I create my own custom filter tags to using in my project but every time i put in my HTML it just product this errors Invalid filter:
I don't where i do wrong, I try putting the {%load tag%} with child templates, it didn't work I try name it differently @register.filter("multiply", multiply) @register.filter(name="multiply") @register.filter() didn't work either Here my HTML code that include the filter: <div class = "float-right my-4 chartjs-render-monitor" id="chartContainerPH" style="width: 49%; height: 400px;display: inline-block; background-color:#FDFDFD;"> <center> <a class="title-link" href="{%url 'ph' %}">PH:</a> <p> {{tank_system.PH|latest}}, </p> </center> </div> and here my code for my custom filter from django import template register = template.Library() @register.filter('latest', latest) def custom_last(value): last = None try: last = value[-1] except AssertionError: try: last = value.reverse()[0] except IndexError: pass return last my views from django.shortcuts import render from django.views.generic import TemplateView from zigview.models import tank_system from django.contrib.auth.decorators import login_required import logging logger = logging.getLogger(__name__) try: @login_required(login_url='/accounts/login/') def index(request): #gose to main dashboard page tank = tank_system.objects.all return render(request, 'FrounterWeb/extends/includes.html', {'tank': tank}) except: logger.error('index page request failed/errors') I intend to use two custom filter -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-users+unsubscr...@googlegroups.com. To post to this group, send email to django-users@googlegroups.com. Visit this group at https://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/97860011-3621-4c46-b654-67a9c95d33af%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.