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docstring-inheritance-1.1.1
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مشاهده بیشترتوضیحات
Avoid writing and maintaining duplicated docstrings.
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | docstring-inheritance-1.1.1 |
| نام | docstring-inheritance |
| نسخه کتابخانه | 1.1.1 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Antoine Dechaume |
| ایمیل نویسنده | - |
| آدرس صفحه اصلی | https://github.com/AntoineD/docstring-inheritance |
| آدرس اینترنتی | https://pypi.org/project/docstring-inheritance/ |
| مجوز | MIT |
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Copyright 2021 Antoine DECHAUME
This work is licensed under the Creative Commons Attribution 4.0
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Commons, PO Box 1866, Mountain View, CA 94042, USA.
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`docstring-inheritance` is a python package to avoid writing and maintaining duplicated python docstrings.
The typical usage is to enable the inheritance of the docstrings from a base class
such that its derived classes fully or partly inherit the docstrings.
# Features
- Handle numpy and google docstring formats (i.e. sections based docstrings):
- [NumPy docstring format specification](https://numpydoc.readthedocs.io/en/latest/format.html)
- [Google docstring format specification](https://google.github.io/styleguide/pyguide.html#38-comments-and-docstrings)
- Handle docstrings for functions, classes, methods, class methods, static methods, properties.
- Handle docstrings for classes with multiple or multi-level inheritance.
- Docstring sections are inherited individually,
like methods.
- For docstring sections documenting signatures,
the signature arguments are inherited individually.
- Minimum performance cost: the inheritance is performed at import time,
not for each call.
- Compatible with rendering the documentation with [Sphinx](http://www.sphinx-doc.org/).
# Licenses
The source code is distributed under the MIT license.
The documentation is distributed under the CC BY 4.0 license.
The dependencies, with their licenses, are given in the CREDITS.rst file.
# Installation
Install with pip:
```commandline
pip install docstring-inheritance
```
Or with conda:
```commandline
conda install -c conda-forge docstring-inheritance
```
# Basic Usage
## Inheriting docstrings for classes
`docstring-inheritance` provides
[metaclasses](https://docs.python.org/3/reference/datamodel.html#customizing-class-creation)
to enable the docstrings of a class to be inherited from its base classes.
This feature is automatically transmitted to its derived classes as well.
The docstring inheritance is performed for the docstrings of the:
- class
- methods
- classmethods
- staticmethods
- properties
Use the `NumpyDocstringInheritanceMeta` metaclass to inherit docstrings in numpy format
if `__init__` method is documented in its own docstring.
Otherwise, if `__init__` method is documented in the class docstring,
use the `NumpyDocstringInheritanceInitMeta` metaclass.
Use the `GoogleDocstringInheritanceMeta` metaclass to inherit docstrings in google format.
if `__init__` method is documented in its own docstring.
Otherwise, if `__init__` method is documented in the class docstring,
use the `GoogleDocstringInheritanceInitMeta` metaclass.
```python
from docstring_inheritance import NumpyDocstringInheritanceMeta
class Parent(metaclass=NumpyDocstringInheritanceMeta):
def method(self, x, y=None):
"""Parent summary.
Parameters
----------
x:
Description for x.
y:
Description for y.
Notes
-----
Parent notes.
"""
class Child(Parent):
def method(self, x, z):
"""
Parameters
----------
z:
Description for z.
Returns
-------
Something.
Notes
-----
Child notes.
"""
# The inherited docstring is
Child.method.__doc__ == """Parent summary.
Parameters
----------
x:
Description for x.
z:
Description for z.
Returns
-------
Something.
Notes
-----
Child notes.
"""
```
## Inheriting docstrings for functions
`docstring-inheritance` provides functions to inherit the docstring of a callable from a string.
This is typically used to inherit the docstring of a function from another function.
Use the `inherit_google_docstring` function to inherit docstrings in google format.
Use the `inherit_numpy_docstring` function to inherit docstrings in numpy format.
```python
from docstring_inheritance import inherit_google_docstring
def parent():
"""Parent summary.
Args:
x: Description for x.
y: Description for y.
Notes:
Parent notes.
