BaseProvider.py 文件源码

def __init__(self, *args, **kwargs):
        if type(self) is BaseProvider:
            return
        if self.debug:
            print(f'{self._typ.upper()} Provider .ctor')

        if not self._base_instance:
            self._base_instance = self.__class__.__bases__[0]()
        base_attributes = inspect.getmembers(self._base_instance, lambda a:not(inspect.isroutine(a)))
        base_keys = [a[0] for a in base_attributes if not(a[0].startswith('_'))]
        # base_keys = ['debug', 'default_mc_version']

        for attribute_key in base_keys:
            if attribute_key in kwargs:
                value = kwargs.get(attribute_key)
                setattr(self, attribute_key, kwargs[attribute_key])

        provider_settings = kwargs.get('provider_settings', {})
        provider_settings = provider_settings.get(self._typ, {})

        if self.debug:
            print(f'{self._typ} settings: {provider_settings}')

        attributes = inspect.getmembers(self, lambda a:not(inspect.isroutine(a)))

        attribute_keys = [a[0] for a in attributes if not(a[0].startswith('_'))]
        attribute_keys = list(set(attribute_keys) - set(base_keys))

        path = Path(kwargs['data_path'], 'defaults.yaml')
        if path.is_dir():
            path.rmdir()
        global_defaults = {}
        if path.exists():
            with open(path, 'r') as stream:
                try:
                    global_defaults = yaml.safe_load(stream)
                except yaml.YAMLError as exc:
                    print(exc)
                    global_defaults = {}
        # get all default values
        global_defaults[self._typ] = {k: getattr(self, k) for k in attribute_keys}
        with open(path, 'w') as outfile:
            yaml.dump(global_defaults, outfile, default_flow_style=False)

        # write provider settings overrides to self
        for attribute_key in attribute_keys:
            if attribute_key in provider_settings:
                value = provider_settings.get(attribute_key)
                if self.debug:
                    print(f'setting {attribute_key}, value={value}')
                setattr(self, attribute_key, provider_settings[attribute_key])