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2500 lines
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2500 lines
99 KiB
"""
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sphinx.ext.autodoc
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~~~~~~~~~~~~~~~~~~
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Automatically insert docstrings for functions, classes or whole modules into
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the doctree, thus avoiding duplication between docstrings and documentation
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for those who like elaborate docstrings.
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:copyright: Copyright 2007-2020 by the Sphinx team, see AUTHORS.
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:license: BSD, see LICENSE for details.
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"""
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import importlib
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import re
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import warnings
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from inspect import Parameter, Signature
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from types import ModuleType
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from typing import (Any, Callable, Dict, Iterator, List, Optional, Sequence, Set, Tuple, Type,
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TypeVar, Union)
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from docutils.statemachine import StringList
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import sphinx
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from sphinx.application import Sphinx
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from sphinx.config import ENUM, Config
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from sphinx.deprecation import (RemovedInSphinx40Warning, RemovedInSphinx50Warning,
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RemovedInSphinx60Warning)
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from sphinx.environment import BuildEnvironment
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from sphinx.ext.autodoc.importer import (get_class_members, get_module_members,
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get_object_members, import_object)
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from sphinx.ext.autodoc.mock import mock
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from sphinx.locale import _, __
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from sphinx.pycode import ModuleAnalyzer, PycodeError
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from sphinx.util import inspect, logging
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from sphinx.util.docstrings import extract_metadata, prepare_docstring
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from sphinx.util.inspect import (evaluate_signature, getdoc, object_description, safe_getattr,
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stringify_signature)
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from sphinx.util.typing import get_type_hints, restify
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from sphinx.util.typing import stringify as stringify_typehint
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if False:
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# For type annotation
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from typing import Type # NOQA # for python3.5.1
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from sphinx.ext.autodoc.directive import DocumenterBridge
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logger = logging.getLogger(__name__)
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# This type isn't exposed directly in any modules, but can be found
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# here in most Python versions
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MethodDescriptorType = type(type.__subclasses__)
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#: extended signature RE: with explicit module name separated by ::
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py_ext_sig_re = re.compile(
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r'''^ ([\w.]+::)? # explicit module name
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([\w.]+\.)? # module and/or class name(s)
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(\w+) \s* # thing name
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(?: \((.*)\) # optional: arguments
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(?:\s* -> \s* (.*))? # return annotation
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)? $ # and nothing more
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''', re.VERBOSE)
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special_member_re = re.compile(r'^__\S+__$')
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def identity(x: Any) -> Any:
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return x
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class _All:
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"""A special value for :*-members: that matches to any member."""
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def __contains__(self, item: Any) -> bool:
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return True
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class _Empty:
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"""A special value for :exclude-members: that never matches to any member."""
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def __contains__(self, item: Any) -> bool:
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return False
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ALL = _All()
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EMPTY = _Empty()
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UNINITIALIZED_ATTR = object()
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INSTANCEATTR = object()
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SLOTSATTR = object()
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def members_option(arg: Any) -> Union[object, List[str]]:
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"""Used to convert the :members: option to auto directives."""
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if arg is None or arg is True:
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return ALL
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elif arg is False:
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return None
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else:
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return [x.strip() for x in arg.split(',') if x.strip()]
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def members_set_option(arg: Any) -> Union[object, Set[str]]:
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"""Used to convert the :members: option to auto directives."""
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warnings.warn("members_set_option() is deprecated.",
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RemovedInSphinx50Warning, stacklevel=2)
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if arg is None:
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return ALL
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return {x.strip() for x in arg.split(',') if x.strip()}
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def exclude_members_option(arg: Any) -> Union[object, Set[str]]:
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"""Used to convert the :exclude-members: option."""
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if arg is None:
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return EMPTY
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return {x.strip() for x in arg.split(',') if x.strip()}
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def inherited_members_option(arg: Any) -> Union[object, Set[str]]:
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"""Used to convert the :members: option to auto directives."""
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if arg is None:
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return 'object'
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else:
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return arg
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def member_order_option(arg: Any) -> Optional[str]:
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"""Used to convert the :members: option to auto directives."""
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if arg is None:
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return None
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elif arg in ('alphabetical', 'bysource', 'groupwise'):
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return arg
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else:
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raise ValueError(__('invalid value for member-order option: %s') % arg)
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SUPPRESS = object()
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def annotation_option(arg: Any) -> Any:
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if arg is None:
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# suppress showing the representation of the object
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return SUPPRESS
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else:
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return arg
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def bool_option(arg: Any) -> bool:
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"""Used to convert flag options to auto directives. (Instead of
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directives.flag(), which returns None).
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"""
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return True
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def merge_special_members_option(options: Dict) -> None:
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"""Merge :special-members: option to :members: option."""
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warnings.warn("merge_special_members_option() is deprecated.",
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RemovedInSphinx50Warning, stacklevel=2)
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if 'special-members' in options and options['special-members'] is not ALL:
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if options.get('members') is ALL:
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pass
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elif options.get('members'):
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for member in options['special-members']:
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if member not in options['members']:
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options['members'].append(member)
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else:
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options['members'] = options['special-members']
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def merge_members_option(options: Dict) -> None:
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"""Merge :*-members: option to the :members: option."""
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if options.get('members') is ALL:
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# merging is not needed when members: ALL
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return
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members = options.setdefault('members', [])
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for key in {'private-members', 'special-members'}:
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if key in options and options[key] not in (ALL, None):
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for member in options[key]:
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if member not in members:
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members.append(member)
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# Some useful event listener factories for autodoc-process-docstring.
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def cut_lines(pre: int, post: int = 0, what: str = None) -> Callable:
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"""Return a listener that removes the first *pre* and last *post*
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lines of every docstring. If *what* is a sequence of strings,
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only docstrings of a type in *what* will be processed.
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Use like this (e.g. in the ``setup()`` function of :file:`conf.py`)::
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from sphinx.ext.autodoc import cut_lines
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app.connect('autodoc-process-docstring', cut_lines(4, what=['module']))
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This can (and should) be used in place of :confval:`automodule_skip_lines`.
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"""
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def process(app: Sphinx, what_: str, name: str, obj: Any, options: Any, lines: List[str]
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) -> None:
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if what and what_ not in what:
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return
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del lines[:pre]
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if post:
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# remove one trailing blank line.
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if lines and not lines[-1]:
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lines.pop(-1)
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del lines[-post:]
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# make sure there is a blank line at the end
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if lines and lines[-1]:
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lines.append('')
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return process
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def between(marker: str, what: Sequence[str] = None, keepempty: bool = False,
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exclude: bool = False) -> Callable:
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"""Return a listener that either keeps, or if *exclude* is True excludes,
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lines between lines that match the *marker* regular expression. If no line
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matches, the resulting docstring would be empty, so no change will be made
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unless *keepempty* is true.
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If *what* is a sequence of strings, only docstrings of a type in *what* will
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be processed.
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"""
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marker_re = re.compile(marker)
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def process(app: Sphinx, what_: str, name: str, obj: Any, options: Any, lines: List[str]
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) -> None:
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if what and what_ not in what:
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return
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deleted = 0
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delete = not exclude
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orig_lines = lines[:]
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for i, line in enumerate(orig_lines):
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if delete:
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lines.pop(i - deleted)
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deleted += 1
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if marker_re.match(line):
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delete = not delete
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if delete:
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lines.pop(i - deleted)
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deleted += 1
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if not lines and not keepempty:
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lines[:] = orig_lines
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# make sure there is a blank line at the end
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if lines and lines[-1]:
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lines.append('')
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return process
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# This class is used only in ``sphinx.ext.autodoc.directive``,
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# But we define this class here to keep compatibility (see #4538)
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class Options(dict):
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"""A dict/attribute hybrid that returns None on nonexisting keys."""
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def __getattr__(self, name: str) -> Any:
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try:
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return self[name.replace('_', '-')]
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except KeyError:
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return None
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class ObjectMember(tuple):
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"""A member of object.
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This is used for the result of `Documenter.get_object_members()` to
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represent each member of the object.
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.. Note::
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An instance of this class behaves as a tuple of (name, object)
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for compatibility to old Sphinx. The behavior will be dropped
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in the future. Therefore extensions should not use the tuple
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interface.
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"""
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def __new__(cls, name: str, obj: Any, **kwargs: Any) -> Any:
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return super().__new__(cls, (name, obj)) # type: ignore
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def __init__(self, name: str, obj: Any, docstring: Optional[str] = None,
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skipped: bool = False) -> None:
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self.__name__ = name
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self.object = obj
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self.docstring = docstring
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self.skipped = skipped
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ObjectMembers = Union[List[ObjectMember], List[Tuple[str, Any]]]
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class Documenter:
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"""
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A Documenter knows how to autodocument a single object type. When
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registered with the AutoDirective, it will be used to document objects
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of that type when needed by autodoc.
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Its *objtype* attribute selects what auto directive it is assigned to
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(the directive name is 'auto' + objtype), and what directive it generates
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by default, though that can be overridden by an attribute called
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*directivetype*.
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A Documenter has an *option_spec* that works like a docutils directive's;
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in fact, it will be used to parse an auto directive's options that matches
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the documenter.
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"""
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#: name by which the directive is called (auto...) and the default
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#: generated directive name
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objtype = 'object'
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#: indentation by which to indent the directive content
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content_indent = ' '
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#: priority if multiple documenters return True from can_document_member
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priority = 0
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#: order if autodoc_member_order is set to 'groupwise'
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member_order = 0
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#: true if the generated content may contain titles
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titles_allowed = False
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option_spec = {'noindex': bool_option} # type: Dict[str, Callable]
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def get_attr(self, obj: Any, name: str, *defargs: Any) -> Any:
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"""getattr() override for types such as Zope interfaces."""
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return autodoc_attrgetter(self.env.app, obj, name, *defargs)
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|
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@classmethod
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def can_document_member(cls, member: Any, membername: str, isattr: bool, parent: Any
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) -> bool:
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"""Called to see if a member can be documented by this documenter."""
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raise NotImplementedError('must be implemented in subclasses')
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def __init__(self, directive: "DocumenterBridge", name: str, indent: str = '') -> None:
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self.directive = directive
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self.config = directive.env.config
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|
self.env = directive.env # type: BuildEnvironment
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|
self.options = directive.genopt
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self.name = name
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self.indent = indent
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# the module and object path within the module, and the fully
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# qualified name (all set after resolve_name succeeds)
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self.modname = None # type: str
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self.module = None # type: ModuleType
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self.objpath = None # type: List[str]
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self.fullname = None # type: str
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|
# extra signature items (arguments and return annotation,
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|
# also set after resolve_name succeeds)
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self.args = None # type: str
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self.retann = None # type: str
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|
# the object to document (set after import_object succeeds)
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|
self.object = None # type: Any
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|
self.object_name = None # type: str
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|
# the parent/owner of the object to document
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|
self.parent = None # type: Any
|
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# the module analyzer to get at attribute docs, or None
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|
self.analyzer = None # type: ModuleAnalyzer
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|
|
|
@property
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def documenters(self) -> Dict[str, "Type[Documenter]"]:
|
|
"""Returns registered Documenter classes"""
|
|
return self.env.app.registry.documenters
|
|
|
|
def add_line(self, line: str, source: str, *lineno: int) -> None:
|
|
"""Append one line of generated reST to the output."""
|
|
if line.strip(): # not a blank line
|
|
self.directive.result.append(self.indent + line, source, *lineno)
|
|
else:
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self.directive.result.append('', source, *lineno)
|
|
|
|
def resolve_name(self, modname: str, parents: Any, path: str, base: Any
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|
) -> Tuple[str, List[str]]:
|
|
"""Resolve the module and name of the object to document given by the
|
|
arguments and the current module/class.
|
|
|
|
Must return a pair of the module name and a chain of attributes; for
|
|
example, it would return ``('zipfile', ['ZipFile', 'open'])`` for the
|
|
``zipfile.ZipFile.open`` method.
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|
"""
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|
raise NotImplementedError('must be implemented in subclasses')
|
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|
|
def parse_name(self) -> bool:
|
|
"""Determine what module to import and what attribute to document.
|
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|
Returns True and sets *self.modname*, *self.objpath*, *self.fullname*,
|
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*self.args* and *self.retann* if parsing and resolving was successful.
