django1/django/template/backends/django.py

56 lines
1.9 KiB
Python

# Since this package contains a "django" module, this is required on Python 2.
from __future__ import absolute_import
from django.conf import settings
from django.template.context import Context, RequestContext
from django.template.engine import _dirs_undefined, Engine
from .base import BaseEngine
class DjangoTemplates(BaseEngine):
app_dirname = 'templates'
def __init__(self, params):
params = params.copy()
options = params.pop('OPTIONS').copy()
options.setdefault('debug', settings.TEMPLATE_DEBUG)
options.setdefault('file_charset', settings.FILE_CHARSET)
super(DjangoTemplates, self).__init__(params)
self.engine = Engine(self.dirs, self.app_dirs, **options)
def from_string(self, template_code):
return Template(self.engine.from_string(template_code))
def get_template(self, template_name, dirs=_dirs_undefined):
return Template(self.engine.get_template(template_name, dirs))
class Template(object):
def __init__(self, template):
self.template = template
@property
def origin(self):
# TODO: define the Origin API. For now simply forwarding to the
# underlying Template preserves backwards-compatibility.
return self.template.origin
def render(self, context=None, request=None):
# TODO: require context to be a dict -- through a deprecation path?
if not isinstance(context, Context):
if request is None:
context = Context(context)
else:
# The following pattern is required to ensure values from
# context override those from template context processors.
original_context = context
context = RequestContext(request)
if original_context:
context.push(original_context)
return self.template.render(context)