/usr/lib/python2.7/dist-packages/horizon/loaders.py is in python-django-horizon 1:2014.1.5-0ubuntu2.1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | # Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""
Wrapper for loading templates from "templates" directories in panel modules.
"""
import os
from django.conf import settings
from django.template.base import TemplateDoesNotExist # noqa
from django.template.loader import BaseLoader # noqa
from django.utils._os import safe_join # noqa
# Set up a cache of the panel directories to search.
panel_template_dirs = {}
class TemplateLoader(BaseLoader):
is_usable = True
def get_template_sources(self, template_name):
bits = template_name.split(os.path.sep, 2)
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):
try:
with open(path) as file:
return (file.read().decode(settings.FILE_CHARSET), path)
except IOError:
pass
raise TemplateDoesNotExist(template_name)
_loader = TemplateLoader()
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