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Showing content from https://github.com/stefmolin/docstringify below:

stefmolin/docstringify: Flag missing docstrings and, optionally, generate them from signatures and type annotations.

Flag missing docstrings and, optionally, generate them from signatures and type annotations.

Given a file, test.py, with the following contents:

def say_hello(name: str = 'World') -> None:
    print(f'Hello, {name}!')

You can use Docstringify in three modes:

1. Flag missing docstrings:

   test is missing a docstring
   test.say_hello is missing a docstring
   

2. Suggest docstring templates based on type annotations:

   test is missing a docstring
   Hint:
   """__description__"""
   
   test.say_hello is missing a docstring
   Hint:
   """
   __description__
   
   Parameters
   ----------
   name : str, default="World"
       __description__
   """
   

3. Add docstring templates to source code files:

   """__description__"""
   
   def say_hello(name: str = 'World') -> None:
       """
       __description__
   
       Parameters
       ----------
       name : str, default="World"
           __description__
       """
       print(f'Hello, {name}!')

Add the following to your .pre-commit-config.yaml file to block commits with missing docstrings before any formatters like ruff:

- repo: https://github.com/stefmolin/docstringify
  rev: 1.0.0
  hooks:
    - id: docstringify

By default, all docstrings are required. If you want to be more lenient, you can set the threshold, which is the percentage of docstrings that must be present:

- repo: https://github.com/stefmolin/docstringify
  rev: 1.0.0
  hooks:
    - id: docstringify
      args: [--threshold=0.75]

If you would like to see suggested docstring templates (inferred from type annotations for functions and methods), provide the --suggest-changes argument, along with the docstring style you want to use (options are google, numpydoc, and stub). Here, we ask for stub suggestions (just single lines of """__description__"""):

- repo: https://github.com/stefmolin/docstringify
  rev: 1.0.0
  hooks:
    - id: docstringify
      args: [--suggest-changes=numpydoc]

Use --make-changes to create a copy of each file with docstring templates. Here, we ask for changes using the Google docstring style:

- repo: https://github.com/stefmolin/docstringify
  rev: 1.0.0
  hooks:
    - id: docstringify
      args: [--make-changes=google]

If you want the changes to be made in place, change --make-changes to --make-changes-inplace – make sure you only operate on files that are in version control with this setting. Here, we ask for numpydoc-style docstring suggestions:

- repo: https://github.com/stefmolin/docstringify
  rev: 1.0.0
  hooks:
    - id: docstringify
      args: [--make-changes-inplace=numpydoc]

Be sure to check out the pre-commit documentation for additional configuration options.

First, install the docstringify package from PyPI:

$ python -m pip install docstringify

Then, use the docstringify entry point on the file(s) of your choice:

$ docstringify /path/to/file [/path/to/another/file]

Run docstringify --help for more information.

First, install the docstringify package from PyPI:

$ python -m pip install docstringify

Then, use the DocstringVisitor() class on individual files to see spots where docstrings are missing:

>>> from docstringify.traversal import DocstringVisitor
>>> visitor = DocstringVisitor('test.py')
>>> visitor.process_file()
test is missing a docstring
test.say_hello is missing a docstring

If you would like to see suggested docstring templates (inferred from type annotations for functions and methods), provide a converter:

>>> from docstringify.converters import NumpydocDocstringConverter
>>> from docstringify.traversal import DocstringVisitor
>>> visitor = DocstringVisitor('test.py', converter=NumpydocDocstringConverter)
>>> visitor.process_file()
test is missing a docstring
Hint:
"""__description__"""

test.say_hello is missing a docstring
Hint:
"""
__description__

Parameters
----------
name : str, default="World"
    __description__
"""

To make changes to your files, you will need to use the DocstringTransformer instead. With the DocstringTransformer, the converter is required:

>>> from docstringify.converters import GoogleDocstringConverter
>>> from docstringify.traversal import DocstringTransformer
>>> transformer = DocstringTransformer('test.py', converter=GoogleDocstringConverter)
>>> transformer.process_file()
test is missing a docstring
test.say_hello is missing a docstring
Docstring templates written to /.../test_docstringify.py

If you want to overwrite the file with the edits, pass overwrite=True to DocstringTransformer():

>>> from docstringify.converters import GoogleDocstringConverter
>>> from docstringify.traversal import DocstringTransformer
>>> transformer = DocstringTransformer(
...     'test.py', converter=GoogleDocstringConverter, overwrite=True
... )
>>> transformer.process_file()
test is missing a docstring
test.say_hello is missing a docstring
Docstring templates written to /.../test.py

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