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"""
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# first, parse the definition -- auto directives for classes and
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# functions can contain a signature which is then used instead of
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# an autogenerated one
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|
try:
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|
explicit_modname, path, base, args, retann = \
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|
py_ext_sig_re.match(self.name).groups()
|
|
except AttributeError:
|
|
logger.warning(__('invalid signature for auto%s (%r)') % (self.objtype, self.name),
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|
type='autodoc')
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return False
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|
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|
# support explicit module and class name separation via ::
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|
if explicit_modname is not None:
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modname = explicit_modname[:-2]
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parents = path.rstrip('.').split('.') if path else []
|
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else:
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modname = None
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parents = []
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|
|
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with mock(self.config.autodoc_mock_imports):
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self.modname, self.objpath = self.resolve_name(modname, parents, path, base)
|
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|
|
if not self.modname:
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return False
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|
self.args = args
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|
self.retann = retann
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self.fullname = (self.modname or '') + \
|
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('.' + '.'.join(self.objpath) if self.objpath else '')
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return True
|
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|
|
def import_object(self, raiseerror: bool = False) -> bool:
|
|
"""Import the object given by *self.modname* and *self.objpath* and set
|
|
it as *self.object*.
|
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|
|
Returns True if successful, False if an error occurred.
|
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"""
|
|
with mock(self.config.autodoc_mock_imports):
|
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try:
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|
ret = import_object(self.modname, self.objpath, self.objtype,
|
|
attrgetter=self.get_attr,
|
|
warningiserror=self.config.autodoc_warningiserror)
|
|
self.module, self.parent, self.object_name, self.object = ret
|
|
return True
|
|
except ImportError as exc:
|
|
if raiseerror:
|
|
raise
|
|
else:
|
|
logger.warning(exc.args[0], type='autodoc', subtype='import_object')
|
|
self.env.note_reread()
|
|
return False
|
|
|
|
def get_real_modname(self) -> str:
|
|
"""Get the real module name of an object to document.
|
|
|
|
It can differ from the name of the module through which the object was
|
|
imported.
|
|
"""
|
|
return self.get_attr(self.object, '__module__', None) or self.modname
|
|
|
|
def check_module(self) -> bool:
|
|
"""Check if *self.object* is really defined in the module given by
|
|
*self.modname*.
|
|
"""
|
|
if self.options.imported_members:
|
|
return True
|
|
|
|
subject = inspect.unpartial(self.object)
|
|
modname = self.get_attr(subject, '__module__', None)
|
|
if modname and modname != self.modname:
|
|
return False
|
|
return True
|
|
|
|
def format_args(self, **kwargs: Any) -> str:
|
|
"""Format the argument signature of *self.object*.
|
|
|
|
Should return None if the object does not have a signature.
|
|
"""
|
|
return None
|
|
|
|
def format_name(self) -> str:
|
|
"""Format the name of *self.object*.
|
|
|
|
This normally should be something that can be parsed by the generated
|
|
directive, but doesn't need to be (Sphinx will display it unparsed
|
|
then).
|
|
"""
|
|
# normally the name doesn't contain the module (except for module
|
|
# directives of course)
|
|
return '.'.join(self.objpath) or self.modname
|
|
|
|
def _call_format_args(self, **kwargs: Any) -> str:
|
|
if kwargs:
|
|
try:
|
|
return self.format_args(**kwargs)
|
|
except TypeError:
|
|
# avoid chaining exceptions, by putting nothing here
|
|
pass
|
|
|
|
# retry without arguments for old documenters
|
|
return self.format_args()
|
|
|
|
def format_signature(self, **kwargs: Any) -> str:
|
|
"""Format the signature (arguments and return annotation) of the object.
|
|
|
|
Let the user process it via the ``autodoc-process-signature`` event.
|
|
"""
|
|
if self.args is not None:
|
|
# signature given explicitly
|
|
args = "(%s)" % self.args
|
|
retann = self.retann
|
|
else:
|
|
# try to introspect the signature
|
|
try:
|
|
retann = None
|
|
args = self._call_format_args(**kwargs)
|
|
if args:
|
|
matched = re.match(r'^(\(.*\))\s+->\s+(.*)$', args)
|
|
if matched:
|
|
args = matched.group(1)
|
|
retann = matched.group(2)
|
|
except Exception as exc:
|
|
logger.warning(__('error while formatting arguments for %s: %s'),
|
|
self.fullname, exc, type='autodoc')
|
|
args = None
|
|
|
|
result = self.env.events.emit_firstresult('autodoc-process-signature',
|
|
self.objtype, self.fullname,
|
|
self.object, self.options, args, retann)
|
|
if result:
|
|
args, retann = result
|
|
|
|
if args is not None:
|
|
return args + ((' -> %s' % retann) if retann else '')
|
|
else:
|
|
return ''
|
|
|
|
def add_directive_header(self, sig: str) -> None:
|
|
"""Add the directive header and options to the generated content."""
|
|
domain = getattr(self, 'domain', 'py')
|
|
directive = getattr(self, 'directivetype', self.objtype)
|
|
name = self.format_name()
|
|
sourcename = self.get_sourcename()
|
|
|
|
# one signature per line, indented by column
|
|
prefix = '.. %s:%s:: ' % (domain, directive)
|
|
for i, sig_line in enumerate(sig.split("\n")):
|
|
self.add_line('%s%s%s' % (prefix, name, sig_line),
|
|
sourcename)
|
|
if i == 0:
|
|
prefix = " " * len(prefix)
|
|
|
|
if self.options.noindex:
|
|
self.add_line(' :noindex:', sourcename)
|
|
if self.objpath:
|
|
# Be explicit about the module, this is necessary since .. class::
|
|
# etc. don't support a prepended module name
|
|
self.add_line(' :module: %s' % self.modname, sourcename)
|
|
|
|
def get_doc(self, encoding: str = None, ignore: int = None) -> List[List[str]]:
|
|
"""Decode and return lines of the docstring(s) for the object."""
|
|
if encoding is not None:
|
|
warnings.warn("The 'encoding' argument to autodoc.%s.get_doc() is deprecated."
|
|
% self.__class__.__name__,
|
|
RemovedInSphinx40Warning, stacklevel=2)
|
|
if ignore is not None:
|
|
warnings.warn("The 'ignore' argument to autodoc.%s.get_doc() is deprecated."
|
|
% self.__class__.__name__,
|
|
RemovedInSphinx50Warning, stacklevel=2)
|
|
docstring = getdoc(self.object, self.get_attr, self.config.autodoc_inherit_docstrings,
|
|
self.parent, self.object_name)
|
|
if docstring:
|
|
tab_width = self.directive.state.document.settings.tab_width
|
|
return [prepare_docstring(docstring, ignore, tab_width)]
|
|
return []
|
|
|
|
def process_doc(self, docstrings: List[List[str]]) -> Iterator[str]:
|
|
"""Let the user process the docstrings before adding them."""
|
|
for docstringlines in docstrings:
|
|
if self.env.app:
|
|
# let extensions preprocess docstrings
|
|
self.env.app.emit('autodoc-process-docstring',
|
|
self.objtype, self.fullname, self.object,
|
|
self.options, docstringlines)
|
|
|
|
if docstringlines and docstringlines[-1] != '':
|
|
# append a blank line to the end of the docstring
|
|
docstringlines.append('')
|
|
|
|
yield from docstringlines
|
|
|
|
def get_sourcename(self) -> str:
|
|
if (getattr(self.object, '__module__', None) and
|
|
getattr(self.object, '__qualname__', None)):
|
|
# Get the correct location of docstring from self.object
|
|
# to support inherited methods
|
|
fullname = '%s.%s' % (self.object.__module__, self.object.__qualname__)
|
|
else:
|
|
fullname = self.fullname
|
|
|
|
if self.analyzer:
|
|
return '%s:docstring of %s' % (self.analyzer.srcname, fullname)
|
|
else:
|
|
return 'docstring of %s' % fullname
|
|
|
|
def add_content(self, more_content: Optional[StringList], no_docstring: bool = False
|
|
) -> None:
|
|
"""Add content from docstrings, attribute documentation and user."""
|
|
if no_docstring:
|
|
warnings.warn("The 'no_docstring' argument to %s.add_content() is deprecated."
|
|
% self.__class__.__name__,
|
|
RemovedInSphinx50Warning, stacklevel=2)
|
|
|
|
# set sourcename and add content from attribute documentation
|
|
sourcename = self.get_sourcename()
|
|
if self.analyzer:
|
|
attr_docs = self.analyzer.find_attr_docs()
|
|
if self.objpath:
|
|
key = ('.'.join(self.objpath[:-1]), self.objpath[-1])
|
|
if key in attr_docs:
|
|
no_docstring = True
|
|
# make a copy of docstring for attributes to avoid cache
|
|
# the change of autodoc-process-docstring event.
|
|
docstrings = [list(attr_docs[key])]
|
|
|
|
for i, line in enumerate(self.process_doc(docstrings)):
|
|
self.add_line(line, sourcename, i)
|
|
|
|
# add content from docstrings
|
|
if not no_docstring:
|
|
docstrings = self.get_doc()
|
|
if not docstrings:
|
|
# append at least a dummy docstring, so that the event
|
|
# autodoc-process-docstring is fired and can add some
|
|
# content if desired
|
|
docstrings.append([])
|
|
for i, line in enumerate(self.process_doc(docstrings)):
|
|
self.add_line(line, sourcename, i)
|
|
|
|
# add additional content (e.g. from document), if present
|
|
if more_content:
|
|
for line, src in zip(more_content.data, more_content.items):
|
|
self.add_line(line, src[0], src[1])
|
|
|
|
def get_object_members(self, want_all: bool) -> Tuple[bool, ObjectMembers]:
|
|
"""Return `(members_check_module, members)` where `members` is a
|
|
list of `(membername, member)` pairs of the members of *self.object*.
|
|
|
|
If *want_all* is True, return all members. Else, only return those
|
|
members given by *self.options.members* (which may also be none).
|
|
"""
|
|
warnings.warn('The implementation of Documenter.get_object_members() will be '
|
|
'removed from Sphinx-6.0.', RemovedInSphinx60Warning)
|
|
members = get_object_members(self.object, self.objpath, self.get_attr, self.analyzer)
|
|
if not want_all:
|
|
if not self.options.members:
|
|
return False, [] # type: ignore
|
|
# specific members given
|
|
selected = []
|
|
for name in self.options.members: # type: str
|
|
if name in members:
|
|
selected.append((name, members[name].value))
|
|
else:
|
|
logger.warning(__('missing attribute %s in object %s') %
|
|
(name, self.fullname), type='autodoc')
|
|
return False, selected
|
|
elif self.options.inherited_members:
|
|
return False, [(m.name, m.value) for m in members.values()]
|
|
else:
|
|
return False, [(m.name, m.value) for m in members.values()
|
|
if m.directly_defined]
|
|
|
|
def filter_members(self, members: ObjectMembers, want_all: bool
|
|
) -> List[Tuple[str, Any, bool]]:
|
|
"""Filter the given member list.
|
|
|
|
Members are skipped if
|
|
|
|
- they are private (except if given explicitly or the private-members
|
|
option is set)
|
|
- they are special methods (except if given explicitly or the
|
|
special-members option is set)
|
|
- they are undocumented (except if the undoc-members option is set)
|
|
|
|
The user can override the skipping decision by connecting to the
|
|
``autodoc-skip-member`` event.
