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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