Source code for horizon.loaders

"""

import os

from django.conf import settings
from django.template.base import TemplateDoesNotExist
from django.template.loader import BaseLoader
from django.utils._os import safe_join

# Set up a cache of the panel directories to search.
panel_template_dirs = {}


class TemplateLoader(BaseLoader):
    is_usable = True
[docs] def get_template_sources(self, template_name): bits = template_name.split(os.path.sep, 2)
[docs] if len(bits) == 3: dash_name, panel_name, remainder = bits key = os.path.join(dash_name, panel_name) if key in panel_template_dirs: template_dir = panel_template_dirs[key] try: yield safe_join(template_dir, panel_name, remainder) except UnicodeDecodeError: # The template dir name wasn't valid UTF-8. raise except ValueError: # The joined path was located outside of template_dir. pass def load_template_source(self, template_name, template_dirs=None): for path in self.get_template_sources(template_name):
[docs] try: file = open(path) try: return (file.read().decode(settings.FILE_CHARSET), path) finally: file.close() except IOError: pass raise TemplateDoesNotExist(template_name) _loader = TemplateLoader()