sphinx/sphinx/ext/apidoc.py
2018-01-01 01:10:10 +09:00

445 lines
17 KiB
Python

# -*- coding: utf-8 -*-
"""
sphinx.ext.apidoc
~~~~~~~~~~~~~~~~~
Parses a directory tree looking for Python modules and packages and creates
ReST files appropriately to create code documentation with Sphinx. It also
creates a modules index (named modules.<suffix>).
This is derived from the "sphinx-autopackage" script, which is:
Copyright 2008 Société des arts technologiques (SAT),
http://www.sat.qc.ca/
:copyright: Copyright 2007-2018 by the Sphinx team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
from __future__ import print_function
import argparse
import os
import sys
from os import path
from six import binary_type
from fnmatch import fnmatch
from sphinx import __display_version__
from sphinx.cmd.quickstart import EXTENSIONS
from sphinx.util import rst
from sphinx.util.osutil import FileAvoidWrite, ensuredir, walk
if False:
# For type annotation
from typing import Any, List, Tuple # NOQA
# automodule options
if 'SPHINX_APIDOC_OPTIONS' in os.environ:
OPTIONS = os.environ['SPHINX_APIDOC_OPTIONS'].split(',')
else:
OPTIONS = [
'members',
'undoc-members',
# 'inherited-members', # disabled because there's a bug in sphinx
'show-inheritance',
]
INITPY = '__init__.py'
PY_SUFFIXES = set(['.py', '.pyx'])
def makename(package, module):
# type: (unicode, unicode) -> unicode
"""Join package and module with a dot."""
# Both package and module can be None/empty.
if package:
name = package
if module:
name += '.' + module
else:
name = module
return name
def write_file(name, text, opts):
# type: (unicode, unicode, Any) -> None
"""Write the output file for module/package <name>."""
fname = path.join(opts.destdir, '%s.%s' % (name, opts.suffix))
if opts.dryrun:
print('Would create file %s.' % fname)
return
if not opts.force and path.isfile(fname):
print('File %s already exists, skipping.' % fname)
else:
print('Creating file %s.' % fname)
with FileAvoidWrite(fname) as f:
f.write(text)
def format_heading(level, text, escape=True):
# type: (int, unicode, bool) -> unicode
"""Create a heading of <level> [1, 2 or 3 supported]."""
if escape:
text = rst.escape(text)
underlining = ['=', '-', '~', ][level - 1] * len(text)
return '%s\n%s\n\n' % (text, underlining)
def format_directive(module, package=None):
# type: (unicode, unicode) -> unicode
"""Create the automodule directive and add the options."""
directive = '.. automodule:: %s\n' % makename(package, module)
for option in OPTIONS:
directive += ' :%s:\n' % option
return directive
def create_module_file(package, module, opts):
# type: (unicode, unicode, Any) -> None
"""Build the text of the file and write the file."""
if not opts.noheadings:
text = format_heading(1, '%s module' % module)
else:
text = ''
# text += format_heading(2, ':mod:`%s` Module' % module)
text += format_directive(module, package)
write_file(makename(package, module), text, opts)
def create_package_file(root, master_package, subroot, py_files, opts, subs, is_namespace):
# type: (unicode, unicode, unicode, List[unicode], Any, List[unicode], bool) -> None
"""Build the text of the file and write the file."""
text = format_heading(1, ('%s package' if not is_namespace else "%s namespace")
% makename(master_package, subroot))
if opts.modulefirst and not is_namespace:
text += format_directive(subroot, master_package)
text += '\n'
# build a list of directories that are szvpackages (contain an INITPY file)
subs = [sub for sub in subs if path.isfile(path.join(root, sub, INITPY))]
# if there are some package directories, add a TOC for theses subpackages
if subs:
text += format_heading(2, 'Subpackages')
text += '.. toctree::\n\n'
for sub in subs:
text += ' %s.%s\n' % (makename(master_package, subroot), sub)
text += '\n'
submods = [path.splitext(sub)[0] for sub in py_files
if not shall_skip(path.join(root, sub), opts) and
sub != INITPY]
if submods:
text += format_heading(2, 'Submodules')
if opts.separatemodules:
text += '.. toctree::\n\n'
for submod in submods:
modfile = makename(master_package, makename(subroot, submod))
text += ' %s\n' % modfile
# generate separate file for this module
if not opts.noheadings:
filetext = format_heading(1, '%s module' % modfile)
else:
filetext = ''
filetext += format_directive(makename(subroot, submod),
master_package)
write_file(modfile, filetext, opts)
else:
for submod in submods:
modfile = makename(master_package, makename(subroot, submod))
if not opts.noheadings:
text += format_heading(2, '%s module' % modfile)
text += format_directive(makename(subroot, submod),
master_package)
text += '\n'
text += '\n'
if not opts.modulefirst and not is_namespace:
text += format_heading(2, 'Module contents')
text += format_directive(subroot, master_package)
write_file(makename(master_package, subroot), text, opts)
def create_modules_toc_file(modules, opts, name='modules'):
# type: (List[unicode], Any, unicode) -> None
"""Create the module's index."""
