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import glob
import os
from importlib.util import module_from_spec, spec_from_file_location
from pathlib import Path
from types import ModuleType
from typing import Any
from pkg_resources import parse_requirements
from setuptools import find_packages
_PROJECT_ROOT = "."
_SOURCE_ROOT = os.path.join(_PROJECT_ROOT, "src")
_PACKAGE_ROOT = os.path.join(_SOURCE_ROOT, "lightning_fabric")
_PATH_REQUIREMENTS = os.path.join("requirements", "fabric")
_FREEZE_REQUIREMENTS = os.environ.get("FREEZE_REQUIREMENTS", "0").lower() in ("1", "true")
def _load_py_module(name: str, location: str) -> ModuleType:
spec = spec_from_file_location(name, location)
assert spec, f"Failed to load module {name} from {location}"
py = module_from_spec(spec)
assert spec.loader, f"ModuleSpec.loader is None for {name} from {location}"
spec.loader.exec_module(py)
return py
def _load_assistant() -> ModuleType:
location = os.path.join(_PROJECT_ROOT, ".actions", "assistant.py")
return _load_py_module("assistant", location)
def _prepare_extras() -> dict[str, Any]:
assistant = _load_assistant()
# https://setuptools.readthedocs.io/en/latest/setuptools.html#declaring-extras
# Define package extras. These are only installed if you specify them.
# From remote, use like `pip install "lightning-fabric[dev, docs]"`
# From local copy of repo, use like `PACKAGE_NAME=fabric pip install ".[dev, docs]"`
common_args = {"path_dir": _PATH_REQUIREMENTS, "unfreeze": "none" if _FREEZE_REQUIREMENTS else "all"}
req_files = [Path(p) for p in glob.glob(os.path.join(_PATH_REQUIREMENTS, "*.txt"))]
extras = {
p.stem: assistant.load_requirements(file_name=p.name, **common_args)
for p in req_files
if p.name not in ("docs.txt", "base.txt")
}
for req in parse_requirements(extras["strategies"]):
extras[req.key] = [str(req)]
extras["all"] = extras["strategies"] + extras["examples"]
extras["dev"] = extras["all"] + extras["test"]
return extras
def _setup_args() -> dict[str, Any]:
assistant = _load_assistant()
about = _load_py_module("about", os.path.join(_PACKAGE_ROOT, "__about__.py"))
version = _load_py_module("version", os.path.join(_PACKAGE_ROOT, "__version__.py"))
long_description = assistant.load_readme_description(
_PACKAGE_ROOT, homepage=about.__homepage__, version=version.version
)
return {
"name": "lightning-fabric",
"version": version.version,
"description": about.__docs__,
"author": about.__author__,
"author_email": about.__author_email__,
"url": about.__homepage__,
"download_url": "https://github.com/Lightning-AI/lightning",
"license": about.__license__,
"packages": find_packages(where="src", include=["lightning_fabric", "lightning_fabric.*"]),
"package_dir": {"": "src"},
"long_description": long_description,
"long_description_content_type": "text/markdown",
"include_package_data": True,
"zip_safe": False,
"keywords": ["deep learning", "pytorch", "AI"],
"python_requires": ">=3.9",
"setup_requires": ["wheel"],
"install_requires": assistant.load_requirements(
_PATH_REQUIREMENTS, unfreeze="none" if _FREEZE_REQUIREMENTS else "all"
),
"entry_points": {
"console_scripts": [
"fabric = lightning_fabric.cli:_main",
],
},
"extras_require": _prepare_extras(),
"project_urls": {
"Bug Tracker": "https://github.com/Lightning-AI/pytorch-lightning/issues",
"Documentation": "https://pytorch-lightning.rtfd.io/en/latest/",
"Source Code": "https://github.com/Lightning-AI/lightning",
},
"classifiers": [
"Environment :: Console",
"Natural Language :: English",
# How mature is this project? Common values are
# 3 - Alpha, 4 - Beta, 5 - Production/Stable
"Development Status :: 4 - Beta",
# Indicate who your project is intended for
"Intended Audience :: Developers",
"Topic :: Scientific/Engineering :: Artificial Intelligence",
"Topic :: Scientific/Engineering :: Information Analysis",
# Pick your license as you wish
# 'License :: OSI Approved :: BSD License',
"Operating System :: OS Independent",
# Specify the Python versions you support here. In particular, ensure
# that you indicate whether you support Python 2, Python 3 or both.
"Programming Language :: Python :: 3",
"Programming Language :: Python :: 3.9",
"Programming Language :: Python :: 3.10",
"Programming Language :: Python :: 3.11",
"Programming Language :: Python :: 3.12",
],
}
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