sccdaemon.py 文件源码

def init_drivers(self):
        """
        Searchs and initializes all controller drivers.
        See __init__.py in scc.drivers.
        """
        log.debug("Initializing drivers...")
        cfg = Config()
        self._to_start = set()  # del-eted later by start_drivers
        for importer, modname, ispkg in pkgutil.walk_packages(path=drivers.__path__, onerror=lambda x: None):
            if not ispkg and modname != "driver":
                if modname == "usb" or cfg["drivers"].get(modname):
                    # 'usb' driver has to be always active
                    mod = getattr(__import__('scc.drivers.%s' % (modname,)).drivers, modname)
                    if hasattr(mod, "init"):
                        if getattr(mod, "init")(self, cfg):
                            if hasattr(mod, "start"):
                                self._to_start.add(getattr(mod, "start"))
                else:
                    log.debug("Skipping disabled driver '%s'", modname)