|
|
"""
|
|
def is_filtered_inherited_member(name: str) -> bool:
|
|
if inspect.isclass(self.object):
|
|
for cls in self.object.__mro__:
|
|
if cls.__name__ == self.options.inherited_members and cls != self.object:
|
|
# given member is a member of specified *super class*
|
|
return True
|
|
elif name in cls.__dict__:
|
|
return False
|
|
elif name in self.get_attr(cls, '__annotations__', {}):
|
|
return False
|
|
|
|
return False
|
|
|
|
ret = []
|
|
|
|
# search for members in source code too
|
|
namespace = '.'.join(self.objpath) # will be empty for modules
|
|
|
|
if self.analyzer:
|
|
attr_docs = self.analyzer.find_attr_docs()
|
|
else:
|
|
attr_docs = {}
|
|
|
|
# process members and determine which to skip
|
|
for obj in members:
|
|
membername, member = obj
|
|
# if isattr is True, the member is documented as an attribute
|
|
if member is INSTANCEATTR:
|
|
isattr = True
|
|
else:
|
|
isattr = False
|
|
|
|
doc = getdoc(member, self.get_attr, self.config.autodoc_inherit_docstrings,
|
|
self.parent, self.object_name)
|
|
if not isinstance(doc, str):
|
|
# Ignore non-string __doc__
|
|
doc = None
|
|
|
|
# if the member __doc__ is the same as self's __doc__, it's just
|
|
# inherited and therefore not the member's doc
|
|
cls = self.get_attr(member, '__class__', None)
|
|
if cls:
|
|
cls_doc = self.get_attr(cls, '__doc__', None)
|
|
if cls_doc == doc:
|
|
doc = None
|
|
|
|
if isinstance(obj, ObjectMember) and obj.docstring:
|
|
# hack for ClassDocumenter to inject docstring via ObjectMember
|
|
doc = obj.docstring
|
|
|
|
has_doc = bool(doc)
|
|
|
|
metadata = extract_metadata(doc)
|
|
if 'private' in metadata:
|
|
# consider a member private if docstring has "private" metadata
|
|
isprivate = True
|
|
elif 'public' in metadata:
|
|
# consider a member public if docstring has "public" metadata
|
|
isprivate = False
|
|
else:
|
|
isprivate = membername.startswith('_')
|
|
|
|
keep = False
|
|
if safe_getattr(member, '__sphinx_mock__', None) is not None:
|
|
# mocked module or object
|
|
pass
|
|
elif self.options.exclude_members and membername in self.options.exclude_members:
|
|
# remove members given by exclude-members
|
|
keep = False
|
|
elif want_all and special_member_re.match(membername):
|
|
# special __methods__
|
|
if self.options.special_members and membername in self.options.special_members:
|
|
if membername == '__doc__':
|
|
keep = False
|
|
elif is_filtered_inherited_member(membername):
|
|
keep = False
|
|
else:
|
|
keep = has_doc or self.options.undoc_members
|
|
else:
|
|
keep = False
|
|
elif (namespace, membername) in attr_docs:
|
|
if want_all and isprivate:
|
|
if self.options.private_members is None:
|
|
keep = False
|
|
else:
|
|
keep = membername in self.options.private_members
|
|
else:
|
|
# keep documented attributes
|
|
keep = True
|
|
isattr = True
|
|
elif want_all and isprivate:
|
|
if has_doc or self.options.undoc_members:
|
|
if self.options.private_members is None:
|
|
keep = False
|
|
elif is_filtered_inherited_member(membername):
|
|
keep = False
|
|
else:
|
|
keep = membername in self.options.private_members
|
|
else:
|
|
keep = False
|
|
else:
|
|
if self.options.members is ALL and is_filtered_inherited_member(membername):
|
|
keep = False
|
|
else:
|
|
# ignore undocumented members if :undoc-members: is not given
|
|
keep = has_doc or self.options.undoc_members
|
|
|
|
if isinstance(obj, ObjectMember) and obj.skipped:
|
|
# forcedly skipped member (ex. a module attribute not defined in __all__)
|
|
keep = False
|
|
|
|
# give the user a chance to decide whether this member
|
|
# should be skipped
|
|
if self.env.app:
|
|
# let extensions preprocess docstrings
|
|
try:
|
|
skip_user = self.env.app.emit_firstresult(
|
|
'autodoc-skip-member', self.objtype, membername, member,
|
|
not keep, self.options)
|
|
if skip_user is not None:
|
|
keep = not skip_user
|
|
except Exception as exc:
|
|
logger.warning(__('autodoc: failed to determine %r to be documented, '
|
|
'the following exception was raised:\n%s'),
|
|
member, exc, type='autodoc')
|
|
keep = False
|
|
|
|
if keep:
|
|
ret.append((membername, member, isattr))
|
|
|
|
return ret
|
|
|
|
def document_members(self, all_members: bool = False) -> None:
|
|
"""Generate reST for member documentation.
|
|
|
|
If *all_members* is True, do all members, else those given by
|
|
*self.options.members*.
|
|
"""
|
|
# set current namespace for finding members
|
|
self.env.temp_data['autodoc:module'] = self.modname
|
|
if self.objpath:
|
|
self.env.temp_data['autodoc:class'] = self.objpath[0]
|
|
|
|
want_all = all_members or self.options.inherited_members or \
|
|
self.options.members is ALL
|
|
# find out which members are documentable
|
|
members_check_module, members = self.get_object_members(want_all)
|
|
|
|
# document non-skipped members
|
|
memberdocumenters = [] # type: List[Tuple[Documenter, bool]]
|
|
for (mname, member, isattr) in self.filter_members(members, want_all):
|
|
classes = [cls for cls in self.documenters.values()
|
|
if cls.can_document_member(member, mname, isattr, self)]
|
|
if not classes:
|
|
# don't know how to document this member
|
|
continue
|
|
# prefer the documenter with the highest priority
|
|
classes.sort(key=lambda cls: cls.priority)
|
|
# give explicitly separated module name, so that members
|
|
# of inner classes can be documented
|
|
full_mname = self.modname + '::' + \
|
|
'.'.join(self.objpath + [mname])
|
|
documenter = classes[-1](self.directive, full_mname, self.indent)
|
|
memberdocumenters.append((documenter, isattr))
|
|
|
|
member_order = self.options.member_order or self.config.autodoc_member_order
|
|
memberdocumenters = self.sort_members(memberdocumenters, member_order)
|
|
|
|
for documenter, isattr in memberdocumenters:
|
|
documenter.generate(
|
|
all_members=True, real_modname=self.real_modname,
|
|
check_module=members_check_module and not isattr)
|
|
|
|
# reset current objects
|
|
self.env.temp_data['autodoc:module'] = None
|
|
self.env.temp_data['autodoc:class'] = None
|
|
|
|
def sort_members(self, documenters: List[Tuple["Documenter", bool]],
|
|
order: str) -> List[Tuple["Documenter", bool]]:
|
|
"""Sort the given member list."""
|
|
if order == 'groupwise':
|
|
# sort by group; alphabetically within groups
|
|
documenters.sort(key=lambda e: (e[0].member_order, e[0].name))
|
|
elif order == 'bysource':
|
|
if self.analyzer:
|
|
# sort by source order, by virtue of the module analyzer
|
|
tagorder = self.analyzer.tagorder
|
|
|
|
def keyfunc(entry: Tuple[Documenter, bool]) -> int:
|
|
fullname = entry[0].name.split('::')[1]
|
|
return tagorder.get(fullname, len(tagorder))
|
|
documenters.sort(key=keyfunc)
|
|
else:
|
|
# Assume that member discovery order matches source order.
|
|
# This is a reasonable assumption in Python 3.6 and up, where
|
|
# module.__dict__ is insertion-ordered.
|
|
pass
|
|
else: # alphabetical
|
|
documenters.sort(key=lambda e: e[0].name)
|
|
|
|
return documenters
|
|
|
|
def generate(self, more_content: Optional[StringList] = None, real_modname: str = None,
|
|
check_module: bool = False, all_members: bool = False) -> None:
|
|
"""Generate reST for the object given by *self.name*, and possibly for
|
|
its members.
|
|
|
|
If *more_content* is given, include that content. If *real_modname* is
|
|
given, use that module name to find attribute docs. If *check_module* is
|
|
True, only generate if the object is defined in the module name it is
|
|
imported from. If *all_members* is True, document all members.
|
|
"""
|
|
if not self.parse_name():
|
|
# need a module to import
|
|
logger.warning(
|
|
__('don\'t know which module to import for autodocumenting '
|
|
'%r (try placing a "module" or "currentmodule" directive '
|
|
'in the document, or giving an explicit module name)') %
|
|
self.name, type='autodoc')
|
|
return
|
|
|
|
# now, import the module and get object to document
|
|
if not self.import_object():
|
|
return
|
|
|
|
# If there is no real module defined, figure out which to use.
|
|
# The real module is used in the module analyzer to look up the module
|
|
# where the attribute documentation would actually be found in.
|
|
# This is used for situations where you have a module that collects the
|
|
# functions and classes of internal submodules.
|
|
guess_modname = self.get_real_modname()
|
|
self.real_modname = real_modname or guess_modname
|
|
|
|
# try to also get a source code analyzer for attribute docs
|
|
try:
|
|
self.analyzer = ModuleAnalyzer.for_module(self.real_modname)
|
|
# parse right now, to get PycodeErrors on parsing (results will
|
|
# be cached anyway)
|
|
self.analyzer.find_attr_docs()
|
|
except PycodeError as exc:
|
|
logger.debug('[autodoc] module analyzer failed: %s', exc)
|
|
# no source file -- e.g. for builtin and C modules
|
|
self.analyzer = None
|
|
# at least add the module.__file__ as a dependency
|
|
if hasattr(self.module, '__file__') and self.module.__file__:
|
|
self.directive.filename_set.add(self.module.__file__)
|
|
else:
|
|
self.directive.filename_set.add(self.analyzer.srcname)
|
|
|
|
if self.real_modname != guess_modname:
|
|
# Add module to dependency list if target object is defined in other module.
|
|
try:
|
|
analyzer = ModuleAnalyzer.for_module(guess_modname)
|
|
self.directive.filename_set.add(analyzer.srcname)
|
|
except PycodeError:
|
|
pass
|
|
|
|
# check __module__ of object (for members not given explicitly)
|
|
if check_module:
|
|
if not self.check_module():
|
|
return
|
|
|
|
sourcename = self.get_sourcename()
|
|
|
|
# make sure that the result starts with an empty line. This is
|
|
# necessary for some situations where another directive preprocesses
|
|
# reST and no starting newline is present
|
|
self.add_line('', sourcename)
|
|
|
|
# format the object's signature, if any
|
|
try:
|
|
sig = self.format_signature()
|
|
except Exception as exc:
|
|
logger.warning(__('error while formatting signature for %s: %s'),
|
|
self.fullname, exc, type='autodoc')
|
|
return
|
|
|
|
# generate the directive header and options, if applicable
|
|
self.add_directive_header(sig)
|
|
self.add_line('', sourcename)
|
|
|
|
# e.g. the module directive doesn't have content
|
|
self.indent += self.content_indent
|
|
|
|
# add all content (from docstrings, attribute docs etc.)
|
|
self.add_content(more_content)
|
|
|
|
# document members, if possible
|
|
self.document_members(all_members)
|
|
|
|
|
|
class ModuleDocumenter(Documenter):
|
|
"""
|
|
Specialized Documenter subclass for modules.
|
|
"""
|
|
objtype = 'module'
|
|
content_indent = ''
|
|
titles_allowed = True
|
|
|
|
option_spec = {
|
|
'members': members_option, 'undoc-members': bool_option,
|
|
'noindex': bool_option, 'inherited-members': inherited_members_option,
|
|
'show-inheritance': bool_option, 'synopsis': identity,
|
|
'platform': identity, 'deprecated': bool_option,
|
|
'member-order': member_order_option, 'exclude-members': exclude_members_option,
|
|
'private-members': members_option, 'special-members': members_option,
|
|
'imported-members': bool_option, 'ignore-module-all': bool_option
|
|
} # type: Dict[str, Callable]
|
|
|
|
def __init__(self, *args: Any) -> None:
|
|
super().__init__(*args)
|
|
merge_members_option(self.options)
|
|
self.__all__ = None # type: Optional[Sequence[str]]
|
|
|
|
@classmethod
|
|
def can_document_member(cls, member: Any, membername: str, isattr: bool, parent: Any
|
|
) -> bool:
|
|
# don't document submodules automatically
|
|
return False
|
|
|
|
def resolve_name(self, modname: str, parents: Any, path: str, base: Any
|
|
) -> Tuple[str, List[str]]:
|
|
if modname is not None:
|
|
logger.warning(__('"::" in automodule name doesn\'t make sense'),
|
|
type='autodoc')
|
|
return (path or '') + base, []
|
|
|
|
def parse_name(self) -> bool:
|
|
ret = super().parse_name()
|
|
if self.args or self.retann:
|
|
logger.warning(__('signature arguments or return annotation '
|
|
'given for automodule %s') % self.fullname,
|
|
type='autodoc')
|
|
return ret
|
|
|
|
def import_object(self, raiseerror: bool = False) -> bool:
|
|
ret = super().import_object(raiseerror)
|
|
|
|
try:
|
|
if not self.options.ignore_module_all:
|
|
self.__all__ = inspect.getall(self.object)
|
|
except AttributeError as exc:
