'Initializes options.'

def initialize_options(self):

    self.prefix = None
    self.exec_prefix = None
    self.home = None
    self.user = 0
    self.install_base = None
    self.install_platbase = None
    self.root = None
    self.install_purelib = None
    self.install_platlib = None
    self.install_headers = None
    self.install_lib = None
    self.install_scripts = None
    self.install_data = None
    self.install_userbase = USER_BASE
    self.install_usersite = USER_SITE
    self.compile = None
    self.optimize = None
    self.extra_path = None
    self.install_path_file = 1
    self.force = 0
    self.skip_build = 0
    self.warn_dir = 1
    self.build_base = None
    self.build_lib = None
    self.record = None
