/usr/lib/python2.7/dist-packages/sphinx/ext/napoleon/__init__.py is in python-sphinx 1.3.6-2ubuntu1.
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"""
sphinx.ext.napoleon
~~~~~~~~~~~~~~~~~~~
Support for NumPy and Google style docstrings.
:copyright: Copyright 2007-2016 by the Sphinx team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import sys
from six import PY2, iteritems
import sphinx
from sphinx.ext.napoleon.docstring import GoogleDocstring, NumpyDocstring
class Config(object):
"""Sphinx napoleon extension settings in `conf.py`.
Listed below are all the settings used by napoleon and their default
values. These settings can be changed in the Sphinx `conf.py` file. Make
sure that both "sphinx.ext.autodoc" and "sphinx.ext.napoleon" are
enabled in `conf.py`::
# conf.py
# Add any Sphinx extension module names here, as strings
extensions = ['sphinx.ext.autodoc', 'sphinx.ext.napoleon']
# Napoleon settings
napoleon_google_docstring = True
napoleon_numpy_docstring = True
napoleon_include_private_with_doc = False
napoleon_include_special_with_doc = True
napoleon_use_admonition_for_examples = False
napoleon_use_admonition_for_notes = False
napoleon_use_admonition_for_references = False
napoleon_use_ivar = False
napoleon_use_param = True
napoleon_use_rtype = True
.. _Google style:
http://google-styleguide.googlecode.com/svn/trunk/pyguide.html
.. _NumPy style:
https://github.com/numpy/numpy/blob/master/doc/HOWTO_DOCUMENT.rst.txt
Attributes
----------
napoleon_google_docstring : bool, defaults to True
True to parse `Google style`_ docstrings. False to disable support
for Google style docstrings.
napoleon_numpy_docstring : bool, defaults to True
True to parse `NumPy style`_ docstrings. False to disable support
for NumPy style docstrings.
napoleon_include_private_with_doc : bool, defaults to False
True to include private members (like ``_membername``) with docstrings
in the documentation. False to fall back to Sphinx's default behavior.
**If True**::
def _included(self):
\"\"\"
This will be included in the docs because it has a docstring
\"\"\"
pass
def _skipped(self):
# This will NOT be included in the docs
pass
napoleon_include_special_with_doc : bool, defaults to True
True to include special members (like ``__membername__``) with
docstrings in the documentation. False to fall back to Sphinx's
default behavior.
**If True**::
def __str__(self):
\"\"\"
This will be included in the docs because it has a docstring
\"\"\"
return unicode(self).encode('utf-8')
def __unicode__(self):
# This will NOT be included in the docs
return unicode(self.__class__.__name__)
napoleon_use_admonition_for_examples : bool, defaults to False
True to use the ``.. admonition::`` directive for the **Example** and
**Examples** sections. False to use the ``.. rubric::`` directive
instead. One may look better than the other depending on what HTML
theme is used.
This `NumPy style`_ snippet will be converted as follows::
Example
-------
This is just a quick example
**If True**::
.. admonition:: Example
This is just a quick example
**If False**::
.. rubric:: Example
This is just a quick example
napoleon_use_admonition_for_notes : bool, defaults to False
True to use the ``.. admonition::`` directive for **Notes** sections.
False to use the ``.. rubric::`` directive instead.
Note
----
The singular **Note** section will always be converted to a
``.. note::`` directive.
See Also
--------
:attr:`napoleon_use_admonition_for_examples`
napoleon_use_admonition_for_references : bool, defaults to False
True to use the ``.. admonition::`` directive for **References**
sections. False to use the ``.. rubric::`` directive instead.
See Also
--------
:attr:`napoleon_use_admonition_for_examples`
napoleon_use_ivar : bool, defaults to False
True to use the ``:ivar:`` role for instance variables. False to use
the ``.. attribute::`` directive instead.
This `NumPy style`_ snippet will be converted as follows::
Attributes
----------
attr1 : int
Description of `attr1`
**If True**::
:ivar attr1: Description of `attr1`
:vartype attr1: int
**If False**::
.. attribute:: attr1
*int*
Description of `attr1`
napoleon_use_param : bool, defaults to True
True to use a ``:param:`` role for each function parameter. False to
use a single ``:parameters:`` role for all the parameters.
This `NumPy style`_ snippet will be converted as follows::
Parameters
----------
arg1 : str
Description of `arg1`
arg2 : int, optional
Description of `arg2`, defaults to 0
**If True**::
:param arg1: Description of `arg1`
:type arg1: str
:param arg2: Description of `arg2`, defaults to 0
:type arg2: int, optional
**If False**::
:parameters: * **arg1** (*str*) --
Description of `arg1`
* **arg2** (*int, optional*) --
Description of `arg2`, defaults to 0
napoleon_use_rtype : bool, defaults to True
True to use the ``:rtype:`` role for the return type. False to output
the return type inline with the description.
This `NumPy style`_ snippet will be converted as follows::
Returns
-------
bool
True if successful, False otherwise
**If True**::
:returns: True if successful, False otherwise
:rtype: bool
**If False**::
:returns: *bool* -- True if successful, False otherwise
"""
_config_values = {
'napoleon_google_docstring': (True, 'env'),
'napoleon_numpy_docstring': (True, 'env'),
'napoleon_include_private_with_doc': (False, 'env'),
'napoleon_include_special_with_doc': (True, 'env'),
'napoleon_use_admonition_for_examples': (False, 'env'),
'napoleon_use_admonition_for_notes': (False, 'env'),
'napoleon_use_admonition_for_references': (False, 'env'),
'napoleon_use_ivar': (False, 'env'),
'napoleon_use_param': (True, 'env'),
'napoleon_use_rtype': (True, 'env'),
}
def __init__(self, **settings):
for name, (default, rebuild) in iteritems(self._config_values):
setattr(self, name, default)
for name, value in iteritems(settings):
setattr(self, name, value)
def setup(app):
"""Sphinx extension setup function.
