text: # Copyright (C) 2020 Łukasz Langa
  from setuptools import setup, find_packages
  import sys
  import os
  
  assert sys.version_info >= (3, 6, 2), "black requires Python 3.6.2+"
  from pathlib import Path  # noqa E402
  from typing import List  # noqa: E402
  
  CURRENT_DIR = Path(__file__).parent
  sys.path.insert(0, str(CURRENT_DIR))  # for setuptools.build_meta
  
  
  def get_long_description() -> str:
      return (
          (CURRENT_DIR / "README.md").read_text(encoding="utf8")
          + "\n\n"
          + (CURRENT_DIR / "CHANGES.md").read_text(encoding="utf8")
      )
  
  
  def find_python_files(base: Path) -> List[Path]:
      files = []
      for entry in base.iterdir():
          if entry.is_file() and entry.suffix == ".py":
              files.append(entry)
          elif entry.is_dir():
              files.extend(find_python_files(entry))
  
      return files
  
  
  USE_MYPYC = False
  # To compile with mypyc, a mypyc checkout must be present on the PYTHONPATH
  if len(sys.argv) > 1 and sys.argv[1] == "--use-mypyc":
      sys.argv.pop(1)
      USE_MYPYC = True
  if os.getenv("BLACK_USE_MYPYC", None) == "1":
      USE_MYPYC = True
  
  if USE_MYPYC:
      from mypyc.build import mypycify
  
      src = CURRENT_DIR / "src"
      # TIP: filepaths are normalized to use forward slashes and are relative to ./src/
      # before being checked against.
      blocklist = [
          # Not performance sensitive, so save bytes + compilation time:
          "blib2to3/__init__.py",
          "blib2to3/pgen2/__init__.py",
          "black/output.py",
          "black/concurrency.py",
          "black/files.py",
          "black/report.py",
          # Breaks the test suite when compiled (and is also useless):
          "black/debug.py",
          # Compiled modules can't be run directly and that's a problem here:
          "black/__main__.py",
      ]
      discovered = []
      # black-primer and blackd have no good reason to be compiled.
      discovered.extend(find_python_files(src / "black"))
      discovered.extend(find_python_files(src / "blib2to3"))
      mypyc_targets = [
          str(p) for p in discovered if p.relative_to(src).as_posix() not in blocklist
      ]
  
      opt_level = os.getenv("MYPYC_OPT_LEVEL", "3")
      ext_modules = mypycify(mypyc_targets, opt_level=opt_level, verbose=True)
  else:
      ext_modules = []
  
  setup(
      name="black",
      use_scm_version={
          "write_to": "src/_black_version.py",
          "write_to_template": 'version = "{version}"\n',
      },
      description="The uncompromising code formatter.",
      long_description=get_long_description(),
      long_description_content_type="text/markdown",
      keywords="automation formatter yapf autopep8 pyfmt gofmt rustfmt",
      author="Łukasz Langa",
      author_email="lukasz@langa.pl",
      url="https://github.com/psf/black",
      project_urls={"Changelog": "https://github.com/psf/black/blob/main/CHANGES.md"},
      license="MIT",
      py_modules=["_black_version"],
      ext_modules=ext_modules,
      packages=find_packages(where="src"),
      package_dir={"": "src"},
      package_data={
          "blib2to3": ["*.txt"],
          "black": ["py.typed"],
          "black_primer": ["primer.json"],
      },
      python_requires=">=3.6.2",
      zip_safe=False,
      install_requires=[
          "click>=7.1.2",
          "platformdirs>=2",
          "tomli>=1.1.0",
          "typed-ast>=1.4.2; python_version < '3.8' and implementation_name == 'cpython'",
          "pathspec>=0.9.0",
          "dataclasses>=0.6; python_version < '3.7'",
          "typing_extensions>=3.10.0.0",
          # 3.10.0.1 is broken on at least Python 3.10,
          # https://github.com/python/typing/issues/865
          "typing_extensions!=3.10.0.1; python_version >= '3.10'",
          "mypy_extensions>=0.4.3",
      ],
      extras_require={
          "d": ["aiohttp>=3.7.4"],
          "colorama": ["colorama>=0.4.3"],
          "uvloop": ["uvloop>=0.15.2"],
          "jupyter": ["ipython>=7.8.0", "tokenize-rt>=3.2.0"],
      },
      test_suite="tests.test_black",
      classifiers=[
          "Development Status :: 4 - Beta",
          "Environment :: Console",
          "Intended Audience :: Developers",
          "License :: OSI Approved :: MIT License",
          "Operating System :: OS Independent",
          "Programming Language :: Python",
          "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",
          "Programming Language :: Python :: 3 :: Only",
          "Topic :: Software Development :: Libraries :: Python Modules",
          "Topic :: Software Development :: Quality Assurance",
      ],
      entry_points={
          "console_scripts": [
              "black=black:patched_main",
              "blackd=blackd:patched_main [d]",
              "black-primer=black_primer.cli:main",
          ]
      },
  )
  