Python setuptools 模块，Distribution() 实例源码

def ask_supports_thread():
    from distutils.core import Distribution
    from distutils.sysconfig import get_config_vars
    get_config_vars()      # workaround for a bug of distutils, e.g. on OS/X
    config = Distribution().get_command_obj('config')
    ok = config.try_compile('__thread int some_threadlocal_variable_42;')
    if ok:
        define_macros.append(('USE__THREAD', None))
    else:
        ok1 = config.try_compile('int some_regular_variable_42;')
        if not ok1:
            no_working_compiler_found()
        sys.stderr.write("Note: will not use '__thread' in the C code\n")
        sys.stderr.write("The above error message can be safely ignored\n")

def get_setuptools_script_dir():
    # Run the above class just to get paths
    dist = Distribution({'cmdclass': {'install': GetPaths}})
    dist.dry_run = True
    dist.parse_config_files()
    command = dist.get_command_obj('install')
    command.ensure_finalized()
    command.run()

    print(dist.install_libbase)
    src_dir = glob(os.path.join(dist.install_libbase, 'medaka-*', 'exes'))[0]
    for exe in (os.path.join(src_dir, x) for x in os.listdir(src_dir)):
        print("Copying", os.path.basename(exe), '->', dist.install_scripts)
        shutil.copy(exe, dist.install_scripts)
    return dist.install_libbase, dist.install_scripts

def get_setuptools_script_dir():
    # Run the above class just to get paths
    dist = Distribution({'cmdclass': {'install': GetPaths}})
    dist.dry_run = True
    dist.parse_config_files()
    command = dist.get_command_obj('install')
    command.ensure_finalized()
    command.run()

    src_dir = glob(os.path.join(dist.install_libbase, 'pomoxis-*', 'exes'))[0]
    for exe in (os.path.join(src_dir, x) for x in os.listdir(src_dir)):
        print("Copying", os.path.basename(exe), '->', dist.install_scripts)
        shutil.copy(exe, dist.install_scripts)
    return dist.install_libbase, dist.install_scripts

def new_distribution(self):
        return Distribution({})