Remote Template Loader for Django

remotetemplateloader.py

from urllib.request import urlopen

from django.conf import settings
from django.template import Origin, TemplateDoesNotExist
from django.template.loaders.base import Loader as BaseLoader
from django.utils.module_loading import import_string


class Loader(BaseLoader):

    def get_contents(self, origin):
        remote_template_settings = settings.REMOTETEMPLATELOADER_TEMPLATES
        template_settings = remote_template_settings[origin.template_name]
        resource = urlopen(origin.name)
        encoding = resource.headers.get_content_charset()
        if encoding is None:
            encoding = 'utf-8'
        page = resource.read().decode(encoding)
        #file('/tmp/page.html', 'wb').write(page)
        #page = file('/tmp/page.html', 'rb').read()
        try:
            templatifier = template_settings['templatifier']
        except KeyError:
            pass
        else:
            templatify = import_string(templatifier)
            page = templatify(page)
        return page

    def get_template_sources(self, template_name, template_dirs=None):
        remote_template_settings = settings.REMOTETEMPLATELOADER_TEMPLATES
        try:
            template_settings = remote_template_settings[template_name]
        except KeyError:
            return
        for url in template_settings['urls']:
            yield Origin(name=url, template_name=template_name, loader=self)