1 # -*- coding: utf-8 -*-
4 from django import template
6 register = template.Library()
11 {% set_get_paramater param1='const_value',param2=,param3=variable %}
12 results with changes to query string:
13 param1 is set to `const_value' string
14 param2 is unset, if exists,
15 param3 is set to the value of variable in context
17 Using 'django.core.context_processors.request' is required.
22 class SetGetParameter(template.Node):
23 def __init__(self, values):
26 def render(self, context):
27 request = template.Variable('request').resolve(context)
28 params = request.GET.copy()
29 for key, value in self.values.items():
34 params[key] = template.Variable(value).resolve(context)
35 return '?%s' % params.urlencode()
39 def set_get_parameter(parser, token):
40 parts = split(r'\s+', token.contents, 2)
43 for pair in parts[1].split(','):
47 return SetGetParameter(values)