setup.py

"""
jupyterlite_xeus_python setup
"""
import json
import sys
from pathlib import Path

import setuptools

HERE = Path(__file__).parent.resolve()

# The name of the project
name = "jupyterlite-xeus-python"

lab_path = (HERE / "share" / "jupyter" / "labextensions" / "@jupyterlite" / "xeus-python-kernel")

# Representative files that should exist after a successful build
ensured_targets = [
    str(lab_path / "package.json"),
    str(lab_path / "static" / "python_data.js"),
    str(lab_path / "static" / "python_data.data"),
    str(lab_path / "static" / "xpython_wasm.js"),
    str(lab_path / "static" / "xpython_wasm.wasm"),
    str(lab_path / "static" / "style.js")
]

labext_name = "@jupyterlite/xeus-python-kernel"

data_files_spec = [
    ("share/jupyter/labextensions/%s" % labext_name, str(lab_path.relative_to(HERE)), "**"),
    ("share/jupyter/labextensions/%s" % labext_name, str("."), "install.json"),
]

long_description = (HERE / "README.md").read_text()

# Get the package info from package.json
pkg_json = json.loads((HERE / "package.json").read_bytes())
version = (
    pkg_json["version"]
    .replace("-alpha.", "a")
    .replace("-beta.", "b")
    .replace("-rc.", "rc")
)

setup_args = dict(
    name=name,
    version=version,
    url=pkg_json["homepage"],
    author=pkg_json["author"]["name"],
    author_email=pkg_json["author"]["email"],
    description=pkg_json["description"],
    license=pkg_json["license"],
    long_description=long_description,
    long_description_content_type="text/markdown",
    packages=setuptools.find_packages(exclude=["tests"]),
    install_requires=[
        "traitlets",
        "jupyterlite",
        "requests",
        "empack>=1.0.0,<2",
    ],
    zip_safe=False,
    include_package_data=True,
    python_requires=">=3.6",
    platforms="Linux, Mac OS X, Windows",
    keywords=["Jupyter", "JupyterLab", "JupyterLab3"],
    classifiers=[
        "License :: OSI Approved :: BSD License",
        "Programming Language :: Python",
        "Programming Language :: Python :: 3",
        "Programming Language :: Python :: 3.6",
        "Programming Language :: Python :: 3.7",
        "Programming Language :: Python :: 3.8",
        "Programming Language :: Python :: 3.9",
        "Programming Language :: Python :: 3.10",
        "Framework :: Jupyter",
        "Framework :: Jupyter :: JupyterLab",
        "Framework :: Jupyter :: JupyterLab :: 3",
        "Framework :: Jupyter :: JupyterLab :: Extensions",
        "Framework :: Jupyter :: JupyterLab :: Extensions :: Prebuilt",
    ],
    entry_points={
        "jupyterlite.addon.v0": [
            "jupyterlite-xeus-python=jupyterlite_xeus_python.env_build_addon:XeusPythonEnv"
        ]
    }
)

try:
    from jupyter_packaging import (
        wrap_installers,
        npm_builder,
        get_data_files
    )
    post_develop = npm_builder(
        build_cmd="build:prod", source_dir="src", build_dir=lab_path, npm=["jlpm"]
    )
    setup_args["cmdclass"] = wrap_installers(post_develop=post_develop, ensured_targets=ensured_targets)
    setup_args["data_files"] = get_data_files(data_files_spec)
except ImportError as e:
    import logging
    logging.basicConfig(format="%(levelname)s: %(message)s")
    logging.warning("Build tool `jupyter-packaging` is missing. Install it with pip or conda.")
    if not ("--name" in sys.argv or "--version" in sys.argv):
        raise e

if __name__ == "__main__":
    setuptools.setup(**setup_args)