text: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  import io
  import os
  import sys
  from shutil import rmtree
  
  from setuptools import find_packages, setup, Command
  
  # Package meta-data.
  NAME = "geometer"
  DESCRIPTION = "Python geometry package based on projective geometry and numpy."
  URL = "https://github.com/jan-mue/geometer"
  EMAIL = ""
  AUTHOR = "Jan Müller"
  REQUIRES_PYTHON = ">=3.5.0"
  VERSION = None
  
  # What packages are required for this module to be executed?
  REQUIRED = ["numpy>=1.15,<1.21"]
  
  # What packages are optional?
  EXTRAS = {
      # 'fancy feature': ['django'],
  }
  
  # The rest you shouldn't have to touch too much :)
  # ------------------------------------------------
  # Except, perhaps the License and Trove Classifiers!
  # If you do change the License, remember to change the Trove Classifier for that!
  
  here = os.path.abspath(os.path.dirname(__file__))
  
  # Import the README and use it as the long-description.
  # Note: this will only work if 'README.md' is present in your MANIFEST.in file!
  try:
      with io.open(os.path.join(here, "README.md"), encoding="utf-8") as f:
          long_description = "\n" + f.read()
  except FileNotFoundError:
      long_description = DESCRIPTION
  
  # Load the package's __version__.py module as a dictionary.
  about = {}
  if not VERSION:
      with open(os.path.join(here, NAME, "__version__.py")) as f:
          exec(f.read(), about)
  else:
      about["__version__"] = VERSION
  
  
  class UploadCommand(Command):
      """Support setup.py upload."""
  
      description = "Build and publish the package."
      user_options = []
  
      @staticmethod
      def status(s):
          """Prints things in bold."""
          print("\033[1m{0}\033[0m".format(s))
  
      def initialize_options(self):
          pass
  
      def finalize_options(self):
          pass
  
      def run(self):
          try:
              self.status("Removing previous builds…")
              rmtree(os.path.join(here, "dist"))
          except OSError:
              pass
  
          self.status("Building Source and Wheel (universal) distribution…")
          os.system("{0} setup.py sdist bdist_wheel".format(sys.executable))
  
          self.status("Uploading the package to PyPI via Twine…")
          os.system("twine upload dist/*")
  
          self.status("Pushing git tags…")
          os.system("git tag v{0}".format(about["__version__"]))
          os.system("git push --tags")
  
          sys.exit()
  
  
  # Where the magic happens:
  setup(
      name=NAME,
      version=about["__version__"],
      description=DESCRIPTION,
      long_description=long_description,
      long_description_content_type="text/markdown",
      author=AUTHOR,
      author_email=EMAIL,
      python_requires=REQUIRES_PYTHON,
      url=URL,
      packages=find_packages(exclude=("tests",)),
      # If your package is a single module, use this instead of 'packages':
      # py_modules=['mypackage'],
      # entry_points={
      #     'console_scripts': ['mycli=mymodule:cli'],
      # },
      install_requires=REQUIRED,
      extras_require=EXTRAS,
      include_package_data=True,
      license="MIT",
      classifiers=[
          # Trove classifiers
          # Full list: https://pypi.python.org/pypi?%3Aaction=list_classifiers
          "License :: OSI Approved :: MIT License",
          "Programming Language :: Python",
          "Programming Language :: Python :: 3",
          "Programming Language :: Python :: Implementation :: CPython",
          "Programming Language :: Python :: Implementation :: PyPy",
      ],
      # $ setup.py publish support.
      cmdclass={
          "upload": UploadCommand,
      },
  )
  