Mypal/tools/docs/moztreedocs/__init__.py

127 lines
4.4 KiB
Python

# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, # You can obtain one at http://mozilla.org/MPL/2.0/.
from __future__ import unicode_literals
import os
from mozbuild.frontend.reader import BuildReader
from mozpack.copier import FileCopier
from mozpack.files import FileFinder
from mozpack.manifests import InstallManifest
import sphinx
import sphinx.apidoc
class SphinxManager(object):
"""Manages the generation of Sphinx documentation for the tree."""
def __init__(self, topsrcdir, main_path, output_dir):
self._topsrcdir = topsrcdir
self._output_dir = output_dir
self._docs_dir = os.path.join(output_dir, '_staging')
self._conf_py_path = os.path.join(main_path, 'conf.py')
self._index_path = os.path.join(main_path, 'index.rst')
self._trees = {}
self._python_package_dirs = set()
def read_build_config(self):
"""Read the active build config and add docs to this instance."""
# Reading the Sphinx variables doesn't require a full build context.
# Only define the parts we need.
class fakeconfig(object):
def __init__(self, topsrcdir):
self.topsrcdir = topsrcdir
config = fakeconfig(self._topsrcdir)
reader = BuildReader(config)
for path, name, key, value in reader.find_sphinx_variables():
reldir = os.path.dirname(path)
if name == 'SPHINX_TREES':
assert key
self.add_tree(os.path.join(reldir, value),
os.path.join(reldir, key))
if name == 'SPHINX_PYTHON_PACKAGE_DIRS':
self.add_python_package_dir(os.path.join(reldir, value))
def add_tree(self, source_dir, dest_dir):
"""Add a directory from where docs should be sourced."""
if dest_dir in self._trees:
raise Exception('%s has already been registered as a destination.'
% dest_dir)
self._trees[dest_dir] = source_dir
def add_python_package_dir(self, source_dir):
"""Add a directory containing Python packages.
Added directories will have Python API docs generated automatically.
"""
self._python_package_dirs.add(source_dir)
def generate_docs(self, app):
"""Generate/stage documentation."""
app.info('Reading Sphinx metadata from build configuration')
self.read_build_config()
app.info('Staging static documentation')
self._synchronize_docs()
app.info('Generating Python API documentation')
self._generate_python_api_docs()
def _generate_python_api_docs(self):
"""Generate Python API doc files."""
out_dir = os.path.join(self._docs_dir, 'python')
base_args = ['sphinx', '--no-toc', '-o', out_dir]
for p in sorted(self._python_package_dirs):
full = os.path.join(self._topsrcdir, p)
finder = FileFinder(full, find_executables=False)
dirs = {os.path.dirname(f[0]) for f in finder.find('**')}
excludes = {d for d in dirs if d.endswith('test')}
args = list(base_args)
args.append(full)
args.extend(excludes)
sphinx.apidoc.main(args)
def _synchronize_docs(self):
m = InstallManifest()
m.add_symlink(self._conf_py_path, 'conf.py')
for dest, source in sorted(self._trees.items()):
source_dir = os.path.join(self._topsrcdir, source)
for root, dirs, files in os.walk(source_dir):
for f in files:
source_path = os.path.join(root, f)
rel_source = source_path[len(source_dir) + 1:]
m.add_symlink(source_path, os.path.join(dest, rel_source))
copier = FileCopier()
m.populate_registry(copier)
copier.copy(self._docs_dir)
with open(self._index_path, 'rb') as fh:
data = fh.read()
indexes = ['%s/index' % p for p in sorted(self._trees.keys())]
indexes = '\n '.join(indexes)
packages = [os.path.basename(p) for p in self._python_package_dirs]
packages = ['python/%s' % p for p in packages]
packages = '\n '.join(sorted(packages))
data = data.format(indexes=indexes, python_packages=packages)
with open(os.path.join(self._docs_dir, 'index.rst'), 'wb') as fh:
fh.write(data)