def prepare(self, **options):
from pystache import Template, View
View.template_path = self.lookup
self.context = threading.local()
self.context.vars = {}
if self.source:
self.tpl = Template(self.source)
else:
view = View()
view.template_file = self.filename
view.template_name = self.name
view.template_encoding = self.encoding
template = view.load_template()
self.tpl = Template(template)
