text: from django.conf import settings
  from django.core.files.storage import default_storage
  from django.utils.translation import get_language_info
  from django_scopes import get_scope
  from i18nfield.strings import LazyI18nString
  
  from pretix.base.settings import GlobalSettingsObject
  from pretix.helpers.i18n import (
      get_javascript_format_without_seconds, get_moment_locale,
  )
  
  from .signals import footer_link, html_footer, html_head, html_page_header
  
  
  def contextprocessor(request):
      """
      Adds data to all template contexts
      """
      if request.path.startswith('/control'):
          return {}
  
      ctx = {
          'css_file': None,
          'DEBUG': settings.DEBUG,
      }
      _html_head = []
      _html_page_header = []
      _html_foot = []
      _footer = []
  
      if hasattr(request, 'event'):
          pretix_settings = request.event.settings
      elif hasattr(request, 'organizer'):
          pretix_settings = request.organizer.settings
      else:
          pretix_settings = GlobalSettingsObject().settings
  
      text = pretix_settings.get('footer_text', as_type=LazyI18nString)
      link = pretix_settings.get('footer_link', as_type=LazyI18nString)
  
      if text:
          if link:
              _footer.append({'url': str(link), 'label': str(text)})
          else:
              ctx['footer_text'] = str(text)
  
      if hasattr(request, 'event') and get_scope():
          for receiver, response in html_head.send(request.event, request=request):
              _html_head.append(response)
          for receiver, response in html_page_header.send(request.event, request=request):
              _html_page_header.append(response)
          for receiver, response in html_footer.send(request.event, request=request):
              _html_foot.append(response)
          for receiver, response in footer_link.send(request.event, request=request):
              if isinstance(response, list):
                  _footer += response
              else:
                  _footer.append(response)
  
          if request.event.settings.presale_css_file:
              ctx['css_file'] = default_storage.url(request.event.settings.presale_css_file)
          ctx['event_logo'] = request.event.settings.get('logo_image', as_type=str, default='')[7:]
          ctx['event'] = request.event
          ctx['languages'] = [get_language_info(code) for code in request.event.settings.locales]
  
          if request.resolver_match:
              ctx['cart_namespace'] = request.resolver_match.kwargs.get('cart_namespace', '')
      elif hasattr(request, 'organizer'):
          ctx['languages'] = [get_language_info(code) for code in request.organizer.settings.locales]
  
      if hasattr(request, 'organizer'):
          if request.organizer.settings.presale_css_file and not hasattr(request, 'event'):
              ctx['css_file'] = default_storage.url(request.organizer.settings.presale_css_file)
          ctx['organizer_logo'] = request.organizer.settings.get('organizer_logo_image', as_type=str, default='')[7:]
          ctx['organizer_homepage_text'] = request.organizer.settings.get('organizer_homepage_text', as_type=LazyI18nString)
          ctx['organizer'] = request.organizer
  
      ctx['html_head'] = "".join(_html_head)
      ctx['html_foot'] = "".join(_html_foot)
      ctx['html_page_header'] = "".join(_html_page_header)
      ctx['footer'] = _footer
      ctx['site_url'] = settings.SITE_URL
  
      ctx['js_datetime_format'] = get_javascript_format_without_seconds('DATETIME_INPUT_FORMATS')
      ctx['js_date_format'] = get_javascript_format_without_seconds('DATE_INPUT_FORMATS')
      ctx['js_time_format'] = get_javascript_format_without_seconds('TIME_INPUT_FORMATS')
      ctx['js_locale'] = get_moment_locale()
      ctx['settings'] = pretix_settings
      ctx['django_settings'] = settings
  
      return ctx
  