| """ |
| Wrapper for loading templates from the filesystem. |
| """ |
|
|
| from django.core.exceptions import SuspiciousFileOperation |
| from django.template import Origin, TemplateDoesNotExist |
| from django.utils._os import safe_join |
|
|
| from .base import Loader as BaseLoader |
|
|
|
|
| class Loader(BaseLoader): |
| def __init__(self, engine, dirs=None): |
| super().__init__(engine) |
| self.dirs = dirs |
|
|
| def get_dirs(self): |
| return self.dirs if self.dirs is not None else self.engine.dirs |
|
|
| def get_contents(self, origin): |
| try: |
| with open(origin.name, encoding=self.engine.file_charset) as fp: |
| return fp.read() |
| except FileNotFoundError: |
| raise TemplateDoesNotExist(origin) |
|
|
| def get_template_sources(self, template_name): |
| """ |
| Return an Origin object pointing to an absolute path in each directory |
| in template_dirs. For security reasons, if a path doesn't lie inside |
| one of the template_dirs it is excluded from the result set. |
| """ |
| for template_dir in self.get_dirs(): |
| try: |
| name = safe_join(template_dir, template_name) |
| except SuspiciousFileOperation: |
| |
| |
| continue |
|
|
| yield Origin( |
| name=name, |
| template_name=template_name, |
| loader=self, |
| ) |
|
|
