django1/django/template/loaders/filesystem.py

32 lines
1.1 KiB
Python

"""
Wrapper for loading templates from the filesystem.
"""
from django.conf import settings
from django.template import TemplateDoesNotExist
from django.utils._os import safe_join
def get_template_sources(template_name, template_dirs=None):
if not template_dirs:
template_dirs = settings.TEMPLATE_DIRS
for template_dir in template_dirs:
try:
yield safe_join(template_dir, template_name)
except ValueError:
# The joined path was located outside of template_dir.
pass
def load_template_source(template_name, template_dirs=None):
tried = []
for filepath in get_template_sources(template_name, template_dirs):
try:
return (open(filepath).read().decode(settings.FILE_CHARSET), filepath)
except IOError:
tried.append(filepath)
if tried:
error_msg = "Tried %s" % tried
else:
error_msg = "Your TEMPLATE_DIRS setting is empty. Change it to point to at least one template directory."
raise TemplateDoesNotExist, error_msg
load_template_source.is_usable = True