|
|
# __all__ raises an error.
|
|
logger.warning(__('%s.__all__ raises an error. Ignored: %r'),
|
|
(self.fullname, exc), type='autodoc')
|
|
except ValueError as exc:
|
|
# invalid __all__ found.
|
|
logger.warning(__('__all__ should be a list of strings, not %r '
|
|
'(in module %s) -- ignoring __all__') %
|
|
(exc.args[0], self.fullname), type='autodoc')
|
|
|
|
return ret
|
|
|
|
def add_directive_header(self, sig: str) -> None:
|
|
Documenter.add_directive_header(self, sig)
|
|
|
|
sourcename = self.get_sourcename()
|
|
|
|
# add some module-specific options
|
|
if self.options.synopsis:
|
|
self.add_line(' :synopsis: ' + self.options.synopsis, sourcename)
|
|
if self.options.platform:
|
|
self.add_line(' :platform: ' + self.options.platform, sourcename)
|
|
if self.options.deprecated:
|
|
self.add_line(' :deprecated:', sourcename)
|
|
|
|
def get_object_members(self, want_all: bool) -> Tuple[bool, ObjectMembers]:
|
|
if want_all:
|
|
members = get_module_members(self.object)
|
|
if not self.__all__:
|
|
# for implicit module members, check __module__ to avoid
|
|
# documenting imported objects
|
|
return True, members
|
|
else:
|
|
ret = []
|
|
for name, value in members:
|
|
if name in self.__all__:
|
|
ret.append(ObjectMember(name, value))
|
|
else:
|
|
ret.append(ObjectMember(name, value, skipped=True))
|
|
|
|
return False, ret
|
|
else:
|
|
memberlist = self.options.members or []
|
|
ret = []
|
|
for name in memberlist:
|
|
try:
|
|
value = safe_getattr(self.object, name)
|
|
ret.append(ObjectMember(name, value))
|
|
except AttributeError:
|
|
logger.warning(__('missing attribute mentioned in :members: option: '
|
|
'module %s, attribute %s') %
|
|
(safe_getattr(self.object, '__name__', '???'), name),
|
|
type='autodoc')
|
|
return False, ret
|
|
|
|
def sort_members(self, documenters: List[Tuple["Documenter", bool]],
|
|
order: str) -> List[Tuple["Documenter", bool]]:
|
|
if order == 'bysource' and self.__all__:
|
|
# Sort alphabetically first (for members not listed on the __all__)
|
|
documenters.sort(key=lambda e: e[0].name)
|
|
|
|
# Sort by __all__
|
|
def keyfunc(entry: Tuple[Documenter, bool]) -> int:
|
|
name = entry[0].name.split('::')[1]
|
|
if name in self.__all__:
|
|
return self.__all__.index(name)
|
|
else:
|
|
return len(self.__all__)
|
|
documenters.sort(key=keyfunc)
|
|
|
|
return documenters
|
|
else:
|
|
return super().sort_members(documenters, order)
|
|
|
|
|
|
class ModuleLevelDocumenter(Documenter):
|
|
"""
|
|
Specialized Documenter subclass for objects on module level (functions,
|
|
classes, data/constants).
|
|
"""
|
|
def resolve_name(self, modname: str, parents: Any, path: str, base: Any
|
|
) -> Tuple[str, List[str]]:
|
|
if modname is None:
|
|
if path:
|
|
modname = path.rstrip('.')
|
|
else:
|
|
# if documenting a toplevel object without explicit module,
|
|
# it can be contained in another auto directive ...
|
|
modname = self.env.temp_data.get('autodoc:module')
|
|
# ... or in the scope of a module directive
|
|
if not modname:
|
|
modname = self.env.ref_context.get('py:module')
|
|
# ... else, it stays None, which means invalid
|
|
return modname, parents + [base]
|
|
|
|
|
|
class ClassLevelDocumenter(Documenter):
|
|
"""
|
|
Specialized Documenter subclass for objects on class level (methods,
|
|
attributes).
|
|
"""
|
|
def resolve_name(self, modname: str, parents: Any, path: str, base: Any
|
|
) -> Tuple[str, List[str]]:
|
|
if modname is None:
|
|
if path:
|
|
mod_cls = path.rstrip('.')
|
|
else:
|
|
mod_cls = None
|
|
# if documenting a class-level object without path,
|
|
# there must be a current class, either from a parent
|
|
# auto directive ...
|
|
mod_cls = self.env.temp_data.get('autodoc:class')
|
|
# ... or from a class directive
|
|
if mod_cls is None:
|
|
mod_cls = self.env.ref_context.get('py:class')
|
|
# ... if still None, there's no way to know
|
|
if mod_cls is None:
|
|
return None, []
|
|
modname, sep, cls = mod_cls.rpartition('.')
|
|
parents = [cls]
|
|
# if the module name is still missing, get it like above
|
|
if not modname:
|
|
modname = self.env.temp_data.get('autodoc:module')
|
|
if not modname:
|
|
modname = self.env.ref_context.get('py:module')
|
|
# ... else, it stays None, which means invalid
|
|
return modname, parents + [base]
|
|
|
|
|
|
class DocstringSignatureMixin:
|
|
"""
|
|
Mixin for FunctionDocumenter and MethodDocumenter to provide the
|
|
feature of reading the signature from the docstring.
|
|
"""
|
|
_new_docstrings = None # type: List[List[str]]
|
|
_signatures = None # type: List[str]
|
|
|
|
def _find_signature(self, encoding: str = None) -> Tuple[str, str]:
|
|
if encoding is not None:
|
|
warnings.warn("The 'encoding' argument to autodoc.%s._find_signature() is "
|
|
"deprecated." % self.__class__.__name__,
|
|
RemovedInSphinx40Warning, stacklevel=2)
|
|
|
|
# candidates of the object name
|
|
valid_names = [self.objpath[-1]] # type: ignore
|
|
if isinstance(self, ClassDocumenter):
|
|
valid_names.append('__init__')
|
|
if hasattr(self.object, '__mro__'):
|
|
valid_names.extend(cls.__name__ for cls in self.object.__mro__)
|
|
|
|
docstrings = self.get_doc()
|
|
self._new_docstrings = docstrings[:]
|
|
self._signatures = []
|
|
result = None
|
|
for i, doclines in enumerate(docstrings):
|
|
for j, line in enumerate(doclines):
|
|
if not line:
|
|
# no lines in docstring, no match
|
|
break
|
|
|
|
if line.endswith('\\'):
|
|
multiline = True
|
|
line = line.rstrip('\\').rstrip()
|
|
else:
|
|
multiline = False
|
|
|
|
# match first line of docstring against signature RE
|
|
match = py_ext_sig_re.match(line)
|
|
if not match:
|
|
continue
|
|
exmod, path, base, args, retann = match.groups()
|
|
|
|
# the base name must match ours
|
|
if base not in valid_names:
|
|
continue
|
|
|
|
# re-prepare docstring to ignore more leading indentation
|
|
tab_width = self.directive.state.document.settings.tab_width # type: ignore
|
|
self._new_docstrings[i] = prepare_docstring('\n'.join(doclines[j + 1:]),
|
|
tabsize=tab_width)
|
|
|
|
if result is None:
|
|
# first signature
|
|
result = args, retann
|
|
else:
|
|
# subsequent signatures
|
|
self._signatures.append("(%s) -> %s" % (args, retann))
|
|
|
|
if multiline:
|
|
# the signature have multiple signatures on docstring
|
|
continue
|
|
else:
|
|
# don't look any further
|
|
break
|
|
|
|
if result:
|
|
# finish the loop when signature found
|
|
break
|
|
|
|
return result
|
|
|
|
def get_doc(self, encoding: str = None, ignore: int = None) -> List[List[str]]:
|
|
if encoding is not None:
|
|
warnings.warn("The 'encoding' argument to autodoc.%s.get_doc() is deprecated."
|
|
% self.__class__.__name__,
|
|
RemovedInSphinx40Warning, stacklevel=2)
|
|
if self._new_docstrings is not None:
|
|
return self._new_docstrings
|
|
return super().get_doc(None, ignore) # type: ignore
|
|
|
|
def format_signature(self, **kwargs: Any) -> str:
|
|
if self.args is None and self.config.autodoc_docstring_signature: # type: ignore
|
|
# only act if a signature is not explicitly given already, and if
|
|
# the feature is enabled
|
|
result = self._find_signature()
|
|
if result is not None:
|
|
self.args, self.retann = result
|
|
sig = super().format_signature(**kwargs) # type: ignore
|
|
if self._signatures:
|
|
return "\n".join([sig] + self._signatures)
|
|
else:
|
|
return sig
|
|
|
|
|
|
class DocstringStripSignatureMixin(DocstringSignatureMixin):
|
|
"""
|
|
Mixin for AttributeDocumenter to provide the
|
|
feature of stripping any function signature from the docstring.
|
|
"""
|
|
def format_signature(self, **kwargs: Any) -> str:
|
|
if self.args is None and self.config.autodoc_docstring_signature: # type: ignore
|
|
# only act if a signature is not explicitly given already, and if
|
|
# the feature is enabled
|
|
result = self._find_signature()
|
|
if result is not None:
|
|
# Discarding _args is a only difference with
|
|
# DocstringSignatureMixin.format_signature.
|
|
# Documenter.format_signature use self.args value to format.
|
|
_args, self.retann = result
|
|
return super().format_signature(**kwargs)
|
|
|
|
|
|
class FunctionDocumenter(DocstringSignatureMixin, ModuleLevelDocumenter): # type: ignore
|
|
"""
|
|
Specialized Documenter subclass for functions.
|
|
"""
|
|
objtype = 'function'
|
|
member_order = 30
|
|
|
|
@classmethod
|
|
def can_document_member(cls, member: Any, membername: str, isattr: bool, parent: Any
|
|
) -> bool:
|
|
# supports functions, builtins and bound methods exported at the module level
|
|
return (inspect.isfunction(member) or inspect.isbuiltin(member) or
|
|
(inspect.isroutine(member) and isinstance(parent, ModuleDocumenter)))
|
|
|
|
def format_args(self, **kwargs: Any) -> str:
|
|
if self.config.autodoc_typehints in ('none', 'description'):
|
|
kwargs.setdefault('show_annotation', False)
|
|
|
|
try:
|
|
self.env.app.emit('autodoc-before-process-signature', self.object, False)
|
|
sig = inspect.signature(self.object, type_aliases=self.config.autodoc_type_aliases)
|
|
args = stringify_signature(sig, **kwargs)
|
|
except TypeError as exc:
|
|
logger.warning(__("Failed to get a function signature for %s: %s"),
|
|
self.fullname, exc)
|
|
return None
|
|
except ValueError:
|
|
args = ''
|
|
|
|
if self.config.strip_signature_backslash:
|
|
# escape backslashes for reST
|
|
args = args.replace('\\', '\\\\')
|
|
return args
|
|
|
|
def document_members(self, all_members: bool = False) -> None:
|
|
pass
|
|
|
|
def add_directive_header(self, sig: str) -> None:
|
|
sourcename = self.get_sourcename()
|
|
super().add_directive_header(sig)
|
|
|
|
if inspect.iscoroutinefunction(self.object):
|
|
self.add_line(' :async:', sourcename)
|
|
|
|
def format_signature(self, **kwargs: Any) -> str:
|
|
sigs = []
|
|
if (self.analyzer and
|
|
'.'.join(self.objpath) in self.analyzer.overloads and
|
|
self.config.autodoc_typehints == 'signature'):
|
|
# Use signatures for overloaded functions instead of the implementation function.
|
|
overloaded = True
|
|
else:
|
|
overloaded = False
|
|
sig = super().format_signature(**kwargs)
|
|
sigs.append(sig)
|
|
|
|
if inspect.is_singledispatch_function(self.object):
|
|
# append signature of singledispatch'ed functions
|
|
for typ, func in self.object.registry.items():
|
|
if typ is object:
|
|
pass # default implementation. skipped.