text = format_heading(1, '%s' % opts.header, escape=False)
text += '.. toctree::\n'
text += ' :maxdepth: %s\n\n' % opts.maxdepth
modules.sort()
prev_module = '' # type: unicode
for module in modules:
# look if the module is a subpackage and, if yes, ignore it
if module.startswith(prev_module + '.'):
continue
prev_module = module
text += ' %s\n' % module
write_file(name, text, opts)
def shall_skip(module, opts):
# type: (unicode, Any) -> bool
"""Check if we want to skip this module."""
# skip if the file doesn't exist and not using implicit namespaces
if not opts.implicit_namespaces and not path.exists(module):
return True
# skip it if there is nothing (or just \n or \r\n) in the file
if path.exists(module) and path.getsize(module) <= 2:
return True
# skip if it has a "private" name and this is selected
filename = path.basename(module)
if filename != '__init__.py' and filename.startswith('_') and \
not opts.includeprivate:
return True
return False
def recurse_tree(rootpath, excludes, opts):
# type: (unicode, List[unicode], Any) -> List[unicode]
"""
Look for every file in the directory tree and create the corresponding
ReST files.
"""
followlinks = getattr(opts, 'followlinks', False)
includeprivate = getattr(opts, 'includeprivate', False)
implicit_namespaces = getattr(opts, 'implicit_namespaces', False)
# check if the base directory is a package and get its name
if INITPY in os.listdir(rootpath) or implicit_namespaces:
root_package = rootpath.split(path.sep)[-1]
else:
# otherwise, the base is a directory with packages
root_package = None
toplevels = []
for root, subs, files in walk(rootpath, followlinks=followlinks):
# document only Python module files (that aren't excluded)
py_files = sorted(f for f in files
if path.splitext(f)[1] in PY_SUFFIXES and
not is_excluded(path.join(root, f), excludes))
is_pkg = INITPY in py_files
is_namespace = INITPY not in py_files and implicit_namespaces
if is_pkg:
py_files.remove(INITPY)
py_files.insert(0, INITPY)
elif root != rootpath:
# only accept non-package at toplevel unless using implicit namespaces
if not implicit_namespaces:
del subs[:]
continue
# remove hidden ('.') and private ('_') directories, as well as
# excluded dirs
if includeprivate:
exclude_prefixes = ('.',) # type: Tuple[unicode, ...]
else:
exclude_prefixes = ('.', '_')
subs[:] = sorted(sub for sub in subs if not sub.startswith(exclude_prefixes) and
not is_excluded(path.join(root, sub), excludes))
if is_pkg or is_namespace:
# we are in a package with something to document
if subs or len(py_files) > 1 or not shall_skip(path.join(root, INITPY), opts):
subpackage = root[len(rootpath):].lstrip(path.sep).\
replace(path.sep, '.')
# if this is not a namespace or
# a namespace and there is something there to document
if not is_namespace or len(py_files) > 0:
create_package_file(root, root_package, subpackage,
py_files, opts, subs, is_namespace)
toplevels.append(makename(root_package, subpackage))
else:
# if we are at the root level, we don't require it to be a package
assert root == rootpath and root_package is None
for py_file in py_files:
if not shall_skip(path.join(rootpath, py_file), opts):
module = path.splitext(py_file)[0]
create_module_file(root_package, module, opts)
toplevels.append(module)
return toplevels
def is_excluded(root, excludes):
# type: (unicode, List[unicode]) -> bool
"""Check if the directory is in the exclude list.
Note: by having trailing slashes, we avoid common prefix issues, like
e.g. an exlude "foo" also accidentally excluding "foobar".
"""
for exclude in excludes:
if fnmatch(root, exclude):
return True
return False
def get_parser():
# type: () -> argparse.ArgumentParser
parser = argparse.ArgumentParser(
usage='usage: %(prog)s [OPTIONS] -o <OUTPUT_PATH> <MODULE_PATH> '
'[EXCLUDE_PATTERN, ...]',
epilog='For more information, visit <http://sphinx-doc.org/>.',
description="""
Look recursively in <MODULE_PATH> for Python modules and packages and create
one reST file with automodule directives per package in the <OUTPUT_PATH>.
The <EXCLUDE_PATTERN>s can be file and/or directory patterns that will be
excluded from generation.
