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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def deploy_webconf():
 """ Deploy nginx and other wsgi server site configurations to the host """

    deployed = []
    log_dir = '/'.join([deployment_root(),'log'])
    #TODO - incorrect - check for actual package to confirm installation
    if webserver_list():
        if env.verbosity:
            print env.host,"DEPLOYING webconf:"
        if not exists(log_dir):
            run('ln -s /var/log log')
        #deploys confs for each domain based on sites app
        if 'apache2' in get_packages():
            deployed += _deploy_webconf('/etc/apache2/sites-available','django-apache-template.txt')
            deployed += _deploy_webconf('/etc/nginx/sites-available','nginx-template.txt')
        elif 'gunicorn' in get_packages():
            deployed += _deploy_webconf('/etc/nginx/sites-available','nginx-gunicorn-template.txt')
        
        if not exists('/var/www/nginx-default'):
            sudo('mkdir /var/www/nginx-default')
        upload_template('woven/maintenance.html','/var/www/nginx-default/maintenance.html',use_sudo=True)
        sudo('chmod ugo+r /var/www/nginx-default/maintenance.html')
    else:
        print env.host,"""WARNING: Apache or Nginx not installed"""
        
    return deployed