|
|
else:
|
|
self.annotate_to_first_argument(func, typ)
|
|
|
|
documenter = FunctionDocumenter(self.directive, '')
|
|
documenter.object = func
|
|
documenter.objpath = [None]
|
|
sigs.append(documenter.format_signature())
|
|
if overloaded:
|
|
__globals__ = safe_getattr(self.object, '__globals__', {})
|
|
for overload in self.analyzer.overloads.get('.'.join(self.objpath)):
|
|
overload = evaluate_signature(overload, __globals__,
|
|
self.config.autodoc_type_aliases)
|
|
|
|
sig = stringify_signature(overload, **kwargs)
|
|
sigs.append(sig)
|
|
|
|
return "\n".join(sigs)
|
|
|
|
def annotate_to_first_argument(self, func: Callable, typ: Type) -> None:
|
|
"""Annotate type hint to the first argument of function if needed."""
|
|
try:
|
|
sig = inspect.signature(func, type_aliases=self.config.autodoc_type_aliases)
|
|
except TypeError as exc:
|
|
logger.warning(__("Failed to get a function signature for %s: %s"),
|
|
self.fullname, exc)
|
|
return
|
|
except ValueError:
|
|
return
|
|
|
|
if len(sig.parameters) == 0:
|
|
return
|
|
|
|
params = list(sig.parameters.values())
|
|
if params[0].annotation is Parameter.empty:
|
|
params[0] = params[0].replace(annotation=typ)
|
|
try:
|
|
func.__signature__ = sig.replace(parameters=params) # type: ignore
|
|
except TypeError:
|
|
# failed to update signature (ex. built-in or extension types)
|
|
return
|
|
|
|
|
|
class DecoratorDocumenter(FunctionDocumenter):
|
|
"""
|
|
Specialized Documenter subclass for decorator functions.
|
|
"""
|
|
objtype = 'decorator'
|
|
|
|
# must be lower than FunctionDocumenter
|
|
priority = -1
|
|
|
|
def format_args(self, **kwargs: Any) -> Any:
|
|
args = super().format_args(**kwargs)
|
|
if ',' in args:
|
|
return args
|
|
else:
|
|
return None
|
|
|
|
|
|
# Types which have confusing metaclass signatures it would be best not to show.
|
|
# These are listed by name, rather than storing the objects themselves, to avoid
|
|
# needing to import the modules.
|
|
_METACLASS_CALL_BLACKLIST = [
|
|
'enum.EnumMeta.__call__',
|
|
]
|
|
|
|
|
|
# Types whose __new__ signature is a pass-thru.
|
|
_CLASS_NEW_BLACKLIST = [
|
|
'typing.Generic.__new__',
|
|
]
|
|
|
|
|
|
class ClassDocumenter(DocstringSignatureMixin, ModuleLevelDocumenter): # type: ignore
|
|
"""
|
|
Specialized Documenter subclass for classes.
|
|
"""
|
|
objtype = 'class'
|
|
member_order = 20
|
|
option_spec = {
|
|
'members': members_option, 'undoc-members': bool_option,
|
|
'noindex': bool_option, 'inherited-members': inherited_members_option,
|
|
'show-inheritance': bool_option, 'member-order': member_order_option,
|
|
'exclude-members': exclude_members_option,
|
|
'private-members': members_option, 'special-members': members_option,
|
|
} # type: Dict[str, Callable]
|
|
|
|
_signature_class = None # type: Any
|
|
_signature_method_name = None # type: str
|
|
|
|
def __init__(self, *args: Any) -> None:
|
|
super().__init__(*args)
|
|
merge_members_option(self.options)
|
|
|
|
@classmethod
|
|
def can_document_member(cls, member: Any, membername: str, isattr: bool, parent: Any
|
|
) -> bool:
|
|
return isinstance(member, type)
|
|
|
|
def import_object(self, raiseerror: bool = False) -> bool:
|
|
ret = super().import_object(raiseerror)
|
|
# if the class is documented under another name, document it
|
|
# as data/attribute
|
|
if ret:
|
|
if hasattr(self.object, '__name__'):
|
|
self.doc_as_attr = (self.objpath[-1] != self.object.__name__)
|
|
else:
|
|
self.doc_as_attr = True
|
|
return ret
|
|
|
|
def _get_signature(self) -> Tuple[Optional[Any], Optional[str], Optional[Signature]]:
|
|
def get_user_defined_function_or_method(obj: Any, attr: str) -> Any:
|
|
""" Get the `attr` function or method from `obj`, if it is user-defined. """
|
|
if inspect.is_builtin_class_method(obj, attr):
|
|
return None
|
|
attr = self.get_attr(obj, attr, None)
|
|
if not (inspect.ismethod(attr) or inspect.isfunction(attr)):
|
|
return None
|
|
return attr
|
|
|
|
# This sequence is copied from inspect._signature_from_callable.
|
|
# ValueError means that no signature could be found, so we keep going.
|
|
|
|
# First, we check the obj has a __signature__ attribute
|
|
if (hasattr(self.object, '__signature__') and
|
|
isinstance(self.object.__signature__, Signature)):
|
|
return None, None, self.object.__signature__
|
|
|
|
# Next, let's see if it has an overloaded __call__ defined
|
|
# in its metaclass
|
|
call = get_user_defined_function_or_method(type(self.object), '__call__')
|
|
|
|
if call is not None:
|
|
if "{0.__module__}.{0.__qualname__}".format(call) in _METACLASS_CALL_BLACKLIST:
|
|
call = None
|
|
|
|
if call is not None:
|
|
self.env.app.emit('autodoc-before-process-signature', call, True)
|
|
try:
|
|
sig = inspect.signature(call, bound_method=True,
|
|
type_aliases=self.config.autodoc_type_aliases)
|
|
return type(self.object), '__call__', sig
|
|
except ValueError:
|
|
pass
|
|
|
|
# Now we check if the 'obj' class has a '__new__' method
|
|
new = get_user_defined_function_or_method(self.object, '__new__')
|
|
|
|
if new is not None:
|
|
if "{0.__module__}.{0.__qualname__}".format(new) in _CLASS_NEW_BLACKLIST:
|
|
new = None
|
|
|
|
if new is not None:
|
|
self.env.app.emit('autodoc-before-process-signature', new, True)
|
|
try:
|
|
sig = inspect.signature(new, bound_method=True,
|
|
type_aliases=self.config.autodoc_type_aliases)
|
|
return self.object, '__new__', sig
|
|
except ValueError:
|
|
pass
|
|
|
|
# Finally, we should have at least __init__ implemented
|
|
init = get_user_defined_function_or_method(self.object, '__init__')
|
|
if init is not None:
|
|
self.env.app.emit('autodoc-before-process-signature', init, True)
|
|
try:
|
|
sig = inspect.signature(init, bound_method=True,
|
|
type_aliases=self.config.autodoc_type_aliases)
|
|
return self.object, '__init__', sig
|
|
except ValueError:
|
|
pass
|
|
|
|
# None of the attributes are user-defined, so fall back to let inspect
|
|
# handle it.
|
|
# We don't know the exact method that inspect.signature will read
|
|
# the signature from, so just pass the object itself to our hook.
|
|
self.env.app.emit('autodoc-before-process-signature', self.object, False)
|
|
try:
|
|
sig = inspect.signature(self.object, bound_method=False,
|
|
type_aliases=self.config.autodoc_type_aliases)
|
|
return None, None, sig
|
|
except ValueError:
|
|
pass
|
|
|
|
# Still no signature: happens e.g. for old-style classes
|
|
# with __init__ in C and no `__text_signature__`.
|
|
return None, None, None
|
|
|
|
def format_args(self, **kwargs: Any) -> str:
|
|
if self.config.autodoc_typehints in ('none', 'description'):
|
|
kwargs.setdefault('show_annotation', False)
|
|
|
|
try:
|
|
self._signature_class, self._signature_method_name, sig = self._get_signature()
|
|
except TypeError as exc:
|
|
# __signature__ attribute contained junk
|
|
logger.warning(__("Failed to get a constructor signature for %s: %s"),
|
|
self.fullname, exc)
|
|
return None
|
|
|
|
if sig is None:
|
|
return None
|
|
|
|
return stringify_signature(sig, show_return_annotation=False, **kwargs)
|
|
|
|
def format_signature(self, **kwargs: Any) -> str:
|
|
if self.doc_as_attr:
|
|
return ''
|
|
|
|
sig = super().format_signature()
|
|
sigs = []
|
|
|
|
overloads = self.get_overloaded_signatures()
|
|
if overloads and self.config.autodoc_typehints == 'signature':
|
|
# Use signatures for overloaded methods instead of the implementation method.
|
|
method = safe_getattr(self._signature_class, self._signature_method_name, None)
|
|
__globals__ = safe_getattr(method, '__globals__', {})
|
|
for overload in overloads:
|
|
overload = evaluate_signature(overload, __globals__,
|
|
self.config.autodoc_type_aliases)
|
|
|
|
parameters = list(overload.parameters.values())
|
|
overload = overload.replace(parameters=parameters[1:],
|
|
return_annotation=Parameter.empty)
|
|
sig = stringify_signature(overload, **kwargs)
|
|
sigs.append(sig)
|
|
else:
|
|
sigs.append(sig)
|
|
|
|
return "\n".join(sigs)
|
|
|
|
def get_overloaded_signatures(self) -> List[Signature]:
|
|
if self._signature_class and self._signature_method_name:
|
|
for cls in self._signature_class.__mro__:
|
|
try:
|
|
analyzer = ModuleAnalyzer.for_module(cls.__module__)
|
|
analyzer.analyze()
|
|
qualname = '.'.join([cls.__qualname__, self._signature_method_name])
|
|
if qualname in analyzer.overloads:
|
|
return analyzer.overloads.get(qualname)
|
|
elif qualname in analyzer.tagorder:
|
|
# the constructor is defined in the class, but not overrided.
|
|
return []
|
|
except PycodeError:
|
|
pass
|
|
|
|
return []
|
|
|
|
def add_directive_header(self, sig: str) -> None:
|
|
sourcename = self.get_sourcename()
|
|
|
|
if self.doc_as_attr:
|
|
self.directivetype = 'attribute'
|
|
super().add_directive_header(sig)
|
|
|
|
if self.analyzer and '.'.join(self.objpath) in self.analyzer.finals:
|
|
self.add_line(' :final:', sourcename)
|
|
|
|
# add inheritance info, if wanted
|
|
if not self.doc_as_attr and self.options.show_inheritance:
|
|
sourcename = self.get_sourcename()
|
|
self.add_line('', sourcename)
|
|
|
|
if hasattr(self.object, '__orig_bases__') and len(self.object.__orig_bases__):
|
|
# A subclass of generic types
|
|
# refs: PEP-560 <https://www.python.org/dev/peps/pep-0560/>
|
|
bases = [restify(cls) for cls in self.object.__orig_bases__]
|
|
self.add_line(' ' + _('Bases: %s') % ', '.join(bases), sourcename)
|
|
elif hasattr(self.object, '__bases__') and len(self.object.__bases__):
|
|
# A normal class
|
|
bases = [restify(cls) for cls in self.object.__bases__]
|
|
self.add_line(' ' + _('Bases: %s') % ', '.join(bases), sourcename)
|
|
|
|
def get_object_members(self, want_all: bool) -> Tuple[bool, ObjectMembers]:
|
|
members = get_class_members(self.object, self.objpath, self.get_attr)
|
|
if not want_all:
|
|
if not self.options.members:
|
|
return False, [] # type: ignore
|
|
# specific members given
|
|
selected = []
|
|
for name in self.options.members: # type: str
|
|
if name in members:
|
|
selected.append(ObjectMember(name, members[name].value,
|
|
docstring=members[name].docstring))
|
|
else:
|
|
logger.warning(__('missing attribute %s in object %s') %
|
|
(name, self.fullname), type='autodoc')
|
|
return False, selected
|
|
elif self.options.inherited_members:
|
|
return False, [ObjectMember(m.name, m.value, docstring=m.docstring)
|
|
for m in members.values()]
|
|
else:
|
|
return False, [ObjectMember(m.name, m.value, docstring=m.docstring)
|
|
for m in members.values() if m.class_ == self.object]
|
|
|
|
def get_doc(self, encoding: str = None, ignore: int = None) -> List[List[str]]:
|
|
if encoding is not None:
|
|
warnings.warn("The 'encoding' argument to autodoc.%s.get_doc() is deprecated."
