text: # Copyright 2013-2020 Lawrence Livermore National Security, LLC and other
  # Spack Project Developers. See the top-level COPYRIGHT file for details.
  #
  # SPDX-License-Identifier: (Apache-2.0 OR MIT)
  
  from spack import *
  
  
  class PyBlack(PythonPackage):
      """Black is the uncompromising Python code formatter. By using it, you agree to
      cede control over minutiae of hand-formatting. In return, Black gives you
      speed, determinism, and freedom from pycodestyle nagging about formatting.
      """
  
      homepage = "https://github.com/psf/black"
      pypi = "black/black-20.8b1.tar.gz"
  
      version('20.8b1', sha256='1c02557aa099101b9d21496f8a914e9ed2222ef70336404eeeac8edba836fbea')
      version('19.3b0', sha256='68950ffd4d9169716bcb8719a56c07a2f4485354fec061cdd5910aa07369731c')
      version('18.9b0', sha256='e030a9a28f542debc08acceb273f228ac422798e5215ba2a791a6ddeaaca22a5')
  
      variant('d', default=False, description='enable blackd HTTP server')
  
      depends_on('python@3.6.0:')
      # Needs setuptools at runtime so that `import pkg_resources` succeeds
      # See #8843 and #8689 for examples of setuptools added as a runtime dep
      depends_on('py-setuptools', type=('build', 'run'))
      # Translated from black's setup.py:
      # https://github.com/ambv/black/blob/master/setup.py
      depends_on('py-click@6.5:', type=('build', 'run'))
      depends_on('py-click@7.1.2:', when='@20.8b1:', type=('build', 'run'))
      depends_on('py-attrs@18.1.0:', when='@:20.8b0', type=('build', 'run'))
      depends_on('py-appdirs', type=('build', 'run'))
      depends_on('py-toml@0.9.4:', type=('build', 'run'))
      depends_on('py-toml@0.10.1:', when='@20.8b1:', type=('build', 'run'))
      depends_on('py-typed-ast@1.4.0:', when='@19.10b0:', type=('build', 'run'))
      depends_on('py-regex@2020.1.8:', when='@20.8b0:', type=('build', 'run'))
      depends_on('py-pathspec@0.6:0.999', when='@19.10b0:', type=('build', 'run'))
      depends_on('py-dataclasses@0.6:', when='@20.8b0:^python@:3.6', type=('build', 'run'))
      depends_on('py-typing-extensions@3.7.4:', when='@20.8b0:', type=('build', 'run'))
      depends_on('py-mypy-extensions@0.4.3:', when='@20.8b0:', type=('build', 'run'))
      depends_on('py-aiohttp@3.3.2:', when='+d', type=('build', 'run'))
      depends_on('py-aiohttp-cors', when='+d', type=('build', 'run'))
  
      @property
      def import_modules(self):
          modules = ['blib2to3', 'blib2to3.pgen2', 'black']
  
          if '+d' in self.spec:
              modules.append('blackd')
  
          return modules
  