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@slavama
Created February 13, 2019 07:06
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Установка переменной в шаблоне DJANGO
from django import template
register = template.Library()
class SetVarNode(template.Node):
def __init__(self, var_name, var_value):
self.var_name = var_name
self.var_value = var_value
def render(self, context):
try:
value = template.Variable(self.var_value).resolve(context)
except template.VariableDoesNotExist:
value = ""
context[self.var_name] = value
return u""
@register.tag(name='set')
def set_var(parser, token):
"""
{% set some_var = '123' %}
"""
parts = token.split_contents()
if len(parts) < 4:
raise template.TemplateSyntaxError("'set' tag must be of the form: {% set <var_name> = <var_value> %}")
return SetVarNode(parts[1], parts[3])
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