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# Copyright 2011 OpenStack Foundation
# Copyright 2012-2013 Hewlett-Packard Development Company, L.P.
# All Rights Reserved.
#
# 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.
from distutils import log
import fnmatch
import os
import sys
try:
import cStringIO
except ImportError:
import io as cStringIO
try:
from sphinx import apidoc
from sphinx import application
from sphinx import setup_command
except Exception as e:
# NOTE(dhellmann): During the installation of docutils, setuptools
# tries to import pbr code to find the egg_info.writer hooks. That
# imports this module, which imports sphinx, which imports
# docutils, which is being installed. Because docutils uses 2to3
# to convert its code during installation under python 3, the
# import fails, but it fails with an error other than ImportError
# (today it's a NameError on StandardError, an exception base
# class). Convert the exception type here so it can be caught in
# packaging.py where we try to determine if we can import and use
# sphinx by importing this module. See bug #1403510 for details.
raise ImportError(str(e))
from pbr import git
from pbr import options
_rst_template = """%(heading)s
%(underline)s
.. automodule:: %(module)s
:members:
:undoc-members:
:show-inheritance:
"""
def _find_modules(arg, dirname, files):
for filename in files:
if filename.endswith('.py') and filename != '__init__.py':
arg["%s.%s" % (dirname.replace('/', '.'),
filename[:-3])] = True
class LocalBuildDoc(setup_command.BuildDoc):
builders = ['html']
command_name = 'build_sphinx'
sphinx_initialized = False
def _get_source_dir(self):
option_dict = self.distribution.get_option_dict('build_sphinx')
pbr_option_dict = self.distribution.get_option_dict('pbr')
_, api_doc_dir = pbr_option_dict.get('api_doc_dir', (None, 'api'))
if 'source_dir' in option_dict:
source_dir = os.path.join(option_dict['source_dir'][1],
api_doc_dir)
else:
source_dir = 'doc/source/' + api_doc_dir
if not os.path.exists(source_dir):
os.makedirs(source_dir)
return source_dir
def generate_autoindex(self, excluded_modules=None):
log.info("[pbr] Autodocumenting from %s"
% os.path.abspath(os.curdir))
modules = {}
source_dir = self._get_source_dir()
for pkg in self.distribution.packages:
if '.' not in pkg:
for dirpath, dirnames, files in os.walk(pkg):
_find_modules(modules, dirpath, files)
def include(module):
return not any(fnmatch.fnmatch(module, pat)
for pat in excluded_modules)
module_list = sorted(mod for mod in modules.keys() if include(mod))
autoindex_filename = os.path.join(source_dir, 'autoindex.rst')
with open(autoindex_filename, 'w') as autoindex:
autoindex.write(""".. toctree::
:maxdepth: 1
""")
for module in module_list:
output_filename = os.path.join(source_dir,
"%s.rst" % module)
heading = "The :mod:`%s` Module" % module
underline = "=" * len(heading)
values = dict(module=module, heading=heading,
underline=underline)
log.info("[pbr] Generating %s"
% output_filename)
with open(output_filename, 'w') as output_file:
output_file.write(_rst_template % values)
autoindex.write(" %s.rst\n" % module)
def _sphinx_tree(self):
source_dir = self._get_source_dir()
cmd = ['apidoc', '.', '-H', 'Modules', '-o', source_dir]
apidoc.main(cmd + self.autodoc_tree_excludes)
def _sphinx_run(self):
if not self.verbose:
status_stream = cStringIO.StringIO()
else:
status_stream = sys.stdout
confoverrides = {}
if self.project:
confoverrides['project'] = self.project
if self.version:
confoverrides['version'] = self.version
if self.release:
confoverrides['release'] = self.release
if self.today:
confoverrides['today'] = self.today
if self.sphinx_initialized:
confoverrides['suppress_warnings'] = [
'app.add_directive', 'app.add_role',
'app.add_generic_role', 'app.add_node',
'image.nonlocal_uri',
]
app = application.Sphinx(
self.source_dir, self.config_dir,
self.builder_target_dir, self.doctree_dir,
self.builder, confoverrides, status_stream,
freshenv=self.fresh_env, warningiserror=self.warning_is_error)
self.sphinx_initialized = True
try:
app.build(force_all=self.all_files)
except Exception as err:
from docutils import utils
if isinstance(err, utils.SystemMessage):
sys.stder.write('reST markup error:\n')
sys.stderr.write(err.args[0].encode('ascii',
'backslashreplace'))
sys.stderr.write('\n')
else:
raise
if self.link_index:
src = app.config.master_doc + app.builder.out_suffix
dst = app.builder.get_outfilename('index')
os.symlink(src, dst)
def run(self):
option_dict = self.distribution.get_option_dict('pbr')
if git._git_is_installed():
git.write_git_changelog(option_dict=option_dict)
git.generate_authors(option_dict=option_dict)
tree_index = options.get_boolean_option(option_dict,
'autodoc_tree_index_modules',
'AUTODOC_TREE_INDEX_MODULES')
auto_index = options.get_boolean_option(option_dict,
'autodoc_index_modules',
'AUTODOC_INDEX_MODULES')
if not os.getenv('SPHINX_DEBUG'):
# NOTE(afazekas): These options can be used together,
# but they do a very similar thing in a different way
if tree_index:
self._sphinx_tree()
if auto_index:
self.generate_autoindex(
set(option_dict.get(
"autodoc_exclude_modules",
[None, ""])[1].split()))
# TODO(stephenfin): Deprecate this functionality once we depend on
# Sphinx 1.6, which includes a similar feature, in g-r
# https://github.com/sphinx-doc/sphinx/pull/3476
self.finalize_options()
if hasattr(self, "builder_target_dirs"):
# Sphinx >= 1.6.1
return setup_command.BuildDoc.run(self)
# Sphinx < 1.6
for builder in self.builders:
self.builder = builder
self.finalize_options()
self._sphinx_run()
def initialize_options(self):
# Not a new style class, super keyword does not work.
setup_command.BuildDoc.initialize_options(self)
# NOTE(dstanek): exclude setup.py from the autodoc tree index
# builds because all projects will have an issue with it
self.autodoc_tree_excludes = ['setup.py']
def finalize_options(self):
# Not a new style class, super keyword does not work.
setup_command.BuildDoc.finalize_options(self)
# Handle builder option from command line - override cfg
option_dict = self.distribution.get_option_dict('build_sphinx')
if 'command line' in option_dict.get('builder', [[]])[0]:
self.builders = option_dict['builder'][1]
# Allow builders to be configurable - as a comma separated list.
if not isinstance(self.builders, list) and self.builders:
self.builders = self.builders.split(',')
self.project = self.distribution.get_name()
self.version = self.distribution.get_version()
self.release = self.distribution.get_version()
# NOTE(dstanek): check for autodoc tree exclusion overrides
# in the setup.cfg
opt = 'autodoc_tree_excludes'
option_dict = self.distribution.get_option_dict('pbr')
if opt in option_dict:
self.autodoc_tree_excludes = option_dict[opt][1]
self.ensure_string_list(opt)
# handle Sphinx < 1.5.0
if not hasattr(self, 'warning_is_error'):
self.warning_is_error = False
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