|
|
% self.__class__.__name__,
|
|
RemovedInSphinx40Warning, stacklevel=2)
|
|
if self.doc_as_attr:
|
|
# Don't show the docstring of the class when it is an alias.
|
|
return []
|
|
|
|
lines = getattr(self, '_new_docstrings', None)
|
|
if lines is not None:
|
|
return lines
|
|
|
|
content = self.config.autoclass_content
|
|
|
|
docstrings = []
|
|
attrdocstring = self.get_attr(self.object, '__doc__', None)
|
|
if attrdocstring:
|
|
docstrings.append(attrdocstring)
|
|
|
|
# for classes, what the "docstring" is can be controlled via a
|
|
# config value; the default is only the class docstring
|
|
if content in ('both', 'init'):
|
|
__init__ = self.get_attr(self.object, '__init__', None)
|
|
initdocstring = getdoc(__init__, self.get_attr,
|
|
self.config.autodoc_inherit_docstrings,
|
|
self.parent, self.object_name)
|
|
# for new-style classes, no __init__ means default __init__
|
|
if (initdocstring is not None and
|
|
(initdocstring == object.__init__.__doc__ or # for pypy
|
|
initdocstring.strip() == object.__init__.__doc__)): # for !pypy
|
|
initdocstring = None
|
|
if not initdocstring:
|
|
# try __new__
|
|
__new__ = self.get_attr(self.object, '__new__', None)
|
|
initdocstring = getdoc(__new__, self.get_attr,
|
|
self.config.autodoc_inherit_docstrings,
|
|
self.parent, self.object_name)
|
|
# for new-style classes, no __new__ means default __new__
|
|
if (initdocstring is not None and
|
|
(initdocstring == object.__new__.__doc__ or # for pypy
|
|
initdocstring.strip() == object.__new__.__doc__)): # for !pypy
|
|
initdocstring = None
|
|
if initdocstring:
|
|
if content == 'init':
|
|
docstrings = [initdocstring]
|
|
else:
|
|
docstrings.append(initdocstring)
|
|
|
|
tab_width = self.directive.state.document.settings.tab_width
|
|
return [prepare_docstring(docstring, ignore, tab_width) for docstring in docstrings]
|
|
|
|
def add_content(self, more_content: Optional[StringList], no_docstring: bool = False
|
|
) -> None:
|
|
if self.doc_as_attr:
|
|
more_content = StringList([_('alias of %s') % restify(self.object)], source='')
|
|
|
|
super().add_content(more_content)
|
|
|
|
def document_members(self, all_members: bool = False) -> None:
|
|
if self.doc_as_attr:
|
|
return
|
|
super().document_members(all_members)
|
|
|
|
def generate(self, more_content: Optional[StringList] = None, real_modname: str = None,
|
|
check_module: bool = False, all_members: bool = False) -> None:
|
|
# Do not pass real_modname and use the name from the __module__
|
|
# attribute of the class.
|
|
# If a class gets imported into the module real_modname
|
|
# the analyzer won't find the source of the class, if
|
|
# it looks in real_modname.
|
|
return super().generate(more_content=more_content,
|
|
check_module=check_module,
|
|
all_members=all_members)
|
|
|
|
|
|
class ExceptionDocumenter(ClassDocumenter):
|
|
"""
|
|
Specialized ClassDocumenter subclass for exceptions.
|
|
"""
|
|
objtype = 'exception'
|
|
member_order = 10
|
|
|
|
# needs a higher priority than ClassDocumenter
|
|
priority = 10
|
|
|
|
@classmethod
|
|
def can_document_member(cls, member: Any, membername: str, isattr: bool, parent: Any
|
|
) -> bool:
|
|
return isinstance(member, type) and issubclass(member, BaseException)
|
|
|
|
|
|
class DataDocumenterMixinBase:
|
|
# define types of instance variables
|
|
config = None # type: Config
|
|
env = None # type: BuildEnvironment
|
|
modname = None # type: str
|
|
parent = None # type: Any
|
|
object = None # type: Any
|
|
objpath = None # type: List[str]
|
|
|
|
def should_suppress_directive_header(self) -> bool:
|
|
"""Check directive header should be suppressed."""
|
|
return False
|
|
|
|
def should_suppress_value_header(self) -> bool:
|
|
"""Check :value: header should be suppressed."""
|
|
return False
|
|
|
|
def update_content(self, more_content: StringList) -> None:
|
|
"""Update docstring for the NewType object."""
|
|
pass
|
|
|
|
|
|
class GenericAliasMixin(DataDocumenterMixinBase):
|
|
"""
|
|
Mixin for DataDocumenter and AttributeDocumenter to provide the feature for
|
|
supporting GenericAliases.
|
|
"""
|
|
|
|
def should_suppress_directive_header(self) -> bool:
|
|
return (inspect.isgenericalias(self.object) or
|
|
super().should_suppress_directive_header())
|
|
|
|
def update_content(self, more_content: StringList) -> None:
|
|
if inspect.isgenericalias(self.object):
|
|
alias = stringify_typehint(self.object)
|
|
more_content.append(_('alias of %s') % alias, '')
|
|
more_content.append('', '')
|
|
|
|
super().update_content(more_content)
|
|
|
|
|
|
class NewTypeMixin(DataDocumenterMixinBase):
|
|
"""
|
|
Mixin for DataDocumenter and AttributeDocumenter to provide the feature for
|
|
supporting NewTypes.
|
|
"""
|
|
|
|
def should_suppress_directive_header(self) -> bool:
|
|
return (inspect.isNewType(self.object) or
|
|
super().should_suppress_directive_header())
|
|
|
|
def update_content(self, more_content: StringList) -> None:
|
|
if inspect.isNewType(self.object):
|
|
supertype = restify(self.object.__supertype__)
|
|
more_content.append(_('alias of %s') % supertype, '')
|
|
more_content.append('', '')
|
|
|
|
super().update_content(more_content)
|
|
|
|
|
|
class TypeVarMixin(DataDocumenterMixinBase):
|
|
"""
|
|
Mixin for DataDocumenter and AttributeDocumenter to provide the feature for
|
|
supporting TypeVars.
|
|
"""
|
|
|
|
def should_suppress_directive_header(self) -> bool:
|
|
return (isinstance(self.object, TypeVar) or
|
|
super().should_suppress_directive_header())
|
|
|
|
def get_doc(self, encoding: str = None, ignore: int = None) -> List[List[str]]:
|
|
if ignore is not None:
|
|
warnings.warn("The 'ignore' argument to autodoc.%s.get_doc() is deprecated."
|
|
% self.__class__.__name__,
|
|
RemovedInSphinx50Warning, stacklevel=2)
|
|
|
|
if isinstance(self.object, TypeVar):
|
|
if self.object.__doc__ != TypeVar.__doc__:
|
|
return super().get_doc() # type: ignore
|
|
else:
|
|
return []
|
|
else:
|
|
return super().get_doc() # type: ignore
|
|
|
|
def update_content(self, more_content: StringList) -> None:
|
|
if isinstance(self.object, TypeVar):
|
|
attrs = [repr(self.object.__name__)]
|
|
for constraint in self.object.__constraints__:
|
|
attrs.append(stringify_typehint(constraint))
|
|
if self.object.__covariant__:
|
|
attrs.append("covariant=True")
|
|
if self.object.__contravariant__:
|
|
attrs.append("contravariant=True")
|
|
|
|
more_content.append(_('alias of TypeVar(%s)') % ", ".join(attrs), '')
|
|
more_content.append('', '')
|
|
|
|
super().update_content(more_content)
|
|
|
|
|
|
class UninitializedGlobalVariableMixin(DataDocumenterMixinBase):
|
|
"""
|
|
Mixin for DataDocumenter to provide the feature for supporting uninitialized
|
|
(type annotation only) global variables.
|
|
"""
|
|
|
|
def import_object(self, raiseerror: bool = False) -> bool:
|
|
try:
|
|
return super().import_object(raiseerror=True) # type: ignore
|
|
except ImportError as exc:
|
|
# annotation only instance variable (PEP-526)
|
|
try:
|
|
self.parent = importlib.import_module(self.modname)
|
|
annotations = get_type_hints(self.parent, None,
|
|
self.config.autodoc_type_aliases)
|
|
if self.objpath[-1] in annotations:
|
|
self.object = UNINITIALIZED_ATTR
|
|
return True
|
|
except ImportError:
|
|
pass
|
|
|
|
if raiseerror:
|
|
raise
|
|
else:
|
|
logger.warning(exc.args[0], type='autodoc', subtype='import_object')
|
|
self.env.note_reread()
|
|
return False
|
|
|
|
def should_suppress_value_header(self) -> bool:
|
|
return (self.object == UNINITIALIZED_ATTR or
|
|
super().should_suppress_value_header())
|
|
|
|
def get_doc(self, encoding: str = None, ignore: int = None) -> List[List[str]]:
|
|
if self.object is UNINITIALIZED_ATTR:
|
|
return []
|
|
else:
|
|
return super().get_doc(encoding, ignore) # type: ignore
|
|
|
|
|
|
class DataDocumenter(GenericAliasMixin, NewTypeMixin, TypeVarMixin,
|
|
UninitializedGlobalVariableMixin, ModuleLevelDocumenter):
|
|
"""
|
|
Specialized Documenter subclass for data items.
|
|
"""
|
|
objtype = 'data'
|
|
member_order = 40
|
|
priority = -10
|
|
option_spec = dict(ModuleLevelDocumenter.option_spec)
|
|
option_spec["annotation"] = annotation_option
|
|
option_spec["no-value"] = bool_option
|
|
|
|
@classmethod
|
|
def can_document_member(cls, member: Any, membername: str, isattr: bool, parent: Any
|
|
) -> bool:
|
|
return isinstance(parent, ModuleDocumenter) and isattr
|
|
|
|
def update_annotations(self, parent: Any) -> None:
|
|
"""Update __annotations__ to support type_comment and so on."""
|
|
try:
|
|
annotations = inspect.getannotations(parent)
|
|
|
|
analyzer = ModuleAnalyzer.for_module(self.modname)
|
|
analyzer.analyze()
|
|
for (classname, attrname), annotation in analyzer.annotations.items():
|
|
if classname == '' and attrname not in annotations:
|
|
annotations[attrname] = annotation # type: ignore
|
|
except AttributeError:
|
|
pass
|
|
|
|
def import_object(self, raiseerror: bool = False) -> bool:
|
|
ret = super().import_object(raiseerror)
|
|
if self.parent:
|
|
self.update_annotations(self.parent)
|
|
|
|
return ret
|
|
|
|
def add_directive_header(self, sig: str) -> None:
|
|
super().add_directive_header(sig)
|
|
sourcename = self.get_sourcename()
|
|
if self.options.annotation is SUPPRESS or self.should_suppress_directive_header():
|
|
pass
|
|
elif self.options.annotation:
|
|
self.add_line(' :annotation: %s' % self.options.annotation,
|
|
sourcename)
|
|
else:
|
|
# obtain annotation for this data
|
|
annotations = get_type_hints(self.parent, None, self.config.autodoc_type_aliases)
|
|
if self.objpath[-1] in annotations:
|
|
objrepr = stringify_typehint(annotations.get(self.objpath[-1]))
|
|
self.add_line(' :type: ' + objrepr, sourcename)
|
|
|
|
try:
|
|
if self.options.no_value or self.should_suppress_value_header():
|
|
pass
|
|
else:
|
|
objrepr = object_description(self.object)
|
|
self.add_line(' :value: ' + objrepr, sourcename)
|
|
except ValueError:
|
|
pass
|
|
|
|
def document_members(self, all_members: bool = False) -> None:
|
|
pass
|
|
|
|
def get_real_modname(self) -> str:
|
|
return self.get_attr(self.parent or self.object, '__module__', None) \
|
|
or self.modname
|
|
|
|
def add_content(self, more_content: Optional[StringList], no_docstring: bool = False
|
|
) -> None:
|
|
if not more_content:
|
|
more_content = StringList()
|
|
|
|
self.update_content(more_content)
|
|
super().add_content(more_content, no_docstring=no_docstring)
|
|
|
|
|
|
class NewTypeDataDocumenter(DataDocumenter):
|
|
"""
|
|
Specialized Documenter subclass for NewTypes.
|
|
|
|
Note: This must be invoked before FunctionDocumenter because NewType is a kind of
|
|
function object.
