text: """xlsdiff"""
  import flask
  from flask import render_template, request, Blueprint
  
  # noinspection PyProtectedMember
  from .static_methods import _run_background_process, upload_file
  from .config import template, PKG_NAME, settings
  
  routes = Blueprint(PKG_NAME, __name__)
  
  
  @routes.route('/', methods=['GET', 'POST'])
  def index():
      """Index"""
      if flask.request.method == 'GET':
          return render_template(template, **settings)
      else:
          try:
              base_file = upload_file(request.files['base-file'])
              new_file = upload_file(request.files['new-file'])
              options_list = request.form.getlist('options[]')
              options = " ".join(options_list)
  
              command = "python -m pmix.xlsdiff " + base_file + " " + \
                        new_file + " " + options
              stdout, stderr = _run_background_process(command)
              return render_template(template, stderr=stderr, stdout=stdout,
                                     **settings)
  
          except Exception as err:
              msg = 'An unexpected error occurred:\n\n' + str(err)
              return render_template(template, stderr=msg, **settings)
  