="btn btn-neutral float-right" title="{{ next.title|striptags|e }}" accesskey="n">{{ _('Next') }} <span class="fa fa-arrow-circle-right"></span></a>
      {% endif %}
      {% if prev %}
        <a href="{{ prev.link|e }}" class="btn btn-neutral float-left" title="{{ prev.title|striptags|e }}" accesskey="p"><span class="fa fa-arrow-circle-left"></span> {{ _('Previous') }}</a>
      {% endif %}
  </div>
  {% endif %}
  <hr/>
</div>