pybind11-stubgen 0.16.0

PEP 561 type stubs generator for pybind11 modules

About

Generates stubs for python modules

There are several tweaks to target specifically modules compiled using pybind11

Package targets python3 only. (In fact, it’s compatible with python2 but it’s not officially supported)

Issues/PR are welcome

Install

From PYPI:

python -m pip install pybind11-stubgen

From github:

python -m pip install git+https://github.com/sizmailov/pybind11-stubgen.git

Usage

pybind11-stubgen [-h] [-o OUTPUT_DIR] \
                 [--root-module-suffix ROOT_MODULE_SUFFIX] \
                 [--no-setup-py] \
                 [--ignore-invalid {signature,defaultarg,all} [{signature,defaultarg,all} ...]] \
                 [--skip-signature-downgrade] \
                 [--bare-numpy-ndarray] \
                 [--log-level LOG_LEVEL] \
                 MODULE_NAME [MODULE_NAME ...]

Customization

If you need some docstring pre-processing, or you find the hard-coded pybind11-stubgen defaults to be off, you can make the adjustments using a tiny wrapper, see examples below.

Customization examples

Strip a license from docstring

import pybind11_stubgen
import re

license_pattern = re.compile(r"EXAMPLE CORP LICENCE")

def strip_license(docstring: str):
    return license_pattern.sub("", docstring)


if __name__ == '__main__':

    pybind11_stubgen.function_docstring_preprocessing_hooks.append(
        strip_license
    )

    pybind11_stubgen.main()

Replace List[int[3]] with Annotated[List[int], FixedSize(3)]

import pybind11_stubgen
import re

std_array_pattern = re.compile(r"List\[(int|complex|float)[(\d+)]]")

def std_array_fix(match: re.Match):
    return f"Annotated[List[{match.group(0)}], FixedSize({match.group(1)})]"


def strip_dimension_from_std_array(docstring: str):
    return std_array_pattern.sub(std_array_fix, docstring)


if __name__ == '__main__':

    pybind11_stubgen.function_docstring_preprocessing_hooks.append(
        strip_dimension_from_std_array
    )

    pybind11_stubgen.main()

Replace one type with another

import pybind11_stubgen
import re


def library_b_replacement(match: re.Match):
    type_name = match.group(0)
    return f"library_b.types.{type_name}"


if __name__ == '__main__':
    pybind11_stubgen.StubsGenerator.GLOBAL_CLASSNAME_REPLACEMENTS[
        re.compile(r"library_a\.types\.(\w+)")
    ] = library_b_replacement

    pybind11_stubgen.main()