|
|
"""
|
|
|
|
objtype = 'newtypedata'
|
|
directivetype = 'data'
|
|
priority = FunctionDocumenter.priority + 1
|
|
|
|
@classmethod
|
|
def can_document_member(cls, member: Any, membername: str, isattr: bool, parent: Any
|
|
) -> bool:
|
|
return inspect.isNewType(member) and isattr
|
|
|
|
|
|
class MethodDocumenter(DocstringSignatureMixin, ClassLevelDocumenter): # type: ignore
|
|
"""
|
|
Specialized Documenter subclass for methods (normal, static and class).
|
|
"""
|
|
objtype = 'method'
|
|
directivetype = 'method'
|
|
member_order = 50
|
|
priority = 1 # must be more than FunctionDocumenter
|
|
|
|
@classmethod
|
|
def can_document_member(cls, member: Any, membername: str, isattr: bool, parent: Any
|
|
) -> bool:
|
|
return inspect.isroutine(member) and \
|
|
not isinstance(parent, ModuleDocumenter)
|
|
|
|
def import_object(self, raiseerror: bool = False) -> bool:
|
|
ret = super().import_object(raiseerror)
|
|
if not ret:
|
|
return ret
|
|
|
|
# to distinguish classmethod/staticmethod
|
|
obj = self.parent.__dict__.get(self.object_name)
|
|
if obj is None:
|
|
obj = self.object
|
|
|
|
if (inspect.isclassmethod(obj) or
|
|
inspect.isstaticmethod(obj, cls=self.parent, name=self.object_name)):
|
|
# document class and static members before ordinary ones
|
|
self.member_order = self.member_order - 1
|
|
|
|
return ret
|
|
|
|
def format_args(self, **kwargs: Any) -> str:
|
|
if self.config.autodoc_typehints in ('none', 'description'):
|
|
kwargs.setdefault('show_annotation', False)
|
|
|
|
try:
|
|
if self.object == object.__init__ and self.parent != object:
|
|
# Classes not having own __init__() method are shown as no arguments.
|
|
#
|
|
# Note: The signature of object.__init__() is (self, /, *args, **kwargs).
|
|
# But it makes users confused.
|
|
args = '()'
|
|
else:
|
|
if inspect.isstaticmethod(self.object, cls=self.parent, name=self.object_name):
|
|
self.env.app.emit('autodoc-before-process-signature', self.object, False)
|
|
sig = inspect.signature(self.object, bound_method=False,
|
|
type_aliases=self.config.autodoc_type_aliases)
|
|
else:
|
|
self.env.app.emit('autodoc-before-process-signature', self.object, True)
|
|
sig = inspect.signature(self.object, bound_method=True,
|
|
type_aliases=self.config.autodoc_type_aliases)
|
|
args = stringify_signature(sig, **kwargs)
|
|
except TypeError as exc:
|
|
logger.warning(__("Failed to get a method signature for %s: %s"),
|
|
self.fullname, exc)
|
|
return None
|
|
except ValueError:
|
|
args = ''
|
|
|
|
if self.config.strip_signature_backslash:
|
|
# escape backslashes for reST
|
|
args = args.replace('\\', '\\\\')
|
|
return args
|
|
|
|
def add_directive_header(self, sig: str) -> None:
|
|
super().add_directive_header(sig)
|
|
|
|
sourcename = self.get_sourcename()
|
|
obj = self.parent.__dict__.get(self.object_name, self.object)
|
|
if inspect.isabstractmethod(obj):
|
|
self.add_line(' :abstractmethod:', sourcename)
|
|
if inspect.iscoroutinefunction(obj):
|
|
self.add_line(' :async:', sourcename)
|
|
if inspect.isclassmethod(obj):
|
|
self.add_line(' :classmethod:', sourcename)
|
|
if inspect.isstaticmethod(obj, cls=self.parent, name=self.object_name):
|
|
self.add_line(' :staticmethod:', sourcename)
|
|
if self.analyzer and '.'.join(self.objpath) in self.analyzer.finals:
|
|
self.add_line(' :final:', sourcename)
|
|
|
|
def document_members(self, all_members: bool = False) -> None:
|
|
pass
|
|
|
|
def format_signature(self, **kwargs: Any) -> str:
|
|
sigs = []
|
|
if (self.analyzer and
|
|
'.'.join(self.objpath) in self.analyzer.overloads and
|
|
self.config.autodoc_typehints == 'signature'):
|
|
# Use signatures for overloaded methods instead of the implementation method.
|
|
overloaded = True
|
|
else:
|
|
overloaded = False
|
|
sig = super().format_signature(**kwargs)
|
|
sigs.append(sig)
|
|
|
|
meth = self.parent.__dict__.get(self.objpath[-1])
|
|
if inspect.is_singledispatch_method(meth):
|
|
# append signature of singledispatch'ed functions
|
|
for typ, func in meth.dispatcher.registry.items():
|
|
if typ is object:
|
|
pass # default implementation. skipped.
|
|
else:
|
|
self.annotate_to_first_argument(func, typ)
|
|
|
|
documenter = MethodDocumenter(self.directive, '')
|
|
documenter.parent = self.parent
|
|
documenter.object = func
|
|
documenter.objpath = [None]
|
|
sigs.append(documenter.format_signature())
|
|
if overloaded:
|
|
__globals__ = safe_getattr(self.object, '__globals__', {})
|
|
for overload in self.analyzer.overloads.get('.'.join(self.objpath)):
|
|
overload = evaluate_signature(overload, __globals__,
|
|
self.config.autodoc_type_aliases)
|
|
|
|
if not inspect.isstaticmethod(self.object, cls=self.parent,
|
|
name=self.object_name):
|
|
parameters = list(overload.parameters.values())
|
|
overload = overload.replace(parameters=parameters[1:])
|
|
sig = stringify_signature(overload, **kwargs)
|
|
sigs.append(sig)
|
|
|
|
return "\n".join(sigs)
|
|
|
|
def annotate_to_first_argument(self, func: Callable, typ: Type) -> None:
|
|
"""Annotate type hint to the first argument of function if needed."""
|
|
try:
|
|
sig = inspect.signature(func, type_aliases=self.config.autodoc_type_aliases)
|
|
except TypeError as exc:
|
|
logger.warning(__("Failed to get a method signature for %s: %s"),
|
|
self.fullname, exc)
|
|
return
|
|
except ValueError:
|
|
return
|
|
if len(sig.parameters) == 1:
|
|
return
|
|
|
|
params = list(sig.parameters.values())
|
|
if params[1].annotation is Parameter.empty:
|
|
params[1] = params[1].replace(annotation=typ)
|
|
try:
|
|
func.__signature__ = sig.replace(parameters=params) # type: ignore
|
|
except TypeError:
|
|
# failed to update signature (ex. built-in or extension types)
|
|
return
|
|
|
|
|
|
class NonDataDescriptorMixin(DataDocumenterMixinBase):
|
|
"""
|
|
Mixin for AttributeDocumenter to provide the feature for supporting non
|
|
data-descriptors.
|
|
|
|
.. note:: This mix-in must be inherited after other mix-ins. Otherwise, docstring
|
|
and :value: header will be suppressed unexpectedly.
|
|
"""
|
|
|
|
def should_suppress_value_header(self) -> bool:
|
|
return (inspect.isattributedescriptor(self.object) or
|
|
super().should_suppress_directive_header())
|
|
|
|
def get_doc(self, encoding: str = None, ignore: int = None) -> List[List[str]]:
|
|
if not inspect.isattributedescriptor(self.object):
|
|
# the docstring of non datadescriptor is very probably the wrong thing
|
|
# to display
|
|
return []
|
|
else:
|
|
return super().get_doc(encoding, ignore) # type: ignore
|
|
|
|
|
|
class SlotsMixin(DataDocumenterMixinBase):
|
|
"""
|
|
Mixin for AttributeDocumenter to provide the feature for supporting __slots__.
|
|
"""
|
|
|
|
def isslotsattribute(self) -> bool:
|
|
"""Check the subject is an attribute in __slots__."""
|
|
try:
|
|
__slots__ = inspect.getslots(self.parent)
|
|
if __slots__ and self.objpath[-1] in __slots__:
|
|
return True
|
|
else:
|
|
return False
|
|
except (AttributeError, ValueError):
|
|
return False
|
|
|
|
def import_object(self, raiseerror: bool = False) -> bool:
|
|
ret = super().import_object(raiseerror) # type: ignore
|
|
if self.isslotsattribute():
|
|
self.object = SLOTSATTR
|
|
|
|
return ret
|
|
|
|
def should_suppress_directive_header(self) -> bool:
|
|
if self.object is SLOTSATTR:
|
|
self._datadescriptor = True
|
|
return True
|
|
else:
|
|
return super().should_suppress_directive_header()
|
|
|
|
def get_doc(self, encoding: str = None, ignore: int = None) -> List[List[str]]:
|
|
if self.object is SLOTSATTR:
|
|
try:
|
|
__slots__ = inspect.getslots(self.parent)
|
|
if __slots__ and __slots__.get(self.objpath[-1]):
|
|
docstring = prepare_docstring(__slots__[self.objpath[-1]])
|
|
return [docstring]
|
|
else:
|
|
return []
|
|
except (AttributeError, ValueError) as exc:
|
|
logger.warning(__('Invalid __slots__ found on %s. Ignored.'),
|
|
(self.parent.__qualname__, exc), type='autodoc')
|
|
return []
|
|
else:
|
|
return super().get_doc(encoding, ignore) # type: ignore
|
|
|
|
|
|
class UninitializedInstanceAttributeMixin(DataDocumenterMixinBase):
|
|
"""
|
|
Mixin for AttributeDocumenter to provide the feature for supporting uninitialized
|
|
instance attributes (that are defined in __init__() methods with doc-comments).
|
|
|
|
Example:
|
|
|
|
class Foo:
|
|
def __init__(self):
|
|
self.attr = None #: This is a target of this mix-in.
|
|
"""
|
|
|
|
def get_attribute_comment(self, parent: Any) -> Optional[List[str]]:
|
|
try:
|
|
for cls in inspect.getmro(parent):
|
|
try:
|
|
module = safe_getattr(cls, '__module__')
|
|
qualname = safe_getattr(cls, '__qualname__')
|
|
|
|
analyzer = ModuleAnalyzer.for_module(module)
|
|
analyzer.analyze()
|
|
if qualname and self.objpath:
|
|
key = (qualname, self.objpath[-1])
|
|
if key in analyzer.attr_docs:
|
|
return list(analyzer.attr_docs[key])
|
|
except (AttributeError, PycodeError):
|
|
pass
|
|
except (AttributeError, PycodeError):
|
|
pass
|
|
|
|
return None
|
|
|
|
def is_uninitialized_instance_attribute(self, parent: Any) -> bool:
|
|
"""Check the subject is an attribute defined in __init__()."""
|
|
# An instance variable defined in __init__().
|
|
if self.get_attribute_comment(parent):
|
|
return True
|
|
else:
|
|
return False
|
|
|
|
def import_object(self, raiseerror: bool = False) -> bool:
|
|
"""Check the exisitence of uninitizlied instance attribute when failed to import
|
|
the attribute.
|
|
"""
|
|
try:
|
|
return super().import_object(raiseerror=True) # type: ignore
|
|
except ImportError as exc:
|
|
try:
|
|
ret = import_object(self.modname, self.objpath[:-1], 'class',
|
|
attrgetter=self.get_attr, # type: ignore
|
|
warningiserror=self.config.autodoc_warningiserror)
|
|
parent = ret[3]
|
|
if self.is_uninitialized_instance_attribute(parent):
|
|
self.object = UNINITIALIZED_ATTR
|
|
self.parent = parent
|
|
return True
|
|
except ImportError:
|
|
pass
|
|
|
|
if raiseerror:
|
|
raise
|
|
else:
|
|
logger.warning(exc.args[0], type='autodoc', subtype='import_object')
|
|
self.env.note_reread()
|
|
return False
|
|
|
|
def should_suppress_value_header(self) -> bool:
|
|
return (self.object is UNINITIALIZED_ATTR or
|
|
super().should_suppress_value_header())
|
|
|
|
def get_doc(self, encoding: str = None, ignore: int = None) -> List[List[str]]:
|
|
if self.object is UNINITIALIZED_ATTR:
|
|
comment = self.get_attribute_comment(self.parent)
|
|
if comment:
|
|
return [comment]
|
|
|
|
return super().get_doc(encoding, ignore) # type: ignore
|
|
|
|
def add_content(self, more_content: Optional[StringList], no_docstring: bool = False
|
|
) -> None:
|
|
if self.object is UNINITIALIZED_ATTR:
|
|
self.analyzer = None
|
|
|
|
super().add_content(more_content, no_docstring=no_docstring) # type: ignore
|
|
|
|
|
|
class AttributeDocumenter(GenericAliasMixin, NewTypeMixin, SlotsMixin, # type: ignore
|
|
TypeVarMixin, UninitializedInstanceAttributeMixin,
|
|
NonDataDescriptorMixin, DocstringStripSignatureMixin,
|
|
ClassLevelDocumenter):
|
|
"""
|
|
Specialized Documenter subclass for attributes.
