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100 lines
3.1 KiB
Python
100 lines
3.1 KiB
Python
5 years ago
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# Copyright 2018 Red Hat, Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import os.path
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from six.moves import configparser
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from sphinx.util import logging
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import pbr.version
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_project = None
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logger = logging.getLogger(__name__)
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def _find_setup_cfg(srcdir):
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"""Find the 'setup.cfg' file, if it exists.
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This assumes we're using 'doc/source' for documentation, but also allows
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for single level 'doc' paths.
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"""
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# TODO(stephenfin): Are we sure that this will always exist, e.g. for
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# an sdist or wheel? Perhaps we should check for 'PKG-INFO' or
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# 'METADATA' files, a la 'pbr.packaging._get_version_from_pkg_metadata'
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for path in [
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os.path.join(srcdir, os.pardir, 'setup.cfg'),
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os.path.join(srcdir, os.pardir, os.pardir, 'setup.cfg')]:
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if os.path.exists(path):
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return path
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return None
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def _get_project_name(srcdir):
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"""Return string name of project name, or None.
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This extracts metadata from 'setup.cfg'. We don't rely on
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distutils/setuptools as we don't want to actually install the package
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simply to build docs.
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"""
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global _project
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if _project is None:
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parser = configparser.ConfigParser()
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path = _find_setup_cfg(srcdir)
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if not path or not parser.read(path):
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logger.info('Could not find a setup.cfg to extract project name '
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'from')
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return None
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try:
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# for project name we use the name in setup.cfg, but if the
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# length is longer then 32 we use summary. Otherwise thAe
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# menu rendering looks brolen
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project = parser.get('metadata', 'name')
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if len(project.split()) == 1 and len(project) > 32:
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project = parser.get('metadata', 'summary')
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except configparser.Error:
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logger.info('Could not extract project metadata from setup.cfg')
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return None
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_project = project
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return _project
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def _builder_inited(app):
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# TODO(stephenfin): Once Sphinx 1.8 is released, we should move the below
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# to a 'config-inited' handler
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project_name = _get_project_name(app.srcdir)
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try:
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version_info = pbr.version.VersionInfo(project_name)
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except Exception:
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version_info = None
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if version_info and not app.config.version and not app.config.release:
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app.config.version = version_info.canonical_version_string()
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app.config.release = version_info.version_string_with_vcs()
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def setup(app):
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app.connect('builder-inited', _builder_inited)
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return {
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'parallel_read_safe': True,
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'parallel_write_safe': True,
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}
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