code: def generic_item(community, template, **extra_ctx):
      
      # Check existence of community
      ctx = mycommunities_ctx()
      ctx.update({
          'is_owner': community.id_user == current_user.get_id(),
          'community': community,
          'detail': True,
      })
      ctx.update(extra_ctx)
  
      return render_template(template, **ctx)
docs: Index page with uploader and list of existing depositions.