"""
def child():
"""
Args:
z: Description for z.
Returns:
Something.
Notes:
Child notes.
"""
inherit_google_docstring(parent.__doc__, child)
# The inherited docstring is
child.__doc__ == """Parent summary.
Args:
x: Description for x.
z: Description for z.
Returns:
Something.
Notes:
Child notes.
"""
```
# Docstring inheritance specification
## Sections order
The sections of an inherited docstring are sorted according to order defined in the
[NumPy docstring format specification](https://numpydoc.readthedocs.io/en/latest/format.html):
- `Summary`
- `Extended summary`
- `Parameters` for the NumPy format or `Args` for the Google format
- `Returns`
- `Yields`
- `Receives`
- `Other Parameters`
- `Attributes`
- `Methods`
- `Raises`
- `Warns`
- `Warnings`
- `See Also`
- `Notes`
- `References`
- `Examples`
- sections with other names come next
This ordering is also used for the docstring written with the
[Google docstring format specification](https://google.github.io/styleguide/pyguide.html#38-comments-and-docstrings)
even though it does not define all of these sections.
## Sections with items
Those sections are:
- `Other Parameters`
- `Methods`
- `Attributes`
The inheritance is done at the key level,
i.e. a section of the inheritor will not fully override the parent one:
- the keys in the parent section and not in the child section are inherited,
- the keys in the child section and not in the parent section are kept,
- for keys that are both in the parent and child section,
the child ones are kept.
This allows to only document the new keys in such a section of an inheritor.
For instance:
```python
from docstring_inheritance import NumpyDocstringInheritanceMeta
class Parent(metaclass=NumpyDocstringInheritanceMeta):
"""
Attributes
----------
x:
Description for x
y:
Description for y
"""
class Child(Parent):
"""
Attributes
----------
y:
Overridden description for y
z:
Description for z
"""
# The inherited docstring is
Child.__doc__ == """
Attributes
----------
x:
Description for x
y:
Overridden description for y
z:
Description for z
"""
```
Here the keys are the attribute names.
The description for the attribute `y` has been overridden
and the description for the attribute `z` has been added.
The only remaining description from the parent is for the attribute `x`.
### Sections documenting signatures
Those sections are:
- `Parameters` (numpy format only)
- `Args` (google format only)
In addition to the inheritance behavior described [above](#sections-with-items):
- the arguments not existing in the inheritor signature are removed,
- the arguments are sorted according the inheritor signature,
- the arguments with no description are provided with a dummy description.
```python
from docstring_inheritance import GoogleDocstringInheritanceMeta
class Parent(metaclass=GoogleDocstringInheritanceMeta):
def method(self, w, x, y):
"""
Args:
w: Description for w
x: Description for x
y: Description for y
"""
class Child(Parent):
def method(self, w, y, z):
"""
Args:
z: Description for z
y: Overridden description for y
"""
# The inherited docstring is
Child.method.__doc__ == """
Args:
w: Description for w
y: Overridden description for y
z: Description for z
"""
```
Here the keys are the argument names.
The description for the argument `y` has been overridden
and the description for the argument `z` has been added.
The only remaining description from the parent is for the argument `w`.
# Advanced usage
## Abstract base class
To create a parent class that both is abstract and has docstring inheritance,
an additional metaclass is required:
```python
import abc
from docstring_inheritance import NumpyDocstringInheritanceMeta
class Meta(abc.ABCMeta, NumpyDocstringInheritanceMeta):
pass
class Parent(metaclass=Meta):
pass
```
# Similar projects
[custom_inherit](https://github.com/rsokl/custom_inherit):
`docstring-inherit` started as fork of this project before being re-written,
we thank its author.
نیازمندی
| مقدار | نام |
|---|---|
| - | covdefaults |
| - | pytest |
| - | pytest-cov |
زبان مورد نیاز
| مقدار | نام |
|---|---|
| <3.12,>=3.7 | Python |
نحوه نصب
نصب پکیج whl docstring-inheritance-1.1.1:
pip install docstring-inheritance-1.1.1.whl
نصب پکیج tar.gz docstring-inheritance-1.1.1:
pip install docstring-inheritance-1.1.1.tar.gz