murano-dashboard/libs/djblets/djblets/extensions/loaders.py

51 lines
2.0 KiB
Python

#
# loaders.py -- Loaders for extension data.
#
# Copyright (c) 2010-2011 Beanbag, Inc.
# Copyright (c) 2008-2010 Christian Hammond
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
from pkg_resources import _manager as manager
from django.template import TemplateDoesNotExist
from djblets.extensions.base import get_extension_managers
def load_template_source(template_name, template_dirs=None):
"""Loads templates from enabled extensions."""
if manager:
resource = "templates/" + template_name
for extmgr in get_extension_managers():
for ext in extmgr.get_enabled_extensions():
package = ext.info.app_name
try:
return (manager.resource_string(package, resource),
'extension:%s:%s ' % (package, resource))
except Exception:
pass
raise TemplateDoesNotExist, template_name
load_template_source.is_usable = manager is not None