from django import template
from django.template.defaultfilters import stringfilter

register = template.Library()

@register.filter
@stringfilter
def media_url(value,MEDIA_URL):
    """Searches for {{ MEDIA_URL }} and replaces it with the current MEDIA_URL"""
    return value.replace('{{ MEDIA_URL }}', MEDIA_URL)
media_url.is_safe = True