When the extension is loaded, Sphinx imports this module and executes
the ``setup()`` function, which in turn notifies Sphinx of everything
the extension offers.
Parameters
----------
app : sphinx.application.Sphinx
Application object representing the Sphinx process
See Also
--------
The Sphinx documentation on `Extensions`_, the `Extension Tutorial`_, and
the `Extension API`_.
.. _Extensions: http://sphinx-doc.org/extensions.html
.. _Extension Tutorial: http://sphinx-doc.org/ext/tutorial.html
.. _Extension API: http://sphinx-doc.org/ext/appapi.html
"""
from sphinx.application import Sphinx
if not isinstance(app, Sphinx):
return # probably called by tests
app.connect('autodoc-process-docstring', _process_docstring)
app.connect('autodoc-skip-member', _skip_member)
for name, (default, rebuild) in iteritems(Config._config_values):
app.add_config_value(name, default, rebuild)
return {'version': sphinx.__display_version__, 'parallel_read_safe': True}
def _process_docstring(app, what, name, obj, options, lines):
"""Process the docstring for a given python object.
Called when autodoc has read and processed a docstring. `lines` is a list
of docstring lines that `_process_docstring` modifies in place to change
what Sphinx outputs.
The following settings in conf.py control what styles of docstrings will
be parsed:
* ``napoleon_google_docstring`` -- parse Google style docstrings
* ``napoleon_numpy_docstring`` -- parse NumPy style docstrings
Parameters
----------
app : sphinx.application.Sphinx
Application object representing the Sphinx process.
what : str
A string specifying the type of the object to which the docstring
belongs. Valid values: "module", "class", "exception", "function",
"method", "attribute".
name : str
The fully qualified name of the object.
obj : module, class, exception, function, method, or attribute
The object to which the docstring belongs.
options : sphinx.ext.autodoc.Options
The options given to the directive: an object with attributes
inherited_members, undoc_members, show_inheritance and noindex that
are True if the flag option of same name was given to the auto
directive.
lines : list of str
The lines of the docstring, see above.
.. note:: `lines` is modified *in place*
"""
result_lines = lines
if app.config.napoleon_numpy_docstring:
docstring = NumpyDocstring(result_lines, app.config, app, what, name,
obj, options)
result_lines = docstring.lines()
if app.config.napoleon_google_docstring:
docstring = GoogleDocstring(result_lines, app.config, app, what, name,
obj, options)
result_lines = docstring.lines()
lines[:] = result_lines[:]
def _skip_member(app, what, name, obj, skip, options):
"""Determine if private and special class members are included in docs.
The following settings in conf.py determine if private and special class
members are included in the generated documentation:
* ``napoleon_include_private_with_doc`` --
include private members if they have docstrings
* ``napoleon_include_special_with_doc`` --
include special members if they have docstrings
Parameters
----------
app : sphinx.application.Sphinx
Application object representing the Sphinx process
what : str
A string specifying the type of the object to which the member
belongs. Valid values: "module", "class", "exception", "function",
"method", "attribute".
name : str
The name of the member.
obj : module, class, exception, function, method, or attribute.
For example, if the member is the __init__ method of class A, then
`obj` will be `A.__init__`.
skip : bool
A boolean indicating if autodoc will skip this member if `_skip_member`
does not override the decision
options : sphinx.ext.autodoc.Options
The options given to the directive: an object with attributes
inherited_members, undoc_members, show_inheritance and noindex that
are True if the flag option of same name was given to the auto
directive.
Returns
-------
bool
True if the member should be skipped during creation of the docs,
False if it should be included in the docs.
"""
has_doc = getattr(obj, '__doc__', False)
is_member = (what == 'class' or what == 'exception' or what == 'module')
if name != '__weakref__' and name != '__init__' and has_doc and is_member:
cls_is_owner = False
if what == 'class' or what == 'exception':
if PY2:
cls = getattr(obj, 'im_class', getattr(obj, '__objclass__',
None))
cls_is_owner = (cls and hasattr(cls, name) and
name in cls.__dict__)
elif sys.version_info >= (3, 3):
qualname = getattr(obj, '__qualname__', '')
cls_path, _, _ = qualname.rpartition('.')
if cls_path:
try:
if '.' in cls_path:
import importlib
import functools
mod = importlib.import_module(obj.__module__)
mod_path = cls_path.split('.')
cls = functools.reduce(getattr, mod_path, mod)
else:
cls = obj.__globals__[cls_path]
except:
cls_is_owner = False
else:
cls_is_owner = (cls and hasattr(cls, name) and
name in cls.__dict__)
else:
cls_is_owner = False
else:
cls_is_owner = True
if what == 'module' or cls_is_owner:
is_special = name.startswith('__') and name.endswith('__')
is_private = not is_special and name.startswith('_')
inc_special = app.config.napoleon_include_special_with_doc
inc_private = app.config.napoleon_include_private_with_doc
if (is_special and inc_special) or (is_private and inc_private):
return False
return skip
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