36 lines
1.2 KiB
Python
36 lines
1.2 KiB
Python
# Wrapper for loading templates from eggs via pkg_resources.resource_string.
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from __future__ import unicode_literals
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try:
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from pkg_resources import resource_string
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except ImportError:
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resource_string = None
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from django.apps import apps
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from django.conf import settings
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from django.template.base import TemplateDoesNotExist
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from django.template.loader import BaseLoader
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from django.utils import six
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class Loader(BaseLoader):
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is_usable = resource_string is not None
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def load_template_source(self, template_name, template_dirs=None):
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"""
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Loads templates from Python eggs via pkg_resource.resource_string.
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For every installed app, it tries to get the resource (app, template_name).
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"""
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if resource_string is not None:
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pkg_name = 'templates/' + template_name
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for app_config in apps.get_app_configs():
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try:
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resource = resource_string(app_config.name, pkg_name)
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except Exception:
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continue
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if six.PY2:
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resource = resource.decode(settings.FILE_CHARSET)
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return (resource, 'egg:%s:%s' % (app_config.name, pkg_name))
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raise TemplateDoesNotExist(template_name)
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