django1/django/template/loaders/eggs.py

26 lines
900 B
Python

# Wrapper for loading templates from eggs via pkg_resources.resource_string.
try:
from pkg_resources import resource_string
except ImportError:
resource_string = None
from django.template import TemplateDoesNotExist
from django.conf import settings
def load_template_source(template_name, template_dirs=None):
"""
Loads templates from Python eggs via pkg_resource.resource_string.
For every installed app, it tries to get the resource (app, template_name).
"""
if resource_string is not None:
pkg_name = 'templates/' + template_name
for app in settings.INSTALLED_APPS:
try:
return (resource_string(app, pkg_name), 'egg:%s:%s ' % (app, pkg_name)).decode(settings.FILE_CHARSET)
except:
pass
raise TemplateDoesNotExist, template_name
load_template_source.is_usable = resource_string is not None