def __init__()

in alibabacloud_credentials/provider/ram_role_arn.py [0:0]


    def __init__(self, *,
                 access_key_id: str = None,
                 access_key_secret: str = None,
                 security_token: str = None,
                 credentials_provider: ICredentialsProvider = None,
                 role_arn: str = None,
                 role_session_name: str = None,
                 duration_seconds: int = DEFAULT_DURATION_SECONDS,
                 policy: str = None,
                 external_id: str = None,
                 sts_region_id: str = None,
                 sts_endpoint: str = None,
                 enable_vpc: bool = None,
                 http_options: HttpOptions = None):

        if credentials_provider is not None:
            self._credentials_provider = credentials_provider
        elif security_token is not None and security_token != '':
            self._credentials_provider = StaticSTSCredentialsProvider(
                access_key_id=access_key_id,
                access_key_secret=access_key_secret,
                security_token=security_token
            )
        else:
            self._credentials_provider = StaticAKCredentialsProvider(
                access_key_id=access_key_id,
                access_key_secret=access_key_secret,
            )

        self._role_arn = role_arn or au.environment_role_arn
        self._role_session_name = role_session_name or au.environment_role_session_name
        self._duration_seconds = duration_seconds
        self._policy = policy
        self._external_id = external_id

        if self._role_session_name is None or self._role_session_name == '':
            self._role_session_name = f'credentials-python-{str(int(time.mktime(time.localtime())))}'
        if self._duration_seconds is None:
            self._duration_seconds = self.DEFAULT_DURATION_SECONDS
        if self._duration_seconds < 900:
            raise ValueError('session duration should be in the range of 900s - max session duration')
        if self._role_arn is None or self._role_arn == '':
            raise ValueError('role_arn or environment variable ALIBABA_CLOUD_ROLE_ARN cannot be empty')

        if sts_endpoint is not None and sts_endpoint != '':
            self._sts_endpoint = sts_endpoint
        else:
            if enable_vpc is not None:
                prefix = 'sts-vpc' if enable_vpc else 'sts'
            else:
                prefix = 'sts-vpc' if au.environment_enable_vpc.lower() == 'true' else 'sts'
            if sts_region_id is not None and sts_region_id != '':
                self._sts_endpoint = f'{prefix}.{sts_region_id}.aliyuncs.com'
            elif au.environment_sts_region is not None and au.environment_sts_region != '':
                self._sts_endpoint = f'{prefix}.{au.environment_sts_region}.aliyuncs.com'
            else:
                self._sts_endpoint = 'sts.aliyuncs.com'

        self._http_options = http_options if http_options is not None else HttpOptions()
        self._runtime_options = {
            'connectTimeout': self._http_options.connect_timeout if self._http_options.connect_timeout is not None else RamRoleArnCredentialsProvider.DEFAULT_CONNECT_TIMEOUT,
            'readTimeout': self._http_options.read_timeout if self._http_options.read_timeout is not None else RamRoleArnCredentialsProvider.DEFAULT_READ_TIMEOUT,
            'httpsProxy': self._http_options.proxy
        }
        self._credentials_cache = RefreshCachedSupplier(
            refresh_callable=self._refresh_credentials,
            refresh_callable_async=self._refresh_credentials_async,
        )