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Code source de django.template.backends.jinja2

# Since this package contains a "django" module, this is required on Python 2.
from __future__ import absolute_import

import sys

import jinja2

from django.conf import settings
from django.template import TemplateDoesNotExist, TemplateSyntaxError
from django.utils import six
from django.utils.module_loading import import_string

from .base import BaseEngine
from .utils import csrf_input_lazy, csrf_token_lazy


[docs]class Jinja2(BaseEngine): app_dirname = 'jinja2' def __init__(self, params): params = params.copy() options = params.pop('OPTIONS').copy() super(Jinja2, self).__init__(params) environment = options.pop('environment', 'jinja2.Environment') environment_cls = import_string(environment) options.setdefault('autoescape', True) options.setdefault('loader', jinja2.FileSystemLoader(self.template_dirs)) options.setdefault('auto_reload', settings.DEBUG) options.setdefault('undefined', jinja2.DebugUndefined if settings.DEBUG else jinja2.Undefined) self.env = environment_cls(**options) def from_string(self, template_code): return Template(self.env.from_string(template_code)) def get_template(self, template_name): try: return Template(self.env.get_template(template_name)) except jinja2.TemplateNotFound as exc: six.reraise(TemplateDoesNotExist, TemplateDoesNotExist(exc.args), sys.exc_info()[2]) except jinja2.TemplateSyntaxError as exc: six.reraise(TemplateSyntaxError, TemplateSyntaxError(exc.args), sys.exc_info()[2])
class Template(object): def __init__(self, template): self.template = template def render(self, context=None, request=None): if context is None: context = {} if request is not None: context['request'] = request context['csrf_input'] = csrf_input_lazy(request) context['csrf_token'] = csrf_token_lazy(request) return self.template.render(context)
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