title: List apps of a django project
body: <p>I'm completely new for django and I'd want to list the apps of a django project, for example:</p>
  
  <p><a href="https://github.com/feincms/feincms" rel="nofollow noreferrer">FeinCMS</a></p>
  
  <p>I know that startapp creates the directory structure for an app. I wonder if there is either a function or a file to get the app list.</p>
  
  <p>For example taking FeinCMS as an example, the repo contains:</p>
  
  <pre><code>feincms
  ├── AUTHORS
  ├── CHANGELOG.rst
  ├── CONTRIBUTING.rst
  ├── docs
  │   ├── admin.rst
  │   ├── advanced
  │   ├── conf.py
  │   ├── contenttypes.rst
  │   ├── contributing.rst
  │   ├── deprecation.rst
  │   ├── extensions.rst
  │   ├── faq.rst
  │   ├── images
  │   ├── index.rst
  │   ├── installation.rst
  │   ├── integration.rst
  │   ├── Makefile
  │   ├── medialibrary.rst
  │   ├── migrations.rst
  │   ├── page.rst
  │   ├── releases
  │   ├── settings.rst
  │   ├── templatetags.rst
  │   └── versioning.rst
  ├── feincms
  │   ├── admin
  │   ├── apps.py
  │   ├── content
  │   ├── contents.py
  │   ├── context_processors.py
  │   ├── contrib
  │   ├── default_settings.py
  │   ├── extensions
  │   ├── __init__.py
  │   ├── _internal.py
  │   ├── locale
  │   ├── management
  │   ├── models.py
  │   ├── module
  │   ├── shortcuts.py
  │   ├── signals.py
  │   ├── static
  │   ├── templates
  │   ├── templatetags
  │   ├── translations.py
  │   ├── urls.py
  │   ├── utils
  │   └── views
  ├── LICENSE
  ├── MANIFEST.in
  ├── README.rst
  ├── setup.cfg
  ├── setup.py
  └── tests
      ├── cov.sh
      ├── manage.py
      ├── requirements.txt
      ├── testapp
      └── tox.ini
  </code></pre>
  
  <p>How can I use django to list the apps in the repo?</p>