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Enso-Bot/venv/Lib/site-packages/django/template/loaders/base.py

50 lines
1.5 KiB
Python

from django.template import Template, TemplateDoesNotExist
class Loader:
def __init__(self, engine):
self.engine = engine
def get_template(self, template_name, skip=None):
"""
Call self.get_template_sources() and return a Template object for
the first template matching template_name. If skip is provided, ignore
template origins in skip. This is used to avoid recursion during
template extending.
"""
tried = []
for origin in self.get_template_sources(template_name):
if skip is not None and origin in skip:
tried.append((origin, 'Skipped'))
continue
try:
contents = self.get_contents(origin)
except TemplateDoesNotExist:
tried.append((origin, 'Source does not exist'))
continue
else:
return Template(
contents, origin, origin.template_name, self.engine,
)
raise TemplateDoesNotExist(template_name, tried=tried)
def get_template_sources(self, template_name):
"""
An iterator that yields possible matching template paths for a
template name.
"""
raise NotImplementedError(
'subclasses of Loader must provide a get_template_sources() method'
)
def reset(self):
"""
Reset any state maintained by the loader instance (e.g. cached
templates or cached loader modules).
"""
pass