# 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.template.loader import BaseLoader
from django.conf import settings
class Loader(BaseLoader):
is_usable = resource_string is not None
def load_template_source(self, 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).decode(settings.FILE_CHARSET), 'egg:%s:%s' % (app, pkg_name))
except:
pass
raise TemplateDoesNotExist(template_name)
_loader = Loader()
def load_template_source(template_name, template_dirs=None):
import warnings
warnings.warn(
"'django.template.loaders.eggs.load_template_source' is deprecated; use 'django.template.loaders.eggs.Loader' instead.",
PendingDeprecationWarning
)
return _loader.load_template_source(template_name, template_dirs)
load_template_source.is_usable = resource_string is not None
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