oslo.policy/oslo_policy/sphinxpolicygen.py
Sean McGinnis 9614f0d6df
Mark sphinx extensions thread safe
This adds the return of some metadata to our sphinx extension setup to
indicate they are thread safe. This is needed to allow consuming
projects to do multithreaded docs builds. In some cases, this can save a
noticeable amount of time in job execution.

Change-Id: I104271bc706fc33247548a147db0af05aa88737d
Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>
2020-04-13 08:58:54 -05:00

99 lines
3.4 KiB
Python

# Copyright 2015 Hewlett-Packard Development Company, L.P.
# Copyright 2016 Red Hat, Inc.
#
# 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.
"""Generate a sample policy file."""
import os
from oslo_config import cfg
from sphinx.util import logging
from oslo_policy import generator
LOG = logging.getLogger(__name__)
def generate_sample(app):
"""Generate a sample policy file."""
if not app.config.policy_generator_config_file:
LOG.warning("No policy_generator_config_file is specified, "
"skipping sample policy generation")
return
if isinstance(app.config.policy_generator_config_file, list):
for config_file, base_name in app.config.policy_generator_config_file:
if base_name is None:
base_name = _get_default_basename(config_file)
_generate_sample(app, config_file, base_name)
else:
_generate_sample(app,
app.config.policy_generator_config_file,
app.config.sample_policy_basename)
def _get_default_basename(config_file):
return os.path.splitext(os.path.basename(config_file))[0]
def _generate_sample(app, policy_file, base_name):
def info(msg):
LOG.info('[%s] %s' % (__name__, msg))
# If we are given a file that isn't an absolute path, look for it
# in the source directory if it doesn't exist.
candidates = [
policy_file,
os.path.join(app.srcdir, policy_file,),
]
for c in candidates:
if os.path.isfile(c):
info('reading config generator instructions from %s' % c)
config_path = c
break
else:
raise ValueError(
"Could not find policy_generator_config_file %r" %
app.config.policy_generator_config_file)
if base_name:
out_file = os.path.join(app.srcdir, base_name) + '.policy.yaml.sample'
if not os.path.isdir(os.path.dirname(os.path.abspath(out_file))):
os.mkdir(os.path.dirname(os.path.abspath(out_file)))
else:
file_name = 'sample.policy.yaml'
out_file = os.path.join(app.srcdir, file_name)
info('writing sample policy to %s' % out_file)
# NOTE(bnemec): We don't want to do cli parsing on the global object here
# because that can break consumers who do cli arg registration on import
# in their documented modules. It's not allowed to register a cli arg after
# the args have been parsed once.
conf = cfg.ConfigOpts()
generator.generate_sample(args=['--config-file', config_path,
'--output-file', out_file],
conf=conf)
def setup(app):
app.add_config_value('policy_generator_config_file', None, 'env')
app.add_config_value('sample_policy_basename', None, 'env')
app.connect('builder-inited', generate_sample)
return {
'parallel_read_safe': True,
'parallel_write_safe': True,
}