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- """
- 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:
- # The joined path was located outside of this template_dir
- # (it might be inside another one, so this isn't fatal).
- continue
-
- yield Origin(
- name=name,
- template_name=template_name,
- loader=self,
- )
|