|
|
"""
|
|
objtype = 'attribute'
|
|
member_order = 60
|
|
option_spec = dict(ModuleLevelDocumenter.option_spec)
|
|
option_spec["annotation"] = annotation_option
|
|
option_spec["no-value"] = bool_option
|
|
|
|
# must be higher than the MethodDocumenter, else it will recognize
|
|
# some non-data descriptors as methods
|
|
priority = 10
|
|
|
|
@staticmethod
|
|
def is_function_or_method(obj: Any) -> bool:
|
|
return inspect.isfunction(obj) or inspect.isbuiltin(obj) or inspect.ismethod(obj)
|
|
|
|
@classmethod
|
|
def can_document_member(cls, member: Any, membername: str, isattr: bool, parent: Any
|
|
) -> bool:
|
|
if inspect.isattributedescriptor(member):
|
|
return True
|
|
elif (not isinstance(parent, ModuleDocumenter) and
|
|
not inspect.isroutine(member) and
|
|
not isinstance(member, type)):
|
|
return True
|
|
else:
|
|
return False
|
|
|
|
def document_members(self, all_members: bool = False) -> None:
|
|
pass
|
|
|
|
def isinstanceattribute(self) -> bool:
|
|
"""Check the subject is an instance attribute."""
|
|
# uninitialized instance variable (PEP-526)
|
|
with mock(self.config.autodoc_mock_imports):
|
|
try:
|
|
ret = import_object(self.modname, self.objpath[:-1], 'class',
|
|
attrgetter=self.get_attr,
|
|
warningiserror=self.config.autodoc_warningiserror)
|
|
self.parent = ret[3]
|
|
annotations = get_type_hints(self.parent, None,
|
|
self.config.autodoc_type_aliases)
|
|
if self.objpath[-1] in annotations:
|
|
self.object = UNINITIALIZED_ATTR
|
|
return True
|
|
except ImportError:
|
|
pass
|
|
|
|
return False
|
|
|
|
def update_annotations(self, parent: Any) -> None:
|
|
"""Update __annotations__ to support type_comment and so on."""
|
|
try:
|
|
annotations = inspect.getannotations(parent)
|
|
|
|
for cls in inspect.getmro(parent):
|
|
try:
|
|
module = safe_getattr(cls, '__module__')
|
|
qualname = safe_getattr(cls, '__qualname__')
|
|
|
|
analyzer = ModuleAnalyzer.for_module(module)
|
|
analyzer.analyze()
|
|
for (classname, attrname), annotation in analyzer.annotations.items():
|
|
if classname == qualname and attrname not in annotations:
|
|
annotations[attrname] = annotation # type: ignore
|
|
except (AttributeError, PycodeError):
|
|
pass
|
|
except AttributeError:
|
|
pass
|
|
|
|
def import_object(self, raiseerror: bool = False) -> bool:
|
|
try:
|
|
ret = super().import_object(raiseerror=True)
|
|
if inspect.isenumattribute(self.object):
|
|
self.object = self.object.value
|
|
except ImportError as exc:
|
|
if self.isinstanceattribute():
|
|
self.object = INSTANCEATTR
|
|
ret = True
|
|
elif raiseerror:
|
|
raise
|
|
else:
|
|
logger.warning(exc.args[0], type='autodoc', subtype='import_object')
|
|
self.env.note_reread()
|
|
ret = False
|
|
|
|
if self.parent:
|
|
self.update_annotations(self.parent)
|
|
|
|
return ret
|
|
|
|
def get_real_modname(self) -> str:
|
|
return self.get_attr(self.parent or self.object, '__module__', None) \
|
|
or self.modname
|
|
|
|
def add_directive_header(self, sig: str) -> None:
|
|
super().add_directive_header(sig)
|
|
sourcename = self.get_sourcename()
|
|
if self.options.annotation is SUPPRESS or self.should_suppress_directive_header():
|
|
pass
|
|
elif self.options.annotation:
|
|
self.add_line(' :annotation: %s' % self.options.annotation, sourcename)
|
|
else:
|
|
# obtain type annotation for this attribute
|
|
annotations = get_type_hints(self.parent, None, self.config.autodoc_type_aliases)
|
|
if self.objpath[-1] in annotations:
|
|
objrepr = stringify_typehint(annotations.get(self.objpath[-1]))
|
|
self.add_line(' :type: ' + objrepr, sourcename)
|
|
|
|
try:
|
|
if (self.object is INSTANCEATTR or self.options.no_value or
|
|
self.should_suppress_value_header()):
|
|
pass
|
|
else:
|
|
objrepr = object_description(self.object)
|
|
self.add_line(' :value: ' + objrepr, sourcename)
|
|
except ValueError:
|
|
pass
|
|
|
|
def get_doc(self, encoding: str = None, ignore: int = None) -> List[List[str]]:
|
|
if self.object is INSTANCEATTR:
|
|
return []
|
|
|
|
try:
|
|
# Disable `autodoc_inherit_docstring` temporarily to avoid to obtain
|
|
# a docstring from the value which descriptor returns unexpectedly.
|
|
# ref: https://github.com/sphinx-doc/sphinx/issues/7805
|
|
orig = self.config.autodoc_inherit_docstrings
|
|
self.config.autodoc_inherit_docstrings = False # type: ignore
|
|
return super().get_doc(encoding, ignore)
|
|
finally:
|
|
self.config.autodoc_inherit_docstrings = orig # type: ignore
|
|
|
|
def add_content(self, more_content: Optional[StringList], no_docstring: bool = False
|
|
) -> None:
|
|
if more_content is None:
|
|
more_content = StringList()
|
|
self.update_content(more_content)
|
|
super().add_content(more_content, no_docstring)
|
|
|
|
|
|
class PropertyDocumenter(DocstringStripSignatureMixin, ClassLevelDocumenter): # type: ignore
|
|
"""
|
|
Specialized Documenter subclass for properties.
|
|
"""
|
|
objtype = 'property'
|
|
directivetype = 'method'
|
|
member_order = 60
|
|
|
|
# before AttributeDocumenter
|
|
priority = AttributeDocumenter.priority + 1
|
|
|
|
@classmethod
|
|
def can_document_member(cls, member: Any, membername: str, isattr: bool, parent: Any
|
|
) -> bool:
|
|
return inspect.isproperty(member) and isinstance(parent, ClassDocumenter)
|
|
|
|
def document_members(self, all_members: bool = False) -> None:
|
|
pass
|
|
|
|
def get_real_modname(self) -> str:
|
|
return self.get_attr(self.parent or self.object, '__module__', None) \
|
|
or self.modname
|
|
|
|
def add_directive_header(self, sig: str) -> None:
|
|
super().add_directive_header(sig)
|
|
sourcename = self.get_sourcename()
|
|
if inspect.isabstractmethod(self.object):
|
|
self.add_line(' :abstractmethod:', sourcename)
|
|
self.add_line(' :property:', sourcename)
|
|
|
|
|
|
class NewTypeAttributeDocumenter(AttributeDocumenter):
|
|
"""
|
|
Specialized Documenter subclass for NewTypes.
|
|
|
|
Note: This must be invoked before MethodDocumenter because NewType is a kind of
|
|
function object.
|
|
"""
|
|
|
|
objtype = 'newvarattribute'
|
|
directivetype = 'attribute'
|
|
priority = MethodDocumenter.priority + 1
|
|
|
|
@classmethod
|
|
def can_document_member(cls, member: Any, membername: str, isattr: bool, parent: Any
|
|
) -> bool:
|
|
return not isinstance(parent, ModuleDocumenter) and inspect.isNewType(member)
|
|
|
|
|
|
def get_documenters(app: Sphinx) -> Dict[str, "Type[Documenter]"]:
|
|
"""Returns registered Documenter classes"""
|
|
warnings.warn("get_documenters() is deprecated.", RemovedInSphinx50Warning, stacklevel=2)
|
|
return app.registry.documenters
|
|
|
|
|
|
def autodoc_attrgetter(app: Sphinx, obj: Any, name: str, *defargs: Any) -> Any:
|
|
"""Alternative getattr() for types"""
|
|
for typ, func in app.registry.autodoc_attrgettrs.items():
|
|
if isinstance(obj, typ):
|
|
return func(obj, name, *defargs)
|
|
|
|
return safe_getattr(obj, name, *defargs)
|
|
|
|
|
|
def migrate_autodoc_member_order(app: Sphinx, config: Config) -> None:
|
|
if config.autodoc_member_order == 'alphabetic':
|
|
# RemovedInSphinx50Warning
|
|
logger.warning(__('autodoc_member_order now accepts "alphabetical" '
|
|
'instead of "alphabetic". Please update your setting.'))
|
|
config.autodoc_member_order = 'alphabetical' # type: ignore
|
|
|
|
|
|
# for compatibility
|
|
from sphinx.ext.autodoc.deprecated import DataDeclarationDocumenter # NOQA
|
|
from sphinx.ext.autodoc.deprecated import GenericAliasDocumenter # NOQA
|
|
from sphinx.ext.autodoc.deprecated import InstanceAttributeDocumenter # NOQA
|
|
from sphinx.ext.autodoc.deprecated import SingledispatchFunctionDocumenter # NOQA
|
|
from sphinx.ext.autodoc.deprecated import SingledispatchMethodDocumenter # NOQA
|
|
from sphinx.ext.autodoc.deprecated import SlotsAttributeDocumenter # NOQA
|
|
from sphinx.ext.autodoc.deprecated import TypeVarDocumenter # NOQA
|
|
|
|
|
|
def setup(app: Sphinx) -> Dict[str, Any]:
|
|
app.add_autodocumenter(ModuleDocumenter)
|
|
app.add_autodocumenter(ClassDocumenter)
|
|
app.add_autodocumenter(ExceptionDocumenter)
|
|
app.add_autodocumenter(DataDocumenter)
|
|
app.add_autodocumenter(NewTypeDataDocumenter)
|
|
app.add_autodocumenter(FunctionDocumenter)
|
|
app.add_autodocumenter(DecoratorDocumenter)
|
|
app.add_autodocumenter(MethodDocumenter)
|
|
app.add_autodocumenter(AttributeDocumenter)
|
|
app.add_autodocumenter(PropertyDocumenter)
|
|
app.add_autodocumenter(NewTypeAttributeDocumenter)
|
|
|
|
app.add_config_value('autoclass_content', 'class', True, ENUM('both', 'class', 'init'))
|
|
app.add_config_value('autodoc_member_order', 'alphabetical', True,
|
|
ENUM('alphabetic', 'alphabetical', 'bysource', 'groupwise'))
|
|
app.add_config_value('autodoc_default_options', {}, True)
|
|
app.add_config_value('autodoc_docstring_signature', True, True)
|
|
app.add_config_value('autodoc_mock_imports', [], True)
|
|
app.add_config_value('autodoc_typehints', "signature", True,
|
|
ENUM("signature", "description", "none"))
|
|
app.add_config_value('autodoc_type_aliases', {}, True)
|
|
app.add_config_value('autodoc_warningiserror', True, True)
|
|
app.add_config_value('autodoc_inherit_docstrings', True, True)
|
|
app.add_event('autodoc-before-process-signature')
|
|
app.add_event('autodoc-process-docstring')
|
|
app.add_event('autodoc-process-signature')
|
|
app.add_event('autodoc-skip-member')
|
|
|
|
app.connect('config-inited', migrate_autodoc_member_order, priority=800)
|
|
|
|
app.setup_extension('sphinx.ext.autodoc.type_comment')
|
|
app.setup_extension('sphinx.ext.autodoc.typehints')
|
|
|
|
return {'version': sphinx.__display_version__, 'parallel_read_safe': True}
|