keystoneauth/doc/ext/list_plugins.py
Sean McGinnis 87ca0d72fa Update sphinx extension logging
Sphinx 1.6 deprecated using the application object to perform logging
and it will be removed in the upcoming 2.0 release. This updates our
extensions to use the recommended sphinx.util.logging instead.

Change-Id: I3abce4e3c147befd0235820cb8850fe18f6dee42
Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>
2018-10-16 14:21:45 -05:00

92 lines
2.7 KiB
Python

# 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.
import inspect
from docutils import nodes
from docutils.parsers import rst
from docutils.parsers.rst import directives
from docutils.statemachine import ViewList
from sphinx.util import logging
from sphinx.util.nodes import nested_parse_with_titles
from stevedore import extension
LOG = logging.getLogger(__name__)
class ListAuthPluginsDirective(rst.Directive):
"""Present a simple list of the plugins in a namespace."""
option_spec = {
'class': directives.class_option,
'overline-style': directives.single_char_or_unicode,
'underline-style': directives.single_char_or_unicode,
}
has_content = True
def report_load_failure(mgr, ep, err):
LOG.warning(u'Failed to load %s: %s' % (ep.module_name, err))
def display_plugin(self, ext):
overline_style = self.options.get('overline-style', '')
underline_style = self.options.get('underline-style', '=')
if overline_style:
yield overline_style * len(ext.name)
yield ext.name
if underline_style:
yield underline_style * len(ext.name)
yield "\n"
doc = inspect.getdoc(ext.obj)
if doc:
yield doc
yield "\n"
yield "------"
yield "\n"
for opt in ext.obj.get_options():
yield ":%s: %s" % (opt.name, opt.help)
yield "\n"
def run(self):
mgr = extension.ExtensionManager(
'keystoneauth1.plugin',
on_load_failure_callback=self.report_load_failure,
invoke_on_load=True,
)
result = ViewList()
for name in sorted(mgr.names()):
for line in self.display_plugin(mgr[name]):
for l in line.splitlines():
result.append(l, mgr[name].entry_point.module_name)
# Parse what we have into a new section.
node = nodes.section()
node.document = self.state.document
nested_parse_with_titles(self.state, result, node)
return node.children
def setup(app):
LOG.info('loading keystoneauth1 plugins')
app.add_directive('list-auth-plugins', ListAuthPluginsDirective)