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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def base_paths(self):
 """ Returns the context appropriate paths for the environment. :return: A dictionary of environment specific paths to be used for installation operations :rtype: dict .. note:: The implementation of this is borrowed from a combination of pip and virtualenv and is likely to change at some point in the future. {'PATH': '/home/hawk/.virtualenvs/pipenv-MfOPs1lW/bin::/bin:/usr/bin', 'PYTHONPATH': '/home/hawk/.virtualenvs/pipenv-MfOPs1lW/lib/python3.7/site-packages', 'data': '/home/hawk/.virtualenvs/pipenv-MfOPs1lW', 'include': '/home/hawk/.pyenv/versions/3.7.1/include/python3.7m', 'libdir': '/home/hawk/.virtualenvs/pipenv-MfOPs1lW/lib/python3.7/site-packages', 'platinclude': '/home/hawk/.pyenv/versions/3.7.1/include/python3.7m', 'platlib': '/home/hawk/.virtualenvs/pipenv-MfOPs1lW/lib/python3.7/site-packages', 'platstdlib': '/home/hawk/.virtualenvs/pipenv-MfOPs1lW/lib/python3.7', 'prefix': '/home/hawk/.virtualenvs/pipenv-MfOPs1lW', 'purelib': '/home/hawk/.virtualenvs/pipenv-MfOPs1lW/lib/python3.7/site-packages', 'scripts': '/home/hawk/.virtualenvs/pipenv-MfOPs1lW/bin', 'stdlib': '/home/hawk/.pyenv/versions/3.7.1/lib/python3.7'} """


        prefix = make_posix(self.prefix.as_posix())
        install_scheme = 'nt' if (os.name == 'nt') else 'posix_prefix'
        paths = get_paths(install_scheme, vars={
            'base': prefix,
            'platbase': prefix,
        })
        paths["PATH"] = paths["scripts"] + os.pathsep + os.defpath
        if "prefix" not in paths:
            paths["prefix"] = prefix
        purelib = make_posix(get_python_lib(plat_specific=0, prefix=prefix))
        platlib = make_posix(get_python_lib(plat_specific=1, prefix=prefix))
        if purelib == platlib:
            lib_dirs = purelib
        else:
            lib_dirs = purelib + os.pathsep + platlib
        paths["libdir"] = purelib
        paths["purelib"] = purelib
        paths["platlib"] = platlib
        paths['PYTHONPATH'] = os.pathsep.join(["", ".", lib_dirs])
        paths["libdirs"] = lib_dirs
        return paths