Note: By default this script will not overwrite already created files.""")
parser.add_argument('--version', action='version', dest='show_version',
version='%%(prog)s %s' % __display_version__)
parser.add_argument('module_path',
help='path to module to document')
parser.add_argument('exclude_pattern', nargs='*',
help='fnmatch-style file and/or directory patterns '
'to exclude from generation')
parser.add_argument('-o', '--output-dir', action='store', dest='destdir',
required=True,
help='directory to place all output')
parser.add_argument('-d', '--maxdepth', action='store', dest='maxdepth',
type=int, default=4,
help='maximum depth of submodules to show in the TOC '
'(default: 4)')
parser.add_argument('-f', '--force', action='store_true', dest='force',
help='overwrite existing files')
parser.add_argument('-l', '--follow-links', action='store_true',
dest='followlinks', default=False,
help='follow symbolic links. Powerful when combined '
'with collective.recipe.omelette.')
parser.add_argument('-n', '--dry-run', action='store_true', dest='dryrun',
help='run the script without creating files')
parser.add_argument('-e', '--separate', action='store_true',
dest='separatemodules',
help='put documentation for each module on its own page')
parser.add_argument('-P', '--private', action='store_true',
dest='includeprivate',
help='include "_private" modules')
parser.add_argument('-T', '--no-toc', action='store_true', dest='notoc',
help="don't create a table of contents file")
parser.add_argument('-E', '--no-headings', action='store_true',
dest='noheadings',
help="don't create headings for the module/package "
"packages (e.g. when the docstrings already "
"contain them)")
parser.add_argument('-M', '--module-first', action='store_true',
dest='modulefirst',
help='put module documentation before submodule '
'documentation')
parser.add_argument('--implicit-namespaces', action='store_true',
dest='implicit_namespaces',
help='interpret module paths according to PEP-0420 '
'implicit namespaces specification')
parser.add_argument('-s', '--suffix', action='store', dest='suffix',
default='rst',
help='file suffix (default: rst)')
parser.add_argument('-F', '--full', action='store_true', dest='full',
help='generate a full project with sphinx-quickstart')
parser.add_argument('-a', '--append-syspath', action='store_true',
dest='append_syspath',
help='append module_path to sys.path, used when --full is given')
parser.add_argument('-H', '--doc-project', action='store', dest='header',
help='project name (default: root module name)')
parser.add_argument('-A', '--doc-author', action='store', dest='author',
help='project author(s), used when --full is given')
parser.add_argument('-V', '--doc-version', action='store', dest='version',
help='project version, used when --full is given')
parser.add_argument('-R', '--doc-release', action='store', dest='release',
help='project release, used when --full is given, '
'defaults to --doc-version')
group = parser.add_argument_group('extension options')
for ext in EXTENSIONS:
group.add_argument('--ext-%s' % ext, action='append_const',
const='sphinx.ext.%s' % ext, dest='extensions',
help='enable %s extension' % ext)
return parser
def main(argv=sys.argv[1:]):
# type: (List[str]) -> int
"""Parse and check the command line arguments."""
parser = get_parser()
args = parser.parse_args(argv)
rootpath = path.abspath(args.module_path)
# normalize opts
if args.header is None:
args.header = rootpath.split(path.sep)[-1]
if args.suffix.startswith('.'):
args.suffix = args.suffix[1:]
if not path.isdir(rootpath):
print('%s is not a directory.' % rootpath, file=sys.stderr)
sys.exit(1)
if not args.dryrun:
ensuredir(args.destdir)
excludes = [path.abspath(exclude) for exclude in args.exclude_pattern]
modules = recurse_tree(rootpath, excludes, args)
if args.full:
from sphinx.cmd import quickstart as qs
modules.sort()
prev_module = '' # type: unicode
text = ''
for module in modules:
if module.startswith(prev_module + '.'):
continue
prev_module = module
text += ' %s\n' % module
d = dict(
path = args.destdir,
sep = False,
dot = '_',
project = args.header,
author = args.author or 'Author',
version = args.version or '',
release = args.release or args.version or '',
suffix = '.' + args.suffix,
master = 'index',
epub = True,
extensions = ['sphinx.ext.autodoc', 'sphinx.ext.viewcode',
'sphinx.ext.todo'],
makefile = True,
batchfile = True,
make_mode = True,
mastertocmaxdepth = args.maxdepth,
mastertoctree = text,
language = 'en',
module_path = rootpath,
append_syspath = args.append_syspath,
)
if args.extensions:
d['extensions'].extend(args.extensions)
if isinstance(args.header, binary_type):
d['project'] = d['project'].decode('utf-8')
if isinstance(args.author, binary_type):
d['author'] = d['author'].decode('utf-8')
if isinstance(args.version, binary_type):
d['version'] = d['version'].decode('utf-8')
if isinstance(args.release, binary_type):
d['release'] = d['release'].decode('utf-8')
if not args.dryrun:
qs.generate(d, silent=True, overwrite=args.force)
elif not args.notoc:
create_modules_toc_file(modules, args)
return 0
# So program can be started with "python -m sphinx.apidoc ..."
if __name__ == "__main__":
main()