28 lines
755 B
Python
28 lines
755 B
Python
|
from django.template import (Context, Template as DjangoTemplate, TemplateSyntaxError as DjangoTemplateSyntaxError,
|
||
|
|
VariableDoesNotExist)
|
||
|
|
|
||
|
|
from . import registry
|
||
|
|
|
||
|
|
MAX_CACHE = 100
|
||
|
|
django_cache = {}
|
||
|
|
|
||
|
|
|
||
|
|
def compile_template(code):
|
||
|
|
if code in django_cache:
|
||
|
|
return django_cache[code]
|
||
|
|
|
||
|
|
# If this works for re.compile, it works for us too.
|
||
|
|
if len(django_cache) > MAX_CACHE:
|
||
|
|
django_cache.clear()
|
||
|
|
|
||
|
|
t = django_cache[code] = DjangoTemplate(code)
|
||
|
|
return t
|
||
|
|
|
||
|
|
|
||
|
|
@registry.function
|
||
|
|
def render_django(template, **context):
|
||
|
|
try:
|
||
|
|
return compile_template(template).render(Context(context))
|
||
|
|
except (VariableDoesNotExist, DjangoTemplateSyntaxError):
|
||
|
|
return 'Error rendering: %r' % template
|