| """ |
| 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 |
