From: Vratko Polak Date: Fri, 12 Apr 2019 11:22:00 +0000 (+0200) Subject: Fix pylint error in PapiExecutor X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=commitdiff_plain;h=5899ac744eb5f722f53151c98e5acfdbdf678d0c Fix pylint error in PapiExecutor + Remove ret_val as it cannot be nonzero outside _execute_papi. + Change indentation to save vertical space. + Return computed values without storing them to variable. + Add TODO to remove duplicated method. + Add missing fields to docstring. + Minor formatting changes. Change-Id: I8e8f41d139de8aff3b76a7fe27ee450e89e8d1de Signed-off-by: Vratko Polak --- diff --git a/resources/libraries/python/PapiExecutor.py b/resources/libraries/python/PapiExecutor.py index a0261992e9..09cbf9ac73 100644 --- a/resources/libraries/python/PapiExecutor.py +++ b/resources/libraries/python/PapiExecutor.py @@ -32,8 +32,7 @@ class PapiResponse(object): code. """ - def __init__(self, papi_reply=None, stdout="", stderr="", ret_code=None, - requests=None): + def __init__(self, papi_reply=None, stdout="", stderr="", requests=None): """Construct the Papi response by setting the values needed. TODO: @@ -43,14 +42,12 @@ class PapiResponse(object): :param papi_reply: API reply from last executed PAPI command(s). :param stdout: stdout from last executed PAPI command(s). :param stderr: stderr from last executed PAPI command(s). - :param ret_code: ret_code from last executed PAPI command(s). :param requests: List of used PAPI requests. It is used while verifying replies. If None, expected replies must be provided for verify_reply and verify_replies methods. :type papi_reply: list or None :type stdout: str :type stderr: str - :type ret_code: int :type requests: list """ @@ -63,9 +60,6 @@ class PapiResponse(object): # stderr from last executed PAPI command(s). self.stderr = stderr - # return code from last executed PAPI command(s). - self.ret_code = ret_code - # List of used PAPI requests. self.requests = requests @@ -80,16 +74,11 @@ class PapiResponse(object): :returns: Readable description. :rtype: str """ - return ("papi_reply={papi_reply}," - "stdout={stdout}," - "stderr={stderr}," - "ret_code={ret_code}," - "requests={requests}". - format(papi_reply=self.reply, - stdout=self.stdout, - stderr=self.stderr, - ret_code=self.ret_code, - requests=self.requests)) + return ( + "papi_reply={papi_reply},stdout={stdout},stderr={stderr}," + "requests={requests}").format( + papi_reply=self.reply, stdout=self.stdout, stderr=self.stderr, + requests=self.requests) def __repr__(self): """Return string executable as Python constructor call. @@ -331,10 +320,8 @@ class PapiExecutor(object): paths = [cmd['api_args']['path'] for cmd in self._api_command_list] self._api_command_list = list() - ret_code, stdout, _ = self._execute_papi(paths, - method='stats', - err_msg=err_msg, - timeout=timeout) + stdout, _ = self._execute_papi( + paths, method='stats', err_msg=err_msg, timeout=timeout) return json.loads(stdout) @@ -354,12 +341,9 @@ class PapiExecutor(object): return code. :rtype: PapiResponse """ - response = self._execute(method='request', - process_reply=process_reply, - ignore_errors=ignore_errors, - err_msg=err_msg, - timeout=timeout) - return response + return self._execute( + method='request', process_reply=process_reply, + ignore_errors=ignore_errors, err_msg=err_msg, timeout=timeout) def get_dump(self, err_msg="Failed to get dump.", process_reply=True, ignore_errors=False, timeout=120): @@ -377,13 +361,9 @@ class PapiExecutor(object): return code. :rtype: PapiResponse """ - - response = self._execute(method='dump', - process_reply=process_reply, - ignore_errors=ignore_errors, - err_msg=err_msg, - timeout=timeout) - return response + return self._execute( + method='dump', process_reply=process_reply, + ignore_errors=ignore_errors, err_msg=err_msg, timeout=timeout) def execute_should_pass(self, err_msg="Failed to execute PAPI command.", process_reply=True, ignore_errors=False, @@ -410,12 +390,10 @@ class PapiExecutor(object): :rtype: PapiResponse :raises AssertionError: If PAPI command(s) execution failed. """ - - response = self.get_replies(process_reply=process_reply, - ignore_errors=ignore_errors, - err_msg=err_msg, - timeout=timeout) - return response + # TODO: Migrate callers to get_replies and delete this method. + return self.get_replies( + process_reply=process_reply, ignore_errors=ignore_errors, + err_msg=err_msg, timeout=timeout) @staticmethod def _process_api_data(api_d): @@ -452,7 +430,6 @@ class PapiExecutor(object): :returns: Processed API reply / a part of API reply. :rtype: dict """ - reply_dict = dict() reply_value = dict() for reply_key, reply_v in api_r.iteritems(): @@ -470,7 +447,6 @@ class PapiExecutor(object): :returns: Processed API reply. :rtype: list or dict """ - if isinstance(api_reply, list): reverted_reply = [self._revert_api_reply(a_r) for a_r in api_reply] else: @@ -490,6 +466,8 @@ class PapiExecutor(object): :type method: str :type err_msg: str :type timeout: int + :returns: Stdout and stderr. + :rtype: 2-tuple of str :raises SSHTimeout: If PAPI command(s) execution has timed out. :raises RuntimeError: If PAPI executor failed due to another reason. :raises AssertionError: If PAPI command(s) execution has failed. @@ -521,7 +499,7 @@ class PapiExecutor(object): if ret_code != 0: raise AssertionError(err_msg) - return ret_code, stdout, stderr + return stdout, stderr def _execute(self, method='request', process_reply=True, ignore_errors=False, err_msg="", timeout=120): @@ -558,10 +536,8 @@ class PapiExecutor(object): # Clear first as execution may fail. self._api_command_list = list() - ret_code, stdout, stderr = self._execute_papi(local_list, - method=method, - err_msg=err_msg, - timeout=timeout) + stdout, stderr = self._execute_papi( + local_list, method=method, err_msg=err_msg, timeout=timeout) papi_reply = list() if process_reply: try: @@ -585,8 +561,6 @@ class PapiExecutor(object): # Log processed papi reply to be able to check API replies changes logger.debug("Processed PAPI reply: {reply}".format(reply=papi_reply)) - return PapiResponse(papi_reply=papi_reply, - stdout=stdout, - stderr=stderr, - ret_code=ret_code, - requests=[rqst["api_name"] for rqst in local_list]) + return PapiResponse( + papi_reply=papi_reply, stdout=stdout, stderr=stderr, + requests=[rqst["api_name"] for rqst in local_list])